PTO Manual of Classification for US patents

PTO Manual of Classification for US patents

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Class Number: 549
 Class Title: ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES

Subclass  Subclass
Number    Title

  *       ORGANIC COMPOUNDS (Class 532, Subclass 1)
         .HETEROCYCLIC CARBON COMPOUNDS CONTAINING A HETERO RING HAVING
            CHALCOGEN (i.e., O, S, Se, or Te) OR NITROGEN AS THE ONLY RING
            HETERO ATOMS (Class 260, Subclass 239R)
  1       ..Sulfur containing hetero ring (e.g., thiiranes, etc.)
  2       ...With preservative or stabilizer
  3       ...Heavy metal or aluminum containing
  4       ...Boron or silicon containing
  5       ...Phosphorus attached directly or indirectly to the hetero ring
              by nonionic bonding
  6       ....The hetero ring is five-membered
  7       .....Plural ring hetero atoms in the hetero ring
  8       .....Four chalcogens bonded directly to the same phosphorus
  9       ...The hetero ring has at least seven members
  10      ....Plural ring hetero atoms in the hetero ring
  11      .....Plural ring sulfurs in the hetero ring
  12      ....Polycyclo ring system having at least three cyclos and
               having the hetero ring as one of the cyclos
  13      ...The hetero ring is six-membered
  14      ....Plural ring hetero atoms in the hetero ring
  15      .....Polycyclo ring system having the hetero ring as one of the
                cyclos
  16      ......Tricyclo ring system having the hetero ring as one of the
                 cyclos
  17      .......Plural ring sulfurs in the hetero ring
  18      .....Three or more ring hetero atoms in the hetero ring
  19      ......Plural ring sulfurs in the hetero ring
  20      .....Two ring sulfurs in the hetero ring
  21      ......Chalcogen or nitrogen attached directly to the hetero ring
                 by nonionic bonding
  22      ......Chalcogen or nitrogen attached indirectly to the hetero
                 ring by nonionic bonding
  23      ....Polycyclo ring system having the hetero ring as one of the
               cyclos
  24      .....The polycyclo ring system has at least four cyclos
  25      ......Chalcogen attached directly to the hetero ring by nonionic
                 bonding
  26      .....Tricyclo ring system having the hetero ring as one of the
                cyclos
  27      ......Chalcogen attached directly to the hetero ring by nonionic
                 bonding
  28      ....Chalcogen or nitrogen attached directly to the hetero ring
               by nonionic bonding
  29      ...The hetero ring is five-membered
  30      ....Plural ring hetero atoms in the hetero ring
  31      .....Polycyclo ring system having the hetero ring as one of the
                cyclos
  32      ......Bicyclo ring system having the hetero ring as one of the
                 cyclos
  33      .......Chalcogen attached directly to the hetero ring by
                  nonionic bonding
  34      .....Three or more ring hetero atoms in the hetero ringg
  35      .....Two ring sulfurs in the hetero ring
  36      ......Chalcogen bonded directly to ring carbon of the hetero
                 ring
  37      .......Nitrogen or chalcogen attached indirectly to the hetero
                  ring by nonionic bonding
  38      ......Nitrogen attached directly to the hetero ring by nonionic
                 bonding
  39      ......Chalcogen attached indirectly to the hetero ring by
                 nonionic bonding
  40      .....Chalcogen attached directly to ring sulfur of the hetero
                ring by nonionic bonding
  41      ....Polycyclo ring system having the hetero ring as one of the
               cyclos
  42      .....Tetracyclo ring system having the hetero ring as one of the
                cyclos
  43      .....Tricyclo ring system having the hetero ring as one of the
                cyclos
  44      ......Chalcogen attached directly to the tricyclo ring system by
                 nonionic bonding
  45      .......Chalcogen attached directly to the hetero ring by
                  nonionic bonding
  46      ........Chalcogen attached directly to ring sulfur of the hetero
                   ring by nonionic bonding
  47      ........Halogen attached directly to the tricyclo ring system by
                   nonionic bonding
  48      .......Nitrogen attached directly or indirectly to the tricyclo
                  ring system by nonionic bonding
  49      .....Bicyclo ring system having the hetero ring as one of the
                cyclos
  50      ......Plural ring hetero atoms in the bicyclo ring system
  51      ......Chalcogen attached directly to the bicyclo ring system by
                 nonionic bonding
  52      .......Chalcogen attached directly to the hetero ring by
                  nonionic bonding
  53      ........Chalcogen attached directly to ring sulfur of the hetero
                   ring by nonionic bonding
  54      ........Plural chalcogens bonded directly to the bicyclo ring
                   system
  55      ........Nitrogen attached directly or indirectly to the bicyclo
                   ring system by nonionic bonding
  56      ........Halogen attached directly or indirectly to the bicyclo
                   ring system by nonionic bonding
  57      ......Nitrogen or a -C(=X)- group, wherein X is chalcogen,
                 attached directly to the bicyclo ring system by nonionic
                 bonding
  58      ......Chalcogen attached indirectly to the bicyclo ring system
                 by nonionic bonding
  59      ....Additional hetero ring containing
  60      .....Ring oxygen in the additional hetero ring
  61      ....Cyano bonded directly to the hetero ring
  62      ....Chalcogen bonded directly to ring carbon of the hetero ring
  63      .....Nitrogen attached directly to the hetero ring by nonionic
                bonding
  64      .....Having -C(=X)-, wherein X is chalcogen, bonded directly to
                the hetero ring
  65      .....Nitrogen attached indirectly to the hetero ring by nonionic
                bonding
  66      .....Chalcogen attached indirectly to the hetero ring byy
                nonionic bonding
  67      .....Chalcogen attached directly to ring sulfur of the hetero
                ring by nonionic bonding
  68      ....Nitrogen attached directly to the hetero ring by nonionic
               bonding
  69      .....Having -C(=X)-, wherein X is chalcogen, bonded directly to
                the nitrogen
  70      ....Having -C(=X)-, wherein X is chalcogen, bonded directly to
               the hetero ring
  71      .....The -C(=X)- is part of a -C(=X)X- group, wherein the X's
                are the same or diverse chalcogens
  72      .....Nitrogen or chalcogen attached indirectly to the hetero
                ring by nonionic bonding
  73      .....Halogen attached directly or indirectly to the hetero ring
                by nonionic bonding
  74      ....Nitrogen attached indirectly to the hetero ring by nonionic
               bonding
  75      .....Chalcogen attached indirectly to the hetero ring by
                nonionic bonding
  76      ......The chalcogen, X, is in a -C(=X)- group
  77      .......Unsaturated carbocyclic ring or acyclic carbon to carbon
                  unsaturation containing
  78      ....Chalcogen attached indirectly to the hetero ring by nonionic
               bonding
  79      .....The chalcogen, X, is part of a -C(=X)X- group, wherein the
                X's are the same or diverse chalcogens
  80      ....Unsaturated carbocyclic ring or acyclic carbon to carbon
               unsaturation containing
  81      ....Halogen attached directly to the hetero ring by nonionic
               bonding
  82      .....Three or more halogens attached directly to the hetero ring
                by nonionic bonding
  83      ....The compound consists of the ring sulfur, carbon, and
               hydrogen
  84      .....Process of forming the hetero ring from acyclic reactants
                only
  85      ......Metal containing catalyst utilized
  86      .....Process of alkylating the hetero ring
  87      ....Plural chalcogens double bonded directly to ring sulfur of
               the hetero ring
  88      ...The hetero ring is four-membered
  89      ....Plural ring hetero atoms in the hetero ring
  90      ...The hetero ring is three-membered and has chalcogen or
              nitrogen attached directly or indirectly thereto by nonionic
              bonding
  200     ..Oxygen containing hetero ring (e.g., dioxirane, etc.)
  201     ...With preservative or stabilizer
  202     ....Oxirane containing compound with preservative or stabilizer
  203     ....Cyclic anhydride containing compound with preservative or
               stabilizer
  204     ....Lactone containing compound with preservative or stabilizer
  205     ....Compound in which the hetero ring is five-membered with
               preservative or stabilizer
  206     ...Heavy metal or aluminum containing
  207     ....Arsenic containing
  208     ....The hetero ring has three members or at least seven members
  209     ....The metal is bonded directly to carbon, which carbon is a
               ring carbon of the hetero ring or which carbon is attachedd
               directly or indirectly to the hetero ring by nonionic
               bonding
  210     ....The metal is bonded directly to chalcogen, which chalcogen
               is attached directly or indirectly to the hetero ring by
               nonionic bonding
  211     .....The chalcogen, X, is part of a -C(=X)X- group, wherein the
                X's are the same or diverse chalcogens
  212     ....Polycyclo ring system having the hetero ring as one of the
               cyclos
  213     ...Boron containing
  214     ...Silicon containing
  215     ....Oxirane ring containing
  216     ...Phosphorus bonded directly to the hetero ring
  217     ....Oxirane ring containing
  218     ...Phosphorus attached indirectly to the hetero ring by nonionic
              bonding
  219     ....Oxirane ring containing
  220     ....Polycyclo ring system having the hetero ring as one of the
               cyclos
  221     ....Plural ring oxygens in the hetero ring
  222     ....Chalcogen bonded directly to the hetero ring
  223     ...Xanthene ring system having a benzene ring bonded directly
              thereto para to the xanthene ring oxygen, wherein the carbon
              of a -COO- group is bonded directly to the benzene ring ortho
              to its position of attachment to the xanthene ring system,
              and spirolactone derivatives thereof (e.g., fluoresceins,
              chlorofluorans, etc.)
  224     ....The xanthene ring system is three cyclos of a polycyclo ring
               system having at least four rings (e.g., benz(c)fluorans,
               etc.)
  225     ....Nitrogen bonded directly to the xanthene ring system (e.g.,
               rhodols, aminofluorans, etc.)
  226     .....Plural nitrogens bonded directly to the xanthene ring
                system (e.g., 2,6 diaminofluorans, etc.)
  227     ......Rhodamines
  228     ...The hetero ring contains -O-C(=X)-O- as part of its
              structure, wherein X is chalcogen (e.g., cyclic carbonates,
              etc.)
  229     ....The hetero ring is five-membered
  230     .....The five-membered hetero ring, except for the =X to the
                ring, is unsubstituted or hydrocarbyl substituted only
  231     ...Cyclic anhydrides (i.e., -C(=X)OC(=X)-, wherein the X's are
              the same or diverse chalcogens, is part of the hetero ring)
  232     ....The cyclic anhydride has at least six members and is a cyclo
               in a polycyclo ring system
  233     ....The cyclic anhydride is five-membered (e.g., succinic
               anhydride, etc.)
  234     .....Polycyclo ring system having the cyclic anhydride as one of
                the cyclos
  235     ......Tetracyclo ring system having the cyclic anhydride as one
                 of the cyclos
  236     ......Tricyclo ring system having the cyclic anhydride as one of
                 the cyclos
  237     .......Two of the cyclos share at least three ring members
                  (i.e., bridged)
  238     ........Halogen bonded directly to the tricyclo ring system
  239     .......Plural ring oxygens in the tricyclo ring system
  240     ......Bicyclo ring system having the cyclic anhydride as one off
                 the cyclos
  241     .......Plural bicyclo ring systems each having the cyclic
                  anhydride as one of the cyclos
  242     ........Having -C(=X)-, wherein X is chalcogen, bonded directly
                   to at least one of the bicyclo ring systems
  243     .......Nitrogen or additional chalcogen bonded directly to the
                  bicyclo ring system
  244     .......Having -C(=X)-, wherein X is chalcogen, bonded directly
                  to the bicyclo ring system
  245     ........The -C(=X)- is part of a -C(=X)XH group, wherein the X's
                   are the same or diverse chalcogens, or salt thereof
                   (e.g., trimellitic anhydride, etc.)
  246     .......Halogen bonded directly to the bicyclo ring system
  247     .......Phthalic anhydride per se
  248     ........Preparing by oxidation
  249     .........Fluidized catalyst
  250     ........Purification or recovery
  251     .........By chemical reaction of impurity in presence of added
                    chemical substance
  252     .....Plural hetero rings
  253     .....Nitrogen or additional chalcogen attached directly or
                indirectly to the cyclic anhydride by nonionic bonding
  254     .....Halogen attached directly or indirectly to the cyclic
                anhydride by nonionic bonding
  255     .....Acyclic carbon chain containing carbon to carbon
                unsaturation bonded directly to the cyclic anhydride
  256     .....Preparing by oxidation
  257     ......Of benzene or hydrocarbyl substituted benzene
  258     ......Of acyclic or alicyclic hydrocarbon
  259     .......Vanadium and phosphorus, in compound or elemental form,
                  utilized
  260     ........Additional heavy metal, other than titanium, utilized
  261     .....Double bond between ring members of the cyclic anhydride
  262     ......Maleic anhydride per se
  263     ...Lactones (i.e., -C(=X)O-, wherein X is chalcogen, is part of
              the hetero ring)
  264     ....Spiro
  265     .....The spiro includes the lactone ring
  266     ....The lactone ring has at least seven members
  267     .....Plural ring oxygens in the lactone ring
  268     .....Polycyclo ring system having the lactone ring as one of the
                cyclos
  269     ......Bicyclo ring system having the lactone ring as one of the
                 cyclos
  270     .......Additional acyclic chalcogen bonded directly to the
                  lactone ring (e.g., zearalanone, etc.)
  271     .....Additional chalcogen attached directly or indirectly to the
                lactone ring by nonionic bonding
  272     .....Preparing from a cyclic ketone (i.e., a ketone where the
                carbonyl is part of a ring)
  273     ....The lactone ring is six-membered
  274     .....Plural ring oxygens in the lactone ring
  275     .....Polycyclo ring system having the lactone ring as one of the
                cyclos
  276     ......Tetracyclo ring system having the lactone ring as one of
                 the cyclos
  277     .......The tetracyclo ring system consists of four six-membered
                  cycloss
  278     ........At least two additional chalcogens bonded directly to
                   the tetracyclo ring system
  279     .......Ring oxygen bonded directly to ring carbon which is a
                  member of two cyclos in the tetracyclo ring system
  280     ......Tricyclo ring system having the lactone ring as one of the
                 cyclos
  281     .......Two of the cyclos share at least three ring members or
                  ring carbon is shared by the three cyclos (e.g., bridged
                  or peri compounds, etc.)
  282     .......Plural ring oxygens in the tricyclo ring system
  283     ......Bicyclo ring system having the lactone ring as one of the
                 cyclos
  284     .......Plural bicyclo ring systems each having the lactone ring
                  as one of the cyclos
  285     .......Additional acyclic chalcogen bonded directly to the
                  lactone ring
  286     ........Benzene ring and the lactone ring bonded directly to the
                   same acyclic carbon
  287     .......Acyclic -C(=X)-, wherein X is chalcogen, bonded directly
                  to the lactone ring
  288     .......Nitrogen bonded directly to the bicyclo ring system
  289     .......The other cyclo of the bicyclo ring system is a
                  six-membered carbocyclic ring to which chalcogen is
                  directly attached
  290     .......The bicyclo lactone consists of two six-membered rings
                  and is unsubstituted or hydrocarbyl substituted only
  291     .....Acyclic -C(=X)-, wherein X is chalcogen, bonded directly to
                the lactone ring
  292     .....Additional chalcogen bonded directly to the lactone ring
  293     .....Nitrogen attached directly or indirectly to the lactone
                ring by nonionic bonding
  294     .....Double bond between ring members of the lactone ring
  295     ....The lactone ring is five-membered
  296     .....Plural ring oxygens in the lactone ring
  297     .....Polycyclo ring system having the lactone ring as one of the
                cyclos
  298     ......Tetracyclo ring system having the lactone ring as one of
                 the cyclos
  299     ......Tricyclo ring system having the lactone ring as one of the
                 cyclos
  300     .......Two of the cyclos share at least three ring members or
                  ring carbon is shared by the three cyclos (e.g., bridged
                  or peri compounds, etc.)
  301     .......The tricyclo ring system consists of the lactone ring, a
                  five-membered carbocyclic ring, and a three-membered
                  carbocyclic ring
  302     ......Bicyclo ring system having the lactone ring as one of the
                 cyclos
  303     .......Nitrogen bonded directly to the lactone ring
  304     .......Nitrogen attached indirectly to the lactone ring by
                  acyclic nonionic bonding
  305     .......Chalcogen attached indirectly to the lactone ring by
                  acyclic nonionic bonding
  306     .......Plural ring oxygens in the bicyclo ring system
  307     .......The other cyclo of the bicyclo ring system is benzene
                  (e.g., phthalides, etc.)
  308     ........Two carbocyclic rings bonded directly to the same ring
                   atom of the lactone ringg
  309     .........Nitrogen bonded directly to each of the carbocyclic
                    rings
  310     ........Additional chalcogen bonded directly to the bicyclo ring
                   system
  311     .......The bicyclo ring system consists of two five-membered
                  rings
  312     ........Acyclic carbon chain containing carbon to carbon
                   unsaturation attached directly or indirectly to the
                   lactone ring by nonionic bonding
  313     .....Additional chalcogen bonded directly to the lactone ring
  314     ......At least two additional chalcogens bonded directly to the
                 lactone ring
  315     .......Double bond between ring members of the lactone ring or
                  chalcogen double bonded directly at the 3- or 4-position
                  of the lactone ring (e.g., ascorbic acid, etc.)
  316     ........Amine addition salts
  317     ........Sulfur or -C(=X)-, wherein X is chalcogen, bonded
                   directly to acyclic chalcogen
  318     ......Acyclic -C(=X)-, wherein X is chalcogen, attached directly
                 or indirectly to the lactone ring by nonionic bonding
  319     ......Plural alkyl groups bonded directly to the same ring
                 carbon of the lactone ring (e.g., pantolactone, etc.)
  320     .....Plural hetero rings
  321     .....Nitrogen attached directly or indirectly to the lactone
                ring by acyclic nonionic bonding
  322     .....Having -C(=X), wherein X is chalcogen, bonded directly to
                the lactone ring
  323     .....Chalcogen attached indirectly to the lactone ring by
                nonionic bonding
  324     .....Halogen attached directly or indirectly to the lactone ring
                by nonionic bonding
  325     .....Preparing by hydrogenation of cyclic anhydrides
  326     .....Preparing from compound containing -COO- group
  327     ....Acyclic carbon double bonded directly to a ring carbon of a
               four-membered lactone ring
  328     ....Four-membered lactone ring formed
  329     .....From a ketene (HCH=C=O, wherein H may be substituted)
  330     ...Spiro
  331     ....The spiro includes a hetero ring
  332     .....The spiro includes a three- or four-membered hetero ring
  333     .....Plural ring oxygens in a spiro hetero ring
  334     ......Both rings which form the spiro are hetero rings
  335     .......Two six-membered hetero rings, which each contain plural
                  ring oxygens, form the spiro (e.g.,
                  spirobi-(meta-dioxane), etc.)
  336     ......Polycyclo ring system having one of the two rings which
                 form the spiro as one of the cyclos
  337     .......Additional hetero ring containing
  338     ........Plural five-membered hetero rings
  339     .......Spiro ring is a cyclo in a tricyclo-carbocyclic ring
                  system
  340     ........Acyclic -C(=X)-, wherein X is chalcogen, containing
  341     ......The spiro hetero ring is five-membered
  342     .......Acyclic -C(=X)-, wherein X is chalcogen, containing
  343     .....Both rings which form the spiro are hetero rings
  344     ......Polycyclo ring system having one of the two hetero rings
                 which form the spiro as one of the cyclos
  345     .....Bicyclo ring system having the spiro hetero ring as one off
                the cyclos (e.g., griseofulvin, etc.)
  346     ...The hetero ring has at least seven members
  347     ....Plural ring oxygens in the hetero ring
  348     .....Polycyclo ring system having the hetero ring as one of the
                cyclos
  349     ......Tricyclo ring system having the hetero ring as one of the
                 cyclos
  350     ......Bicyclo ring system having the hetero ring as one of the
                 cyclos
  351     .......Three or more ring oxygens in the bicyclo ring system
  352     .....Three or more ring oxygens in the hetero ring
  353     ......Exactly four oxygens in the hetero ring
  354     ....Polycyclo ring system having the hetero ring as one of the
               cyclos
  355     .....Bicyclo ring system having the hetero ring as one of the
                cyclos
  356     ...The hetero ring is six-membered
  357     ....Plural ring oxygens in the hetero ring (e.g., 1,2-dioxin,
               etc.)
  358     .....Polycyclo ring system having the hetero ring as one of the
                cyclos
  359     ......Tricyclo ring system having the hetero ring as one of the
                 cyclos
  360     .......Two of the cyclos share at least three ring members
                  (i.e., bridged)
  361     .......Three or more ring oxygens in the tricyclo ring system
                  (e.g., actinospectacin, etc.)
  362     ......Bicyclo ring system having the hetero ring as one of the
                 cyclos
  363     .......The two cyclos share at least three ring members (i.e.,
                  bridged)
  364     .......Three or more ring oxygens in the bicyclo ring system
  365     .......The ring oxygens are in the 1,2- or 1,3-positions of the
                  hetero ring
  366     .......Nitrogen attached indirectly to the hetero ring by
                  acyclic nonionic bonding
  367     .....Three or more ring oxygens in the hetero ring
  368     ......Trioxane per se
  369     .....The ring oxygens are in the 1,3-positions of the hetero
                ring (e.g., 1,3 dioxane, etc.)
  370     ......Plural hetero rings
  371     ......Nitrogen bonded directly to the hetero ring
  372     ......Chalcogen or -C(=X), wherein X is chalcogen, bonded
                 directly to the hetero ring
  373     ......Nitrogen attached indirectly to the hetero ring by
                 nonionic bonding
  374     ......Chalcogen attached indirectly to the hetero ring by
                 nonionic bonding
  375     .......The chalcogen, X, is in a -C(=X)- group
  376     ......Preparing by reacting an aldehyde with a compound
                 containing acyclic carbon to carbon unsaturation
  377     .....The ring oxygens are in the 1,4-positions of the hetero
                ring (e.g., 1,4 dioxane, etc.)
  378     ......Chalcogen attached directly or indirectly to the hetero
                 ring by nonionic bonding
  379     .......Plural chalcogens bonded directly to the hetero ring
  380     ......Halogen attached directly or indirectly to the hetero ring
                 by nonionic bondingg
  381     ....Polycyclo ring system having the hetero ring as one of the
               cyclos
  382     .....Pentacyclo ring system having the hetero ring as one of the
                cyclos
  383     .....Tetracyclo ring system having the hetero ring as one of the
                cyclos
  384     ......The tetracyclo ring system consists of four six-membered
                 cyclos
  385     .....Tricyclo ring system having the hetero ring as one of the
                cyclos
  386     ......Two of the cyclos share at least three ring members or
                 ring carbon is shared by the three cyclos (e.g., bridged
                 or peri compounds, etc.)
  387     ......Plural ring oxygens in the tricyclo ring system
  388     ......The tricyclo ring system consists of three six-membered
                 cyclos (e.g., xanthene, etc.)
  389     .......Naphtho-pyrans (including hydrogenated)
  390     .......Dibenzo(b,d)pyrans (including hydrogenated)
  391     ........Plural chalcogens bonded directly to the tricyclo ring
                   system
  392     .......Chalcogen bonded directly to the hetero ring
  393     ........Having -C(=X)-, wherein X is chalcogen, bonded directly
                   to the tricyclo ring system
  394     .......Nitrogen bonded directly to the tricyclo ring system
  395     ......Acyclic chalcogen bonded directly to the hetero ring
  396     .....Bicyclo ring system having the hetero ring as one of the
                cyclos
  397     ......The two cyclos share at least three ring members (i.e.,
                 bridged)
  398     ......The bicyclo ring system consists of the hetero ring and a
                 six-membered carbocyclic ring
  399     .......Chalcogen bonded directly to the hetero ring
  400     ........Plural chalcogens bonded directly to the hetero ring
  401     ........Chalcogen bonded directly to the ring carbon para to the
                   ring oxygen (e.g., chromones, etc.)
  402     .........Having -C(=X)-, wherein X is chalcogen, bonded directly
                    to the hetero ring
  403     .........Benzene ring bonded directly to the hetero ring (e.g.,
                    flavones, etc.)
  404     .......Nitrogen bonded directly to the bicyclo ring system
  405     .......Having -C(=X)-, wherein X is chalcogen, bonded directly
                  to the bicyclo ring system
  406     .......Carbocyclic ring bonded directly to the hetero ring of
                  the bicyclo ring system (e.g., flavanes, etc.)
  407     .......Chalcogen or nitrogen attached indirectly to the hetero
                  ring by acyclic nonionic bonding
  408     .......Chalcogen bonded directly to the carbocyclic ring of the
                  bicyclo ring system (e.g., tocopherols, etc.)
  409     ........Chalcogen double bonded or plural chalcogens bonded
                   directly to the carbocyclic ring (e.g., coenzyme Q,
                   etc.)
  410     ........Chalcogen of a -C(=X)X- group, wherein the X's are the
                   same or diverse chalcogens, bonded directly to the
                   carbocyclic ring of the bicyclo ring system (e.g.,
                   tocopherol esters, etc.)
  411     ........Preparing from 1,4-di-oxygen substituted carbocyclic
                   ring (e.g., of p benzoquinones, p-hydroquinones, etc.)
  412     ........Processes for chemical modification of substituents onn
                   the carbocyclic ring of the bicyclo ring system (e.g.,
                   alkylation of tocopherols, etc.)
  413     ........Purification or recovery
  414     ....Plural hetero rings
  415     .....Plural six-membered hetero rings
  416     ....Chalcogen bonded directly to the hetero ring
  417     .....Plural chalcogens bonded directly to the hetero ring
  418     ......Hydroxy bonded directly at the 3-position and oxygen
                 double bonded directly at the 4-position of the hetero
                 ring (H of -OH may be replaced by a substituted or
                 unsubstituted ammonium ion or a Group IA or IIA light
                 metal)
  419     .....Nitrogen attached directly or indirectly to the hetero ring
                by acyclic nonionic bonding
  420     .....Having -C(=X)-, wherein X is chalcogen, attached directly
                or indirectly to the hetero ring by acyclic nonionic
                bonding
  421     .....Alicyclic ring bonded directly to the chalcogen
  422     .....Five-membered carbocyclic ring having the hetero ring as
                part of one substituent and -COO- as part of another
                substituent (e.g., prostaglandin intermediates, etc.)
  423     .....Hydroxy or halogen attached directly or indirectly to the
                hetero ring by acyclic nonionic bonding (H of -OH may be
                replaced by a substituted or unsubstituted ammonium ion or
                a Group IA or IIA light metal)
  424     ....Nitrogen bonded directly to the hetero ring
  425     ....Having -C(=X)-, wherein X is chalcogen, bonded directly to
               the hetero ring
  426     ....Nitrogen attached indirectly to the hetero ring by nonionic
               bonding
  427     ....Chalcogen attached indirectly to the hetero ring by nonionic
               bonding
  428     ....Halogen attached directly or indirectly to the hetero ring
               by nonionic bonding
  429     ...The hetero ring is five-membered
  430     ....Plural ring oxygens in the hetero ring
  431     .....Three or more ring oxygens in the hetero ring (e.g.,
                ozonides, etc.)
  432     .....Polycyclo ring system having the hetero ring as one of the
                cyclos
  433     ......Tricyclo ring system having the hetero ring as one of the
                 cyclos
  434     ......Bicyclo ring system having the hetero ring as one of the
                 cyclos
  435     .......Plural hetero rings
  436     .......Having -C(=X)-, wherein X is chalcogen, bonded directly
                  to the bicyclo ring system
  437     .......Acyclic chalcogen bonded directly to the bicyclo ring
                  system
  438     ........Having -C(=X)-, wherein X is chalcogen, attached
                   indirectly to the bicyclo ring system by nonionic
                   bonding
  439     .......Nitrogen bonded directly to the bicyclo ring system
  440     .......Nitrogen attached indirectly to the bicyclo ring system
                  by nonionic bonding
  441     ........The nitrogen is bonded directly to a -C(=X)- group,
                   wherein X is chalcogen
  442     ........The nitrogen is attached directly to carbon by a doublee
                   or triple bond
  443     ........Chalcogen attached indirectly to the bicyclo ring system
                   by nonionic bonding
  444     .........The chalcogen, X, is in a -C(=X)- group
  445     .......Chalcogen attached indirectly to the ring system by
                  nonionic bonding
  446     ........The chalcogen, X, is in a -C(=X)- group
  447     .........The -C(=X)- is part of a -C(=X)X- group, wherein the
                    X's are the same or diverse chalcogens
  448     .....Plural hetero rings
  449     .....Nitrogen or chalcogen bonded directly to the hetero ring
  450     .....Having -C(=X)-, wherein X is chalcogen, bonded directly to
                the hetero ring
  451     .....Nitrogen attached indirectly to the hetero ring by nonionic
                bonding
  452     ......The nitrogen is bonded directly to a -C(=X)- group,
                 wherein X is chalcogen
  453     .....Chalcogen attached indirectly to the hetero ring by
                nonionic bonding
  454     ......The chalcogen, X, is in a -C(=X)- group
  455     .....Halogen attached directly or indirectly to the hetero ring
                by nonionic bonding
  456     ....Polycyclo ring system having the hetero ring as one of the
               cyclos
  457     .....Tetracyclo ring system having the hetero ring as one of the
                cyclos
  458     .....Tricyclo ring system having the hetero ring as one of the
                cyclos
  459     ......Two of the cyclos share at least three ring members (i.e.,
                 bridged)
  460     ......Dibenzofurans (including hydrogenated)
  461     .......Having -C(=X)-, wherein X is chalcogen, attached directly
                  or indirectly to the tricyclo ring system by nonionic
                  bonding
  462     .....Bicyclo ring system having the hetero ring as one of the
                cyclos
  463     ......The two cyclos share at least three ring members (i.e.,
                 bridged)
  464     ......Plural ring oxygens in the bicyclo ring system
  465     ......The bicyclo ring system consists of two five-membered
                 cyclos
  466     ......Acyclic chalcogen bonded directly to the hetero ring
  467     ......Nitrogen attached directly or indirectly to the hetero
                 ring by acyclic nonionic bonding
  468     ......Having -C(=X)-, wherein X is chalcogen, bonded directly to
                 the hetero ring
  469     ......Benzene ring bonded directly to the hetero ring
  470     ......Chalcogen of -C(=X)X-, wherein the X's are the same or
                 diverse chalcogens, bonded directly to the carbocyclic
                 ring of the bicyclo ring system
  471     ......Plural double bonds between ring members of the hetero
                 ring
  472     ....Plural hetero rings
  473     .....Acyclic -C(=X)-, wherein X is chalcogen, attached directly
                or indirectly to the hetero ring by nonionic bonding
  474     ....Cyano bonded directly to the hetero ring
  475     ....Chalcogen bonded directly to the hetero ring
  476     .....Plural chalcogens bonded directly to the hetero ringg
  477     ......Chalcogen double bonded directly to the hetero ring
  478     ......Having -C(=X)-, wherein X is chalcogen, attached directly
                 or indirectly to the hetero ring by nonionic bonding
  479     .....Double bond between ring members of the hetero ring
  480     ....Nitrogen bonded directly to the hetero ring
  481     .....Nitro bonded directly to the hetero ring
  482     ......The hetero ring and an additional nitrogen are bonded
                 directly to the same carbon
  483     ....Having -C(=X)-, wherein X is chalcogen, bonded directly to
               the hetero ring
  484     .....The -C(=X)- is part of a -C(=X)X- group, wherein the X's
                are the same or diverse chalcogens
  485     ......Plural -C(=X)X- groups bonded directly to the hetero ring
  486     ......The carbon of the -C(=X)X- group is bonded directly at the
                 3-position of the hetero ring
  487     .....Nitrogen bonded directly to the -C(=X)- group
  488     .....Additional chalcogen attached indirectly to the hetero ring
                by nonionic bonding
  489     .....Preparation of furfural (i.e., furan-2-aldehyde)
  490     .....Purification or recovery of furfural
  491     ....Nitrogen attached indirectly to the hetero ring by nonionic
               bonding
  492     .....Nitrogen and the hetero ring are single bonded directly to
                the same acyclic saturated hydrocarbon group
  493     ......The nitrogen is bonded directly to a -C(=X)- group,
                 wherein X is chalcogen
  494     ......Having -C(=X)-, wherein X is chalcogen, attached
                 indirectly to the hetero ring by nonionic bonding
  495     ......Chalcogen attached indirectly to the hetero ring by
                 acyclic nonionic bonding
  496     .....Having -C(=X)-, wherein X is chalcogen, attached indirectly
                to the hetero ring by nonionic bonding
  497     ....Chalcogen attached indirectly to the hetero ring by nonionic
               bonding
  498     .....The chalcogen, X, is in a -C(=X)- group
  499     ......The -C(=X)- is part of a -C(=X)X- group, wherein the X's
                 are the same or diverse chalcogens
  500     .......Plural -C(=X)X- groups attached indirectly to the hetero
                  ring by nonionic bonding
  501     .......Additional chalcogen attached indirectly to the hetero
                  ring by nonionic bonding
  502     .....Plural chalcogens attached indirectly to the hetero ring by
                nonionic bonding
  503     .....Preparing by hydrogenation of furfural
  504     ....Halogen attached directly or indirectly to the hetero ring
               by nonionic bonding
  505     ....Plural double bonds between ring members of the hetero ring
  506     .....Hydrocarbyl substituted
  507     ....One double bond between ring members of the hetero ring
  508     ....Preparing from compound containing -COO- group
  509     ....Preparing from a hydroxy containing compound
  510     ...The hetero ring is four-membered
  511     ....Sulfur or halogen attached directly or indirectly to the
               hetero ring by nonionic bonding
  512     ...The hetero ring is three-membered consisting of one oxygen
              and two carbons
  513     ....Processes
  514     .....Epihalohydrin, glycerol monohalohydrin or glyceroll
                dihalohydrin reactant
  515     ......Glycidyl ester formed by bonding the oxy of a -COO- group
                 directly to an acyclic carbon which is bonded directly to
                 an oxirane ring
  516     ......Glycidyl ether formed by bonding oxygen directly to an
                 acyclic carbon which is bonded directly to an oxirane
                 ring
  517     .......Phenolic ether formed
  518     .....Oxirane ring formed
  519     ......Carbonyl of aldehyde or ketone reacted to form oxirane
                 ring
  520     ......By dehydrohalogenation of a halohydrin or by reacting a
                 hypohalite or hypohalous acid with an ethylenically
                 unsaturated compound at the site of unsaturation
  521     .......Oxirane ring and chalcogen, cyano, nitrogen, or halogen
                  are bonded directly to the same carbon (e.g., glycidyl
                  ester formed, etc.)
  522     .......Oxirane ring is unsubstituted or hydrocarbyl substituted
                  only
  523     ......Epoxidation at site of ethylenic unsaturation
  524     .......Liquid phase epoxidation
  525     ........Organic peracid utilized
  526     .........In situ formation of the organic peracid from
                    carboxylic acid and hydrogen peroxide
  527     ..........Epoxidizing unsaturated fat or fatty oil, or
                     unsaturated derivative thereof
  528     .........Epoxidizing unsaturated fat or fatty oil, or
                    unsaturated derivative thereof
  529     ........Organic hydroperoxide reactant
  530     .........Boron containing catalyst utilized
  531     ........Hydrogen peroxide utilized
  532     ........Air or molecular oxygen utilized
  533     .........Heavy metal containing catalyst utilized
  534     .......Silver containing catalyst utilized
  535     ........Fluidized catalyst
  536     ........Additional heavy metal containing material utilized
                   (e.g., promoter which contains heavy metal utilized,
                   etc.)
  537     ........Group IIA light metal containing material utilized
  538     ........Purification or recovery
  539     .....Ether or -COO- group formed
  540     .....Isomerization, halogenation, hydrogenation, or
                dehydrohalogenation to form compound
  541     .....Purification or recovery
  542     ......By adsorption or by chemical reaction with impurity
  543     ....Polycyclo ring system having the hetero ring as one of the
               cyclos
  544     .....Tetracyclo ring system having the hetero ring as one of the
                cyclos
  545     .....Tricyclo ring system having the hetero ring as one of the
                cyclos
  546     .....Bicyclo ring system having the hetero ring as one of the
                cyclos
  547     ......Plural bicyclo ring systems each having a hetero ring as
                 one of the cyclos
  548     ....Having -C(=X)-, wherein X is chalcogen, bonded directly to
               the hetero ring
  549     .....The -C(=X)- is part of a -C(=X)X- group, wherein the X'ss
                are the same or diverse chalcogens
  550     ....Cyano, nitrogen, or halogen bonded directly to the hetero
               ring
  551     ....Nitrogen attached indirectly to the hetero ring by nonionic
               bonding
  552     .....Cyano or nitrogen and the hetero ring bonded directly to
                the same carbon
  553     .....The nitrogen is bonded directly to a -C(=X)- group, wherein
                X is chalcogen
  554     ....Chalcogen attached indirectly to the hetero ring by nonionic
               bonding
  555     .....Chalcogen and the hetero ring bonded directly to the same
                carbon (e.g., glycidyl ethers, etc.)
  556     ......Sulfur or -C(=X)-, wherein X is chalcogen, attached
                 indirectly to the hetero ring by nonionic bonding
  557     .......The chalcogen, X, is part of a -C(=X)X- group or a -X-X-
                  group, wherein the X's are the same or diverse chalcogens
                  (e.g., -COO-HCH-oxirane, etc.)
  558     ......Halogen attached indirectly to the hetero ring by nonionic
                 bonding
  559     .......Carbocyclic ring containing
  560     ......Carbocyclic ring containing
  561     .....The chalcogen, X, is part of a -C(=X)X- group, wherein the
                X's are the same or diverse chalcogens
  562     ......Additional -C(=X)- or other sulfur attached indirectly to
                 the hetero ring
  563     ....Halogen attached indirectly to the hetero ring by nonionic
               bonding