PTO Manual of Classification for US patents

PTO Manual of Classification for US patents

What follows are the subclasses from one class of the Manual of Classification for US patents. As you scroll through the list and encounter a class/subclass of interest, you can jump back to the top and retrieve patent titles by entering the class/subclass in the box below.


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363-131 121-55A 14-.5
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Class Number: 556
 Class Title: ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES

Subclass  Subclass
Number    Title

  *       ORGANIC COMPOUNDS (Class 532, Subclass 1)
  1       .HEAVY METAL CONTAINING (e.g., Ga, In or T1, etc.)
  2       ..With preservative or stabilizer
  3       ...Compound preserved or stabilized contains lead bonded
              directly to carbon
  4       ....Halogen containing preservative or stabilizer
  5       ....Chalcogen containing preservative or stabilizer
  6       ...Nitrogen containing preservative or stabilizer
  7       ..Boron containing
  8       ...Hydrogen bonded directly to the boron
  9       ..Silicon containing
  10      ...Silicon and heavy metal bonded directly to the same
              chalcogen
  11      ...Heavy metal bonded directly to unsaturated five-membered
              carbocyclic ring
  12      ...At least three carbons bonded directly to silicon
  13      ..Phosphorus containing
  14      ...Additional diverse heavy metal or aluminum containing
  15      ...The heavy metal is bonded directly to the carbon of a -C(=X)-
              group, wherein X is chalcogen (e.g., cyclopentadienyl
              manganese dicarbonyl triphenyl phosphine, etc.)
  16      ....Iron, cobalt, nickel, ruthenium, rhodium, palladium, osmium,
               iridium, or platinum containing (Fe, Co, Ni, Ru, Rh, Pd, Os,
               Ir or Pt)
  17      ...Plural phosphori bonded directly to the same nitrogen or
              chalcogen (e.g., pyrophosphates, etc.)
  18      ...Plural phosphori bonded directly to the same carbon or
              attached to each other by an acyclic chain which chain
              consists of carbons or of carbons and chalcogens
  19      ...Carbon bonded directly to the phosphorus
  20      ....Plural carbons bonded directly to the phosphorus
  21      .....Exactly three carbons bonded directly to the phosphorus
                (e.g., triphenylphosphines, etc.)
  22      ......And carbon bonded directly to the heavy metal
  23      ......Hydrogen or halogen bonded directly to the heavy metal
  24      ...Exactly four chalcogens bonded directly to the phosphorus
              (e.g., phosphates, orthophosphates, etc.)
  25      ....At least two of the chalcogens are sulfur (e.g., zinc
               dihydrocarbyl dithiophosphates, etc.)
  26      ....Nitrogen or -C(=X)- containing, wherein X is chalcogen
  27      ..Aluminum containing
  28      ..Plural diverse heavy metals containing
  29      ...Heavy metal double bonded directly to heavy metal
  30      ...Arsenic, antimony, or bismuth containing (As, Sb, or Bi)
  31      ...Containing -C(=X)-, wherein X is chalcogen (e.g., carbonyl
              containing, etc.)
  32      ..Nitrogen double bonded directly to carbon
  33      ...Carbocyclic ring bonded directly to the nitrogen (e.g.,
              azomethines, etc.)
  34      ....Additonal carbon double bonded to nitrogen (e.g.,
               bisazomethines, etc.)
  35      ...Additional nitrogen bonded directly to the carbon orr
              nitrogen
  36      ....Guanidines
  37      ...Chalcogen bonded directly to the carbon or nitrogen (e.g.,
              oximes, etc.)
  38      ..Nitrogen and plural sulfurs bonded directly to the same carbon
             (e.g., thiocarbamates, etc.)
  39      ...Plural nitrogens bonded directly to the same carbon or
              attached to each other by a chain consisting of carbons,
              which carbons may be part of a ring (e.g., ethylene
              bis-dithiocarbamates, etc.)
  40      ..Plural -C(=X)- groups, wherein X is chalcogen, bonded directly
             to the same non-benzenoid carbons, or the enolate thereof.
             (e.g., beta-diketone chelates, acetylacetonates, etc.)
  41      ...Carbon or halogen bonded directly to the metal
  42      ..Vanadium, niobium, or tantalum containing (V, Nb, or Ta)
  43      ...Carbon bonded directly to the metal (e.g., cyclopentadienyl
              vanadium tetracarbonyl, etc.)
  44      ...The metal is bonded directly to X of a -C(=X)X- group,
              wherein the X's are the same or diverse chalcogens (e.g.,
              vanadyl xanthate, etc.)
  45      ..Manganese or rhenium containing (Mn or Re)
  46      ...Carbon bonded directly to the metal (e.g., ethyl
              thiomanganese tricarbonyl, etc.)
  47      ....The metal is bonded directly to an unsaturated 5-membered
               carbocyclic ring and to at least three -C(=X)- groups,
               wherein X is chalcogen (e.g., cyclopentadienyl manganese
               tricarbonyl, indenyl manganese tricarbonyl, etc.)
  48      .....Chalcogen or -C(=X)-, wherein X is chalcogen, bonded
                directly to the unsaturated 5-membered carbocyclic ring
  49      ...The metal is bonded directly to X of a -C(=X)X- group,
              wherein the X's are the same or diverse chalcogens (e.g.,
              manganese acetate, etc.)
  50      ....Nitrogen containing
  51      ..Titanium, zirconium, or hafnium containing (Ti, Zr, or Hf)
  52      ...Carbon bonded directly to the metal
  53      ....Plural unsaturated 5-membered carbocyclic rings bonded
               directly to the metal
  54      ...Plural chalcogens bonded directly to the metal (e.g., alkyl
              titanates, titanic esters, etc.)
  55      ....Containing -C(=X)X-, wherein the X's are the same or diverse
               chalcogens
  56      ....Nitrogen or halogen containing
  57      ..Chromium, molybdenum, or tungsten containing (Cr, Mo, or
  58      ...Carbon bonded directly to the metal
  59      ....Chalcogen double bonded directly to the carbon (e.g.,
               molybdenum pentacarbonyls, etc.)
  60      .....Carbocyclic ring bonded directly to the metal
  61      ...Containing -C(=X)X-, wherein the X's are the same or diverse
              chalcogens
  62      ....The carbons of plural -C(X=)X- groups, are bonded directly
               to each other, to the same acyclic carbon, (e.g., chromium
               oxalates, etc.)
  63      ....Nitrogen or halogen containing
  64      ..Arsenic, antimony, or bismuth containing (As, Sb, or Bi)
  65      ...Arsenic double bonded directly to arsenic (e.g.,
              arsenobenzenes, etc.)
  66      ....Containing two benzene rings each having nitrogen, chalcogen
               and one of the arsenics bonded directly thereto (e.g.,,
               arsphenamines, etc.)
  67      .....Sulfur double bonded directly to chalcogen (e.g.,
                neoarsphenamines, etc.)
  68      ...Tricyclo ring system having a six-membered ring, which
              includes heavy metal and nitrogen or chalcogen, as one of the
              cyclos (e.g., phenoxarsines, phenarsazines, etc.)
  69      ...Sulfur double bonded directly to chalcogen
  70      ...Carbon bonded directly to the metal
  71      ....Chalcogen bonded directly to the metal (e.g., arsine oxides,
               etc.)
  72      .....Plural chalcogens bonded directly to the metal
  73      ......Exactly three chalcogens bonded directly to the metal
                 (e.g., arsonic acids, arsonates, etc.)
  74      .......Nitrogen and the metal bonded directly to the same
                  benzene ring (e.g., arsanilic acids, etc.)
  75      ........Having -C(=X)-, wherein X is chalcogen, attached
                   directly or indirectly to the nitrogen by acyclic
                   nononic bonding
  76      ...Chalcogen bonded directly to the metal
  77      ....Containing -C(=X)X-, wherein the X's are the same or diverse
               chalcogens
  78      .....Carbocyclic ring bonded directly to the carbon of the
                -C(=X)X- group
  79      .....The carbons of plural -C(=X)X- groups are bonded directly
                to each other, to the same carbon, or to a chain consisting
                of carbons, which carbons may be part of a ring (e.g.,
                bismuth tartrates, etc.)
  80      ....Carbocyclic ring bonded directly to the chalcogen
  81      ..Germanium, tin, or lead containing (Ge, Sn, or Pb)
  82      ...Tin bonded directly to tin or lead bonded directly to lead
  83      ...Plural heavy metals bonded directly to the same chalcogen
              (e.g., two germaniums bonded directly to the same oxygen,
              etc.)
  84      ....Exactly three carbons bonded directly to each of the metals
               (e.g., bis tributyl tin oxides, etc.)
  85      ...Sulfur double bonded directly to chalcogen
  86      ....Exactly three carbons bonded directly to the metal
  87      ...Carbon bonded directly to the metal
  88      ....Chalcogen bonded directly to the metal
  89      .....Plural chalcogens bonded directly to the metal
  90      ......At least one of the chalcogens is part of a -C(=X)X-
                 group, wherein the X's are the same or diverse chalcogens
  91      .......Sulfur containing (e.g., organotinmercaptio carboxylic
                  acid ester sulfides, etc.)
  92      .......Acyclic carbon to carbon unsaturation containing (e.g.,
                  diorganotin maleates, etc.)
  93      ......Having -C(=X)X-, are the same or diverse chalcogens,
                 attached indirectly to the metal by nonionic bonding
                 (e.g., dialkyl tin thioglycollic acid esters, etc.)
  94      .....The chalcogen is part of a -C(=X)X- group, wherein the X's
                are the same or diverse chalcogens
  95      ....The compound consists of the metal, carbon and hydrogen or
               the metal, carbon, hydrogen and halogen (e.g.,
               tetraalkylleads, etc.)
  96      .....Preparing by utilizing a magnesium containing material
                (e.g., Grignard reagent, etc.)
  97      .....Preparing by interchange of radicals between heavy metal
                atoms (e.g., redistribution, disproportionation, etc.))
  98      .....Preparing by reacting free heavy metal or heavy metal
                containing alloy with hydrocarbyl halide (e.g., reacting
                Pb-Na alloy with hydrocarbyl chloride, etc.)
  99      ......Additional heavy metal containing material or aluminum
                 containing material utilized
  100     ......Phosphorus containing material or organic nitrogen
                 containing compound utilized
  101     ......Organic chalcogen containing compound or additional
                 organic halogen containing utilized
  102     .....Preparing by utilizing boron, aluminum, gallium, indium, or
                thallium
  103     .....Purification or recovery
  104     .....Halogen bonded directly to the metal
  105     ...Containing -C(=X)X-, wherein the X's are the same or diverse
              chalcogens
  106     ....Carbocyclic ring bonded directly to the carbon of the
               -C(=X)X- group (e.g., lead phthalates, etc.)
  107     ....Nitrogen containing
  108     ...Carbocyclic ring and the metal are bonded directly to the
              same chalcogen (e.g., stannous catecholates, etc.)
  109     ....Plural chalcogens and plural nitro groups bonded directly to
               the same benzene ring (e.g., lead styphnates, lead salts of
               di-nitroresorcinol, etc.)
  110     ..Copper, silver, or gold containing (Cu, Ag, or Au)
  111     ...Sulfur double bonded directly to chalcogen
  112     ...Carbon bonded directly to the metal
  113     ...Chalcogen bonded directly to the metal
  114     ....The chalcogen is part of a -C(=X)X- group, wherein the X's
               are the same or diverse chalcogens
  115     .....Carbocyclic ring bonded directly to the carbon of the
                -C(=X)X- group
  116     .....Nitrogen containing
  117     ....Containing -C(=X)-, wherein X is chalcogen
  118     ..Zinc, cadmium, or mercury containing (Zn, Cd, or Hg)
  119     ...Sulfur double bonded directly to chalcogen
  120     ....Containing -C(=X)-, wherein X is chalcogen (e.g., zinc
               formaldehyde sulphoxylates, etc.)
  121     ...Carbon bonded directly to the metal
  122     ....Chalcogen bonded directly to the metal
  123     .....The carbon is part of a carbocyclic ring (e.g., phenyl
                mercury nitrate, phenyl mercury phenolates, etc.)
  124     ......Hydrogen or -C(=X)-, wherein X is chalcogen, bonded
                 directly to the chalcogen (e.g., H-X-Metal-Ring-H,
                 -C(=X)X-Metal-Ring-H, phenyl mercury hydroxides, phenyl
                 mercury acetates, etc.)
  125     .......The carbon of the -C(=X)X- group is bonded directly to
                  the carbocyclic ring or to a different carbocyclic ring
                  (e.g., phenyl mercury salicylates, oxymercuric benzoic
                  acid anhydrides, etc.)
  126     .......Additional chalcogen bonded directly to the carbocyclic
                  ring (e.g., acetoxymercury nitrocresols, etc.)
  127     .....Hydrogen or -C(=X)-, wherein X is chalcogen, bonded
                directly to the chalcogen (e.g., H-X-Metal-HCH-,
                -C(=X)X-Metal-HCH-, etc.)
  128     ....Cyano, nitrogen or halogen bonded directly to the metal
  129     ....The compound consists of the metal, carbon and hydrogen
               (e.g., dialkyl zinc, etc.)
  130     ...Chalcogen bonded directly to the metall
  131     ....The chalcogen is part of a -C(=X)X- group, wherein the X's
               are the same or diverse chalcogens
  132     .....Carbocyclic ring bonded directly to the carbon of the
                -C(=X)X- group
  133     .....The carbons of plural -C(=X)X- groups are bonded directly
                to each other, to the same carbon, or to a chain consisting
                of carbons, which carbons, which carbons may be part of a
                ring (e.g., zinc glutamates, etc.)
  134     .....Nitrogen containing (e.g., zinc ethionates, etc.)
  135     ....Carbocyclic ring bonded directly to the chalcogen (e.g.,
               zinc phenolates, zinc thiophenates, etc.)
  136     ..Ruthenium, rhodium, palladium, osmium, iridium, or platinum
             containing (Ru, Rh, Pd, Os, Ir, or Pt)
  137     ...Nitrogen bonded directly to the metal
  138     ..Iron, cobalt, or nickel containing (Fe, Co, or Ni)
  139     ...Sulfur double bonded directly to chalcogen
  140     ...Carbon bonded directly to the metal
  141     ....Chalcogen double bonded directly to the carbon (e.g.,
               butadiene iron tricarbonyls, etc.)
  142     .....Carbocyclic ring bonded directly to the metal
  143     ....Plural unsaturated five-membered carbocyclic rings bonded
               directly to the metal (e.g., ferrorcenes, bis indenyl iron,
               etc.)
  144     .....Chalcogen, nitrogen or halogen containing
  145     ......Chalcogen, nitrogen, halogen or -C(=X)-, wherein X is
                 chalcogen, bonded directly to at least one of the
                 carbocyclic rings
  146     ...Chalcogen bonded directly to the metal
  147     ....The chalcogen is part of a -C(=X)X- group, wherein the X's
               are the same or diverse chalcogens
  148     .....Nitrogen containing (e.g., ferric chelates of
                ethylenediaminetetracetic acid, etc.)
  149     .....Salts of acyclic monocarboxylic acids (e.g., nickel
                formate, cobalt acetate, etc.)
  150     ....Carbocyclic ring bonded directly to the chalcogen
  170     .ALUMINUM CONTAINING
  171     ..With preservative or stabilizer
  172     ..Boron containing
  173     ..Silicon containing
  174     ..Phosphorus containing
  175     ..Ring aluminum containing
  176     ..Nitrogen bonded directly to the aluminum
  177     ..Oxygen double bonded directly to sulfur
  178     ..Plural aluminums containing
  179     ...Chalcogen bonded directly to aluminum
  180     ...Halogen bonded directly to aluminum (e.g., sesquihalides,
              etc.)
  181     ..Chalcogen bonded directly to aluminum
  182     ...Plural chalcogens bonded directly to the same aluminum
  183     ....At least one of the chalcogens is part of a -C(=X)X- group,
               wherein the X's are the same or diverse chalcogens
  184     .....Ring bonded directly to the carbon of the -C(=X)X- group
  185     ....Preparing by oxidation
  186     ..Halogen bonded directly to the aluminum
  187     ..Processes of preparing, purifying or recovering compounds
             having plural carbons bonded directly to the same aluminum
  188     ...Aluminum containing alloy or elemental aluminum utilized
  189     ....And utilizing a material which contains a metal other thann
               aluminum
  190     ...Reactants include unsaturated hydrocarbon and compound having
              carbon bonded directly to aluminum
  400     .SILICON CONTAINING
  401     ..With preservative or stabilizer
  402     ..Boron containing
  403     ...Boron is ring member
  404     ..Phosphorus attached directly or indirectly to silicon by
             nonionic bonding
  405     ...Chalcogen bonded directly to silicon
  406     ..Ring consisting of carbon and silicon
  407     ..Nitrogen is ring member
  408     ...Chalcogen is member of the ring
  409     ...Plural silicons in the ring
  410     ..Nitrogen attached directly to silicon by nonionic bonding
  411     ...Having -C(=X)-, wherein X is chalcogen, bonded directly to
              the nitrogen
  412     ...Plural silicons bonded directly to the nitrogen
  413     ..Nitrogen attached indirectly to silicon by nonionic bonding
  414     ...The nitrogen is in an isocyanato or isothiocyanato group
              (i.e., -NCO or -NCS)
  415     ...The nitrogen is in a cyano group (i.e., -CN)
  416     ....Chalcogen bonded directly to plural carbons or double-bonded
               directly to carbon
  417     ....Chalcogen bonded directly to silicon
  418     ...Having -C(=X)-, wherein X is chalcogen, attached indirectly
              to silicon by nonionic bonding
  419     ....Nitrogen is bonded directly to the -C(=X)- group
  420     .....The -C(=X)- is part of a -C(=X)X- group, wherein the X's
                are the same or diverse chalcogens
  421     .....Additional nitrogen bonded directly to the -C(=X)- group
  422     ...Chalcogen attached directly to the nitrogen by nonionic
              bonding
  423     ...Plural carbons bonded directly to the same chalcogen
  424     ...Plural nitrogens bonded directly to the same carbon or
              attached by a chain consisting of carbons, which carbons may
              be part of a ring
  425     ...Two silicons bonded directly to the same oxygen
  426     ..Sulfur bonded directly to silicon
  427     ..Sulfur attached indirectly to silicon by nonionic bonding
  428     ...Chalcogen bonded directly to sulfur
  429     ...The sulfur is part of a -SH or -SC(=X)- group, wherein X is
              chalcogen (H of -SH may be replaced by a substituted or
              unsubstituted ammonium ion or a Group IA or IIA light metal)
  430     ..Plural silicons bonded directly to each other
  431     ..Plural silicons bonded directly to the same carbon or attached
             by a chain consisting of carbons, which carbons may be part of
             a ring
  432     ...Plural silicons bonded directly to the same or different
              benzene rings that form all or part of the chain
  433     ....Two silicons bonded directly to the same oxygen
  434     ...Two silicons bonded directly to the same oxygen
  435     ...Two silicons bonded directly to the same acyclic saturated
              hydrocarbon
  436     ..Carbonyl attached directly or indirectly to silicon by
             nonionic bonding
  437     ...The carbonyl is part of a -COO- group
  438     ....Silicon and the carbon of the -COO- group are bondedd
               directly to the same hydrocarbon group
  439     .....Two silicons bonded directly to the same oxygen
  440     ....Silicon and the oxy of the -COO- group are bonded directly
               to the same hydrocarbon group
  441     ....Carbocyclic ring having silicon as part of one substituent
               and the -COO- as part of another substituent
  442     ....Silicon is bonded directly to the oxy of the -COO- group
  443     ..Plural silicons attached by a chain consisting of oxygen and
             carbon, which chain may be part of a ring
  444     ...Two carbons bonded directly to the same oxygen
  445     ..Two carbons bonded directly to the same oxygen
  446     ...Additional oxygen bonded directly to the silicon and to a
              group containing the oxygen and two carbons
  447     ...Two carbocyclic rings bonded directly to the oxygen
  448     ...One of the two carbons is part of a substituent on the
              oxygen, which substituent contains halogen and does not
              contain silicon or a benzene ring
  449     ..Hydroxy bonded directly to carbon or peroxy bonded directly to
             two carbons or to hydrogen and carbon (H of the hydroxy or the
             H bonded to the peroxy may be replaced by a substituted or
             unsubstituted ammonium ion or a Group IA or IIA light metal)
  450     ..Two silicons bonded directly to the same oxygen
  451     ...Hydrogen bonded directly to silicon
  452     ...Halogen bonded directly to silicon
  453     ...Three carbons bonded directly to the same silicon
  454     ....Halogen attached indirectly to silicon by nonionic bonding
  455     ....Three oxygens bonded directly to the same silicon
  456     ....Three identical hydrocarbon groups bonded directly to the
               same silicon
  457     ...Silicon and carbon bonded directly to the same oxygen
  458     ....Three oxygens each bonded directly to the same silicon and
               to carbon
  459     ...Hydroxy bonded directly to silicon (H of hydroxy may be
              replaced by a substituted or unsubstituted ammonium ion or a
              Group IA or IIA light metal) may be replaced by a substituted
              or unsubstituted ammonium ion or a Group
  460     ...Ring consisting of silicon and oxygen
  461     ....Benzene ring containing
  462     ...Preparing by utilizing a siloxane reactant
  463     ..Hydroxy or peroxy bonded directly to the silicon (H of hydroxy
             may be replaced by a substituted or unsubstituted ammonium ion
             or a Group IA or IIA light metal)
  464     ..Ring consisting of silicon, oxygen, and carbon
  465     ..Carbon attached directly or indirectly to the silicon by
             nonionic bonding (e.g., silanes, etc.)
  466     ...Processes
  467     ....Plural silicons in a reactant
  468     .....Bonded directly to each other
  469     ....Interchange of radicals between silicon atoms (e.g.,
               redistribution, disproportionation, transesterification,
               etc.)
  470     ....Forming group containing silicon and carbon bonded directly
               to the same oxygen (e.g., esters, etc.)
  471     .....A silicon halide reacted with a hydroxy or
                oxirane-containing compound (H of hydroxy may be replaced
                by a substituted or unsubstituted ammonium ion or a Group
                IA or IIA light metal)
  472     ....Elemental silicon, silicon-containing alloy or metall
               silicide reactant
  473     .....Halogen, hydrogen halide, or a silicon halide utilized
  474     ....Silicon to hydrogen bond formed
  475     ....Dehydrohalogenation to produce carbon to carbon
               unsaturation
  476     ....Halogenation of silicon-containing compound
  477     .....Silicon to halogen bond formed
  478     ....Silicon to carbon bond formed
  479     .....Carbon to carbon unsaturation reduced by addition of a
                silicon hydride
  480     .....Magnesium-containing reactant
  481     .....By substitution of silicon bonded hydrogen
  482     ...Silicon and carbon bonded directly to the same oxygen
  483     ....Four oxygens bonded directly to the silicon
  484     ....Halogen bonded directly to the silicon
  485     ....Halogen bonded directly to acyclic carbon
  486     ....Silicon and benzene ring bonded directly to the same oxygen
  487     ...Hydrogen bonded directly to the silicon
  488     ...Halogen bonded directly to acyclic carbon
  489     ...Unsaturated carbocyclic ring containing