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: 522
 Class Title: SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS
              520 SERIES

Subclass  Subclass
Number    Title

  *       SYNTHETIC RESINS (Class 520, Subclass 1)
  1       .COMPOSITIONS TO BE POLYMERIZED BY WAVE ENERGY WHEREIN SAID
            COMPOSITION CONTAINS A RATE-AFFECTING MATERIAL; OR COMPOSITIONS
            TO BE MODIFIED BY WAVE ENERGY WHEREIN SAID COMPOSITION CONTAINS
            A RATE-AFFECTING MATERIAL; OR PROCESSES OF PREPARING OR
            TREATING A SOLID POLYMER UTILIZING WAVE ENERGY
  2       ..Processes of forming or modifying a solid polymer by laser; or
             compositions therefore
  3       ..Processes of forming or modifying a solid polymer wherein
             specified mixing, stirring, agitating, movement of material or
             directional orientation is employed; or compositions
             therefore
  4       ..Processes of forming or modifying a solid polymer by wave
             energy wherein at least two distinct external radiant energy
             sources are utilized; or compositions therefore
  5       ..Processes of forming or modifying a solid polymer by wave
             energy wherein a temperature less than 0 degree C (32 degree
             F) or greater than 250 degree C (482 degree F) is employed; or
             compositions therefore
  6       ..Compositions to be polymerized or modified by wave energy
             wherein said composition contains at least one specified
             rate-affecting material; or processes of preparing or treating
             a solid polymer utilizing wave energy in the presence of at
             least one specified rate-affecting material; e.g., nitrogen
             containing photosensitizer, oxygen containing photoinitiator,
             etc. wave energy in order to prepare a cellular product
  7       ...Contains two or more rate-affecting materials, at least one
              of which is specified
  8       ....At least two specified rate-affecting materials containing
               keto group not part of a ring; or contains a nonspecified
               photoinitiator or photosensitizer and specified ketone
               containing material wherein the keto group is not part of a
               ring
  9       .....With a heterocyclic specified rate-affecting material
  10      .....With a tertiary amine specified rate-affecting material
  11      ....Contains compound containing keto group not part of a ring
               and nonspecified rate-affecting material other than mere
               photoinitiator or photosensitizer
  12      ....Contains compound containing keto group not part of a ring
               and a specified rate-affecting material; or contains a
               specified rate-affecting material and a nonspecified
               photoinitiator or photosensitizer
  13      .....Specified rate-affecting material is a peroxide or azo
                compound
  14      .....Specified rate-affecting material is an amide or tertiary
                amine
  15      .....Specified rate-affecting material contains onium group
  16      .....Specified rate-affecting material is heterocyclic
  17      .....Specified rate-affecting material contains sulfur
  18      .....Specified rate-affecting material contains phosphorous,
                arsenic, antimony or nitrogen atomm
  19      .....Specified rate-affecting material is an aldehyde or
                aldehyde derivative
  20      .....Specified rate-affecting material is a carboxylic acid or
                derivative
  21      .....Specified rate-affecting material contains C-OH or C-O-C
                group
  22      .....Specified rate-affecting material contains an inorganic
                compound
  23      .....Specified rate-affecting material contains only carbon,
                hydrogen, or halogen and at least one atom of carbon is
                bonded to hydrogen or a halogen atom
  24      ....Specified rate-affecting material is a peroxide
  25      ....Specified rate-affecting material contains onium group
  26      ....Specified rate-affecting material is heterocyclic
  27      ....Specified rate-affecting material contains sulfur
  28      ....Specified rate-affecting material contains phosphorous,
               arsenic, antimony or nitrogen
  29      ....Specified rate-affecting material is a metal-containing
               organic compound
  30      ....Specified rate-affecting material is organic
  31      ...Specified rate-affecting material contains onium group
  32      ....Diazonium containing material
  33      ...Specified rate-affecting material contains a ketone group
              -c-(CO)n-c-, the (CO)n not being part of a ring
  34      ....Containing ethylenic unsaturation
  35      ....Contained in polymeric rate-affecting material, e.g.,
               synthetic resin, etc.
  36      ....Containing two or more ketone groups
  37      .....Adjacent (C=O)* groups where * is at least two
  38      ....Containing phosphorous
  39      ....Containing nitrogen
  40      ....Containing C-CO-CHOH, e.g., benzoin, etc.
  41      .....Containing C-CO-CHOH-CHOR wherein R is organic
  42      ....Containing C-CO-C(R)(OH) wherein R is organic
  43      ....Containing C-CO-C(H)(OR) wherein R is organic, e.g., benzoin
               methyl ether, etc.
  44      ....Containing C-CO-C(R)(OR) wherein R is organic, e.g.,
               diethoxyacetophenone, etc.
  45      ....Containing halogen, e.g., chloroacetone, etc.
  46      ....At least two aryl groups connected directly to same carbonyl
               carbon, e.g., benzophenone, etc.
  47      ...Specified rate-affecting material is a quinone
  48      ....Quinone ring is part of polynuclear system, e.g.,
               anthraquinone, etc.
  49      ...Specified rate-affecting material contains chalcogen other
              than as oxygen
  50      ....Hetero nitrogen ring
  51      .....Containing mercapto or mercaptide group, e.g.,
                (thio)mercaptobenzoxazole, etc.
  52      .....Containing halogen
  53      ....Hetero sulfur ring
  54      ....C-(S)*-C wherein * is at least two
  55      ....Sulfide
  56      ....Mercapto group attached directly to aromatic ring, e.g.,
               thiophenol, etc.
  57      ....Nitrogen containing compound
  58      ....Sulfenate, e.g., R-O-S-R, etc.
  59      ....(O=S=O), e.g., sulfuryl or sulfonyl containing, etc..
  60      ...Specified rate-affecting material is a peroxide
  61      ....Hydroperoxide
  62      ...Specified rate-affecting material contains a C-N=N-C-group
  63      ...Specified rate-affecting material contains nitrogen or oxygen
              atom in heterocyclic ring
  64      ...Specified rate-affecting material contains phosphorous
  65      ...Specified rate-affecting material contains nitrogen
  66      ...Specified rate-affecting material contains metal atom
  67      ...Specified rate-affecting material contains halogen
  68      ...Specified rate-affecting material contains oxygen
  69      ....Phenolic, e.g., hydroquinone, etc.
  70      ...Specified rate-affecting material contains only carbon and
              hydrogen
  71      ..Processes of preparing or treating a solid polymer by wave
             energy in the presence of a designated nonreactant material
             (DNRM); or compositions therefore
  72      ...Carbohydrate or derivative DNRM
  73      ...Coal, asphaltic, or bituminous material DNRM
  74      ...Organic DNRM
  75      ....Heterocyclic ring containing DNRM
  76      ....Phosphorous containing DNRM
  77      ....Silicon containing DNRM
  78      ....Nitrogen containing DNRM
  79      ....Oxygen containing DNRM
  80      ....Carbon and hydrogen only containing DNRM
  81      ...Heavy metal containing DNRM
  82      ...Phosphorous or sulfur containing DNRM
  83      ...Oxygen containing DNRM
  84      ....Water
  85      .....Reacting an ethylenic monomer in the presence of a solid
                polymer
  86      .....Treating a solid polymer
  87      ..Processes involving protein as reactant or as solid polymer;
             or compositions therefore
  88      ..Processes involving carbohydrate as reactant or as solid
             polymer; or compositions therefore
  89      ...Preparing a polymer from carbohydrate and ethylenic reactant
  90      ..Processes involving a polyurethane having terminal ethylenic
             unsaturation as reactant or as solid polymer; or compositions
             therefore
  91      ...With a polysiloxane reactant or polymer
  92      ...With a reactant containing ethylenic unsaturation derived
              from poly 1,2 epoxide or polymer
  93      ...With polycarboxylic acid or derivative and a polyol, a
              condensate or solid polymer thereof reactant
  94      ...With aldehyde or aldehyde derivative reactant, condensate or
              solid polymer thereof
  95      ...With solid polymer derived solely from ethylenic monomers
  96      ...With ethylenic reactant
  97      ...Polyurethane has an oxygen other than as part of a urethane
              or carboxylic acid ester group
  98      ...Polyurethane has at least one non-terminal ethylenic group
  99      ..Processes involving a polysiloxane having ethylenic
             unsaturation as reactant or as solid polymer; or compositions
             therefore
  100     ..Processes involving an ethylenically unsaturated material
             derived from poly 1,2-epoxide as reactant or a solid polymer;
             or compositions thereoff
  101     ...With polycarboxylic acid or derivative and a polyol,
              condensate or solid polymer thereof
  102     ...With solid polymer derived solely from ethylencally
              unsaturated monomers
  103     ...With ethylenic reactant
  104     ..Processes involving an ethylenically unsaturated polyester
             derived from a polycarboxylic acid or derivative and polyol,
             condensate or solid polymer thereof; or compositions
             therefore
  105     ...With aldehyde or aldehyde derivative reactant or polymer
              thereof
  106     ...With solid polymer derived from ethylenically unsaturated
              monomers only
  107     ...With ethylenic reactant
  108     ...Condensate or solid polymer contains oxygen other than as
              part of a carboxylic acid ester moiety
  109     ..Processes of chemically modifying a blend of two or more solid
             polymers in the presence of a chemical reactant; or
             compositions therefore
  110     ...At least one solid polymer derived from ethylenic monomers
              has at least two ethylenic groups
  111     ..Processes of treating a blend of two or more solid polymers or
             reacting one solid polymer with another solid polymer; or
             compositions therefore
  112     ...At least two solid polymers derived from ethylenic monomers
              only
  113     ..Processes of chemically modifying a solid polymer derived only
             from ethylenically unsaturated monomers by treating polymer
             with a chemical reactant; or compositions therefore
  114     ...Chemical reactant is ethylenically unsaturated
  115     ....Phosphorus
  116     ....Nitrogen
  117     .....Chemical reactant has two or more ethylenic groups
  118     ....Sulfur
  119     .....Chemical reactant has two or more ethylenic groups
  120     ....Oxygen
  121     .....Chemical reactant has two or more ethylenic groups
  122     .....Hetero oxygen
  123     .....Contains C-OH group other than as part of a COO-moiety
  124     ....Carbon, hydrogen and halogen or carbon and halogen only
  125     ....Carbon and hyrogen only
  126     ...Chemical reactant contains nitrogen
  127     ...Chemical reactant contains sulfur
  128     ....Elemental sulfur
  129     ...Chemical reacant contains oxygen
  130     ....Contains C=O moiety
  131     ...Chemical reactant is elemental halogen
  132     ....Solid polymer treated contains halogen
  133     ....Solid polymer derived from single monomer
  134     ..Processes of chemically modifying a solid polymer or SICP
             derived from at least one saturated monomer by treating solid
             polymer or SICP with a chemical reactant; or compositions
             therefor
  135     ...Chemical reactant is ethylenically unsaturated
  136     ....Nitrogen
  137     .....Chemical reactant has two or more ethylenic groups
  138     .....Hetero nitrogen
  139     .....N-C=O containingg
  140     ......Two or more N-C=O groups
  141     ....Chalcogen
  142     .....Chemical reactant has two or more ethylenic groups
  143     .....Hetero oxygen
  144     .....Carboxylic acid or derivative
  145     ....Chemical reactant has two or more ethylenic groups and
               contains only carbon and hydrogen
  146     ...Chemical reactant contains chalcogen
  147     ...Chemical reactant contains halogen
  148     ..Processes of treating a solid polymer or SICP derived from
             silicon containing reactant; or compositions therefore
  149     ..Processes of treating a reaction product of a solid polymer
             and ethylenic reactant; or compositions therefore e.g., graft-
             or graft-type polymer, etc.
  150     ..Processes of treating a solid polymer derived from ethylenic
             monomers only; or compositions therefore
  151     ...Solid polymer derived from nitrogen containing monomer
  152     ....Nitrogen containing monomer contains oxygen
  153     ...Solid polymer derived from carboxylic acid or derivative
              monomer
  154     ....Oxygen other than as part of carboxylic acid or derivative
               moiety
  155     ...Solid polymer derived from halogen containing monomer
  156     ....Halogen is fluorine
  157     ...Solid polymer derived from monomer containing only carbon and
              hydrogen
  158     ....At least one reactant contains two or more ethylenic groups
  159     .....Polyisoprene or natural rubber
  160     ....Carbocyclic ring containing, e.g., styrene, etc.
  161     ....Derived from ethylene
  162     ..Processes of treating a solid polymer or SICP derived from at
             least one nonethylenic reactant or compositions therefore
  163     ...Solid polymer or SICP derived from reactant having
              halo-C(=O)-halo,halo C(=O)-O, or -O-C(=O)-O-group
  164     ...Solid polymer or SICP derived from polycarboxylic acid or
              derivative and organic amine or from organic amine salt of a
              polycarboxylic acid
  165     ...Solid polymer or SICP derived from polycarboxylic acid or
              derivative and polyol
  166     ...Solid polymer or SICP derived from at least one heterocyclic
              monomer or aldehyde or aldehyde derivative
  167     ..Processes of preparing a solid polymer from heterocyclic
             nitrogen monomers; or compositions therefore, e.g., carbazole,
             etc.
  168     ..Processes of preparing a solid polymer from a heterocyclic
             chalogen monomer; or compsitions therefore
  169     ...Two or more hetero atoms in hetero ring at least one of which
              is oxygen
  170     ...1,2 epoxy
  171     ..Processes of preparing a solid polymer from at least one
             phosphorous containing monomer; or compositions therefore
  172     ..Processes of preparing a solid polymer from at least one
             silicon containing monomer; or compositions therefore
  173     ..Processes of preparing a solid polymer from at least one
             nitrogen containing monomer; or compositions therefore
  174     ...Nitrogen containing reactant contains a N-C=O or N-C=O
              moiety
  175     ....Acrylamide or methacrylamidee
  176     ...Organic polyamine and polycarboxylic acid or derivative or
              from an organic amine salt of a polycarboxylic acid
  177     ...Acrylonitrile or methacrylonitrile
  178     ..Processes of preparing a solid polymer from at least one
             oxygen containing monomer; or compositions therefore
  179     ...Polycarboxylic acid or derivative and polyol, or condensate
              thereof, e.g., dimethylterephthalate, etc.
  180     ...Sulfur containing
  181     ...Ether group
  182     ...Carboxylic acid or derivative
  183     ....Oxygen other than as part of a COO-group
  184     ..Processes of preparing a solid polymer from ethylenic
             reactants only; or compositions therefore
  185     ...Carbon, hydrogen and halogen only reactant contains at least
              three carbon atoms
  186     ...At least one reactant contains two or more ethylenic groups
  187     ...At least one reactant contains halogen
  188     ...Derived from aromatic hydrocarbon
  189     ...Derived from ethylene only
  *       ******************************
  *       CROSS-REFERENCE ART COLLECTIONS
  *       ******************************
  901     DARK STORAGE STABILIZER
  902     AIR INHIBITION
  903     REMOVAL OF RESIDUAL MONOMER
  904     MONOMER OR POLYMER CONTAINS INITIATING GROUP
  905     .Benzophenone group
  906     PREPARING SHRINKABLE MATERIAL
  907     INVOLVING PRECURSOR OF AN ULTRAVIOLET ABSORBER, E.G.,
           MONOBENZOATE, ETC.
  908     DENTAL UTILITY
  909     SOLVENTLESS INK
  910     TREATMENT THROUGH AN EXTERNAL FILTER OR MASK (NONPHOTOGRAGHIC
           PROCESS)
  911     SPECIFIED TREATMENT INVOLVING MEGARAD OR LESS
  912     .Polymer derived from ethylenic monomers only
  913     NUMERICALLY SPECIFIED DISTINCT WAVELENGTH
  914     .Wavelength of 200 nanometers or less
  915     INVOLVING INERT GAS, STEAM, NITROGEN GAS, OR CARBON DIOXIDE