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

Subclass  Subclass
Number    Title

  *       ORGANIC COMPOUNDS (Class 532, Subclass 1)
  101     .HALOGEN CONTAINING
  102     ..With preservative or stabilizer
  103     ...To prevent or reduce polymerization
  104     ....Nitrogen bonded directly to oxygen in preservative or
               stabilizer
  105     ....Oxygen single bonded directly to benzene ring in
               preservative or stabilizer
  106     ....Sulfur containing preservative or stabilizer
  107     ...Acetylenic unsaturation containing preservative or
              stabilizer
  108     ....Hydroxy, bonded directly to carbon, or ether containing
  109     ...Nitrogen containing hetero ring in preservative or
              stabilizer
  110     ...Acyclic nitro containing preservative or stabilizer
  111     ...Nitrogen other than as ammonia or the ammonium ion in
              preservative or stabilizer
  112     ....Nitrile
  113     ....Imine (e.g., hydrazone, oxime, etc.)
  114     ...Oxygen containing hetero ring in preservative or stabilizer
  115     ....Hetero ring containing plural ring oxygens
  116     ....Oxirane ring
  117     ...Carbonyl containing preservative or stabilizer
  118     ...Hydroxy, bonded to carbon, or ether containing preservative
              or stabilizer
  119     ....Phenolic
  120     ...Sulfur containing preservative or stabilizer
  121     ...Hydrocarbon, halocarbon or halohydrocarbon preservative or
              stabilizer
  122     ....Acyclic carbon to carbon unsaturation containing
  123     ..Fluorine containing
  124     ...Product
  125     ....Polymer of unsaturated compound
  126     .....Fluorine is sole halogen
  127     ....Benzene ring containing
  128     .....Acyclic unsaturation containing
  129     .....Plural carbocyclic rings containing
  130     ....Plural carbocyclic rings containing
  131     ....Carbocyclic ring contains six carbon atoms
  132     ....Carbocyclic ring contains four carbon atoms
  133     ....Carbocyclic ring contains three carbon atoms
  134     ....Acyclic
  135     .....Unsaturated
  136     ......Fluorine is sole halogen
  137     .....Bromine or iodine containing
  138     ...Polymerization of unsaturated compound
  139     ....With chain terminating agent (e.g., telogen, etc.)
  140     ...From organic compound containing an element other than
              carbon, hydrogen, or halogen
  141     ....Nitrogen containing
  142     ....Oxygen containing
  143     ...Preparing benzene ring containing compoundd
  144     ....Haloalkyl containing compound
  145     .....By substituting halogen for a different halogen in
                haloalkyl group
  146     ....Forming the benzene ring
  147     ....Substituting halogen for different halogen or hydrogen
  148     ...Forming alicyclic ring from benzene ring
  149     ...Forming alicyclic ring from acyclic compound
  150     ...Preparing from elemental carbon, carbon oxide, or carbon
              disulfide
  151     ...Isomerization
  152     ...Decreasing molecular weight of polymer of indeterminate
              structure
  153     ...Preparing unsaturated compound
  154     ....From acetylenically unsaturated compound
  155     ....By dehalogenation or dehydrohalogenation of adjacent carbon
               atoms in a compound
  156     .....Catalyst utilized
  157     ......Alkali or alkaline earth metal containing catalyst
  158     ......Zinc containing catalyst
  159     ....From methane or halomethane
  160     ....Substituting fluorine for a different halogen
  161     ...Utilizing halogen fluoride or a mixture of elemental fluorine
              and another elemental halogen
  162     ...Utilizing a compound containing silicon and fluorine
  163     ...Transhalogenation or disproportionation
  164     ...By reacting with hydrogen fluoride
  165     ....Catalyst utilized
  166     .....Metal halide containing catalyst
  167     ......Antimony halide containing catalyst
  168     ......Transition metal halide containing catalyst
  169     .....Metal oxide containing catalyst
  170     ...Substituting halogen for a different halogen
  171     ...Increasing the number of carbon atoms in the compound
  172     ....Utilizing unsaturated compound
  173     ...Decreasing the number of carbons in the compound (e.g.,
              cracking, etc.)
  174     ...Introducing bromine or iodine
  175     ...Utilizing unsaturated compound
  176     ...Replacing halogen with hydrogen
  177     ...Purification or recovery
  178     ....Including distillation
  179     ....Solid sorbent utilized
  180     ....Including extraction with organic liquid
  181     ..Product
  182     ...Benzene ring containing
  183     ....Polycyclo ring system
  184     ....Plural benzene rings bonded directly to the same acyclic
               carbon or attached by an acyclic carbon chain
  185     ....Benzene ring and halogen bonded directly to the same acyclic
               carbon or attached by an acyclic carbon chain
  186     ...Alicyclic ring containing
  187     ....Polycyclo ring system
  188     ....Plural rings containing
  189     ...Acyclic carbon to carbon unsaturation containing
  190     ..Processes of preparing, purifying, or recovering benzene ring
             containing compound
  191     ...Preparing acyclic haloalkyl group containing compound
  192     ....Halo, 1,1-diphenylethane or ring substituted derivativee
               thereof prepared (e.g., DDT, etc.)
  193     ....Having acyclic carbon to carbon unsaturation
  194     ....Bonding haloalkyl group directly to benzene ring
  195     .....Oxygen containing organic compound reactant
  196     ....Halogenation of acyclic carbon
  197     .....Catalyst utilized
  198     ......Halogen containing catalyst
  199     ...Bonding benzene rings to the same acyclic carbon or to an
              acyclic carbon chain
  200     ...Preparing acyclic carbon to carbon unsaturation containing
              compound
  201     ...Oxygen containing organic compound reactant
  202     ...Isomerization
  203     ...Oxyhalogenation
  204     ...Dehalogenation or dehydrohalogenation
  205     ....Of alicyclic ring to prepare benzene ring
  206     ...Bonding halogen directly to benzene ring
  207     ....Chlorination
  208     .....Catalyst utilized
  209     ......Sulfur containing catalyst
  210     ......Metal halide containing catalyst
  211     ...Purification or recovery
  212     ..Forming alicyclic ring from benzene ring
  213     ..Purification or recovery of 1,2,3,4,5,6 -
             hexachlorocyclohexane (i.e., benzene hexachloride)
  214     ..Ring formation, ring expansion or contraction or bonding one
             alicyclic ring directly or indirectly to another alicyclic
             ring
  215     ...Diels-Alder reaction
  216     ..Processes of preparing, purifying, or recovering unsaturated
             compound
  217     ...From carbon source other than hydrocarbon, halocarbon, or
              halohydrocarbon
  218     ...Decreasing the number of carbon atoms in the compound
  219     ...Plural diverse reactions in separate zones
  220     ....Dehalogenation or dehydrohalogenation with halogenation in
               separate zones
  221     .....Acetylene reactant
  222     .....Including oxyhalogenation or oxidation with elemental
                oxygen
  223     ....Including oxhalogenation or oxidation with elemental oxygen
  224     ...Oxyhalogenation
  225     ....Liquid medium or inorganic melt utilized
  226     ...Dehydrohalogenation
  227     ....Catalyst utilized
  228     .....Catalyst in liquid phase
  229     ....Including chemical reaction with by-product hydrogen halide
  230     ...Dehalogenation or dehydrogenation
  231     ...Addition reaction of free halogen or hydrogen halide to
              carbon to carbon unsaturation
  232     ....To triple bond
  233     .....To acetylene
  234     ...Elemental halogen reactant
  235     ...Metal halide reactant
  236     ...Isomerization
  237     ...Increasing the number of carbon atoms in the compound
  238     ...Purification or recovery
  239     ....Including contact with solid agentt
  240     ..Preparing from elemental carbon, inorganic carbide, carbon
             disulfide, or carbon oxide
  241     ..Preparing utilizing plural diverse reactions in separate
             zones
  242     ...Addition reaction of hydrogen chloride to carbon to carbon
              unsaturation with chlorination in separate zone
  243     ..Preparing by oxyhalogenation
  244     ...Liquid medium or inorganic melt utilized
  245     ...Fixed bed catalyst utilized
  246     ..Preparing by addition of elemental halogen, interhalogen
             compound, or hydrogen halide to carbon to carbon unsaturation
  247     ...Catalyst or reaction directing agent utilized
  248     ....Hydrogen halide reactant
  249     .....Nonmetallic catalyst or reaction directing agent utilized
  250     .....Catalyst or reaction directing agent containing or group
                VIII metal utilized
  251     ...All reactants in vapor phase
  252     ..Elemental halogen reactant
  253     ...Catalyst or reacton directing agent utilized
  254     ....Inorganic metal containing catalyst or reaction directing
               agent utilized
  255     ...All reactants in vapor phase
  256     ..Isomerization
  257     ..Preparing by increasing the number of carbons in the compound
  258     ..Preparing by reacting hydrogen halide with a compound which
             contains hydroxy bonding directly to carbon
  259     ..Preparing by reacting ether with hydrogen halide
  260     ..Preparing by halogen exchange
  261     ..Halogen source is a compound other than hydrogen halide
  262     ..Purification or recovery
  263     ...Liquid-liquid extraction
  264     ..Preservation or stabilization treatment