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Class Numbers & Titles | Class Numbers Only | USPC Index | International | HELP |
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Class 527 | SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES |
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This Class 527is considered to be an integral part of Class 520 (see the Class 520 schedule for the position of this Class in schedule hierarchy). This Class retains all pertinent definitions and class lines of Class 520 | ||
SYNTHETIC RESINS (CLASS 520, SUBCLASS 1) |
200 | FROM PROTEIN OR BIOLOGICALLY ACTIVE POLYPEPTIDE REACTANT |
201 | With ethylenically unsaturated reactant |
202 | Polymerization in the presence of a specified material |
203 | With nonethylenically unsaturated reactant |
204 | With N=C=X reactant wherein X is chalcogen |
205 | With aldehyde or derivative or ketone reactant |
207 | With carboxylic acid or derivative reactant |
300 | FROM CARBOHYDRATE OR DERIVATIVE AS A REACTANT |
301 | With N=C=X reactant wherein X is chalcogen |
303 | With phenolic reactant |
304 | With ketone reactant other than as a ketose |
305 | With aldehyde or derivative as a reactant other than as an aldose |
310 | With phosphorus-containing reactant |
311 | With di- or higher ester of polycarboxylic acid; or with polycarboxylic acid or derivative and a compound containing two or more hydroxyl groups or salts thereof as reactants |
312 | With nitrogen-containing reactant |
313 | Ethylenically unsaturated reactant |
400 | FROM LIGNIN, TANNIN, OR DERIVATIVE REACTANT |
500 | FROM COAL OR BITUMINOUS MATERIAL, EXTRACT OR DERIVATIVE THEREOF, OR FATTY STILL RESIDUE REACTANT |
501 | With polyepoxide reactant or N=C=X reactant wherein X is chalcogen |
503 | With phenolic reactant or aldehyde reactant |
600 | FROM NATURAL RESIN OR DERIVATIVE REACTANT EXCLUDING TALL OIL OR DERIVATIVE |
FOREIGN ART COLLECTIONS | ||
FOR000 | CLASS-RELATED FOREIGN DOCUMENTS |
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