Manual of U.S. Patent Classification
as of June 30, 2000

Class
527
SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES

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Subclass definitions may be accessed by clicking on the subclass number, below.

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Subclass		Title
ClassTitle		===> SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES
		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)
100		. FROM REACTANT WHICH IS A CELLULAR MATERIAL DERIVED FROM PLANT OR ANIMAL SOURCE AND IS OTHER THAN DIATOMACEOUS EARTH, BLOOD, COTTON, OR FARINACEOUS FLOUR, E.G., CITRUS PULP, WALNUT SHELL FLOUR, ETC.
101		. . Animal derived, e.g., hair, leather, horn, etc.
102		. . . With ethylenic reactant
103		. . Wood or wood cellulose fiber or flour
105		. . . With aldehyde or derivative
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
206		. . . With phenolic 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
302		. . . Oxyalkylated carbohydrate
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
306		. . . Ethylenically unsaturated reactant
309		. . . Nitrogen-containing reactant
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
314		. . . Unsaturated carboxylic acid or derivative reactant
315		. . . With heterocyclic reactant other than carbohydrate
400		. FROM LIGNIN, TANNIN, OR DERIVATIVE REACTANT
401		. . With N=C=X reactant wherein X is chalcogen or polyepoxide reactant
403		. . With phenolic 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
601		. . With polyepoxide reactant
602		. . With phenolic reactant
603		. . . With ethylenically unsaturated reactant
604		. . With polycarboxylic acid or derivative and a compound having two or more hydroxyl groups as reactants

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Last Modified: 6 October 2000