USPC Patent Classifications

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Class 527 synthetic resins or natural rubbers -- part of the class 520 series
uspcdescription
527/100527 synthetic resins or natural rubbers -- part of the class 520 series/() 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.
527/101527 synthetic resins or natural rubbers -- part of the class 520 series/() 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.
527/102527 synthetic resins or natural rubbers -- part of the class 520 series/() 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
527/103527 synthetic resins or natural rubbers -- part of the class 520 series/() 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. (103) wood or wood cellulose fiber or flour
527/105527 synthetic resins or natural rubbers -- part of the class 520 series/() 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. (103) wood or wood cellulose fiber or flour (105) with aldehyde or derivative
527/200527 synthetic resins or natural rubbers -- part of the class 520 series/() synthetic resins (class 520, subclass 1) (200) from protein or biologically active polypeptide reactant
527/201527 synthetic resins or natural rubbers -- part of the class 520 series/() synthetic resins (class 520, subclass 1) (200) from protein or biologically active polypeptide reactant (201) with ethylenically unsaturated reactant
527/202527 synthetic resins or natural rubbers -- part of the class 520 series/() 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
527/203527 synthetic resins or natural rubbers -- part of the class 520 series/() synthetic resins (class 520, subclass 1) (200) from protein or biologically active polypeptide reactant (201) with ethylenically unsaturated reactant (203) with nonethylenically unsaturated reactant
527/204527 synthetic resins or natural rubbers -- part of the class 520 series/() synthetic resins (class 520, subclass 1) (200) from protein or biologically active polypeptide reactant (204) with n=c=x reactant wherein x is chalcogen
527/205527 synthetic resins or natural rubbers -- part of the class 520 series/() synthetic resins (class 520, subclass 1) (200) from protein or biologically active polypeptide reactant (205) with aldehyde or derivative or ketone reactant
527/206527 synthetic resins or natural rubbers -- part of the class 520 series/() synthetic resins (class 520, subclass 1) (200) from protein or biologically active polypeptide reactant (205) with aldehyde or derivative or ketone reactant (206) with phenolic reactant
527/207527 synthetic resins or natural rubbers -- part of the class 520 series/() synthetic resins (class 520, subclass 1) (200) from protein or biologically active polypeptide reactant (207) with carboxylic acid or derivative reactant
527/300527 synthetic resins or natural rubbers -- part of the class 520 series/() synthetic resins (class 520, subclass 1) (300) from carbohydrate or derivative as a reactant
527/301527 synthetic resins or natural rubbers -- part of the class 520 series/() synthetic resins (class 520, subclass 1) (300) from carbohydrate or derivative as a reactant (301) with n=c=x reactant wherein x is chalcogen
527/302527 synthetic resins or natural rubbers -- part of the class 520 series/() synthetic resins (class 520, subclass 1) (300) from carbohydrate or derivative as a reactant (301) with n=c=x reactant wherein x is chalcogen (302) oxyalkylated carbohydrate
527/303527 synthetic resins or natural rubbers -- part of the class 520 series/() synthetic resins (class 520, subclass 1) (300) from carbohydrate or derivative as a reactant (303) with phenolic reactant
527/304527 synthetic resins or natural rubbers -- part of the class 520 series/() synthetic resins (class 520, subclass 1) (300) from carbohydrate or derivative as a reactant (304) with ketone reactant other than as a ketose
527/305527 synthetic resins or natural rubbers -- part of the class 520 series/() synthetic resins (class 520, subclass 1) (300) from carbohydrate or derivative as a reactant (305) with aldehyde or derivative as a reactant other than as an aldose
527/306527 synthetic resins or natural rubbers -- part of the class 520 series/() synthetic resins (class 520, subclass 1) (300) from carbohydrate or derivative as a reactant (305) with aldehyde or derivative as a reactant other than as an aldose (306) ethylenically unsaturated reactant
527/309527 synthetic resins or natural rubbers -- part of the class 520 series/() synthetic resins (class 520, subclass 1) (300) from carbohydrate or derivative as a reactant (305) with aldehyde or derivative as a reactant other than as an aldose (309) nitrogen-containing reactant
527/310527 synthetic resins or natural rubbers -- part of the class 520 series/() synthetic resins (class 520, subclass 1) (300) from carbohydrate or derivative as a reactant (310) with phosphorus-containing reactant
527/311527 synthetic resins or natural rubbers -- part of the class 520 series/() synthetic resins (class 520, subclass 1) (300) from carbohydrate or derivative as a 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
527/312527 synthetic resins or natural rubbers -- part of the class 520 series/() synthetic resins (class 520, subclass 1) (300) from carbohydrate or derivative as a reactant (312) with nitrogen-containing reactant
527/313527 synthetic resins or natural rubbers -- part of the class 520 series/() synthetic resins (class 520, subclass 1) (300) from carbohydrate or derivative as a reactant (313) ethylenically unsaturated reactant
527/314527 synthetic resins or natural rubbers -- part of the class 520 series/() synthetic resins (class 520, subclass 1) (300) from carbohydrate or derivative as a reactant (313) ethylenically unsaturated reactant (314) unsaturated carboxylic acid or derivative reactant
527/315527 synthetic resins or natural rubbers -- part of the class 520 series/() synthetic resins (class 520, subclass 1) (300) from carbohydrate or derivative as a reactant (313) ethylenically unsaturated reactant (315) with heterocyclic reactant other than carbohydrate
527/400527 synthetic resins or natural rubbers -- part of the class 520 series/() synthetic resins (class 520, subclass 1) (400) from lignin, tannin, or derivative reactant
527/401527 synthetic resins or natural rubbers -- part of the class 520 series/() synthetic resins (class 520, subclass 1) (400) from lignin, tannin, or derivative reactant (401) with n=c=x reactant wherein x is chalcogen or polyepoxide reactant
527/403527 synthetic resins or natural rubbers -- part of the class 520 series/() synthetic resins (class 520, subclass 1) (400) from lignin, tannin, or derivative reactant (403) with phenolic reactant
527/500527 synthetic resins or natural rubbers -- part of the class 520 series/() synthetic resins (class 520, subclass 1) (500) from coal or bituminous material, extract or derivative thereof, or fatty still residue reactant
527/501527 synthetic resins or natural rubbers -- part of the class 520 series/() synthetic resins (class 520, subclass 1) (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
527/503527 synthetic resins or natural rubbers -- part of the class 520 series/() synthetic resins (class 520, subclass 1) (500) from coal or bituminous material, extract or derivative thereof, or fatty still residue reactant (503) with phenolic reactant or aldehyde reactant
527/600527 synthetic resins or natural rubbers -- part of the class 520 series/() synthetic resins (class 520, subclass 1) (600) from natural resin or derivative reactant excluding tall oil or derivative
527/601527 synthetic resins or natural rubbers -- part of the class 520 series/() synthetic resins (class 520, subclass 1) (600) from natural resin or derivative reactant excluding tall oil or derivative (601) with polyepoxide reactant
527/602527 synthetic resins or natural rubbers -- part of the class 520 series/() synthetic resins (class 520, subclass 1) (600) from natural resin or derivative reactant excluding tall oil or derivative (602) with phenolic reactant
527/603527 synthetic resins or natural rubbers -- part of the class 520 series/() synthetic resins (class 520, subclass 1) (600) from natural resin or derivative reactant excluding tall oil or derivative (602) with phenolic reactant (603) with ethylenically unsaturated reactant
527/604527 synthetic resins or natural rubbers -- part of the class 520 series/() synthetic resins (class 520, subclass 1) (600) from natural resin or derivative reactant excluding tall oil or derivative (604) with polycarboxylic acid or derivative and a compound having two or more hydroxyl groups as reactants

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