US PATENT SUBCLASS 508 / 241
.~.~.~ An additional reactant is a copolymer having ethylene and acyclic olefin monomers (e.g., ethylene-alpha olefin copolymer or ethylene-butylene- -styrene terpolymer grafted with maleic anhydride, etc.)

Current as of: June, 1999
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508 /   HD   SOLID ANTI-FRICTION DEVICES, MATERIALS THEREFOR, LUBRICANT OR SEPARATE COMPOSITIONS FOR MOVING SOLID SURFACES, AND MISCELLANEOUS MINERAL OIL COMPOSITIONS

110  DF  LUBRICANTS OR SEPARANTS FOR MOVING SOLID SURFACES AND MISCELLANEOUS MINERAL OIL COMPOSITIONS (E.G., WATER CONTAINING, ETC.) {53}
221  DF  .~ Compound of indeterminate structure, prepared by reacting a heterocyclic compound of known structure; a heterocyclic ring is one having as ring members only carbon and at least one hetero atom selected from nitrogen and chalcogen (oxygen, sulfur, selenium, or tellurium) {9}
232  DF  .~.~ The heterocyclic compound reactant contains a carboxylic acid anhydride ring {7}
241.~.~.~ An additional reactant is a copolymer having ethylene and acyclic olefin monomers (e.g., ethylene-alpha olefin copolymer or ethylene-butylene- -styrene terpolymer grafted with maleic anhydride, etc.)

DEFINITION

Classification: 508/241

An additional reactant is a copolymer having ethylene and acyclic olefin monomers (e.g., ethylene-alpha olefin copolymer or ethylene-butylene-styrene terpolymer grafted with maleic anhydride, etc.):

(under subclass 232) Compositions wherein a copolymer having acyclic olefin and ethylene monomers is an additional reactant.