US PATENT SUBCLASS 508 / 471
.~.~.~.~.~.~ Having -C(=X)- wherein X is chalcogen, bonded directly to the nitrogen (e.g., acrylamide-methyl acrylate copolymer, 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}
459  DF  .~ Organic -C(=O)O- compound {19}
463  DF  .~.~ Specified compound wherein the single bonded oxygen is bonded oxygen is bonded directly to an additional carbon, which carbon may be single bonded to any atom but may be multiple bonded only to carbon (i.e., specified carboxylic acid ester) {6}
465  DF  .~.~.~ Plural -C(=O)O- groups attached directly or indirectly to each other by nonionic bonding (e.g., estolides of hydroxy carboxylic acids, etc.) {8}
469  DF  .~.~.~.~ Polymer of alpha, beta-olefinically unsaturated carboxylate monomer (e.g., polymethylmethacrylate, etc.) {4}
470  DF  .~.~.~.~.~ Nitrogen attached indirectly to the -C(=O)O- groups by nonionic bonding (e.g., lauryl methacrylate-diethylaminomethyl-acrylate copolymer, etc.) {1}
471.~.~.~.~.~.~ Having -C(=X)- wherein X is chalcogen, bonded directly to the nitrogen (e.g., acrylamide-methyl acrylate copolymer, etc.)

DEFINITION

Classification: 508/471

Having -C(=X)-, wherein X is chalcogen, bonded directly to the nitrogen (e.g., acrylamide-methyl acrylate copolymer, etc.):

(under subclass 470) Compositions wherein the nitrogen is bonded directly to -C(=X)-, wherein X is chalcogen (i.e., oxygen, sulfur, selenium, or tellurium).