US PATENT SUBCLASS 508 / 496
.~.~.~.~ Mono-, di-, or polyester of polycarboxylic acid


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}
496.~.~.~.~ Mono-, di-, or polyester of polycarboxylic acid {3}
497  DF  .~.~.~.~.~> Non-carboxylate chalcogen attached indirectly to the -C(=O)O- groups by nonionic bonding (e.g., tartaric acid esters, etc.)
498  DF  .~.~.~.~.~> With carboxylic acid or carboxylic acid salt
499  DF  .~.~.~.~.~> With hydrocarbon polymer, organic halogen compound, or organic non-carboxylic acid ester chalcogen compound


DEFINITION

Classification: 508/496

Mono-, di-, or polyester of polycarboxylic acid:

(under subclass 465) Compositions wherein the specified carboxylic acid ester is a polycarboxylic acid ester which is mono-, di- or polyesterified.

(1) Note. An example of a component provided for herein is [figure]