US PATENT SUBCLASS 508 / 214
.~.~.~.~.~ The single bonded oxygen is bonded directly to an additional carbon (e.g., carboxylic acid esters, 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}
202  DF  .~ Organic compound containing silicon (e.g., silicon esters) {5}
207  DF  .~.~ Carbon or hydrogen bonded directly to the silicon {1}
208  DF  .~.~.~ Two silicons bonded directly to the same chalcogen (e.g., methylphenyl silicon, etc.) {3}
212  DF  .~.~.~.~ With organic -C(=O)O- compound (e.g., lithium 12-hydroxystearate, etc.) {2}
214.~.~.~.~.~ The single bonded oxygen is bonded directly to an additional carbon (e.g., carboxylic acid esters, etc.)

DEFINITION

Classification: 508/214

The single bonded oxygen is bonded directly to an additional carbon (e.g., carboxylic acid esters, etc.):

(under subclass 212) Compositions wherein an additional carbon is bonded directly to the single bonded oxygen of the -C(=O)O- group.

(1) Note. The most common type of additional component provided for herein is a carboxylic acid ester.