US PATENT SUBCLASS 508 / 502
.~.~.~.~ The chalcogen and the carbon of the -C(=O)O- group are bonded to a single benzene ring (e.g., salicylic 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}
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}
501  DF  .~.~.~ Chalcogen attached indirectly to the -C(=O)O-group by nonionic bonding (e.g., pentaerythritol monooleate, etc.) {2}
502.~.~.~.~ The chalcogen and the carbon of the -C(=O)O- group are bonded to a single benzene ring (e.g., salicylic acid esters, etc.)

DEFINITION

Classification: 508/502

The chalcogen and the carbon of the-C(=O)O- group are bonded to a single benzene ring (e.g., salicylic acid esters, etc.):

(under subclass 501) Compositions wherein a single benzene ring is bonded to the chalcogen and to the carbon of the -C(=O)O- group.

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