US PATENT SUBCLASS 508 / 517
.~.~.~ Plural carbons bonded directly to the chalcogen (e.g., ethers, 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}
516  DF  .~.~ Chalcogen attached indirectly to the -C(=O)O- group by nonionic bonding {3}
517.~.~.~ Plural carbons bonded directly to the chalcogen (e.g., ethers, etc.)

DEFINITION

Classification: 508/517

Plural carbons bonded directly to the chalcogen (e.g., ethers, etc.):

(under subclass 516) Compositions wherein the chalcogen is bonded directly to plural carbons.

(1) Note. An example of a component provided for herein is CH3CH2[end subscrpt]OCH2CH2[end subscrpt]COONa