US PATENT SUBCLASS 508 / 580
.~.~.~ Ring bonded directly to the ether oxygen

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}
577  DF  .~ Organic oxygen compound {3}
579  DF  .~.~ Ethers {2}
580.~.~.~ Ring bonded directly to the ether oxygen {1}
581  DF  .~.~.~.~> Two rings bonded directly to the ether oxygen

DEFINITION

Classification: 508/580

Ring bonded directly to the ether oxygen:

(under subclass 579) Compositions wherein the ether oxygen is bonded directly to a ring.

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