US PATENT SUBCLASS 508 / 205
.~.~ Phosphorus or -C(=X), wherein X is chalcogen, attached indirectly to the silicon by nonionic bonding

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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}
205.~.~ Phosphorus or -C(=X), wherein X is chalcogen, attached indirectly to the silicon by nonionic bonding

DEFINITION

Classification: 508/205

Phosphorus or -C(=X), wherein X is chalcogen, attached indirectly to the silicon by nonionic bonding:

(under subclass 202) Compositions wherein the silicon is attached indirectly by nonionic bonding to phosphorus or to -C(=X)-, wherein X is chalcogen (i.e., oxygen, sulfur, selenium, or tellurium).

(1) Note. Examples of components provided for herein are CH3(C4[end subscrpt]H9)2[end subscrpt]SiCH2P(C6[end subscrpt]H5)2 and (C6H5[end subscrpt])3[end subscrpt]Si-O-C(=O)-CF2[end subscrpt]-C(=O)O-Si(C6[end subscrpt]H5)3[end subscrpt]