US PATENT SUBCLASS 508 / 431
.~.~.~ Plural carbons bonded directly to the chalcogen or to a chain of chalcogens

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}
421  DF  .~ Organic phosphorus compound, wherein the phosphorus is single bonded directly to chalcogen by nonionic bonding (e.g., phosphorus acids, esters, etc.) {7}
429  DF  .~.~ Chalcogen attached indirectly to the phosphorus by nonionic bonding {2}
431.~.~.~ Plural carbons bonded directly to the chalcogen or to a chain of chalcogens {1}
432  DF  .~.~.~.~> The chalcogen is sulfur, or the chain of chalcogens is a chain of sulfurs

DEFINITION

Classification: 508/431

Plural carbons bonded directly to the chalcogen or to a chain of chalcogens:

(under subclass 429) Compositions wherein the chalcogen or a chain of chalcogens is bonded directly to plural carbons.

(1) Note. An example of a component provided for herein is [C8H17[end subscrpt]-(OCH2CH2[end subscrpt])3-O]3[end subscrpt]P=O