US PATENT SUBCLASS 508 / 291
.~.~.~.~.~ Nitrogen attached indirectly to the hetero ring by nonionic bonding (e.g., bis-succinimide compounds, 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}
243  DF  .~ Heterocyclic ring compound; a heterocyclic ring is one having as ring members only carbon and at least one hetero atom selected from nitrogen and chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) {4}
268  DF  .~.~ The hetero ring contains five members including nitrogen and carbon (e.g., polyvinylpyrrolidone, etc.) {4}
287  DF  .~.~.~ Plural oxygens double bonded directly to ring carbons of the hetero ring which are adjacent to the ring nitrogen {4}
290  DF  .~.~.~.~ Additional oxygen attached directly or indirectly to the hetero ring by nonionic bonding {1}
291.~.~.~.~.~ Nitrogen attached indirectly to the hetero ring by nonionic bonding (e.g., bis-succinimide compounds, etc.) {1}
292  DF  .~.~.~.~.~.~> The oxygen is part of an ether linkage or is bonded directly to a benzene ring

DEFINITION

Classification: 508/291

Nitrogen attached indirectly to the hetero ring by nonionic bonding (e.g., bis-succinimide compounds, etc.):

(under subclass 290) Compositions wherein the hetero ring is attached indirectly to nitrogen by nonionic bonding.

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