US PATENT SUBCLASS 508 / 294
.~.~.~.~.~ With organic phosphorus compound

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}
293  DF  .~.~.~.~ Nitrogen attached directly or indirectly to the hetero ring by nonionic bonding {2}
294.~.~.~.~.~ With organic phosphorus compound

DEFINITION

Classification: 508/294

With organic phosphorus compound:

(under subclass 293) Compositions which contain, in addition to the hetero ring containing component, an organic phosphorus compound.

(1) Note. An organic phosphorus compound is one wherein phosphorus is attached directly or indirectly by nonionic bonding to carbon of an organic compound.

(2) Note. See Notes to the Class Definition for the definition of an organic compound.