US PATENT SUBCLASS 508 / 224
.~.~.~ An additional reactant contains phosphorus


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}
221  DF  .~ Compound of indeterminate structure, prepared by reacting a heterocyclic compound of known structure; a heterocyclic ring is one having as ring members only carbon and at least one hetero atom selected from nitrogen and chalcogen (oxygen, sulfur, selenium, or tellurium) {9}
223  DF  .~.~ The heterocyclic compound reactant contains a three- or four-membered hetero ring (e.g., aziridine, epoxy compounds, oxetane, etc.) {2}
224.~.~.~ An additional reactant contains phosphorus


DEFINITION

Classification: 508/224

An additional reactant contains phosphorus:

(under subclass 223) Compositions wherein phosphorus is present in an additional reactant.