US PATENT SUBCLASS 508 / 226
.~.~ The heterocyclic compound reactant is sulfurized by means of an inorganic sulfurizing agent

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}
226.~.~ The heterocyclic compound reactant is sulfurized by means of an inorganic sulfurizing agent

DEFINITION

Classification: 508/226

The heterocyclic compound reactant is sulfurized by means of an inorganic sulfurizing agent:

(under subclass 221) Compositions wherein an inorganic sulfurizing agent is reacted with the heterocyclic compound reactant.

(1) Note. The most common inorganic sulfurizing agents are sulfur halide and elemental sulfur.