US PATENT SUBCLASS 508 / 396
.~.~.~.~ Prepared with, or in the presence of, a nitrogen-containing material

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}
388  DF  .~ Organic sulfur compound, wherein the sulfur is single bonded directly to oxygen (e.g., sulfites, etc.) {2}
390  DF  .~.~ The sulfur is part of an -O-S(=O)(=O)- group (i.e., sulfonates) {12}
391  DF  .~.~.~ Overbased or carbonated sulfonates {7}
396.~.~.~.~ Prepared with, or in the presence of, a nitrogen-containing material {1}
397  DF  .~.~.~.~.~> The nitrogen-containing material is an ammonium salt or a substituted ammonium salt

DEFINITION

Classification: 508/396

Prepared with, or in the presence of, a nitrogen containing material:

(under subclass 391) Compositions wherein the overbased or carbonated sulfonate is prepared (1) by reacting a nitrogen containing material, or (2) in the presence of a nitrogen containing material.