US PATENT SUBCLASS 508 / 397
.~.~.~.~.~ The nitrogen-containing material is an ammonium salt or a substituted ammonium salt

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  DF  .~.~.~.~ Prepared with, or in the presence of, a nitrogen-containing material {1}
397.~.~.~.~.~ The nitrogen-containing material is an ammonium salt or a substituted ammonium salt

DEFINITION

Classification: 508/397

The nitrogen containing material is an ammonium salt or a substituted ammonium salt:

(under subclass 396) Compositions wherein an ammonium salt or a substituted ammonium salt serves as the nitrogen containing material.