US PATENT SUBCLASS 508 / 435
.~.~.~ Phosphorus acid salt with metal or ammonia (e.g., overbased or carbonated phosphorus acids, etc.)

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}
421  DF  .~ Organic phosphorus compound, wherein the phosphorus is single bonded directly to chalcogen by nonionic bonding (e.g., phosphorus acids, esters, etc.) {7}
433  DF  .~.~ Divalent chalcogen double bonded directly to the phosphorus {5}
435.~.~.~ Phosphorus acid salt with metal or ammonia (e.g., overbased or carbonated phosphorus acids, etc.)

DEFINITION

Classification: 508/435

Phosphorus acid salt with metal or ammonia (e.g., overbased or carbonated phosphorus acids, etc.):

(under subclass 433) Compositions wherein the organic phosphorus compound is a phosphorus acid in the form of its salt with metal or ammonia.