US PATENT SUBCLASS 508 / 162
.~.~.~ Oxygen bonded directly to the phosphorus (e.g., orthophosphoric acid, phosphate salts, 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}
154  DF  .~ Inorganic compound (except water) (Overbased or carbonated organic acidic compounds are not classified in this subclass or its indents on the basis of inorganic overbasing or carbonating agents; the overbased or carbonated compounds are treated as complexes, and are classified with the particular organic acidic compound) {8}
161  DF  .~.~ The inorganic compound contains phosphorus or silicon (e.g., phosphorus sulfide, etc.) {2}
162.~.~.~ Oxygen bonded directly to the phosphorus (e.g., orthophosphoric acid, phosphate salts, etc.)

DEFINITION

Classification: 508/162

Oxygen bonded directly to the phosphorus (e.g., orthophosphoric acid, phosphate salts, etc.):

(under subclass 161) Compositions wherein the phosphorus is bonded directly to oxygen.

(1) Note. Examples of components provided for herein are phosphoric acid and ammonium polyphosphate.