US PATENT SUBCLASS 508 / 178
.~.~.~ The inorganic compound is a metal hydroxide or metal oxide

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}
175  DF  .~.~ With organic -C(=O)O- compound (e.g., ester waxes, etc.) {3}
178.~.~.~ The inorganic compound is a metal hydroxide or metal oxide

DEFINITION

Classification: 508/178

The inorganic compound is a metal hydroxide or metal oxide:

(under subclass 175) Compositions wherein the inorganic compound is present as a metal hydroxide or as a metal oxide.

(1) Note. To be provided for herein, the hydroxide or oxide must be present by intention, rather than merely in a trace amount remaining from, e.g., a saponification reaction.