US PATENT SUBCLASS 508 / 440
.~.~.~ With organic -C(=O)O- compound

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}
440.~.~.~ With organic -C(=O)O- compound

DEFINITION

Classification: 508/440

With organic -C(=O)O- compound:

(under subclass 433) Compositions which contain, in addition to the organic phosphorus compound, an organic -C(=O)O- compound.

(1) Note. An organic -C(=O)O- compound is one wherein the carbon of the -C(=O)O- group is, or is attached directly or indirectly by nonionic bonding to, the carbon of an organic

compound.

(2) Note. See Notes to the Class Definition for the definition of an organic compound.