US PATENT SUBCLASS 508 / 132
.~ Tar, tar distillate, or chemically reacted tar or tar distillate

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}
132.~ Tar, tar distillate, or chemically reacted tar or tar distillate

DEFINITION

Classification: 508/132

Tar, tar distillate, or chemically reacted tar or tar distillate:

(under subclass 110) Compositions which contain a chemically reacted tar, a chemically reacted tar distillate, a tar distillate, or tar.

(1) Note. Tar and tar distillate are generally considered as mineral oils.

(2) Note. An example of chemically reacted tar provided for herein is sulfurized tar.

SEE OR SEARCH CLASS

208, Mineral Oils: Processes and Products, especially

18+, for lubricant compositions which are mixtures of mineral oils only.