US PATENT SUBCLASS 508 / 133-- .~ Asphalt, pitch, pitch distillate, or chemically reacted asphalt or pitch (e.g., sulfurized, salified, reduced, blown, etc.)

US PATENT SUBCLASS 508 / 133
.~ Asphalt, pitch, pitch distillate, or chemically reacted asphalt or pitch (e.g., sulfurized, salified, reduced, blown, 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}
133		.~ Asphalt, pitch, pitch distillate, or chemically reacted asphalt or pitch (e.g., sulfurized, salified, reduced, blown, etc.) {1}
134	DF	.~.~> With carboxylic acid or salt thereof

DEFINITION

Classification: 508/133

Asphalt, pitch, pitch distillate, or chemically reacted asphalt or pitch (e.g., sulfurized, salified, reduced, blown, etc.):

(under subclass 110) Compositions which contain chemically reacted asphalt, chemically reacted pitch, pitch distillate, pitch, or asphalt.

(1) Note. Pitch, pitch distillate, and asphalt are generally considered as mineral oils.

SEE OR SEARCH CLASS

208, Mineral Oils: Processes and Products, especially

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