US PATENT SUBCLASS 523 / 156
.~.~.~.~.~ Containing at least two organic materials, e.g., binder plus other organic material, etc.

Current as of: June, 1999
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523 /   HD   SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES

*  DD  SYNTHETIC RESINS (Class 520, Subclass 1) {1}
1  DF  .~ PROCESSES OF PREPARING A DESIRED OR INTENTIONAL COMPOSITION OF AT LEAST ONE NONREACTANT MATERIAL AND AT LEAST ONE SOLID POLYMER OR SPECIFIED INTERMEDIATE CONDENSATION PRODUCT, OR PRODUCT THEREOF {71}
149  DF  .~.~ Friction element composition or process of preparing {2}
152  DF  .~.~.~ For wheeled vehicle {4}
155  DF  .~.~.~.~ Composition devoid of asbestos {1}
156.~.~.~.~.~ Containing at least two organic materials, e.g., binder plus other organic material, etc.

DEFINITION

Classification: 523/156

Containing at least two organic materials, e.g., binder plus other organic material, etc.:

(under subclass 155) Subject matter wherein the composition contains at least two organic materials.

(1) Note. Included herein is an asbestos-free composition containing two organic binders.

(2) Note. The organic material may be in monomeric or polymeric form and may be either liquid, solid, or gas.