US PATENT SUBCLASS 423 / 449.7
.~.~.~.~ Tire

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


423 /   HD   CHEMISTRY OF INORGANIC COMPOUNDS

414  DF  CARBON OR COMPOUND THEREOF {3}
445 R  DF  .~ Elemental carbon {7}
449.1  DF  .~.~ Carbon black (e.g., lampblack) {6}
449.6  DF  .~.~.~ Utilizing synthetic polymer as reactant {1}
449.7.~.~.~.~ Tire

DEFINITION

Classification: 423/449.7

Tire:

(under subclass 449.6) Processes wherein the polymer is obtained from tires or parts thereof.

(1) Note. Included in this subclass are polymeric material from scrap tires composed of compounds that include those produced by vulcanization of natural or synthetic rubber.