The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Nov. 05, 2002

Filed:

Feb. 25, 2000
Applicant:
Inventors:

Lawson Gibson Wideman, Hudson, OH (US);

Paul Harry Sandstrom, Tallmadge, OH (US);

Sandra Jean Walters, Stow, OH (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08K 5/17 ;
U.S. Cl.
CPC ...
C08K 5/17 ;
Abstract

This invention relates to rubber compositions comprised of cis-1,4-polyisoprene and a 4,4′-(para or meta-phenylenediisopropylidine) dianiline and to articles of manufacture having at least one component comprised thereof, including tires. The 4,4′-(phenylenediisopropylidine) dianiline acid has been observed to enhance green strength of such rubber composition.


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