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:
Jul. 09, 1996

Filed:

Mar. 10, 1995
Applicant:
Inventors:

Paul H Sandstrom, Tallmadge, OH (US);

David J Zanzig, Uniontown, OH (US);

Mark S Sinsky, Akron, OH (US);

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08K / ; C08K / ;
U.S. Cl.
CPC ...
524262 ; 524265 ; 524267 ; 524493 ; 524495 ; 525316 ; 1522 / ;
Abstract

A rubber composition comprised of elastomer, silica, a silica coupler, 2-mercaptobenzothiazole and, optionally, carbon black, in which the silica, silica coupler and at least a portion of the 2-mercaptobenzothiazole are added in a non-productive mix stage. Pneumatic tires having treads comprised of such rubber composition are provided.


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