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:
Apr. 14, 1998

Filed:

Jul. 22, 1996
Applicant:
Inventors:

Paul Harry Sandstrom, Tallmadge, OH (US);

William Paul Francik, Bath, OH (US);

David John Zanzig, Uniontown, OH (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08K / ;
U.S. Cl.
CPC ...
524493 ; 524495 ;
Abstract

The present invention relates to a rubber composition reinforced with a combination of silica and defined carbon black and to pneumatic tires having treads comprised of such rubber composition. The reinforced rubber composition comprises in one aspect, at least one elastomer, defined carbon black, precipitated silica and at least one silica coupling agent.


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