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. 29, 2003

Filed:

Sep. 14, 2000
Applicant:
Inventors:

Lawson Gibson Wideman, Hudson, OH (US);

Kevin James Pyle, Uniontown, OH (US);

Richard Robinson Smith, Cuyahoga Falls, OH (US);

Paul Harry Sandstrom, Tallmadge, OH (US);

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08K 3/30 ; C08K 3/36 ;
U.S. Cl.
CPC ...
C08K 3/30 ; C08K 3/36 ;
Abstract

This invention relates to a conjugated diene-based rubber composition reinforced with silica-based reinforcement together with a non-silane coupling agent as a combination of 1-thioglycerol(3-mercapto-1,2-propanediol) and 2,2′-benzothiazyl disulfide. Said coupling agent materials may be provided for mixing with said diene-based rubber(s), for example, as individual materials, as at least one of said materials being supported on a carbon black carrier or as being pre-reacted, or otherwise pre-treated, with synthetic silica aggregates. The invention includes an article of manufacture, including a tire, having at least one component comprised of such rubber composition.


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