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.
Patent No.:
Date of Patent:
Jun. 11, 2013
Filed:
Aug. 31, 2009
Jennifer Lyn Ryba, Wadsworth, OH (US);
Paul Harry Sandstrom, Cuyahoga Falls, OH (US);
Steven Wayne Cronin, Akron, OH (US);
Bret Herbert Marts, Cuyahoga Falls, OH (US);
Jennifer Lyn Ryba, Wadsworth, OH (US);
Paul Harry Sandstrom, Cuyahoga Falls, OH (US);
Steven Wayne Cronin, Akron, OH (US);
Bret Herbert Marts, Cuyahoga Falls, OH (US);
The Goodyear Tire & Rubber Company, Akron, OH (US);
Abstract
This invention relates to a pneumatic tire with an outer, running surface containing, circumferential tread comprised of a styrene/butadiene (SBR) rich rubber composition containing two SBR's with spaced apart glass transition temperatures (Tg's), one of which is a functionalized SBR with a functional group reactive with hydroxyl groups on a precipitated silica, together with a combination of at least three resins with spaced apart softening points. The filler reinforcement is a combination of precipitated silica and specialized rubber reinforcing carbon black.