US Patent 7552752 Rubber composition for base tread

Patent 7552752 was granted and assigned to Sumitomo Rubber Industries on June, 2009 by the United States Patent and Trademark Office.

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Patent

Patent attributes

Current Assignee

Sumitomo Rubber Industries

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

7552752

Date of Patent

June 30, 2009

Patent Application Number

11846395

Date Filed

August 28, 2007

Patent Primary Examiner

‌

Fred M Teskin

Patent abstract

The object of the present invention is to provide a rubber composition for base tread enhancing a low fuel consumption property of a vehicle. A rubber composition for base tread comprises a rubber composition containing 15 to 80% by weight of a butadiene rubber obtained by copolymerizing a compound represented by the formula 1,

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