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