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:
Mar. 31, 2009
Filed:
Jul. 01, 2004
Eiju Suzuki, Kodaira, JP;
Yoichi Ozawa, Kodaira, JP;
Shojiro Kaita, Shiki, JP;
Yasuo Wakatsuki, Shiki, JP;
Eiju Suzuki, Kodaira, JP;
Yoichi Ozawa, Kodaira, JP;
Shojiro Kaita, Shiki, JP;
Yasuo Wakatsuki, Shiki, JP;
Bridgestone Corporation, Tokyo, JP;
Abstract
The invention relates to a pneumatic tire having excellent mechanical properties by using a rubber composition containing a polybutadiene rubber having a high cis-1,4 bond content, a low vinyl bond content and proper number average molecular weight and molecular weight distribution, and more particularly to a pneumatic tire characterized in that a rubber composition including a polybutadiene with a cis-1,4 bond content of not less than 99.0% and a vinyl bond content of not more than 0.3% as measured by a Fourier transform infrared spectroscopy is used in any one of tire members.