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. 11, 1986
Filed:
Apr. 06, 1984
Noboru Oshima, Suzuka, JP;
Isamu Shimizu, Kameyama, JP;
Mikio Takeuchi, Yokkaichi, JP;
Tatsuo Fujimaki, Higashimurayama, JP;
Shinsuke Yamaguchi, Higashikurume, JP;
Bridgestone Tire Company Limited, both of, JP;
Japan Synthetic Rubber Company Limited, both of, JP;
Abstract
Disclosed herein is a rubber composition comprising at least 20% by weight of styrene-butadiene copolymer based on the total weight of the rubber content. The styrene-butadiene copolymer is obtained by randomly copolymerizing styrene with 1,3-butadiene in a hydrocarbon solvent in the presence of an organolithium compound as an initiator and then subjecting to a coupling reaction with a polyfunctional coupling agent, and contains 30-70% by weight of branched polymers therein, and has the following properties:
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile