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:
Dec. 21, 2021
Filed:
Mar. 08, 2018
Applicant:
Bridgestone Corporation, Chuo-ku, JP;
Inventors:
Yuan-Yong Yan, Copley, OH (US);
Rita E. Cook, Akron, OH (US);
Assignee:
Bridgestone Corporation, Chuo-ku, JP;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08C 19/24 (2006.01); C08F 297/04 (2006.01); B60C 1/00 (2006.01); C08C 19/25 (2006.01); C08L 9/06 (2006.01);
U.S. Cl.
CPC ...
C08F 297/044 (2013.01); B60C 1/0016 (2013.01); C08C 19/25 (2013.01); C08L 9/06 (2013.01); C08L 2201/08 (2013.01); C08L 2205/025 (2013.01);
Abstract
Disclosed herein is a coupled polymer product comprising polymer with up to four polymer chains bonded to a functionalizing compound of formula II, wherein the polymer chains are comprised of conjugated diene-containing monomers optionally in combination with vinyl aromatic monomers and further include vinyl group-functionalized silane compound of formula I bonded within the polymer chain. Also disclosed are processes for producing the coupled polymer product as well as a rubber composition containing the coupled polymer product and tire components comprising the rubber composition.