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:
Oct. 20, 2015
Filed:
Apr. 01, 2013
Applicant:
Bridgestone Corporation, Tokyo, JP;
Inventors:
Terrence E. Hogan, Uniontown, OH (US);
William L. Hergenrother, Akron, OH (US);
David M. Roggeman, North Royalton, OH (US);
Assignee:
Bridgestone Corporation, Tokyo, JP;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08F 4/48 (2006.01); C08F 4/46 (2006.01); C08F 236/10 (2006.01); C08F 36/04 (2006.01); C08F 236/04 (2006.01); C08F 4/08 (2006.01); C08F 8/42 (2006.01);
U.S. Cl.
CPC ...
C08F 236/10 (2013.01); C08F 4/08 (2013.01); C08F 36/04 (2013.01); C08F 236/04 (2013.01); C08F 4/086 (2013.01);
Abstract
A method of preparing a polymer, the method comprising: metalating an organophosphine compound in the substantial absence of monomer to form a metalated organophosphine; and introducing the metalated organophosphine to monomer including conjugated diene monomer to form a reactive polymer.