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:
Feb. 28, 2012
Filed:
Mar. 24, 2009
Applicants:
Mayumi Oshima, Kanagawa, JP;
Toru Fujii, Chiba, JP;
Inventors:
Mayumi Oshima, Kanagawa, JP;
Toru Fujii, Chiba, JP;
Assignee:
Sumitomo Chemical Company, Limited, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 30/08 (2006.01); C08F 12/28 (2006.01); C08F 36/00 (2006.01); C08F 220/56 (2006.01); C08F 4/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A conjugated diene polymer is provided that includes a conjugated diene-based constituent unit and a group represented by Formula (I) below at both termini of a polymer chain. There are also provided a conjugated diene polymer composition formed by combining the conjugated diene polymer and a filler, a process for producing the conjugated diene polymer, a process for producing the conjugated diene polymer composition, a vulcanizate, and a process for producing the vulcanizate.