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:
Jan. 22, 2019
Filed:
Sep. 09, 2015
Applicant:
Sumitomo Chemical Company, Limited, Tokyo, JP;
Inventor:
Koichiro Tajima, Pittsburgh, PA (US);
Assignee:
SUMITOMO CHEMICAL COMPANY, LIMITED, Chuo-ku, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 236/10 (2006.01); C08F 8/00 (2006.01); C08L 15/00 (2006.01); C08C 19/22 (2006.01); C08C 19/25 (2006.01); C08C 19/44 (2006.01); C08F 236/06 (2006.01); C08L 9/06 (2006.01);
U.S. Cl.
CPC ...
C08F 236/10 (2013.01); C08C 19/22 (2013.01); C08C 19/25 (2013.01); C08C 19/44 (2013.01); C08F 8/00 (2013.01); C08F 236/06 (2013.01); C08L 9/06 (2013.01); C08L 15/00 (2013.01);
Abstract
Disclosed is a conjugated diene polymer obtained by a polymerization reaction in a polymerization solution comprising a conjugated diene, a compound represented by the following formula (1) or formula (2), and an organoalkali metal compound as a polymerization initiator: wherein Rin formula (1) represents an alkenyl group having 2 or more and 10 or less carbon atoms.