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:
Sep. 15, 2015
Filed:
Jun. 27, 2011
Applicants:
Guozhu Yu, Beijing, CN;
Lin Xu, Beijing, CN;
Xinhe Kang, Beijing, CN;
Nini Wang, Beijing, CN;
Hui Liu, Beijing, CN;
Chuanqing LI, Beijing, CN;
Inventors:
Guozhu Yu, Beijing, CN;
Lin Xu, Beijing, CN;
Xinhe Kang, Beijing, CN;
Nini Wang, Beijing, CN;
Hui Liu, Beijing, CN;
Chuanqing Li, Beijing, CN;
Assignees:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08F 2/00 (2006.01); C08F 299/00 (2006.01); C08J 5/14 (2006.01); C08F 297/04 (2006.01); B60C 1/00 (2006.01);
U.S. Cl.
CPC ...
C08F 297/044 (2013.01); B60C 1/0016 (2013.04);
Abstract
Provided is a copolymer rubber, comprising a copolymer having a star-shaped block structure (SIB-PA)-X, wherein SIB is a block comprising styrene, butadiene, and isoprene as constituent monomers; PA is a block comprising butadiene or isoprene as a constituent monomer; X is the residue of at least one coupling agent; and n=2-4. Also provided is a process for preparing the copolymer rubber and use thereof.