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:
Nov. 09, 2010
Filed:
Feb. 05, 2007
Applicants:
Zhaomin Hou, Wako, JP;
Lixin Zhang, Wako, JP;
Inventors:
Zhaomin Hou, Wako, JP;
Lixin Zhang, Wako, JP;
Assignee:
Riken, Saitama, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 36/08 (2006.01); C08F 36/04 (2006.01); C08F 4/44 (2006.01);
U.S. Cl.
CPC ...
Abstract
3,4-isoprene-based polymer having high isotacticity can be produced by polymerizing an isoprene compound using a complex represented by the general formula (A) and a catalyst activator: