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. 21, 2010
Filed:
Feb. 18, 2009
Applicants:
Kohtaro Osakada, Yokohama, JP;
Daisuke Takeuchi, Yokohama, JP;
Yusuke Fukuda, Yokohama, JP;
Osamu Ihata, Chiba, JP;
Hiroshi Kuribayashi, Ichihara, JP;
Inventors:
Kohtaro Osakada, Yokohama, JP;
Daisuke Takeuchi, Yokohama, JP;
Yusuke Fukuda, Yokohama, JP;
Osamu Ihata, Chiba, JP;
Hiroshi Kuribayashi, Ichihara, JP;
Assignees:
Sumitomo Chemical Company, Limited, Tokyo, JP;
Tokyo Institute of Technology, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C08F 36/20 (2006.01); C08F 12/34 (2006.01); C08F 32/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
A polymer comprising a unit represented by the following formula (1); and a process for producing the polymer comprising the step of polymerizing a diene compound such as 9,9-diallylfluorene in the presence of a polymerization catalyst formed by contacting a nickel compound with an organoaluminum compound and/or a boron compound: