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:
Dec. 13, 2011
Filed:
Mar. 06, 2008
Applicants:
Shigeru Yamago, Osaka, JP;
Kunihiko Sugoh, Tokushima, JP;
Hikaru Umemoto, Tokushima, JP;
Inventors:
Assignee:
Otsuka Chemical Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 4/20 (2006.01); C07F 9/00 (2006.01); C09K 3/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An organobismuth compound represented by the formula (1) and a method for preparing a living radical polymer using the organobismuth compound. In the formula (1), Rto Reach represent a C1-C8 alkyl group, an aryl group, a substituted aryl group, an aromatic heterocyclic group or a group represented by the formula (2) where at least one of Rto Ris a group represented by the formula (2), wherein Rand Reach represent a C3-C8 alkyl group, an aryl group or a substituted aryl group, and Rto Reach represent a hydrogen atom, a C1-C8 alkyl group, an aryl group or a substituted aryl group.