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:
Aug. 30, 2011
Filed:
Jun. 23, 2005
Applicants:
Shigeru Yamago, Osaka, JP;
Biswajit Ray, West Bengal, IN;
Takashi Kameshima, Tokushima, JP;
Kazuhiro Kawano, Tokushima, JP;
Inventors:
Shigeru Yamago, Osaka, JP;
Biswajit Ray, West Bengal, IN;
Takashi Kameshima, Tokushima, JP;
Kazuhiro Kawano, Tokushima, JP;
Assignees:
Otsuka Chemical Co., Ltd., Osaka, JP;
Japan Science and Technology Agency, Saitama, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01J 23/18 (2006.01); C07F 9/90 (2006.01); C07F 9/92 (2006.01); C08F 4/72 (2006.01);
U.S. Cl.
CPC ...
Abstract
An organoantimony compound represented by the formula (1), processes for producing polymers with use of the compound, and polymers wherein Rand Rare C-Calkyl, aryl, substituted aryl or an aromatic heterocyclic group, Rand Rare each a hydrogen atom or C-Calkyl, and Ris aryl, substituted aryl, an aromatic heterocyclic group, oxycarbonyl or cyano.