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:
Feb. 16, 2010
Filed:
Jul. 27, 2007
Applicants:
Shigeru Yamago, Kyoto, JP;
Junichi Yoshida, Hirakata, JP;
Inventors:
Shigeru Yamago, Kyoto, JP;
Junichi Yoshida, Hirakata, JP;
Assignee:
Otsuka Chemical Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08F 12/02 (2006.01); C08C 395/00 (2006.01); C08F 2/46 (2006.01);
U.S. Cl.
CPC ...
Abstract
An organotellurium compound of the formula (1) is useful as a living radical polymerization initiator and makes possible precision control of molecular weights and molecular weight distributions under mild conditions wherein Ris C-Calkyl, Rand Rare each a hydrogen atom or C-Calkyl, and Ris aryl, substituted aryl, aromatic heterocyclic group, hydroxycarbonyl or cyano.