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:
Oct. 15, 2013
Filed:
Sep. 28, 2007
Applicants:
Kazuhiro Kubo, Kawasaki, JP;
Shigeru Kitano, Kawasaki, JP;
Chika Ito, Kawasaki, JP;
Inventors:
Assignee:
NOF Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08F 4/46 (2006.01); C08G 65/329 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method for producing a biodegradable polyoxyalkylene derivative, includes: reacting a biodegradable polyoxyalkylene compound represented by the formula (1) as defined herein with a compound represented by one of the formulae (I) to (IV) as defined herein in a presence of an alkaline solid salt, the biodegradable polyoxyalkylene derivative being represented by the formula (2) as defined herein.