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:
Apr. 27, 2007
Applicant:
Yousuke Yasuda, Higashiyamato, JP;
Inventor:
Yousuke Yasuda, Higashiyamato, JP;
Assignee:
Seikagaku Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 251/46 (2006.01);
U.S. Cl.
CPC ...
C07D 251/46 (2013.01);
Abstract
A polysaccharide derivative having a high solubility in an aqueous solvent is produced. The production method of the present invention uses a compound shown by the general formula (1) as a condensing agent and allows a polysaccharide having a carboxyl group to react with an an organic compound having a functional group capable of condensing with the carboxyl group to prepare the polysaccharide derivative: