US Patent 7645463 Method for treating diabetic vascular complications

Patent 7645463 was granted and assigned to National Yang-Ming University on January, 2010 by the United States Patent and Trademark Office.

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Is a

Patent

Patent attributes

Current Assignee

National Yang-Ming University

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

76454630

Patent Inventor Names

Rong-Tsun Wu0

Date of Patent

January 12, 2010

Patent Application Number

115828940

Date Filed

October 18, 2006

Patent Primary Examiner

‌

Patricia Leith

Patent abstract

The present invention provides a method for treating diabetic vascular complications including administering to a subject in need thereof a therapeutically effective amount of an extract product of a Dioscorea species. The extract product preferably is prepared by a process which involves (a) extracting a tuber of the Dioscorea species with an alcohol-based solvent in the presence of an acetic acid solution to form an extract composition, (b) subjecting a resultant product obtained in step (a) to obtain a soluble fraction, and (c) removing solvent from the soluble fraction obtained in step (b) to obtain the extract product.