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:
Sep. 20, 2016
Filed:
Nov. 09, 2012
Applicant:
National University Corporation University of Toyama, Toyama-shi, Toyama, JP;
Inventors:
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K 9/16 (2006.01); A61K 38/18 (2006.01); A61K 9/50 (2006.01); A61K 38/20 (2006.01); A61K 38/30 (2006.01); A61K 38/17 (2006.01);
U.S. Cl.
CPC ...
A61K 38/185 (2013.01); A61K 9/167 (2013.01); A61K 9/1641 (2013.01); A61K 9/1647 (2013.01); A61K 9/5031 (2013.01); A61K 9/5036 (2013.01); A61K 38/1709 (2013.01); A61K 38/18 (2013.01); A61K 38/1825 (2013.01); A61K 38/1858 (2013.01); A61K 38/1866 (2013.01); A61K 38/2066 (2013.01); A61K 38/30 (2013.01);
Abstract
A composition for controlled release of a physiologically active substance can release a physiologically active substance in vivo at the desired timing. The composition includes an inner layer that is formed of a biodegradable substance that supports a physiologically active substance, and an outer layer that is formed of a biodegradable substance that differs from that of the inner layer.