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:
May. 31, 2016
Filed:
Apr. 18, 2014
Applicant:
Nitto Denko Corporation, Ibaraki-shi, Osaka, JP;
Inventors:
Shinji Sugawara, Osaka, JP;
Chieko Miura, Osaka, JP;
Tomoko Sudo, Osaka, JP;
Masao Nakagawa, Osaka, JP;
Toshiyuki Yoshikawa, Osaka, JP;
Assignee:
NITTO DENKO CORPORATION, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K 9/16 (2006.01);
U.S. Cl.
CPC ...
A61K 9/1676 (2013.01); A61K 9/1658 (2013.01);
Abstract
The present invention relates to a crosslinked gelatin support, in which a surface of a crosslinked gelatin is negatively charged and has a zeta potential in ethanol of from −3 to −50 mV, and a support for controlled release of a physiologically active substance, including: the crosslinked gelatin support; and a physiologically active substance adsorbed and retained on and/or inside the crosslinked gelatin support.