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:
Jul. 08, 2014
Filed:
Mar. 15, 2004
Applicant:
Yasuhiko Tabata, Uji, JP;
Inventor:
Yasuhiko Tabata, Uji, JP;
Assignee:
Medgel Corporation, Kyoto-Shi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K 9/22 (2006.01);
U.S. Cl.
CPC ...
Abstract
A sustained-release preparation is provided which comprises a drug and a bioabsorbable polymer hydrogel, wherein a concentration gradient of the drug is formed in the hydrogel. Also disclosed is a method of sustained release of a drug in vivo using the sustained-release preparation of the invention. The directionality of the drug release may be controlled by employing the sustained-release preparation of the invention. The sustained-release preparation of the invention is particularly useful as an anti-cancer agent.