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. 17, 2019
Filed:
Apr. 08, 2015
Applicant:
Xiaoguang Wen, Taizhou, CN;
Inventor:
Xiaoguang Wen, Taizhou, CN;
Assignee:
OVERSEAS PHARMACEUTICALS, LTD., Taizhou, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K 9/24 (2006.01); A61K 9/20 (2006.01); A61K 9/28 (2006.01); A61K 31/192 (2006.01); A61K 31/381 (2006.01); A61K 31/4045 (2006.01); A61K 31/496 (2006.01); A61K 31/53 (2006.01); A61K 31/573 (2006.01);
U.S. Cl.
CPC ...
A61K 9/209 (2013.01); A61K 9/20 (2013.01); A61K 9/205 (2013.01); A61K 9/2009 (2013.01); A61K 9/2013 (2013.01); A61K 9/2018 (2013.01); A61K 9/2022 (2013.01); A61K 9/2054 (2013.01); A61K 9/2086 (2013.01); A61K 9/2095 (2013.01); A61K 9/282 (2013.01); A61K 9/2813 (2013.01); A61K 9/2826 (2013.01); A61K 9/2866 (2013.01); A61K 9/2893 (2013.01); A61K 31/192 (2013.01); A61K 31/381 (2013.01); A61K 31/4045 (2013.01); A61K 31/496 (2013.01); A61K 31/53 (2013.01); A61K 31/573 (2013.01);
Abstract
Disclosed is a controlled-release solid preparation, which consists of an internal core and a coating layer, wherein part of the surface of the internal core is not covered with the coating, and is exposed to the surface of the solid preparation. Since the medicament just releases at the exposed part, the aim of controlled release can be achieved by controlling this exposed surface area.