Title:
CONTROLLED-RELEASE SOLID PREPARATION WITH PARTIAL COATING
Document Type and Number:
WIPO Patent Application WO/2015/154656
Kind Code:
A1
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.
Inventors:
WEN XIAOGUANG (CN)
Application Number:
PCT/CN2015/076028
Publication Date:
October 15, 2015
Filing Date:
April 08, 2015
Export Citation:
Assignee:
WEN XIAOGUANG (CN)
International Classes:
A61K9/30; A61J3/00; A61K9/24
Domestic Patent References:
| WO2005013935A2 | 2005-02-17 | |||
| WO2008006216A1 | 2008-01-17 | |||
| WO2009002846A1 | 2008-12-31 | |||
| WO1996007401A1 | 1996-03-14 |
Foreign References:
| CN102614141A | 2012-08-01 |
Other References:
See also references of EP 3130334A4
Attorney, Agent or Firm:
HAIHONG JIACHENG INTELLECTUAL PROPERTY & PARTNERS (CN)
北京海虹嘉诚知识产权代理有限公司 (CN)
北京海虹嘉诚知识产权代理有限公司 (CN)
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