Title:
SUSTAINED AND CONTROLLED RELEASE OF MICRO-GRANULE FORMULATION FOR TREATING INTESTINAL DISEASE AND PREPARATION METHOD THEREOF
Document Type and Number:
WIPO Patent Application WO/2013/040873
Kind Code:
A1
Abstract:
A sustained and controlled release of micro-granule formulation for treating intestinal diseases and preparation method thereof, the sustained and controlled release of micro-granule formulation comprising: a) a pellet core containing 5-aminosalicylic acid and adjuvant materials; b) an isolation layer containing one or more water soluble macromolecules and anti-sticking agent; c) a sustained release coating layer of sustained release materials; and d) an enteric coating layer of macromolecular enteric materials.
Inventors:
ZHAO JIANCHENG (CN)
SHI ZONGFENG (CN)
MU XIAOJUN (CN)
SHI ZONGFENG (CN)
MU XIAOJUN (CN)
Application Number:
PCT/CN2012/071756
Publication Date:
March 28, 2013
Filing Date:
February 29, 2012
Export Citation:
Assignee:
PIVOT PHARMATECH SHANGHAI CO LTD (CN)
ZHAO JIANCHENG (CN)
SHI ZONGFENG (CN)
MU XIAOJUN (CN)
ZHAO JIANCHENG (CN)
SHI ZONGFENG (CN)
MU XIAOJUN (CN)
International Classes:
A61K9/14; A61K31/606; A61K47/32; A61K47/34; A61K47/36; A61K47/38; A61P1/04
Domestic Patent References:
| WO2010077908A1 | 2010-07-08 |
Foreign References:
| CN102319218A | 2012-01-18 | |||
| CN1207672A | 1999-02-10 | |||
| CN101496794A | 2009-08-05 | |||
| CN1233170A | 1999-10-27 |
Attorney, Agent or Firm:
DING & ASSOCIATES PATENT TRADEMARK & LAW (CN)
上海浦一知识产权代理有限公司 (CN)
上海浦一知识产权代理有限公司 (CN)
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Claims: