CN Patent

CN101804056A — 盐酸吡格列酮、格列美脲的复方片剂及制备方法

Assigned to Shandong Xinhua Pharmaceutical Co Ltd · Expires 2010-08-18 · 16y expired

What this patent protects

本发明涉及一种盐酸吡格列酮、格列美脲的复方片剂及其制备方法,含有十二烷基硫酸钠、吸湿性差的辅料,其中:格列美脲与盐酸吡格列酮的重量比为1~4∶33;十二烷基硫酸钠的重量含量为0.1~5%,吸湿性差的辅料的重量含量为20~95%。将格列美脲原料与十二烷基硫酸钠、吸湿性差的辅料混合后粉碎的混合粉末,将混合粉末与盐酸吡格列酮原料及填充剂、崩解剂、润滑剂混合均匀,压片。解决了格列美脲溶出度不理想、稳定性差及产业化难度大的问题。本发明制备工艺简单,易操作,更适合工业化生产。

USPTO Abstract

本发明涉及一种盐酸吡格列酮、格列美脲的复方片剂及其制备方法,含有十二烷基硫酸钠、吸湿性差的辅料,其中:格列美脲与盐酸吡格列酮的重量比为1~4∶33;十二烷基硫酸钠的重量含量为0.1~5%,吸湿性差的辅料的重量含量为20~95%。将格列美脲原料与十二烷基硫酸钠、吸湿性差的辅料混合后粉碎的混合粉末,将混合粉末与盐酸吡格列酮原料及填充剂、崩解剂、润滑剂混合均匀,压片。解决了格列美脲溶出度不理想、稳定性差及产业化难度大的问题。本发明制备工艺简单,易操作,更适合工业化生产。

Drugs covered by this patent

Patent Metadata

Patent number
CN101804056A
Jurisdiction
CN
Classification
Expires
2010-08-18
Drug substance claim
No
Drug product claim
No
Assignee
Shandong Xinhua Pharmaceutical Co Ltd
Source
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Bibliographic data sourced from FDA Orange Book + USPTO public records. Plain-English summary generated by AI grounded in source text. Patent term extensions (PTR, SPC, pediatric) may shift the effective expiry. Not legal advice.

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