CN Patent

CN102170878A — 控释药物组合物

Assigned to Astellas Pharma Inc · Expires 2011-08-31 · 15y expired

What this patent protects

本发明提供一种控释药物组合物,其含有:(1)(R)-2-(2-氨基噻唑-4-基)-4’-[2-[(2-羟基-2-苯基乙基)氨基]乙基]乙酰苯胺或其在制药学上允许的盐、(2)一种以上用于使水渗入到制剂内部的添加剂,所述添加剂显示出溶解1g的水量为10mL以下的溶解性、以及(3)能形成水凝胶的聚合物,所述聚合物的平均分子量为约10万以上、或5%水溶液中25℃下的粘度为12mPa·s以上。

USPTO Abstract

本发明提供一种控释药物组合物,其含有:(1)(R)-2-(2-氨基噻唑-4-基)-4’-[2-[(2-羟基-2-苯基乙基)氨基]乙基]乙酰苯胺或其在制药学上允许的盐、(2)一种以上用于使水渗入到制剂内部的添加剂,所述添加剂显示出溶解1g的水量为10mL以下的溶解性、以及(3)能形成水凝胶的聚合物,所述聚合物的平均分子量为约10万以上、或5%水溶液中25℃下的粘度为12mPa·s以上。

Drugs covered by this patent

Patent Metadata

Patent number
CN102170878A
Jurisdiction
CN
Classification
Expires
2011-08-31
Drug substance claim
No
Drug product claim
No
Assignee
Astellas Pharma Inc
Source
FDA Orange Book + USPTO grounding via Google Patents

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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