CN Patent

CN105534949A — 一种盐酸度洛西汀的肠溶微丸制剂

Assigned to Beijing Xiuzheng Innovative Drug Research Institute Co Ltd · Expires 2016-05-04 · 10y expired

What this patent protects

本发明涉及一种盐酸度洛西汀的肠溶微丸制剂，由载药丸芯、隔离衣层、肠溶衣层和可有可无的修饰层组成，当处方中肠溶材料采用较为常用的甲基丙烯酸共聚物时，通过向隔离层中加入山梨醇，达到活性成分体外溶出曲线与阳性对照药欣百达一致的目的。本发明的产品采用具有药用注册批号的药用丙烯酸树脂作为肠溶材料，容易购得。采取常规的制备方法工艺简单、适合工业化生产，为抑郁症患者提供了价格合理、疗效可靠的药物。

USPTO Abstract

本发明涉及一种盐酸度洛西汀的肠溶微丸制剂，由载药丸芯、隔离衣层、肠溶衣层和可有可无的修饰层组成，当处方中肠溶材料采用较为常用的甲基丙烯酸共聚物时，通过向隔离层中加入山梨醇，达到活性成分体外溶出曲线与阳性对照药欣百达一致的目的。本发明的产品采用具有药用注册批号的药用丙烯酸树脂作为肠溶材料，容易购得。采取常规的制备方法工艺简单、适合工业化生产，为抑郁症患者提供了价格合理、疗效可靠的药物。

Drugs covered by this patent

Patent Metadata

Patent number
CN105534949A
Jurisdiction
CN
Classification
—
Expires
2016-05-04
Drug substance claim
No
Drug product claim
No
Assignee
Beijing Xiuzheng Innovative Drug Research Institute Co Ltd
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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