CN Patent

CN114569567B — 一种稳定的双醋炔诺酮炔雌醇复方片及其制备方法

Assigned to Nantong Lianya Pharmaceutical Co ltd · Expires 2023-03-14 · 3y expired

What this patent protects

本发明涉及一种口服避孕复方片剂，其包含双醋炔诺酮、炔雌醇、填充剂、崩解剂和润滑剂，所述填充剂包含乳糖和微晶纤维素。本发明通过选择适宜的填充剂组合物，在保证复方片剂快速释放要求的基础上，有效的控制了其在压片工艺中产生的双醋炔诺酮相关杂质，为临床安全用药提供了保障。

USPTO Abstract

本发明涉及一种口服避孕复方片剂，其包含双醋炔诺酮、炔雌醇、填充剂、崩解剂和润滑剂，所述填充剂包含乳糖和微晶纤维素。本发明通过选择适宜的填充剂组合物，在保证复方片剂快速释放要求的基础上，有效的控制了其在压片工艺中产生的双醋炔诺酮相关杂质，为临床安全用药提供了保障。

Drugs covered by this patent

Patent Metadata

Patent number
CN114569567B
Jurisdiction
CN
Classification
—
Expires
2023-03-14
Drug substance claim
No
Drug product claim
No
Assignee
Nantong Lianya Pharmaceutical 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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