CN Patent

CN111084777A — 一种吡贝地尔、左旋多巴与苄丝肼复方缓释三层片剂及其制备方法

Assigned to Shanxi Health Vocational College · Expires 2020-05-01 · 6y expired

What this patent protects

本发明公开了一种吡贝地尔、左旋多巴与苄丝肼复方缓释三层片剂及其制备方法,其特征在于所述的片剂为三层缓释片剂,第一片层活性成分为吡贝地尔,第二片层为隔离层,第三片层活性成分为左旋多巴与苄丝肼。制备工艺为第一片层湿法制粒,第二片层和第三片层干法制粒,三层压片机压片,包覆缓释半透膜,打孔后再包速释衣膜。本发明可制备出吡贝地尔、左旋多巴与苄丝肼复方缓释制剂,实现同时给药的可行性,可保障各活性成分的稳定性,同时保证有效成分稳定释放。

USPTO Abstract

本发明公开了一种吡贝地尔、左旋多巴与苄丝肼复方缓释三层片剂及其制备方法,其特征在于所述的片剂为三层缓释片剂,第一片层活性成分为吡贝地尔,第二片层为隔离层,第三片层活性成分为左旋多巴与苄丝肼。制备工艺为第一片层湿法制粒,第二片层和第三片层干法制粒,三层压片机压片,包覆缓释半透膜,打孔后再包速释衣膜。本发明可制备出吡贝地尔、左旋多巴与苄丝肼复方缓释制剂,实现同时给药的可行性,可保障各活性成分的稳定性,同时保证有效成分稳定释放。

Drugs covered by this patent

Patent Metadata

Patent number
CN111084777A
Jurisdiction
CN
Classification
Expires
2020-05-01
Drug substance claim
No
Drug product claim
No
Assignee
Shanxi Health Vocational College
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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