CN Patent

CN106432253B — 一种维帕他韦新晶型及其制备方法

Assigned to SHANGHAI FOREFRONT PHARMA · Expires 2019-06-14 · 7y expired

What this patent protects

本发明公开了一种维帕他韦新晶型及其制备方法，本发明的式I化合物结构如下所示，本发明所提供的制备方法制得的式I化合物的晶型A具有良好的纯化效果和理化性质。。

USPTO Abstract

本发明公开了一种维帕他韦新晶型及其制备方法，本发明的式I化合物结构如下所示，本发明所提供的制备方法制得的式I化合物的晶型A具有良好的纯化效果和理化性质。。

Drugs covered by this patent

Patent Metadata

Patent number: CN106432253B
Jurisdiction: CN
Classification: —
Expires: 2019-06-14
Drug substance claim: No
Drug product claim: No
Assignee: SHANGHAI FOREFRONT PHARMA
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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