CN Patent

CN1681481A — 包含盐酸伐地那非三水合物的药物

Assigned to Bayer Pharma AG · Expires 2005-10-12 · 21y expired

What this patent protects

本发明涉及一种用于制备含有固体形式的基本上为三水合物形式的盐酸伐他那非的药物的方法、以及可以用这种方法获得的药物。

USPTO Abstract

本发明涉及一种用于制备含有固体形式的基本上为三水合物形式的盐酸伐他那非的药物的方法、以及可以用这种方法获得的药物。

Drugs covered by this patent

vardenafil-hydrochloride (VARDENAFIL HYDROCHLORIDE)

Patent Metadata

Patent number: CN1681481A
Jurisdiction: CN
Classification: —
Expires: 2005-10-12
Drug substance claim: No
Drug product claim: No
Assignee: Bayer Pharma AG
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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