CN Patent
CN1332671C — 西地那非新用途
Assigned to Institute of Pharmacology and Toxicology of AMMS · Expires 2007-08-22 · 19y expired
What this patent protects
本发明涉及西地那非或其盐或其溶剂化物为在制备用于治疗人更年期综合症疾病的药物中用途。
USPTO Abstract
本发明涉及西地那非或其盐或其溶剂化物为在制备用于治疗人更年期综合症疾病的药物中用途。
Drugs covered by this patent
- Viagra (Sildenafil Citrate) · Pfizer Inc.
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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