CN Patent

CN114533688A — 5-甲基-1-苯基-2-(1h)-吡啶酮颗粒制剂和其制备方法

Assigned to F Hoffmann La Roche AG · Expires 2022-05-27 · 4y expired

What this patent protects

本公开涉及5‑甲基‑1‑苯基‑2‑(1H)‑吡啶酮颗粒制剂和其制备方法。本公开涉及吡非尼酮的颗粒制剂和制备这种制剂的方法。

USPTO Abstract

本公开涉及5‑甲基‑1‑苯基‑2‑(1H)‑吡啶酮颗粒制剂和其制备方法。本公开涉及吡非尼酮的颗粒制剂和制备这种制剂的方法。

Drugs covered by this patent

Patent Metadata

Patent number: CN114533688A
Jurisdiction: CN
Classification: —
Expires: 2022-05-27
Drug substance claim: No
Drug product claim: No
Assignee: F Hoffmann La Roche 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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