CN Patent

CN102307874A — 外周阿片样受体拮抗剂和其用途

Assigned to Wyeth LLC · Expires 2012-01-04 · 14y expired

What this patent protects

本发明提供了式I的化合物∶ 其中X - 、R 1 和R 2 如本文所定义，和其组合物。该化合物包括并且基于杂质甲基纳曲酮，一种外周阿片样物质拮抗剂。

USPTO Abstract

本发明提供了式I的化合物∶ 其中X - 、R 1 和R 2 如本文所定义，和其组合物。该化合物包括并且基于杂质甲基纳曲酮，一种外周阿片样物质拮抗剂。

Drugs covered by this patent

methylnaltrexone-bromide (METHYLNALTREXONE BROMIDE)

Patent Metadata

Patent number: CN102307874A
Jurisdiction: CN
Classification: —
Expires: 2012-01-04
Drug substance claim: No
Drug product claim: No
Assignee: Wyeth LLC
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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