EP Patent

EP1577296A1 — 2-oxo-1-pyrrolidine derivatives, processes for preparing them and their use

Assigned to UCB SA · Expires 2005-09-21 · 21y expired

What this patent protects

The invention concerns (2S)-2-[4-(2,2-difluoroviny)-2-oxopyrrolidin-1-yl]butanoic acid and stereoisomers thereof.

USPTO Abstract

The invention concerns (2S)-2-[4-(2,2-difluoroviny)-2-oxopyrrolidin-1-yl]butanoic acid and stereoisomers thereof.

Drugs covered by this patent

Patent Metadata

Patent number
EP1577296A1
Jurisdiction
EP
Classification
—
Expires
2005-09-21
Drug substance claim
No
Drug product claim
No
Assignee
UCB SA
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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