EP Patent

EP0418596A3 — Controlled release pharmaceutical compositions from spherical granules in tabletted oral dosage unit form

Assigned to Wyeth Holdings LLC · Expires 1991-10-23 · 35y expired

What this patent protects

Patent listed against OxyContin.

Drugs covered by this patent

Patent Metadata

Patent number
EP0418596A3
Jurisdiction
EP
Classification
—
Expires
1991-10-23
Drug substance claim
No
Drug product claim
No
Assignee
Wyeth Holdings 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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