EP Patent

EP0326151B1 — Improved controlled release formulation

Assigned to Koken Co Ltd · Expires 1993-06-16 · 33y expired

What this patent protects

A controlled release formulation which comprises an organic acidic compound or an acid anhydride or ester capable of generating one of the organic acidic compounds through hydrolysis together with an active ingredient and collagen as a carrier, said formulation being capable of e…

USPTO Abstract

A controlled release formulation which comprises an organic acidic compound or an acid anhydride or ester capable of generating one of the organic acidic compounds through hydrolysis together with an active ingredient and collagen as a carrier, said formulation being capable of exhibiting a predetermined release profile of the active ingredient. A process for producing said formulation is also provided.

Drugs covered by this patent

Patent Metadata

Patent number
EP0326151B1
Jurisdiction
EP
Classification
—
Expires
1993-06-16
Drug substance claim
No
Drug product claim
No
Assignee
Koken Co Ltd
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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