EP Patent

EP0517160A1 — Extended-release ophthalmic preparations

Assigned to Inverni Della Beffa SpA · Expires 1992-12-09 · 33y expired

What this patent protects

Extended-release ophthalmic formulations are described, containing the active principles in the form of high-viscosity solutions formed of a mixture of water and polyoxyethylene-polyoxypropylene copolymers (poloxamers) having approximately 70% of polyoxyethylene units and an aver…

USPTO Abstract

Extended-release ophthalmic formulations are described, containing the active principles in the form of high-viscosity solutions formed of a mixture of water and polyoxyethylene-polyoxypropylene copolymers (poloxamers) having approximately 70% of polyoxyethylene units and an average molecular weight of approximately 12,500, characterised in that they contain non-ionic surfactants as stabilisers.

Drugs covered by this patent

Patent Metadata

Patent number
EP0517160A1
Jurisdiction
EP
Classification
—
Expires
1992-12-09
Drug substance claim
No
Drug product claim
No
Assignee
Inverni Della Beffa SpA
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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