EP Patent

EP0998917A1 — Preparation of biodegradable microparticles containing a biologically active agent

Assigned to Alkermes Inc · Expires 2000-05-10 · 26y expired

What this patent protects

A process for preparing biodegradable microparticles comprising a biodegradable polymeric binder and a biologically active agent. A first phase, comprising the active agent and the polymer, and a second phase are pumped through a static mixer into a quench liquid to form micropar…

USPTO Abstract

A process for preparing biodegradable microparticles comprising a biodegradable polymeric binder and a biologically active agent. A first phase, comprising the active agent and the polymer, and a second phase are pumped through a static mixer into a quench liquid to form microparticles containing the active agent. Preferably, a blend of at least two substantially non-toxic solvents, free of halogenated hydrocarbons, is used to dissolve or disperse the agent and dissolve the polymer.

Drugs covered by this patent

Patent Metadata

Patent number
EP0998917A1
Jurisdiction
EP
Classification
—
Expires
2000-05-10
Drug substance claim
No
Drug product claim
No
Assignee
Alkermes Inc
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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