EP Patent

EP1644002A1 — Multiparticulates

Assigned to Euro Celtique SA · Expires 2006-04-12 · 20y expired

What this patent protects

Multipartulates of oxycodone can be made by extrusion of a blend which suitably contains (a) oxycodone, (b) water-insoluble ammonium methacrylate copolymer, (c) plasticiser, (d) lubricant and (e) water permeability modifier.

USPTO Abstract

Multipartulates of oxycodone can be made by extrusion of a blend which suitably contains (a) oxycodone, (b) water-insoluble ammonium methacrylate copolymer, (c) plasticiser, (d) lubricant and (e) water permeability modifier.

Drugs covered by this patent

Risperdal (risperidone) · Johnson & Johnson (Janssen)

Patent Metadata

Patent number: EP1644002A1
Jurisdiction: EP
Classification: —
Expires: 2006-04-12
Drug substance claim: No
Drug product claim: No
Assignee: Euro Celtique 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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