CA Patent

CA2295469A1 — Analgesic with controlled active substance release

Assigned to Gruenenthal GmbH · Expires 2000-07-18 · 26y expired

What this patent protects

This invention relates to an orally administered preparation with controlled release of at least one analgesic from microtablets with a diameter of < 3 mm.

USPTO Abstract

This invention relates to an orally administered preparation with controlled release of at least one analgesic from microtablets with a diameter of < 3 mm.

Drugs covered by this patent

oxycodone-hydrochloride (OXYCODONE HYDROCHLORIDE)

Patent Metadata

Patent number: CA2295469A1
Jurisdiction: CA
Classification: —
Expires: 2000-07-18
Drug substance claim: No
Drug product claim: No
Assignee: Gruenenthal GmbH
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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