GB Patent

GB9401894D0 — New compositions of matter

Assigned to Rhone Poulenc Rorer Ltd · Expires 1994-03-30 · 32y expired

What this patent protects

This invention relates to an abuse resistant tablet containing two or more layers having one or more drugs and one or more gelling agents and its preparation. The drug(s) and gelling agent(s) are in separate layers of the tablet. The multilayer tablet is particularly suitable for…

USPTO Abstract

This invention relates to an abuse resistant tablet containing two or more layers having one or more drugs and one or more gelling agents and its preparation. The drug(s) and gelling agent(s) are in separate layers of the tablet. The multilayer tablet is particularly suitable for the administration of drugs prone to abuse by unauthorized parenteral administration such as analgesics, hypnotics, and anxiolytics.

Drugs covered by this patent

Patent Metadata

Patent number
GB9401894D0
Jurisdiction
GB
Classification
—
Expires
1994-03-30
Drug substance claim
No
Drug product claim
No
Assignee
Rhone Poulenc Rorer 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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