EP Patent

EP1201232A1 — Patches for external use

Assigned to Hisamitsu Pharmaceutical Co Inc · Expires 2002-05-02 · 24y expired

What this patent protects

A patch formulation for external use where a basic drug, an organic acid and an organic acid salt are combined as essential components is disclosed. The basic drug is preferably in the form of its acid addition salt. The organic acid is preferably a carboxylic acid having carbon …

USPTO Abstract

A patch formulation for external use where a basic drug, an organic acid and an organic acid salt are combined as essential components is disclosed. The basic drug is preferably in the form of its acid addition salt. The organic acid is preferably a carboxylic acid having carbon atoms of 2 to 7, and more preferably at least one acid selected from the group consisting of acetic, lactic, tartaric, citric, malic, benzoic and salicylic acids. The organic acid salt is preferably a metal salt of a carboxylic acid, and more preferably sodium acetate.

Drugs covered by this patent

Patent Metadata

Patent number
EP1201232A1
Jurisdiction
EP
Classification
—
Expires
2002-05-02
Drug substance claim
No
Drug product claim
No
Assignee
Hisamitsu Pharmaceutical Co 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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