CA Patent

CA2369012A1 — Preparations for percutaneous absorption

Assigned to Hisamitsu Pharmaceutical Co Inc · Expires 2000-10-19 · 26y expired

What this patent protects

Preparations for percutaneous absorption comprising a basic drug or its salt dissolved in a liquid component and having an enhanced percutaneous absorbability and a safety to the skin, i.e., the administration site. The preparations for percutaneous absorption, preferably patche…

USPTO Abstract

Preparations for percutaneous absorption comprising a basic drug or its salt dissolved in a liquid component and having an enhanced percutaneous absorbability and a safety to the skin, i.e., the administration site. The preparations for percutaneous absorption, preferably patches, contain a basi c drug or its salt, an organic acid or its salt and a liquid component having a solubility parameter of from 7 to 13 (cal/cm3)1/2 and have a very excellent skin permeability of the drug.

Drugs covered by this patent

Patent Metadata

Patent number
CA2369012A1
Jurisdiction
CA
Classification
—
Expires
2000-10-19
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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