CA2188566A1 — Topical polymeric drug delivery system
Assigned to Merck Frosst Canada and Co · Expires 1995-11-16 · 31y expired
What this patent protects
A topical polymeric drug delivery system for the delivery of drugs to the skin for either topical or systemic effect is described. The system involves the use of a propellant-free airless pump for the delivery.
USPTO Abstract
A topical polymeric drug delivery system for the delivery of drugs to the skin for either topical or systemic effect is described. The system involves the use of a propellant-free airless pump for the delivery.
Drugs covered by this patent
- Estrace (ESTRADIOL) · Pfizer
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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