EP0279977A2 — Transdermal administration of progesterone, estradiol esters and mixtures thereof
Assigned to Alza Corp · Expires 1988-08-31 · 38y expired
What this patent protects
A transdermal delivery system for the administering of progesterone and an estradiol ester alone or in combination utilizing a polymer matrix having the drug(s) along with a permeation enhancer dispersed throughout.
USPTO Abstract
A transdermal delivery system for the administering of progesterone and an estradiol ester alone or in combination utilizing a polymer matrix having the drug(s) along with a permeation enhancer dispersed throughout.
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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