EP0811381A1 — A novel composition for transdermal administration of an estrogen, a progestin or a mixture thereof
Assigned to Antares Pharma NV · Expires 1997-12-10 · 28y expired
What this patent protects
Pharmaceutical formulation in the form of a gel suitable for the transdermal administration of an active agent of the class of estrogens or of progestin class or of a mixture of both, comprising: as permeation enhancers of the above said active agents a combination consistin…
USPTO Abstract
Pharmaceutical formulation in the form of a gel suitable for the transdermal administration of an active agent of the class of estrogens or of progestin class or of a mixture of both, comprising: as permeation enhancers of the above said active agents a combination consisting substantially of an aliphatic alcohol having general formula CH3(CH2)nCH2OH wherein n = 8-16 and of a monoalkylether of diethylene glycol; as a vehicle or carrier, a combination of an alkanol of 2÷4 C atoms, a glycol and water; as gelling agent a polymer or copolymer of acrylic acid; a tertiary amine as a thickening and neutralizing agent.
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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