EP0737477A4 — PREPARATION FOR PERCUTANEOUS ABSORPTION
Assigned to Akzo Nobel NV · Expires 1998-04-01 · 28y expired
What this patent protects
A first percutaneously absorbable preparation comprises a base, at least one drug selected from the group consisting of 3-ketodesogestrel and 17-esters thereof, and/or at least one drug selected from the group consisting of 17-β-estradiol and esters thereof. A second percutaneous…
USPTO Abstract
A first percutaneously absorbable preparation comprises a base, at least one drug selected from the group consisting of 3-ketodesogestrel and 17-esters thereof, and/or at least one drug selected from the group consisting of 17-β-estradiol and esters thereof. A second percutaneously absorbable preparation comprises a support layer and, formed on one side thereof, a pressure-sensitive adhesive base layer comprising a pressure-sensitive adhesive, at least one drug selected from the group consisting of 3-ketodesogestrel and 17-esters thereof, and optionally at least one drug selected from the group consisting of 17-β-estradiol and esters thereof. These preparations are easy to produce and use, and can supply 3-ketodesogestrel or 17-esters thereof, and/or 17-β-estradiol or esters thereof through horny skins uniformly for long. Therefore they can be utilized for contraception, alleviation of menopause symptom, asteoporosis, menstruation disorder, and so forth.
Drugs covered by this patent
- Androgel (TESTOSTERONE) · Besins Hlthcare
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.
Track this patent
Get a daily-checked alert when vulnerability score, expiry, classification, or assignee changes. Email, Slack, or Teams delivery. Pro: 50 watches, Free: 3.