EP4626399A1 — Estriol vaginal ring
Assigned to Vari Bioscience GmbH · Expires 2025-10-08 · 1y expired
What this patent protects
Disclosed is a vaginal ring delivering estriol. The ring is suitable for use in the treatment of vaginal and vulva atrophy. It has a core-shell structure of ethylene vinyl acetate copolymers. Both the core and the shell are loaded with estriol, with the concentration of estriol i…
USPTO Abstract
Disclosed is a vaginal ring delivering estriol. The ring is suitable for use in the treatment of vaginal and vulva atrophy. It has a core-shell structure of ethylene vinyl acetate copolymers. Both the core and the shell are loaded with estriol, with the concentration of estriol in the core exceeding that in the shell. The core and shell have a different copolymer composition, with the vinyl acetate in the core being higher than that in the shell.
Drugs covered by this patent
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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