EP2173891A2 — Enzymatic process for obtaining 17 alpha-monoesters of cortexolone and/or its 9,11-dehydroderivatives
Assigned to Cosmo Dermatos Srl · Expires 2010-04-14 · 16y expired
What this patent protects
The present invention refers to an enzymatic process for obtaining 17alpha-monoesters of cortexolone and/or its 9, 11-dehydroderivatives starting from the corresponding 17alpha, 21-diesters which comprises an enzymatic alcoholysis reaction. Furthermore, the present invention refe…
USPTO Abstract
The present invention refers to an enzymatic process for obtaining 17alpha-monoesters of cortexolone and/or its 9, 11-dehydroderivatives starting from the corresponding 17alpha, 21-diesters which comprises an enzymatic alcoholysis reaction. Furthermore, the present invention refers to crystalline forms of cortexolone 17alpha-propionate and 9,11-dehydro-cortexolone 17alpha-butanoate.
Drugs covered by this patent
- Winlevi (CLASCOTERONE) · Sun Pharma
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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