CA Patent

CA2871039A1 — Enzymatic process for obtaining 17 alpha-monoesters of cortexolone and/or its 9,11-dehydroderivatives

Assigned to Cassiopea SpA · Expires 2009-02-12 · 17y expired

What this patent protects

The present invention refers to an enzymatic process for obtaining 17.alpha.monoesters of cortexolone and/or its 9,11-dehydroderivatives starting from the corresponding 17.alpha., 21-diesters which comprises an enzymatic alcoholysis reaction. Furthermore, the present invention re…

USPTO Abstract

The present invention refers to an enzymatic process for obtaining 17.alpha.monoesters of cortexolone and/or its 9,11-dehydroderivatives starting from the corresponding 17.alpha., 21-diesters which comprises an enzymatic alcoholysis reaction. Furthermore, the present invention refers to crystalline forms of cortexolone 17.alpha.-propionate and 9,11-dehydro-cortexolone 17.alpha.-butanoate.

Drugs covered by this patent

Patent Metadata

Patent number
CA2871039A1
Jurisdiction
CA
Classification
—
Expires
2009-02-12
Drug substance claim
No
Drug product claim
No
Assignee
Cassiopea SpA
Source
FDA Orange Book + USPTO grounding via Google Patents

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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