Patent classifications
C
CHEMISTRY; METALLURGY
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C12
BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
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C12P
FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
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C12P33/005
Degradation of the lateral chains at position 17
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C12P33/005

NEW ENZYMATIC PROCESS FOR THE PREPARATION OF TESTOSTERONE AND ESTERS THEREOF
20170029863 · 2017-02-02 ·

The present invention relates to a new process for the preparation of testosterone by means of enzymatic hydrolysis of testosterone esters.

Enzymatic process for obtaining 17 alpha-monoesters of cortexolone and/or its 9,11-dehydroderivatives
12337002 · 2025-06-24 · ·

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

ENZYMATIC PROCESS FOR OBTAINING 17 ALPHA-MONOESTERS OF CORTEXOLONE AND/OR ITS 9,11-DEHYDRODERIVATIVES
20250387412 · 2025-12-25 · ·

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

ENZYMATIC PROCESS FOR OBTAINING 17 ALPHA-MONOESTERS OF CORTEXOLONE AND/OR ITS 9,11-DEHYDRODERIVATIVES
20260000681 · 2026-01-01 · ·

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