C12P 33/005
Degradation of the lateral chains at position 17
Official title: {Degradation of the lateral chains at position 17}
C12P33/005 (Degradation of the lateral chains at position 17) appears on 74 US grants and 30 published applications in this corpus.
Search patents in C12P- Granted patents
- 74
- Published applications
- 30
- Assignees
- 25
- Inventors
- 127
- Latest grant
- 24 Jun 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 3 | 0 |
| 1980 | 7 | 0 |
| 1981 | 2 | 0 |
| 1982 | 9 | 0 |
| 1983 | 3 | 0 |
| 1984 | 4 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 0 |
| 2002 | 1 | 5 |
| 2003 | 3 | 2 |
| 2004 | 0 | 3 |
| 2005 | 2 | 4 |
| 2006 | 3 | 0 |
| 2007 | 1 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 1 |
| 2011 | 1 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 1 |
| 2015 | 0 | 0 |
| 2016 | 2 | 3 |
| 2017 | 0 | 1 |
| 2018 | 2 | 0 |
| 2019 | 1 | 1 |
| 2020 | 1 | 1 |
| 2021 | 1 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 1 |
| 2024 | 1 | 0 |
| 2025 | 1 | 2 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Enzymatic process for obtaining 17 alpha-monoesters of cortexolone and/or its 9,11-dehydroderivatives24 Jun 2025US 12,337,002 B2Cassiopea S.P.A.
- Enzymatic process for obtaining 17 alpha-monoesters of cortexolone and/or its 9,11-dehydroderivatives26 Mar 2024US 11,938,141 B2Cassiopea S.P.A.
- Enzymatic process for obtaining 17 α-monoesters of cortexolone and/or its 9,11-dehydroderivatives28 Dec 2021US 11,207,332 B2Cassiopea S.P.A.
- Enzymatic process for obtaining 17 alpha-monoesters of cortexolone and/or its 9,11-dehydroderivatives21 Jul 2020US 10,716,796 B2Cassiopea S.P.A.
- Enzymatic process for obtaining 17 alpha-monoesters of cortexolone and/or its 9,11-dehydroderivatives1 Jan 2019US 10,166,245 B2Cassiopea S.P.A.
- Enzymatic process for obtaining 17 alpha-monoesters of cortexolone and/or its 9,11-dehydroderivatives1 Jan 2026US 2026/0000681 A1Cassiopea S.P.A.
- Enzymatic process for obtaining 17 alpha-monoesters of cortexolone and/or its 9,11-dehydroderivatives25 Dec 2025US 2025/0387412 A1Cassiopea S.P.A.
- Fungus synthesizing 24-epi-ergosterol, construction method therefor, and use thereof28 Aug 2025US 2025/0270612 A1Ningbo Xinbio Biological Sci. & Tech. Co., Ltd.
- Enzymatic process for obtaining 17 alpha-monoesters of cortexolone and/or its 9,11-dehydroderivatives6 Apr 2023US 2023/0104965 A1Cassiopea S.P.A.
- Enzymatic process for obtaining 17 alpha-monoesters of cortexolone and/or its 9,11-dehydroderivatives8 Sep 2022US 2022/0280531 A1Cassiopea S.P.A.
Most cited
By later US patents
- Microbiological degradation of sterol side chains to a 17-keto group40US 4,179,336 ASchering Aktiengellschaft · 1979
- Enzymatic process for obtaining 17 alpha-monoesters of cortexolone and/or its 9,11-dehydroderivatives17US 8,785,427 B2Cosmo Dermatos Srl · 2014
- Yeast strains autonomously producing steroids13US 7,670,829 B2Aventis Pharma S. A. · 2010
- Cholesterol disposal fusion enzymes12US 5,547,868 AThe Regents of the University of California · 1996
- Process for preparing androstane steroids11US 4,397,946 AMitsubishi Chemical Industries Limited · 1983