C07J 73/00
Steroids in which the cyclopenta[a]hydrophenanthrene skeleton has been modified by substitution of
Official title: Steroids in which the cyclopenta[a]hydrophenanthrene skeleton has been modified by substitution of one or two carbon atoms by hetero atoms
C07J73/00 (Steroids in which the cyclopenta[a]hydrophenanthrene skeleton has been modified by substitution of) appears on 250 US grants and 138 published applications in this corpus.
Search patents in C07J- Granted patents
- 250
- Published applications
- 138
- Assignees
- 146
- Inventors
- 659
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 6 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 4 | 0 |
| 1987 | 0 | 0 |
| 1988 | 4 | 0 |
| 1989 | 8 | 0 |
| 1990 | 6 | 0 |
| 1991 | 6 | 0 |
| 1992 | 13 | 0 |
| 1993 | 8 | 0 |
| 1994 | 6 | 0 |
| 1995 | 10 | 0 |
| 1996 | 20 | 0 |
| 1997 | 11 | 0 |
| 1998 | 13 | 0 |
| 1999 | 9 | 0 |
| 2000 | 7 | 0 |
| 2001 | 4 | 1 |
| 2002 | 2 | 0 |
| 2003 | 3 | 5 |
| 2004 | 4 | 6 |
| 2005 | 2 | 8 |
| 2006 | 3 | 10 |
| 2007 | 5 | 10 |
| 2008 | 6 | 4 |
| 2009 | 6 | 6 |
| 2010 | 4 | 2 |
| 2011 | 5 | 4 |
| 2012 | 2 | 8 |
| 2013 | 2 | 4 |
| 2014 | 3 | 2 |
| 2015 | 4 | 5 |
| 2016 | 3 | 5 |
| 2017 | 4 | 4 |
| 2018 | 3 | 4 |
| 2019 | 4 | 8 |
| 2020 | 5 | 8 |
| 2021 | 5 | 5 |
| 2022 | 2 | 8 |
| 2023 | 7 | 4 |
| 2024 | 2 | 7 |
| 2025 | 4 | 7 |
| 2026 | 4 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Triptolide conjugates and uses thereof25 Aug 2026US 12,715,894 B2Reyoung Corporation
- Quinone protected forms and conjugates4 Aug 2026US 12,697,392 B2Cambridge Enterprise Limited
- Inhibitors of 17β-HSD7 and uses thereof23 Jun 2026US 12,662,509 B2
- Triptolide lignocerate, liposome thereof and preparation method therefor21 Apr 2026US 12,605,335 B2Baolong Pharmaceutical Co., Ltd.
- Sterols as novel immunomodulatory agents and their use as vaccine adjuvants25 Nov 2025US 12,478,671 B2Ohio State Innovation Foundation
- Anti-cancer nuclear hormone receptor-targeting compounds30 Apr 2026US 2026/0116890 A1Nuvation Bio Inc.
- Compositions and methods for treating cns disorders19 Mar 2026US 2026/0078143 A1Sage Therapeutics, Inc.
- Sterols as novel immunomodulatory agents and their use as vaccine adjuvants26 Feb 2026US 2026/0053912 A1Ohio State Innovation Foundation
- 3-azasteroid compounds for the treatment of diseases related to mitrochondrial function16 Oct 2025US 2025/0320246 A1NZP UK Limited
- Chaga mushroom-related formulations, chemical compounds, and methods of production and use thereof28 Aug 2025US 2025/0268965 A1Gerosynth Laboratories, Inc.
Most cited
By later US patents
- 4-Aza-17.beta.-substituted-5.alpha.-androstan-3-one-reductase inhibitors159US 4,377,584 AMerck & Co., Inc. · 1983
- 17.beta.-N-monosubstituted carbamoyl-4-aza-5.alpha.-androst-1-en-3-ones which are active as testosterone 5.alpha.-reductase inhibitors147US 4,760,071 AMerck & Co., Inc. · 1988
- Preparation of 4-aza-17-substituted-5.alpha.-androstan-3-ones useful as 5.alpha.-reductase inhibitors68US 4,220,775 AMerck & Co., Inc. · 1980
- Diastereomerically pure 3-oxo and 3-thioxo-4-aza-androstan derivatives and the use thereof as antiandrogens61US 6,147,213 APolichem SA · 2000
- 17 .alpha.-Acyl-4-aza-5a-androst-1-en-3-ones as 5 alpha-reductase inhibitors51US 4,859,681 AMerck & Co., Inc. · 1989