C07J 1/0051
Estrane derivatives
Official title: {Estrane derivatives}
C07J1/0051 (Estrane derivatives) appears on 449 US grants and 295 published applications in this corpus.
Search patents in C07J- Granted patents
- 449
- Published applications
- 295
- Assignees
- 242
- Inventors
- 916
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 21 | 0 |
| 1977 | 19 | 0 |
| 1978 | 15 | 0 |
| 1979 | 7 | 0 |
| 1980 | 10 | 0 |
| 1981 | 15 | 0 |
| 1982 | 10 | 0 |
| 1983 | 7 | 0 |
| 1984 | 5 | 0 |
| 1985 | 10 | 0 |
| 1986 | 9 | 0 |
| 1987 | 7 | 0 |
| 1988 | 11 | 0 |
| 1989 | 9 | 0 |
| 1990 | 8 | 0 |
| 1991 | 7 | 0 |
| 1992 | 9 | 0 |
| 1993 | 11 | 0 |
| 1994 | 8 | 0 |
| 1995 | 13 | 0 |
| 1996 | 14 | 0 |
| 1997 | 10 | 0 |
| 1998 | 19 | 0 |
| 1999 | 12 | 0 |
| 2000 | 9 | 0 |
| 2001 | 5 | 0 |
| 2002 | 6 | 12 |
| 2003 | 7 | 12 |
| 2004 | 7 | 17 |
| 2005 | 5 | 17 |
| 2006 | 9 | 9 |
| 2007 | 9 | 5 |
| 2008 | 4 | 10 |
| 2009 | 1 | 5 |
| 2010 | 6 | 9 |
| 2011 | 4 | 7 |
| 2012 | 3 | 8 |
| 2013 | 2 | 7 |
| 2014 | 3 | 11 |
| 2015 | 11 | 14 |
| 2016 | 10 | 19 |
| 2017 | 5 | 10 |
| 2018 | 10 | 12 |
| 2019 | 10 | 13 |
| 2020 | 9 | 10 |
| 2021 | 12 | 21 |
| 2022 | 13 | 10 |
| 2023 | 7 | 14 |
| 2024 | 6 | 20 |
| 2025 | 5 | 11 |
| 2026 | 5 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- C07J 1/0066Substituted in position 17 beta not substituted in position 17 alfa220
- C07J 1/0059Substituted in position 17 by a keto group203
- C07J 1/0081Substituted in position 17 alfa and 17 beta184
- C07J 1/0055Not substituted in position 1738
- C07J 1/0062Substituted in position 17 alfa not substituted in position 17 beta10
Recent patents
- Androgen receptor modulators6 Oct 2026US 12,753,202 B2Trustees of Dartmouth College
- Orally active leukemia inhibitory factor (LIF) antagonists for the treatment of cancer29 Sep 2026US 12,747,263 B2Evestra, Inc.
- C17, C20, and C21 substituted neuroactive steroids and their methods of use16 Jun 2026US 12,655,175 B2Sage Therapeutics, Inc.
- 2-methoxyestradiol derivatives and medical uses thereof10 Mar 2026US 12,570,685 B2Institut Pasteur Korea
- Compositions and methods for treating CNS disorders27 Jan 2026US 12,534,495 B2Sage Therapeutics, Inc.
- Organic Photoredox Catalysts, Compositions, and Conversion Processes24 Sep 2026US 2026/0284647 A1Colorado State University Research Foundation
- Process For The Purification Of 2-Methoxyestradiol From 4- Methoxyestradiol And Intermediates Of The Process24 Sep 2026US 2026/0285896 A1Industriale Chimica S.R.L.
- Process and intermediates for the preparation of 3alpha-hydroxy-3beta-alkyl steroids3 Sep 2026US 2026/0258072 A1Curia Spain, S.A.U.
- Estradiol prodrugs and methods of use thereof27 Aug 2026US 2026/0248809 A1The United States Government as represented by the Department of Veterans Affairs
- Intermolecular cyclopropanation of unsaturated hydrocarbons20 Aug 2026US 2026/0242327 A1The Penn State Research Foundation
Most cited
By later US patents
- 1,3-propane diol esters and ethers and methods for their use in drug delivery162US 6,555,700 B1Scotia Holdings PLC · 2003
- Fatty acid esters as bioactive compounds147US 6,245,811 B1Scotia Holdings PLC · 2001
- Anti-estrogenic compounds and compositions119US 5,395,842 AEndorecherche, Inc. · 1995
- Neuroactive steroids of the androstane and pregnane series114US 5,925,630 ACoCensys, Inc. · 1999
- Estrogenic compounds as anti-angiogenic agents112US 5,504,074 AChildren's Medical Center Corporation · 1996