C07J 31/003
The s atom directly linked to a ring carbon atom of the
Official title: {the S atom directly linked to a ring carbon atom of the cyclopenta(a)hydrophenanthrene skeleton}
C07J31/003 (The s atom directly linked to a ring carbon atom of the) appears on 87 US grants and 39 published applications in this corpus.
Search patents in C07J- Granted patents
- 87
- Published applications
- 39
- Assignees
- 49
- Inventors
- 180
- Latest grant
- 23 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 6 | 0 |
| 1978 | 8 | 0 |
| 1979 | 5 | 0 |
| 1980 | 6 | 0 |
| 1981 | 4 | 0 |
| 1982 | 5 | 0 |
| 1983 | 2 | 0 |
| 1984 | 5 | 0 |
| 1985 | 6 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 2 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 1 | 2 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 1 | 2 |
| 2012 | 0 | 0 |
| 2013 | 1 | 1 |
| 2014 | 0 | 2 |
| 2015 | 0 | 2 |
| 2016 | 3 | 1 |
| 2017 | 0 | 3 |
| 2018 | 1 | 3 |
| 2019 | 1 | 1 |
| 2020 | 1 | 3 |
| 2021 | 0 | 5 |
| 2022 | 2 | 2 |
| 2023 | 1 | 3 |
| 2024 | 1 | 1 |
| 2025 | 2 | 4 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Synthetic derivatives of cholic acid 7-sulfate and uses thereof23 Sep 2025US 12,419,897 B2President and Fellows of Harvard College
- Tripartite androgen receptor eliminators, methods and uses thereof3 Jun 2025US 12,319,681 B2SPG Therapeutics, Inc.
- Neuroactive steroids, compositions, and uses thereof29 Oct 2024US 12,129,275 B2Sage Therapeutics, Inc.
- Neuroactive steroids and compositions thereof9 May 2023US 11,643,434 B2Sage Therapeutics, Inc.
- Tripartite androgen receptor eliminators, methods and uses thereof20 Sep 2022US 11,447,483 B2SPG Therapeutics, Inc.
- Lipids and nanoparticle formulations thereof1 Oct 2026US 2026/0295080 A1Arcturus Therapeutics, Inc.
- Process for the production of estetrol intermediates9 Oct 2025US 2025/0313592 A1Estetra Srl
- Neuroactive steroids, compositions, and uses thereof14 Aug 2025US 2025/0257092 A1Sage Therapeutics, Inc.
- Neuroactive steroids and compositions thereof7 Aug 2025US 2025/0250296 A1Sage Therapeutics, Inc.
- Neuroactive steroids and compositions thereof24 Jul 2025US 2025/0236639 A1Sage Therapeutics, Inc.
Most cited
By later US patents
- Steroid derived antibiotics59US 6,486,148 B2Brigham Young University · 2002
- Amphipathic, micellar delivery systems for biologically active polyions57US 5,635,487 A1997
- Steroid derived antibiotics52US 6,350,738 B1Brigham Young University · 2002
- Process for the preparation of 17.alpha.-hydroxyprogesterones and corticoids from androstenes48US 4,041,055 AThe Upjohn Company · 1977
- Spirolactones46US 4,129,564 ASchering, A.G. Patentabteilung · 1978