C07J 21/001
Lactones
Official title: {Lactones}
C07J21/001 (Lactones) appears on 81 US grants and 36 published applications in this corpus.
Search patents in C07J- Granted patents
- 81
- Published applications
- 36
- Assignees
- 36
- Inventors
- 182
- Latest grant
- 3 Jun 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 3 | 0 |
| 1978 | 7 | 0 |
| 1979 | 3 | 0 |
| 1980 | 3 | 0 |
| 1981 | 4 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 7 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 3 | 0 |
| 1998 | 4 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 3 | 0 |
| 2002 | 1 | 5 |
| 2003 | 3 | 3 |
| 2004 | 0 | 5 |
| 2005 | 2 | 3 |
| 2006 | 4 | 0 |
| 2007 | 0 | 2 |
| 2008 | 0 | 2 |
| 2009 | 0 | 0 |
| 2010 | 1 | 5 |
| 2011 | 0 | 0 |
| 2012 | 2 | 2 |
| 2013 | 2 | 2 |
| 2014 | 1 | 2 |
| 2015 | 2 | 0 |
| 2016 | 1 | 2 |
| 2017 | 2 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 0 |
| 2022 | 1 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Tripartite androgen receptor eliminators, methods and uses thereof3 Jun 2025US 12,319,681 B2SPG Therapeutics, Inc.
- Tripartite androgen receptor eliminators, methods and uses thereof20 Sep 2022US 11,447,483 B2SPG Therapeutics, Inc.
- Natural product analogs including an anti-inflammatory cyanoenone pharmacore and methods of use24 Oct 2017US 9,796,668 B2Reata Pharmaceuticals, Inc.
- Process for the preparation of 7 α-(methoxycarbonyl)-3-OXO-17alpha-pregn-4,9(11)-dien-21,17-carbolactone, a useful intermediate for the synthesis of molecules with pharmacological activity7 Feb 2017US 9,562,068 B2Industriale Chimica S.R.L.
- Natural product analogs including an anti-inflammatory cyanoenone pharmacore and methods of use12 Jan 2016US 9,233,998 B2Reata Pharmaceuticals, Inc.
- Tripartite Androgen Receptor Eliminators, Methods and Uses Thereof23 Mar 2023US 2023/0092979 A1SPG Therapeutics, Inc.
- Tripartite Androgen Receptor Eliminators, Methods and Uses Thereof2 Jul 2020US 2020/0207753 A1SPG Therapeutics, Inc.
- Natural product analogs including an anti-inflammatory cyanoenone pharmacore and methods of use23 Aug 2018US 2018/0237383 A1Reata Pharmaceuticals, Inc.
- Natural product analogs including an anti-inflammatory cyanoenone pharmacore and methods of use26 May 2016US 2016/0145200 A1Reata Pharmaceuticals, Inc.
- Process for the preparation of 7 alpha -(methoxycarbonyl)-3-oxo-17alpha-pregn-4,9(11)-dien-21,17-carbolactone, a useful intermediate for the synthesis of molecules with pharmacological activity21 Apr 2016US 2016/0108083 A1Industriale Chimica S.R.L.
Most cited
By later US patents
- 20-Spiroxanes and analogues having an open ring E, processes for their manufacture, and pharmaceutical preparations thereof54US 4,559,332 ACiba-Geigy Corporation · 1985
- Spirolactones46US 4,129,564 ASchering, A.G. Patentabteilung · 1978
- Dehydroandrosterone analogs including an anti-inflammatory pharmacore and methods of use46US 8,258,329 B2Reata Pharmaceuticals, Inc. · 2012
- Natural product analogs including an anti-inflammatory cyanoenone pharmacore and methods of use27US 9,233,998 B2Reata Pharmaceuticals, Inc. · 2016
- 11-aryl steroid derivatives24US 5,272,140 AAkzo N. V. · 1993