C07J 53/004
3 membered carbocyclic rings
Official title: {3 membered carbocyclic rings}
C07J53/004 (3 membered carbocyclic rings) appears on 154 US grants and 77 published applications in this corpus.
Search patents in C07J- Granted patents
- 154
- Published applications
- 77
- Assignees
- 79
- Inventors
- 356
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 4 | 0 |
| 1978 | 11 | 0 |
| 1979 | 4 | 0 |
| 1980 | 5 | 0 |
| 1981 | 5 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 5 | 0 |
| 1985 | 9 | 0 |
| 1986 | 5 | 0 |
| 1987 | 5 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 5 | 0 |
| 1996 | 2 | 0 |
| 1997 | 7 | 0 |
| 1998 | 5 | 0 |
| 1999 | 3 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 1 |
| 2002 | 4 | 2 |
| 2003 | 2 | 1 |
| 2004 | 4 | 3 |
| 2005 | 4 | 2 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 5 |
| 2009 | 1 | 5 |
| 2010 | 1 | 9 |
| 2011 | 1 | 5 |
| 2012 | 4 | 4 |
| 2013 | 4 | 5 |
| 2014 | 6 | 3 |
| 2015 | 5 | 1 |
| 2016 | 2 | 3 |
| 2017 | 2 | 0 |
| 2018 | 1 | 2 |
| 2019 | 0 | 2 |
| 2020 | 2 | 2 |
| 2021 | 0 | 3 |
| 2022 | 1 | 5 |
| 2023 | 1 | 1 |
| 2024 | 1 | 6 |
| 2025 | 1 | 3 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Process for the preparation of drospirenone as a fine powder through a double change of crystalline form21 Apr 2026US 12,606,591 B2Industriale Chimica S.R.L.
- Steroidal compositions and methods of treating lipogenic cancers28 Oct 2025US 12,454,547 B2Asteroid Therapeutics
- Steroid derivative regulators, method for preparing the same, and uses thereof12 Nov 2024US 12,139,508 B2Jiangsu Hansoh Pharmaceutical Group Co., Ltd.
- Steroid derivative regulators, method for preparing the same, and uses thereof30 May 2023US 11,661,437 B2Jiangsu Hansoh Pharmaceutical Group Co., Ltd.
- Molecular host frameworks and methods of making and using same26 Apr 2022US 11,312,681 B2New York University
- Fully-continuous synthesis method of cyproterone acetate19 Mar 2026US 2026/0078142 A1Fudan University
- Prodrugs, prodrug compositions and related methods29 Jan 2026US 2026/0027131 A1Praesidia Biotherapeutics Inc.
- Catalyst31 Jul 2025US 2025/0242335 A1The University of Manchester
- Modified guayule resin product and related processes20 Mar 2025US 2025/0092164 A1Bridgestone Corporation
- Steroid derivative regulators, method for preparing the same, and uses thereof13 Feb 2025US 2025/0051387 A1Jiangsu Hansoh Pharmaceutical Group Co., Ltd.
Most cited
By later US patents
- Anti-estrogenic compounds and compositions119US 5,395,842 AEndorecherche, Inc. · 1995
- 19-Oxygenated-5.alpha.-androstanes for the enhancement of libido91US 4,071,625 ARichardson-Merrell Inc. · 1978
- 14,15-cyclopropano steroids of the 19-norandrostane series, method for the production thereof and pharmaceutical preparations containing said compounds55US 6,388,109 B1Jenapharm GmbH & Co. KG · 2002
- 20-Spiroxanes and analogues having an open ring E, processes for their manufacture, and pharmaceutical preparations thereof54US 4,559,332 ACiba-Geigy Corporation · 1985
- Bismethylene-17A carbolactones and related uses53US 7,960,368 B2Everstra, Inc. · 2011