C07J 71/00
Steroids in which the cyclopentahydrophenanthrene skeleton is condensed with a heterocyclic ring
Official title: Steroids in which the cyclopenta(a)hydrophenanthrene skeleton is condensed with a heterocyclic ring (spiro-condensed heterocyclic rings C07J21/00, C07J33/00, C07J43/00)
C07J71/00 (Steroids in which the cyclopentahydrophenanthrene skeleton is condensed with a heterocyclic ring) appears on 890 US grants and 606 published applications in this corpus.
Search patents in C07J- Granted patents
- 890
- Published applications
- 606
- Assignees
- 445
- Inventors
- 1,962
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 29 | 0 |
| 1977 | 27 | 0 |
| 1978 | 30 | 0 |
| 1979 | 13 | 0 |
| 1980 | 35 | 0 |
| 1981 | 26 | 0 |
| 1982 | 18 | 0 |
| 1983 | 13 | 0 |
| 1984 | 15 | 0 |
| 1985 | 13 | 0 |
| 1986 | 16 | 0 |
| 1987 | 14 | 0 |
| 1988 | 9 | 0 |
| 1989 | 18 | 0 |
| 1990 | 32 | 0 |
| 1991 | 17 | 0 |
| 1992 | 19 | 0 |
| 1993 | 18 | 0 |
| 1994 | 7 | 0 |
| 1995 | 18 | 0 |
| 1996 | 22 | 0 |
| 1997 | 30 | 0 |
| 1998 | 38 | 0 |
| 1999 | 22 | 0 |
| 2000 | 21 | 0 |
| 2001 | 19 | 1 |
| 2002 | 13 | 21 |
| 2003 | 12 | 24 |
| 2004 | 8 | 28 |
| 2005 | 11 | 26 |
| 2006 | 16 | 21 |
| 2007 | 10 | 21 |
| 2008 | 8 | 15 |
| 2009 | 4 | 22 |
| 2010 | 11 | 20 |
| 2011 | 6 | 27 |
| 2012 | 12 | 17 |
| 2013 | 8 | 31 |
| 2014 | 24 | 18 |
| 2015 | 15 | 22 |
| 2016 | 17 | 23 |
| 2017 | 21 | 33 |
| 2018 | 21 | 25 |
| 2019 | 27 | 33 |
| 2020 | 26 | 28 |
| 2021 | 22 | 37 |
| 2022 | 13 | 24 |
| 2023 | 15 | 28 |
| 2024 | 11 | 28 |
| 2025 | 16 | 23 |
| 2026 | 4 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Process for isolation of saponins uttroside B and uttroside A from Solanum nigrum linn22 Sep 2026US 12,741,985 B2Council of Scientific and Industrial Research An Indian Registered Body Incorporated Under the Regn. of Soc. Act (Act Xx1 of 1860)
- Cyclodextrin protein drug conjugates31 Mar 2026US 12,589,101 B2Regeneron Pharmaceuticals, Inc.
- Triterpenoid compounds, pharmaceutical compositions thereof, and their use for treating a nuclear receptor subfamily 4 group a member 1-mediated disease10 Mar 2026US 12,570,687 B2NucMito Pharmaceuticals Co. Ltd.
- C4-modified oleanolic acid derivatives for inhibition of IL-17 and other uses10 Feb 2026US 12,545,701 B2Reata Pharmaceuticals, Inc.
- Anti-CD19 antibody drug conjugates25 Nov 2025US 12,478,689 B2AbbVie Biotherapeutics Inc.
- C4-modified oleanolic acid derivatives for inhibition of il-17 and other uses3 Sep 2026US 2026/0258074 A1Reata Pharmaceuticals, Inc.
- 25-hydroxy-cholest-5-en-3-sulfate choline, formulations thereof and methods for preparing, and uses of same23 Jul 2026US 2026/0207628 A1Durect Corporation
- Preparation of deoxycholic acid16 Jul 2026US 2026/0200967 A1Crystal Pharma, S.A.U.
- Glucocorticoid receptor agonists7 May 2026US 2026/0125417 A1Eli Lilly and Company
- Neuroactive steroids, compositions, and uses thereof30 Apr 2026US 2026/0116911 A1Sage Therapeutics, Inc.
Most cited
By later US patents
- Androstane carbothioates130US 4,335,121 AGlaxo Group Limited · 1982
- Anti-estrogenic compounds and compositions119US 5,395,842 AEndorecherche, Inc. · 1995
- Liposomes containing steroid esters102US 4,693,999 AAktiebolaget Draco · 1987
- vitamin D.sub.3 derivatives having a substituent at 2-position96US 4,666,634 AChugai Seiyaku Kabushiki Kaisha · 1987
- Redox carriers for brain-specific drug delivery92US 5,087,618 AUniversity of Florida · 1992