C07D 491/20
Spiro-condensed systems
C07D491/20 (Spiro-condensed systems) appears on 350 US grants and 480 published applications in this corpus.
Search patents in C07D- Granted patents
- 350
- Published applications
- 480
- Assignees
- 242
- Inventors
- 1,712
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 0 |
| 2002 | 7 | 1 |
| 2003 | 3 | 2 |
| 2004 | 2 | 6 |
| 2005 | 0 | 6 |
| 2006 | 4 | 3 |
| 2007 | 3 | 3 |
| 2008 | 0 | 12 |
| 2009 | 1 | 9 |
| 2010 | 6 | 14 |
| 2011 | 9 | 26 |
| 2012 | 11 | 25 |
| 2013 | 16 | 26 |
| 2014 | 23 | 17 |
| 2015 | 16 | 24 |
| 2016 | 18 | 25 |
| 2017 | 23 | 33 |
| 2018 | 24 | 28 |
| 2019 | 20 | 27 |
| 2020 | 26 | 34 |
| 2021 | 28 | 25 |
| 2022 | 18 | 22 |
| 2023 | 20 | 35 |
| 2024 | 19 | 22 |
| 2025 | 20 | 33 |
| 2026 | 11 | 22 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Compounds, compositions, and methods29 Sep 2026US 12,747,232 B2Denali Therapeutics Inc.
- EIF4A-inhibiting compounds and methods related thereto29 Sep 2026US 12,747,249 B2SJP Biotec GmbH
- Plasmin inhibitor, preparation method therefor, and application thereof15 Sep 2026US 12,735,421 B2Scinnohub Pharmaceutical Co., Ltd
- Indolo[3.2.1-jk]carbazole-6-carbonitrile derivatives as blue fluorescent emitters for use in OLEDS21 Jul 2026US 12,690,385 B2
- Tricyclic compounds useful in the treatment of cancer, autoimmune and inflammatory disorders30 Jun 2026US 12,667,572 B2Schrödinger, Inc.
- 3h-pyrazolo[4.3:f] quinoline-based compounds as sting antagonists17 Sep 2026US 2026/0274838 A1Purdue Research Foundation
- Crystal of dihydropyridinone derivative or solvate thereof17 Sep 2026US 2026/0274857 A1Shionogi & Co., Ltd.
- Spirocyclic linked tricyclic compounds10 Sep 2026US 2026/0265266 A1Sub21, Inc.
- High-Performance Organic Electroluminescent Device and Compound Thereof27 Aug 2026US 2026/0250298 A1Boe Technology Group Co., Ltd.
- Substituted imidazo[1,2-a]quinazolines and imidazo[1,2-a]pyrido[4,3-e]pyrimidines as inhibitors of parg13 Aug 2026US 2026/0234151 A1858 Therapeutics, Inc.
Most cited
By later US patents
- Delta opioid receptor antagonists88US 5,578,725 ARegents of the University of Minnesota · 1996
- Opioid agonist compounds78US 5,225,417 AG. D. Searle & Co. · 1993
- Opioid agonist compounds63US 5,354,863 AG. D. Searle & Co. · 1994
- Agonist compounds58US 5,886,001 AAstra AB · 1999
- Methoxatin derivatives42US 8,198,290 B2Berry and Associates, Inc. · 2012