C07D 213/46
Oxygen atoms
C07D213/46 (Oxygen atoms) appears on 802 US grants and 542 published applications in this corpus.
Search patents in C07D- Granted patents
- 802
- Published applications
- 542
- Assignees
- 453
- Inventors
- 2,317
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 20 | 0 |
| 1977 | 28 | 0 |
| 1978 | 25 | 0 |
| 1979 | 8 | 0 |
| 1980 | 16 | 0 |
| 1981 | 22 | 0 |
| 1982 | 14 | 0 |
| 1983 | 10 | 0 |
| 1984 | 16 | 0 |
| 1985 | 19 | 0 |
| 1986 | 10 | 0 |
| 1987 | 12 | 0 |
| 1988 | 12 | 0 |
| 1989 | 13 | 0 |
| 1990 | 12 | 0 |
| 1991 | 10 | 0 |
| 1992 | 18 | 0 |
| 1993 | 18 | 0 |
| 1994 | 10 | 0 |
| 1995 | 13 | 0 |
| 1996 | 22 | 0 |
| 1997 | 13 | 0 |
| 1998 | 17 | 0 |
| 1999 | 17 | 0 |
| 2000 | 13 | 0 |
| 2001 | 15 | 1 |
| 2002 | 21 | 12 |
| 2003 | 16 | 28 |
| 2004 | 10 | 32 |
| 2005 | 15 | 25 |
| 2006 | 13 | 28 |
| 2007 | 17 | 26 |
| 2008 | 16 | 22 |
| 2009 | 18 | 28 |
| 2010 | 16 | 29 |
| 2011 | 17 | 29 |
| 2012 | 11 | 23 |
| 2013 | 26 | 25 |
| 2014 | 26 | 29 |
| 2015 | 29 | 26 |
| 2016 | 18 | 30 |
| 2017 | 28 | 31 |
| 2018 | 19 | 19 |
| 2019 | 26 | 17 |
| 2020 | 13 | 17 |
| 2021 | 12 | 12 |
| 2022 | 9 | 9 |
| 2023 | 10 | 16 |
| 2024 | 3 | 13 |
| 2025 | 8 | 11 |
| 2026 | 2 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Hydroxynorketamine analogues, compositions comprising same and methods of use thereof16 Jun 2026US 12,655,089 B2Spirify Pharma Inc.
- Synthesis of compounds to promote hair growth9 Jun 2026US 12,649,736 B2The Regents of the University of California
- Method of asymmetrically synthesizing nicotine16 Dec 2025US 12,497,380 B2
- Arylcyclohexylamine derivatives and process for preparing same11 Nov 2025US 12,466,782 B2Technische Hochschule KöLn
- Process for the preparation of substituted pyridine compounds and intermediates thereof23 Sep 2025US 12,421,194 B2Pi Industries Ltd.
- Galpha12 inhibitors and methods using same10 Sep 2026US 2026/0265220 A1Rutgers, The State University of New Jersey
- Pannexin-1 modulators and methods of treating disorders in which pannexin-1 is implicated28 May 2026US 2026/0146041 A1Pannex Therapeutics Inc.
- Plasmodium falciparum blood stage inhibitors9 Apr 2026US 2026/0097046 A1
- Squaramide derivatives as cb1 allosteric modulators5 Mar 2026US 2026/0062376 A1Research Triangle Institute
- Heteroaryl compounds for the treatment of pain25 Dec 2025US 2025/0388541 A1Vertex Pharmaceuticals Incorporated
Most cited
By later US patents
- Compounds with activity on muscarinic receptors147US 6,528,529 B1ACADIA Pharmaceuticals Inc. · 2003
- Ligands for metals and improved metal-catalyzed processes based thereon143US 6,307,087 B1Massachusetts Institute of Technology · 2001
- Substituted pyridines useful as modulators of acethylcholine receptors124US 5,852,041 ASibia Neurosciences, Inc. · 1998
- Electrochemiluminescent rhenium moieties and methods for their use120US 5,591,581 AIgen, Inc. · 1997
- Cell differentiation inducer110US 6,174,905 B1Mitsui Chemicals, Inc. · 2001