C07D 215/20
Oxygen atoms
C07D215/20 (Oxygen atoms) appears on 2,174 US grants and 1,969 published applications in this corpus.
Search patents in C07D- Granted patents
- 2,174
- Published applications
- 1,969
- Assignees
- 1,001
- Inventors
- 6,709
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 30 | 0 |
| 1977 | 40 | 0 |
| 1978 | 20 | 0 |
| 1979 | 16 | 0 |
| 1980 | 23 | 0 |
| 1981 | 26 | 0 |
| 1982 | 30 | 0 |
| 1983 | 29 | 0 |
| 1984 | 28 | 0 |
| 1985 | 33 | 0 |
| 1986 | 45 | 0 |
| 1987 | 21 | 0 |
| 1988 | 35 | 0 |
| 1989 | 36 | 0 |
| 1990 | 28 | 0 |
| 1991 | 37 | 0 |
| 1992 | 26 | 0 |
| 1993 | 51 | 0 |
| 1994 | 34 | 0 |
| 1995 | 47 | 0 |
| 1996 | 34 | 0 |
| 1997 | 43 | 0 |
| 1998 | 33 | 0 |
| 1999 | 33 | 0 |
| 2000 | 35 | 0 |
| 2001 | 29 | 6 |
| 2002 | 33 | 44 |
| 2003 | 43 | 65 |
| 2004 | 33 | 83 |
| 2005 | 40 | 87 |
| 2006 | 59 | 99 |
| 2007 | 38 | 86 |
| 2008 | 41 | 84 |
| 2009 | 75 | 95 |
| 2010 | 51 | 119 |
| 2011 | 80 | 93 |
| 2012 | 77 | 98 |
| 2013 | 90 | 91 |
| 2014 | 78 | 119 |
| 2015 | 98 | 87 |
| 2016 | 60 | 91 |
| 2017 | 69 | 71 |
| 2018 | 49 | 80 |
| 2019 | 62 | 69 |
| 2020 | 50 | 67 |
| 2021 | 48 | 68 |
| 2022 | 39 | 41 |
| 2023 | 28 | 80 |
| 2024 | 29 | 53 |
| 2025 | 39 | 60 |
| 2026 | 23 | 33 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Membrane-active anti-bacterial compounds and uses thereof29 Sep 2026US 12,747,213 B2Regents of the University of Minnesota
- GluN2B-subunit selective antagonists of the N-methyl-D-aspartate receptors with enhanced potency at acidic pH29 Sep 2026US 12,747,221 B2Emory Univeristy
- Cabozantinib compositions and methods of use22 Sep 2026US 12,741,938 B2Handa Oncology, LLC
- Direct aromatic carbon-oxygen and carbon-hydrogen bond functionalization via organic photoredox catalyst8 Sep 2026US 12,729,169 B2The University of North Carolina at Chapel Hill
- Mitochondrial ATP inhibitors targeting the gamma subunit prevent metastasis1 Sep 2026US 12,723,029 B2Lunella Biotech, Inc.
- Crystalline forms of 3-(5,7-difluoro-4-oxo-1,4-dihydroquinolin-2-yl)-4-(methylsulfonyl)benzonitrile8 Oct 2026US 2026/0308126 A1
- Indene compounds, pharmaceutical compositions thereof, and their therapeutic applications1 Oct 2026US 2026/0297012 A1NucMito Pharmaceuticals Co. Ltd.
- Therapeutic compounds24 Sep 2026US 2026/0285836 A1Rutgers, The State University of New Jersey
- Heterocyclic derivatives, compositions and uses thereof17 Sep 2026US 2026/0274799 A1Danatlas Pharmaceuticals Co., Ltd.
- A method for synthesizing aryl ethers ortho-substituted to the nitrogen atom of n-heterocycles3 Sep 2026US 2026/0257997 A1Xinjiang University
Most cited
By later US patents
- Cyclic-substituted unsymmetrical cyanine dyes371US 5,436,134 AMolecular Probes, Inc. · 1995
- Fused cycloalkylimidazopyridines299US 5,352,784 AMinnesota Mining and Manufacturing Company · 1994
- Process for preparing quinoline amines240US 5,395,937 AMinnesota Mining and Manufacturing Company · 1995
- Quinoline and quinoxaline compounds which inhibit platelet-derived growth factor and/or p56lck tyrosine kinases232US 6,180,632 B2Aventis Pharmaceuticals Products Inc. · 2001
- Bis mono- and bicyclic aryl and heteroaryl compounds which inhibit EGF and/or PDGF receptor tyrosine kinase226US 5,480,883 ARhone-Poulenc Rorer Pharmaceuticals Inc. · 1996