C07D 233/72
Two oxygen atoms
Official title: Two oxygen atoms, e.g. hydantoin
C07D233/72 (Two oxygen atoms) appears on 808 US grants and 496 published applications in this corpus.
Search patents in C07D- Granted patents
- 808
- Published applications
- 496
- Assignees
- 354
- Inventors
- 1,881
- Latest grant
- 7 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 19 | 0 |
| 1977 | 14 | 0 |
| 1978 | 34 | 0 |
| 1979 | 23 | 0 |
| 1980 | 31 | 0 |
| 1981 | 22 | 0 |
| 1982 | 8 | 0 |
| 1983 | 3 | 0 |
| 1984 | 23 | 0 |
| 1985 | 10 | 0 |
| 1986 | 11 | 0 |
| 1987 | 16 | 0 |
| 1988 | 9 | 0 |
| 1989 | 11 | 0 |
| 1990 | 9 | 0 |
| 1991 | 12 | 0 |
| 1992 | 9 | 0 |
| 1993 | 10 | 0 |
| 1994 | 15 | 0 |
| 1995 | 17 | 0 |
| 1996 | 14 | 0 |
| 1997 | 20 | 0 |
| 1998 | 15 | 0 |
| 1999 | 18 | 0 |
| 2000 | 22 | 0 |
| 2001 | 29 | 1 |
| 2002 | 25 | 15 |
| 2003 | 16 | 38 |
| 2004 | 21 | 35 |
| 2005 | 15 | 20 |
| 2006 | 14 | 23 |
| 2007 | 13 | 23 |
| 2008 | 7 | 13 |
| 2009 | 10 | 20 |
| 2010 | 21 | 30 |
| 2011 | 17 | 25 |
| 2012 | 15 | 22 |
| 2013 | 21 | 15 |
| 2014 | 20 | 16 |
| 2015 | 13 | 19 |
| 2016 | 10 | 24 |
| 2017 | 21 | 19 |
| 2018 | 22 | 24 |
| 2019 | 19 | 24 |
| 2020 | 17 | 22 |
| 2021 | 19 | 17 |
| 2022 | 4 | 11 |
| 2023 | 10 | 7 |
| 2024 | 20 | 16 |
| 2025 | 8 | 11 |
| 2026 | 6 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- 5-(3-bromophenyl)-3-((diethylamino)methyl)-5-methylimidazolidine-2,4-dioneas7 Jul 2026US 12,673,922 B1King Faisal University
- Histone deacetylase inhibitors26 May 2026US 12,637,433 B2The University of Queensland
- Adventitial painting modality of local drug delivery to abate intimal hyperplasia5 May 2026US 12,616,656 B2University of Virginia Patent Foundation
- PSMA imaging agents24 Mar 2026US 12,583,887 B2Siemens Medical Solutions USA, Inc.
- PSMA imaging agents24 Feb 2026US 12,559,521 B2Siemens Medical Solutions USA, Inc.
- Matrix metalloproteinase (mmp) inhibitors and methods of use thereof10 Sep 2026US 2026/0265232 A1Foresee Pharmaceuticals USA, Inc.
- Therapy based on synthetic lethality in swi/snf complex-dysfunction cancer27 Aug 2026US 2026/0248806 A1National Cancer Center
- Dihydroindene derivatives as malt1 inhibitors2 Jul 2026US 2026/0184687 A1C4X Discovery Limited
- Nitrosation Reagents and Methods9 Apr 2026US 2026/0098021 A1
- N-(benzhydryl)cycloalkylcarboxamide derivatives as inhibitors of glycogen synthase 1 (gys1) and methods of use thereof26 Mar 2026US 2026/0085034 A1Maze Therapeutics, Inc.
Most cited
By later US patents
- Pharmaceutical formulations for parenteral use208US 5,024,998 AUniversity of Florida · 1991
- Bleaching compounds and compositions comprising fatty peroxyacids salts thereof and precursors therefor having amide moieties in the fatty chain154US 4,634,551 AThe Procter & Gamble Company · 1987
- Poly(ethylenically unsaturated alkoxy) heterocyclic protective coatings144US 4,262,072 AMinnesota Mining and Manufacturing Company · 1981
- Compounds and compositions for intracellular delivery of therapeutic agents143US 9,868,691 B2ModernaTX, Inc. · 2018
- 1-(3'-Trifluoromethyl-4'-nitrophenyl)-4,4-dimethyl imidazolidines107US 4,097,578 ARoussel Uclaf · 1978