C07C 243/04
N-nitroso compounds
C07C243/04 (N-nitroso compounds) appears on 25 US grants and 15 published applications in this corpus.
Search patents in C07C- Granted patents
- 25
- Published applications
- 15
- Assignees
- 22
- Inventors
- 61
- Latest grant
- 4 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 6 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 2 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 1 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 3 |
| 2020 | 3 | 1 |
| 2021 | 2 | 0 |
| 2022 | 0 | 1 |
| 2023 | 1 | 1 |
| 2024 | 0 | 1 |
| 2025 | 2 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Nitrosation reagents and methods4 Nov 2025US 12,459,909 B2The Regents of the University of California
- NO donor compound, preparation method thereof, pharmaceutical composition comprising same, and use thereof15 Apr 2025US 12,275,686 B2Southeast University
- Photosensitized release of nitric oxide7 Nov 2023US 11,807,529 B1University of Puerto Rico
- Nitric oxide donors19 Oct 2021US 11,148,999 B2MedChem Partners, LLC
- Process for the cyclopropanation of olefins using N-methyl-N-nitroso compounds15 Jun 2021US 11,034,628 B2Givaudan SA
- Nitrosation Reagents and Methods9 Apr 2026US 2026/0098021 A1
- No donor compound, preparation method thereof, pharmaceutical composition comprising same, and use thereof12 Dec 2024US 2024/0409500 A1Southeast University
- Nitrosation Reagents and Methods3 Aug 2023US 2023/0242495 A1The Regents of the University of California
- Nitric oxide donors3 Mar 2022US 2022/0064106 A1MedChem Partners, LLC
- Process for the cyclopropanation of olefins using n-methyl-n-nitroso compounds4 Jun 2020US 2020/0172453 A1Givaudan SA
Most cited
By later US patents
- Complexes of nitric oxide with polyamines105US 5,155,137 AThe United States of America, as represented by the Secretary, Department of Health and Human Services · 1992
- Complexes of nitric oxide with polyamines66US 5,250,550 AThe Government of the United States of America as represented by the Secretary of the Department of Health and Human Services · 1993
- N-nitroso-N-substituted hydroxylamines as nitric oxide donors44US 5,698,738 ABoard of Regents, The University of Texas System · 1997
- Process for preparing an optically active cyclobutane nucleoside27US 5,064,961 AE. R. Squibb & Sons, Inc. · 1991
- Polymerization inhibitors for acrylic acids and esters11US 6,210,536 B1Uniroyal Chemical Company, Inc. · 2001