C07C 203/02
Esters of nitric acid
C07C203/02 (Esters of nitric acid) appears on 103 US grants and 99 published applications in this corpus.
Search patents in C07C- Granted patents
- 103
- Published applications
- 99
- Assignees
- 61
- Inventors
- 260
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 4 | 0 |
| 1996 | 2 | 0 |
| 1997 | 6 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 1 |
| 2002 | 1 | 3 |
| 2003 | 0 | 0 |
| 2004 | 2 | 4 |
| 2005 | 2 | 5 |
| 2006 | 2 | 3 |
| 2007 | 3 | 7 |
| 2008 | 4 | 7 |
| 2009 | 3 | 5 |
| 2010 | 6 | 8 |
| 2011 | 2 | 4 |
| 2012 | 3 | 4 |
| 2013 | 1 | 0 |
| 2014 | 3 | 7 |
| 2015 | 4 | 3 |
| 2016 | 3 | 6 |
| 2017 | 4 | 2 |
| 2018 | 3 | 4 |
| 2019 | 4 | 6 |
| 2020 | 2 | 1 |
| 2021 | 3 | 4 |
| 2022 | 4 | 3 |
| 2023 | 1 | 7 |
| 2024 | 2 | 3 |
| 2025 | 2 | 2 |
| 2026 | 3 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Nitrates of ethers of glycerol and ethanol as diesel cetane improvers and the production process of the same25 Aug 2026US 12,715,836 B2Petroleo Brasileiro S.A. - Petrobras
- Process for nitrate ester formation of an α,ω-alkanediol monoacylate28 Apr 2026US 12,612,356 B2Dsm IP Assets B.V.
- Process for the acylation of an alpha, omega-alkanediol13 Jan 2026US 12,522,558 B2Dsm IP Assets B.V.
- Dicarboxylic acid diesters16 Dec 2025US 12,497,347 B2Dsm IP Assets B.V.
- Process for the preparation of a-methyl-[4-(nitro)-2-(trifluoromethyl)-benzyl nitrate9 Sep 2025US 12,410,119 B2BASF Agro B.V.
- Dicarboxylic acid diesters18 Dec 2025US 2025/0382256 A1Dsm IP Assets B.V.
- Electrochemical Alcohol Nitration Systems and Methods27 Nov 2025US 2025/0361627 A1Nalas Engineering Services Inc.
- Broad spectrum pathogen control in plants19 Sep 2024US 2024/0306646 A1Aphea. Bio NV
- Dicarboxylic acid diesters11 Jul 2024US 2024/0228426 A1Dsm IP Assets B.V.
- Synergistic cannabinoid esters, their salts and uses thereof13 Jun 2024US 2024/0189327 A1London Pharmaceuticals and Research Corporation
Most cited
By later US patents
- Nitro compounds of the formula A-X.sub.i -NO.sub.2 and their compositions having anti-inflammatory, analgesic and anti-thrombotic activities60US 5,861,426 ANicox S A. · 1999
- Nitric esters having anti-inflammatory and/or analgesic activity and process for their preparation58US 5,700,947 ANicox S A. · 1997
- Nitric esters having a pharmacological activity and process for their preparation54US 5,621,000 ANicox S A. · 1997
- Compounds and their compositions having anti-inflammatory and anti-thrombotic activities45US 6,040,341 ANicox S A. · 2000
- Nitric esters having anti-inflammatory and/or analgesic activity and process for their preparation41US 5,780,495 ANicox S A. · 1998