C07C 201/02
Preparation of esters of nitric acid
C07C201/02 (Preparation of esters of nitric acid) appears on 52 US grants and 49 published applications in this corpus.
Search patents in C07C- Granted patents
- 52
- Published applications
- 49
- Assignees
- 40
- Inventors
- 167
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 1 |
| 2004 | 2 | 0 |
| 2005 | 0 | 2 |
| 2006 | 1 | 5 |
| 2007 | 2 | 4 |
| 2008 | 2 | 2 |
| 2009 | 1 | 1 |
| 2010 | 3 | 4 |
| 2011 | 1 | 2 |
| 2012 | 1 | 1 |
| 2013 | 2 | 2 |
| 2014 | 1 | 1 |
| 2015 | 0 | 2 |
| 2016 | 2 | 3 |
| 2017 | 0 | 1 |
| 2018 | 1 | 1 |
| 2019 | 2 | 3 |
| 2020 | 1 | 2 |
| 2021 | 1 | 1 |
| 2022 | 1 | 2 |
| 2023 | 0 | 7 |
| 2024 | 0 | 1 |
| 2025 | 2 | 0 |
| 2026 | 3 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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.
- Process for the preparation of a-methyl-[4-(nitro)-2-(trifluoromethyl)-benzyl nitrate9 Sep 2025US 12,410,119 B2BASF Agro B.V.
- Process for the preparation of 1-[4-nitro-2-(trifluoromethyl)phenyl]-alkanones24 Jun 2025US 12,338,195 B2BASF SE
- Process for the preparation of a nitric oxide donating prostaglandin analogue16 May 2024US 2024/0158345 A1Nicox S A.
- Process for the acylation of an alpha, omega-alkandiol1 Jun 2023US 2023/0167047 A1Dsm IP Assets B.V.
- Process for the preparation of omega-alkanediol mononitrate1 Jun 2023US 2023/0167048 A1Dsm IP Assets B.V.
- Process for nitrate ester formation of an alpha,omega-alkanediol monoacylate18 May 2023US 2023/0150916 A1Dsm IP Assets B.V.
- Process for the preparation of alpha,omega-alkanediol mononitrate18 May 2023US 2023/0150917 A1Dsm IP Assets B.V.
Most cited
By later US patents
- Co-nitrating trimetholethane and diethylene glycol14US 4,352,699 AHercules Incorporated · 1982
- Synthesis method of nitroxymethylphenyl esters of aspirin derivatives11US 6,512,137 B1Nicox S A. · 2003
- Recovery of nitrated compounds using solvent extraction and distillation10US 4,167,521 AAtlas Powder Company · 1979
- Process for the production of high energy material6US 4,820,859 ASecretary of State for Defence in Her Majesty's Government of the United Kingdom · 1989
- Process for the manufacture of nitric acid esters6US 4,853,157 AAECI Limited · 1989