C07C 51/316
With oxides of nitrogen or nitrogen-containing mineral acids
Official title: {with oxides of nitrogen or nitrogen-containing mineral acids}
C07C51/316 (With oxides of nitrogen or nitrogen-containing mineral acids) appears on 48 US grants and 30 published applications in this corpus.
Search patents in C07C- Granted patents
- 48
- Published applications
- 30
- Assignees
- 35
- Inventors
- 136
- Latest grant
- 4 Jun 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 1 | 0 |
| 1978 | 4 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 3 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 2 | 0 |
| 2007 | 1 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 3 |
| 2010 | 1 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 3 |
| 2013 | 0 | 3 |
| 2014 | 1 | 4 |
| 2015 | 3 | 2 |
| 2016 | 2 | 2 |
| 2017 | 3 | 2 |
| 2018 | 0 | 0 |
| 2019 | 1 | 1 |
| 2020 | 2 | 2 |
| 2021 | 0 | 2 |
| 2022 | 2 | 0 |
| 2023 | 0 | 0 |
| 2024 | 1 | 1 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Method for producing dicarboxylic acid4 Jun 2024US 11,999,688 B2Dalian Institute of Chemical Physics, Chinese Academy of Sciences
- Process for preparation of nitrogen oxides and nitric acid from nitrous oxide17 May 2022US 11,332,370 B2Ascend Performance Materials Operations LLC
- Cycloalkane oxidation catalysts and method to produce alcohols and ketones19 Apr 2022US 11,306,052 B2Performance Polyamides, SAS
- Method for producing adipamide as intermediate for production of raw material for bio-based nylon10 Nov 2020US 10,829,439 B2Hyundai Motor Company
- Process for preparation of nitrogen oxides and nitric acid from nitrous oxide28 Jul 2020US 10,723,624 B2Ascend Performance Materials Operations LLC
- Method of preparing glucaric acid from glucose using nitroxide radical-mediated organocatalyst and method of separating glucaric acid6 Feb 2025US 2025/0042832 A1Seoul National University R&Db Foundation
- A process for decomposing nitrous oxide from a gas stream4 Jul 2024US 2024/0216861 A1BASF SE
- Cashew nut shell liquid derivatives and methods for making and using same4 Nov 2021US 2021/0340315 A1Cardolite Corporation
- Method for producing dicarboxylic acid20 May 2021US 2021/0147331 A1Dalian Institute of Chemical Physics, Chinese Academy of Sciences
- Process for preparation of nitrogen oxides and nitric acid from nitrous oxide1 Oct 2020US 2020/0307999 A1Ascend Performance Materials Operations LLC
Most cited
By later US patents
- Esterification and extraction process55US 4,082,788 AEl Paso Products Company · 1978
- Oxidation process42US 5,599,977 A1997
- Process for the production of cyclohexyladipates and adipic acid29US 5,374,767 AE. I. Du Pont de Nemours and Company · 1994
- Membrane solvent extraction process26US 4,532,347 AVaren Technology · 1985
- Process for preparing adipic acid with recovery of glutaric and succinic acids11US 4,254,283 AMonsanto Company · 1981