C07C 209/76
By nitration
Official title: by nitration
C07C209/76 (By nitration) appears on 16 US grants and 12 published applications in this corpus.
Search patents in C07C- Granted patents
- 16
- Published applications
- 12
- Assignees
- 11
- Inventors
- 30
- Latest grant
- 24 Oct 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 1 | 0 |
| 2009 | 1 | 1 |
| 2010 | 0 | 1 |
| 2011 | 1 | 0 |
| 2012 | 1 | 2 |
| 2013 | 1 | 1 |
| 2014 | 1 | 0 |
| 2015 | 0 | 2 |
| 2016 | 1 | 1 |
| 2017 | 1 | 1 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Synthesis of triethylenetetramines24 Oct 2023US 11,795,150 B2Philera New Zealand Limited
- Synthesis of triethylenetetramines31 Jan 2017US 9,556,123 B2Philera New Zealand Limited
- Method and apparatus for denenoxing waste gases from nitration24 May 2016US 9,346,012 B2Covestro Deutschland AG
- Synthesis of triethylenetetramines16 Dec 2014US 8,912,362 B2Philera New Zealand Limited
- Synthesis of triethylenetetramines12 Mar 2013US 8,394,992 B2Philera New Zealand Limited
- Synthesis of Triethylenetetramines14 May 2020US 2020/0148647 A1Philera New Zealand Limited
- Synthesis of Triethylenetetramines10 Aug 2017US 2017/0226064 A1Philera New Zealand Limited
- Synthesis of Triethylenetetramines14 Apr 2016US 2016/0102060 A1Philera New Zealand Limited
- Method and apparatus for nenoxing waste gases from nitration10 Dec 2015US 2015/0352488 A1Covestro Deutschland AG
- Synthesis of Triethylenetetramines26 Feb 2015US 2015/0057466 A1Philera New Zealand Limited
Most cited
By later US patents
- Preparation of 2,6-dinitroanilines10US 4,136,117 AAmerican Cyanamid Company · 1979
- Nitration processes9US 4,621,157 A1986
- Method and apparatus for denenoxing waste gases from nitration8US 9,346,012 B2Covestro Deutschland AG · 2016
- Synthesis of triethylenetetramines4US 7,582,796 B2Protemix Corporation Limited · 2009
- Process for production of unsymmetrical dimethylhydrazine by nitrosation of dimethylamine and hydrogenation of the nitroso dimethylamine to the distillation of unsymmetrical dimethylhydrazine3US 4,038,321 ATeledyne McCormick Selph · 1977