C07C 67/22
From nitriles
Official title: from nitriles
C07C67/22 (From nitriles) appears on 30 US grants and 29 published applications in this corpus.
Search patents in C07C- Granted patents
- 30
- Published applications
- 29
- Assignees
- 19
- Inventors
- 81
- Latest grant
- 4 Oct 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 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 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 1 |
| 2005 | 0 | 1 |
| 2006 | 1 | 2 |
| 2007 | 1 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 2 |
| 2010 | 1 | 2 |
| 2011 | 1 | 3 |
| 2012 | 2 | 1 |
| 2013 | 1 | 0 |
| 2014 | 0 | 3 |
| 2015 | 3 | 2 |
| 2016 | 4 | 0 |
| 2017 | 1 | 1 |
| 2018 | 2 | 2 |
| 2019 | 1 | 3 |
| 2020 | 4 | 3 |
| 2021 | 1 | 1 |
| 2022 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Process for preparing azelaic acid4 Oct 2022US 11,459,288 B2Corum Inc.
- Chemoselective methylene hydroxylation in aromatic molecules30 Mar 2021US 10,961,266 B2The Board of Trustees of the University of Illinois
- Method for preparing 2-(cyclohexenylidene) malonic acid derivatives and uses thereof17 Nov 2020US 10,836,777 B2Oriental (Luzhou) Agrochemicals. Co., Ltd.
- Fluorination of acrylate esters and derivatives8 Sep 2020US 10,766,845 B2Vifor (International) AG
- Fluorination of acrylate esters and derivatives10 Mar 2020US 10,584,089 B2Vifor (International) AG
- Process for preparing azelaic acid18 Feb 2021US 2021/0047257 A1Corum Inc.
- Fluorination of acrylate esters and derivatives2 Jul 2020US 2020/0207694 A1Vifor (International) AG
- Chemoselective methylene hydroxylation in aromatic molecules19 Mar 2020US 2020/0087331 A1The Board of Trustees of the University of Illinois
- Fluorination of acrylate esters and derivatives30 Jan 2020US 2020/0031752 A9Vifor (International) AG
- Method for preparing 2-(cyclohexenylidene) malonic acid derivatives and uses thereof26 Sep 2019US 2019/0292200 A1Oriental (Luzhou) Agrochemicals. Co., Ltd.
Most cited
By later US patents
- Process for producing carboxylic acid esters from nitriles18US 4,408,067 ANitto Chemical Industries Co., Ltd. · 1983
- Process for production of methacrylic acid16US 7,253,307 B1Rohm and Haas Company · 2007
- Method for producing 2-hydroxyester compound13US 7,737,296 B2Nippoh Chemicals Co., Ltd. · 2010
- Chemical process for preparing alkyl esters or the amide of 3-(.beta.,.beta .8US 4,228,299 AImperial Chemical Industries PLC · 1980
- Preparation of a-methoxyiminocarboxylic acid methylamides and intermediates therefore4US 5,856,560 ABASF SE · 1999