C07C 255/08
Acrylonitrile
Official title: Acrylonitrile; Methacrylonitrile
C07C255/08 (Acrylonitrile) appears on 38 US grants and 36 published applications in this corpus.
Search patents in C07C- Granted patents
- 38
- Published applications
- 36
- Assignees
- 24
- Inventors
- 90
- Latest grant
- 2 Jan 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 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 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 2 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 1 | 1 |
| 2016 | 0 | 1 |
| 2017 | 0 | 1 |
| 2018 | 1 | 5 |
| 2019 | 6 | 12 |
| 2020 | 7 | 4 |
| 2021 | 4 | 6 |
| 2022 | 2 | 1 |
| 2023 | 7 | 1 |
| 2024 | 1 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for purifying nitrile solvent2 Jan 2024US 11,858,881 B2Nippon Soda Co., Ltd.
- Method for preparing acrylonitrile dimer19 Dec 2023US 11,845,711 B2LG Chem.Ltd.
- Method for producing acrylonitrile28 Nov 2023US 11,827,585 B2Asahi Kasei Kabushiki Kaisha
- Method for producing oxide catalyst and method for producing unsaturated nitrile7 Nov 2023US 11,806,702 B2Asahi Kasei Kabushiki Kaisha
- Off-gas incinerator control5 Sep 2023US 11,745,157 B2Ineos Europe AG
- Catalyst, method for producing catalyst, and method for producing acrylonitrile20 Aug 2026US 2026/0241372 A1Asahi Kasei Kabushiki Kaisha
- Catalyst and method for manufacturing the same, and method for manufacturing unsaturated nitrile or alkene25 Jun 2026US 2026/0175203 A1Asahi Kasei Kabushiki Kaisha
- Method for preparing acrylonitrile dimer23 Feb 2023US 2023/0057964 A1LG Chem.Ltd.
- System and Method for Producing Propylene and Acrylonitrile from Carbon Dioxide and Ethylene3 Feb 2022US 2022/0033351 A1
- Method for producing oxide catalyst and method for producing unsaturated nitrile4 Nov 2021US 2021/0339239 A1Asahi Kasei Kabushiki Kaisha
Most cited
By later US patents
- Nitrogenation of hydrocarbons, including the production of maleimide25US 4,599,430 AThe Standard Oil Company · 1986
- Acrolein scavengers13US 5,606,094 ABaker Hughes Incorporated · 1997
- Process for the production of petrochemicals12US 5,179,215 AThe BOC Group, Inc. · 1993
- Oxidation of unsaturated amines4US 3,940,429 AMonsanto Company · 1976
- Quaternary ammonium adducts of polymerizable tertiary ammonium salts and acrylonitrile4US 4,310,472 APetrolite Corporation · 1982