C07C 253/14
Preparation of carboxylic acid nitriles: by reaction of cyanides with halogen-containing compounds
Official title: by reaction of cyanides with halogen-containing compounds with replacement of halogen atoms by cyano groups
C07C253/14 (Preparation of carboxylic acid nitriles: by reaction of cyanides with halogen-containing compounds) appears on 143 US grants and 86 published applications in this corpus.
Search patents in C07C- Granted patents
- 143
- Published applications
- 86
- Assignees
- 102
- Inventors
- 402
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 4 | 0 |
| 1978 | 11 | 0 |
| 1979 | 5 | 0 |
| 1980 | 4 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 4 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 5 | 0 |
| 2001 | 3 | 0 |
| 2002 | 5 | 1 |
| 2003 | 1 | 4 |
| 2004 | 3 | 6 |
| 2005 | 3 | 3 |
| 2006 | 2 | 5 |
| 2007 | 0 | 0 |
| 2008 | 2 | 0 |
| 2009 | 4 | 5 |
| 2010 | 1 | 8 |
| 2011 | 5 | 7 |
| 2012 | 6 | 3 |
| 2013 | 4 | 5 |
| 2014 | 4 | 2 |
| 2015 | 7 | 6 |
| 2016 | 5 | 4 |
| 2017 | 3 | 3 |
| 2018 | 1 | 3 |
| 2019 | 3 | 0 |
| 2020 | 2 | 3 |
| 2021 | 3 | 6 |
| 2022 | 2 | 4 |
| 2023 | 5 | 1 |
| 2024 | 2 | 1 |
| 2025 | 0 | 4 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Process for the synthesis of anthranilic acid/amide compounds and intermediates thereof23 Jun 2026US 12,662,446 B2Pi Industries Ltd.
- Method for producing 2-(halogenated methyl)naphthalene and 2-naphthyl acetonitrile26 May 2026US 12,637,417 B2Ube Corporation
- Process for preparing cyanoacetates7 May 2024US 11,976,024 B2Henkel AG & Co. KGaA
- Method of making perfluorocyclobutane-containing monomer5 Mar 2024US 11,919,834 B2Solvay Specialty Polymers Italy S.P.A.
- Process for the synthesis anthranilic diamide compounds and intermediates thereof8 Aug 2023US 11,718,584 B2Pi Industries Ltd.
- Photochemical systems and methods for preparing cyanobenzamides27 Aug 2026US 2026/0250240 A1FMC Corporation
- Method for producing 2-(halogenated methyl)naphthalene and 2-naphthyl acetonitrile16 Jul 2026US 2026/0200836 A1Ube Corporation
- Process for preparing cyano substituted anthranilic diamides and intermediates thereof4 Dec 2025US 2025/0368602 A1Pi Industries Ltd.
- Process for producing l-carnitine26 Jun 2025US 2025/0206696 A1Carnitech LLC
- Photoredox methods for radiocyanation of arenes and use thereof24 Apr 2025US 2025/0129016 A1The University of North Carolina at Chapel Hill
Most cited
By later US patents
- Phase transfer catalysis of heterogeneous reactions by quaternary salts123US 3,992,432 AContinental Oil Company · 1976
- Copper-catalyzed formation of carbon-heteroatom and carbon-carbon bonds78US 6,759,554 B2Massachusetts Institute of Technology · 2004
- Copper-catalyzed formation of carbon-heteroatom and carbon-carbon bonds72US 6,867,298 B2Massachusetts Institute of Technology · 2005
- Copper-catalyzed formation of carbon-heteroatom and carbon-carbon bonds67US 6,888,032 B2Massachusetts Institute of Technology · 2005
- Copper-catalyzed formation of carbon-heteroatom and carbon-carbon bonds63US 7,323,608 B2Massachusetts Institute of Technology · 2008