C07C 253/04
Preparation of carboxylic acid nitriles: by reaction of cyanogen halides
Official title: by reaction of cyanogen halides, e.g. ClCN, with organic compounds
C07C253/04 (Preparation of carboxylic acid nitriles: by reaction of cyanogen halides) appears on 16 US grants and 8 published applications in this corpus.
Search patents in C07C- Granted patents
- 16
- Published applications
- 8
- Assignees
- 11
- Inventors
- 30
- Latest grant
- 15 Dec 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
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| 1980 | 1 | 0 |
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| 2005 | 0 | 1 |
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| 2011 | 1 | 1 |
| 2012 | 1 | 0 |
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| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Installation and process for the preparation of hydrogen cyanide15 Dec 2020US 10,865,118 B2Arkema France
- Polymeric materials made from vanillin14 May 2019US 10,287,237 B1The United States of America as represented by the Secretary of the Navy
- Installation and process for the preparation of hydrogen cyanide17 Apr 2018US 9,944,533 B2Arkema France
- Polymeric materials made from vanillin14 Nov 2017US 9,815,775 B1The United States of America as represented by the Secretary of the Navy
- Preparation and thermal curing of single-ring bis(cyanate) ester monomers6 Sep 2016US 9,434,685 B1The United States of America as represented by the Secretary of the Navy
- Photochemical systems and methods for preparing cyanobenzamides27 Aug 2026US 2026/0250240 A1FMC Corporation
- Installation and process for the preparation of hydrogen cyanide2 Aug 2018US 2018/0215626 A1Arkema France
- Installation and process for the preparation of hydrogen cyanide7 Jul 2016US 2016/0194212 A1Arkema France
- Rilpivirine process18 Sep 2014US 2014/0275538 A1Emcure Pharmaceuticals Limited
- Method for Allylating and Vinylating Aryl, Heteroaryl, Alkyl, and Alkene Halogenides Using Transition Metal Catalysis18 Jul 2013US 2013/0184485 A1Saltigo GmbH
Most cited
By later US patents
- Process for the production of substituted acetonitriles4US 4,369,322 ADegussa AG · 1983
- Production of carbonyl compounds substituted in .alpha.-position2US 3,939,184 ABadische Anilin- & Soda-Fabrik Aktiengesellschaft · 1976
- Process for the preparation of nitriles1US 4,189,580 ABayer Aktiengesellschaft · 1980