C07C 253/30
Preparation of carboxylic acid nitriles: by reactions not involving the formation of
Official title: by reactions not involving the formation of cyano groups
C07C253/30 (Preparation of carboxylic acid nitriles: by reactions not involving the formation of) appears on 1,179 US grants and 1,065 published applications in this corpus.
Search patents in C07C- Granted patents
- 1,179
- Published applications
- 1,065
- Assignees
- 655
- Inventors
- 3,331
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 5 | 0 |
| 1978 | 5 | 0 |
| 1979 | 11 | 0 |
| 1980 | 6 | 0 |
| 1981 | 14 | 0 |
| 1982 | 6 | 0 |
| 1983 | 6 | 0 |
| 1984 | 2 | 0 |
| 1985 | 6 | 0 |
| 1986 | 7 | 0 |
| 1987 | 6 | 0 |
| 1988 | 3 | 0 |
| 1989 | 9 | 0 |
| 1990 | 12 | 0 |
| 1991 | 11 | 0 |
| 1992 | 12 | 0 |
| 1993 | 12 | 0 |
| 1994 | 15 | 0 |
| 1995 | 20 | 0 |
| 1996 | 23 | 0 |
| 1997 | 22 | 0 |
| 1998 | 31 | 0 |
| 1999 | 33 | 0 |
| 2000 | 41 | 0 |
| 2001 | 47 | 11 |
| 2002 | 48 | 32 |
| 2003 | 35 | 44 |
| 2004 | 32 | 47 |
| 2005 | 18 | 50 |
| 2006 | 34 | 37 |
| 2007 | 24 | 23 |
| 2008 | 21 | 38 |
| 2009 | 29 | 42 |
| 2010 | 23 | 48 |
| 2011 | 29 | 47 |
| 2012 | 27 | 39 |
| 2013 | 33 | 55 |
| 2014 | 34 | 61 |
| 2015 | 55 | 67 |
| 2016 | 56 | 56 |
| 2017 | 58 | 54 |
| 2018 | 36 | 31 |
| 2019 | 42 | 48 |
| 2020 | 32 | 42 |
| 2021 | 32 | 38 |
| 2022 | 23 | 45 |
| 2023 | 23 | 35 |
| 2024 | 20 | 35 |
| 2025 | 24 | 20 |
| 2026 | 16 | 20 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Direct aromatic carbon-oxygen and carbon-hydrogen bond functionalization via organic photoredox catalyst8 Sep 2026US 12,729,169 B2The University of North Carolina at Chapel Hill
- Production method for synthetic intermediate of monocyclic pyridine derivative8 Sep 2026US 12,729,191 B2Eisai R&D Management Co., Ltd.
- Synthetic pathway to belzutifan18 Aug 2026US 12,709,595 B2Merck Sharp & Dohme Corp.
- Method of preparing acrylonitrile dimer4 Aug 2026US 12,698,257 B2LG Chem.Ltd.
- Manufacture of nitrile compounds16 Jun 2026US 12,655,093 B2Nouryon Chemicals International B. V.
- Organic Photoredox Catalysts, Compositions, and Conversion Processes24 Sep 2026US 2026/0284647 A1Colorado State University Research Foundation
- Sustainable preparation of hexamethylene diisocyanate for the production of polyurethane17 Sep 2026US 2026/0274787 A1Covestro Deutschland AG
- Intermolecular cyclopropanation of unsaturated hydrocarbons20 Aug 2026US 2026/0242327 A1The Penn State Research Foundation
- Catalyst for sp3-carbon-hydrogen-bond primary amination reaction, and method for preparing primary amine compound13 Aug 2026US 2026/0234096 A1West China Second University Hospital, Sichuan University
- Phosphine ligands and their use in coupling reactions13 Aug 2026US 2026/0234175 A1BASF SE
Most cited
By later US patents
- Ligands for metals and improved metal-catalyzed processes based thereon143US 6,307,087 B1Massachusetts Institute of Technology · 2001
- Ligands for metals and improved metal-catalyzed processes based thereon100US 6,395,916 B1Massachusetts Institute of Technology · 2002
- Transesterification method for making cyanoacrylates98US 6,245,933 B1Closure Medical Corporation · 2001
- Ligands for metals and improved metal-catalyzed processes based thereon93US 7,223,879 B2Massachusetts Institute of Technology · 2007
- Synthesis of aryl ethers88US 5,847,166 AMassachusetts Institute of Technology · 1998