C07C 67/317
By splitting-off hydrogen or functional groups
Official title: by splitting-off hydrogen or functional groups; by hydrogenolysis of functional groups
C07C67/317 (By splitting-off hydrogen or functional groups) appears on 315 US grants and 275 published applications in this corpus.
Search patents in C07C- Granted patents
- 315
- Published applications
- 275
- Assignees
- 227
- Inventors
- 911
- Latest grant
- 13 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 4 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 4 | 0 |
| 1986 | 5 | 0 |
| 1987 | 2 | 0 |
| 1988 | 5 | 0 |
| 1989 | 6 | 0 |
| 1990 | 4 | 0 |
| 1991 | 6 | 0 |
| 1992 | 3 | 0 |
| 1993 | 6 | 0 |
| 1994 | 5 | 0 |
| 1995 | 5 | 0 |
| 1996 | 2 | 0 |
| 1997 | 4 | 0 |
| 1998 | 6 | 0 |
| 1999 | 5 | 0 |
| 2000 | 7 | 0 |
| 2001 | 6 | 3 |
| 2002 | 8 | 7 |
| 2003 | 10 | 7 |
| 2004 | 5 | 7 |
| 2005 | 2 | 9 |
| 2006 | 3 | 3 |
| 2007 | 6 | 9 |
| 2008 | 5 | 5 |
| 2009 | 4 | 9 |
| 2010 | 4 | 12 |
| 2011 | 4 | 12 |
| 2012 | 6 | 10 |
| 2013 | 13 | 17 |
| 2014 | 15 | 17 |
| 2015 | 18 | 19 |
| 2016 | 19 | 15 |
| 2017 | 14 | 25 |
| 2018 | 16 | 16 |
| 2019 | 19 | 11 |
| 2020 | 10 | 11 |
| 2021 | 9 | 12 |
| 2022 | 11 | 10 |
| 2023 | 4 | 9 |
| 2024 | 5 | 9 |
| 2025 | 6 | 7 |
| 2026 | 1 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Synthesis of methyl 2-fluoroacrylate13 Jan 2026US 12,522,682 B2Vifor (International) AG
- Processes and intermediates for the preparations of benzoprostacyclin analogues and benzoprostacyclin analogues prepared therefrom16 Dec 2025US 12,497,374 B2Chirogate International Inc.
- Processes and intermediates for the preparations of benzoprostacyclin analogues and benzoprostacyclin analogues prepared therefrom16 Dec 2025US 12,497,375 B2Chirogate International Inc.
- One step synthesis for alkyl 2-fluoroacrylates14 Oct 2025US 12,441,677 B2Vifor (International) AG
- Production method of acrylic acid derivative30 Sep 2025US 12,428,365 B2Daikin Industries, Ltd.
- Process27 Aug 2026US 2026/0250230 A1Givaudan SA
- Processes for making 1,2-diacetoxyethane from monoethylene glycol by reactive distillation and integrated vinyl acetate monomer production6 Aug 2026US 2026/0225987 A1New Product Innovation, LLC
- Improved process for producing high-purity butyl acrylate2 Apr 2026US 2026/0092030 A1Arkema France
- Intermediate salt for the preparation of bis(fluoroalkyl) benzodiazepinone compounds29 Jan 2026US 2026/0028319 A1Immunome, Inc.
- Method for preparing beraprost 314-d sodium4 Dec 2025US 2025/0368611 A1CytoAgents, Inc.
Most cited
By later US patents
- Production of esters of lactic acid, esters of acrylic acid, lactic acid, and acrylic acid61US 5,071,754 ABattelle Memorial Institute · 1991
- Method to obtain methylene malonate via bis(hydroxymethyl) malonate pathway54US 9,108,914 B1Sirrus, Inc. · 2015
- Method for preparing aromatic compounds52US 5,886,210 ARohm and Haas Company · 1999
- Process for beta-lactone production47US 8,445,703 B2Novomer, Inc. · 2013
- Process for beta-lactone production46US 9,493,391 B2Novomer, Inc. · 2016