C07C 17/23
Preparation of halogenated hydrocarbons: by dehalogenation
Official title: by dehalogenation
C07C17/23 (Preparation of halogenated hydrocarbons: by dehalogenation) appears on 480 US grants and 327 published applications in this corpus.
Search patents in C07C- Granted patents
- 480
- Published applications
- 327
- Assignees
- 142
- Inventors
- 799
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 11 | 0 |
| 1990 | 11 | 0 |
| 1991 | 13 | 0 |
| 1992 | 16 | 0 |
| 1993 | 13 | 0 |
| 1994 | 12 | 0 |
| 1995 | 24 | 0 |
| 1996 | 21 | 0 |
| 1997 | 18 | 0 |
| 1998 | 22 | 0 |
| 1999 | 12 | 0 |
| 2000 | 9 | 0 |
| 2001 | 13 | 2 |
| 2002 | 9 | 12 |
| 2003 | 12 | 6 |
| 2004 | 7 | 11 |
| 2005 | 6 | 15 |
| 2006 | 8 | 7 |
| 2007 | 11 | 9 |
| 2008 | 8 | 10 |
| 2009 | 8 | 22 |
| 2010 | 14 | 24 |
| 2011 | 17 | 24 |
| 2012 | 11 | 8 |
| 2013 | 20 | 15 |
| 2014 | 14 | 12 |
| 2015 | 18 | 20 |
| 2016 | 15 | 13 |
| 2017 | 10 | 15 |
| 2018 | 17 | 13 |
| 2019 | 12 | 13 |
| 2020 | 14 | 11 |
| 2021 | 10 | 15 |
| 2022 | 7 | 6 |
| 2023 | 4 | 9 |
| 2024 | 7 | 17 |
| 2025 | 2 | 12 |
| 2026 | 3 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Process for the production of trifluoroethylene6 Oct 2026US 12,753,134 B2Arkema France
- Process for synthesis of fluorinated olefins13 Jan 2026US 12,522,547 B2Solstice Advanced Materials US, Inc.
- Method for modifying the fluorine distribution in a hydrocarbon compound6 Jan 2026US 12,516,005 B2Arkema France
- Compositions and methods for an integrated 2,3,3,3-tetrafluoropropene manufacturing process30 Dec 2025US 12,509,410 B2The Chemours Company Fc, LLC
- Nitrogen-phosphorus-modified granular carbon-supported bimetallic catalyst, preparation method therefor and use thereof14 Oct 2025US 12,440,826 B2Sinochem Lantian Co., Ltd.
- Methods for producing 1,1-difluoropropene (hfo-1252zc) from 1-chloro-3,3,3-trifluoropropene (hcfo-1233zd)1 Oct 2026US 2026/0296995 A1
- Process for synthesis of fluorinated olefins23 Apr 2026US 2026/0109659 A1Solstice Advanced Materials US, Inc.
- Method for co-producing 3,3,3-trifluoropropene and 2,3,3,3-tetrafluoropropene12 Mar 2026US 2026/0070863 A1Zhejiang Quhua Fluor-Chemistry Co Ltd
- Method of producing fluoroolefin19 Feb 2026US 2026/0049046 A1AGC Inc.
- Synthesis method for hexafluorobutadiene and synthesis system for intermediate dimer29 Jan 2026US 2026/0028298 A1Guangdong Huate Gas Co., Ltd.
Most cited
By later US patents
- Methods for identifying and optimizing materials in microfluidic systems177US 6,737,026 B1Symyx Technologies, Inc. · 2004
- Chemical processing microsystems comprising parallel flow microreactors and methods for using same166US 6,749,814 B1Symyx Technologies, Inc. · 2004
- Production of fluorocarbon compounds120US 5,611,896 AAtomic Energy Corporation of S. Africa Limited · 1997
- Process for the manufacture of 1,1,1,3,3-pentafluoropropane89US 5,574,192 AAlliedSignal Inc. · 1996
- Manufacturing method for 1,1,1,3,3-pentafluoropropane88US 6,060,628 ADaikin Industries, Ltd. · 2000