C07C 17/25
Preparation of halogenated hydrocarbons: by splitting-off hydrogen halides from halogenated hydrocarbons
Official title: by splitting-off hydrogen halides from halogenated hydrocarbons
C07C17/25 (Preparation of halogenated hydrocarbons: by splitting-off hydrogen halides from halogenated hydrocarbons) appears on 942 US grants and 911 published applications in this corpus.
Search patents in C07C- Granted patents
- 942
- Published applications
- 911
- Assignees
- 208
- Inventors
- 1,032
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 16 | 0 |
| 1977 | 9 | 0 |
| 1978 | 10 | 0 |
| 1979 | 5 | 0 |
| 1980 | 9 | 0 |
| 1981 | 9 | 0 |
| 1982 | 4 | 0 |
| 1983 | 5 | 0 |
| 1984 | 3 | 0 |
| 1985 | 7 | 0 |
| 1986 | 11 | 0 |
| 1987 | 3 | 0 |
| 1988 | 9 | 0 |
| 1989 | 9 | 0 |
| 1990 | 5 | 0 |
| 1991 | 4 | 0 |
| 1992 | 2 | 0 |
| 1993 | 10 | 0 |
| 1994 | 2 | 0 |
| 1995 | 8 | 0 |
| 1996 | 13 | 0 |
| 1997 | 9 | 0 |
| 1998 | 7 | 0 |
| 1999 | 9 | 0 |
| 2000 | 12 | 0 |
| 2001 | 2 | 1 |
| 2002 | 10 | 2 |
| 2003 | 2 | 3 |
| 2004 | 2 | 3 |
| 2005 | 5 | 18 |
| 2006 | 8 | 13 |
| 2007 | 9 | 25 |
| 2008 | 9 | 24 |
| 2009 | 12 | 38 |
| 2010 | 22 | 45 |
| 2011 | 38 | 66 |
| 2012 | 37 | 61 |
| 2013 | 44 | 34 |
| 2014 | 68 | 78 |
| 2015 | 58 | 66 |
| 2016 | 68 | 58 |
| 2017 | 53 | 47 |
| 2018 | 56 | 46 |
| 2019 | 51 | 44 |
| 2020 | 40 | 37 |
| 2021 | 34 | 55 |
| 2022 | 35 | 34 |
| 2023 | 31 | 34 |
| 2024 | 27 | 32 |
| 2025 | 23 | 24 |
| 2026 | 8 | 23 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for treating a heavy byproduct stream from chlorinated propane production15 Sep 2026US 12,735,373 B2Blue Cube IP LLC
- Dehydrofluorination of 245FA to 1234ZE15 Sep 2026US RE51,029 E1The Chemours Company Fc, LLC
- Method for producing fluoroethylene7 Jul 2026US 12,673,908 B2Daikin Industries, Ltd.
- HFO-1234ze and HFO-1234yf compositions and processes for producing and using the compositions23 Jun 2026US 12,662,438 B2The Chemours Company Fc, LLC
- Azeotrope or azeotrope-like compositions of 2-chloro-1,1,1,2-tetrafluoropropane (HCFC-244bb) and water21 Apr 2026US 12,606,728 B2Solstice Advanced Materials US, Inc.
- Method for producing fluoroolefin1 Oct 2026US 2026/0296994 A1Kanto Denka Kogyo 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
- Methods for producing 1,1-difluoropropene (hfo-1252zc) from 1,1,1-trichloropropane (hcc-260fb)1 Oct 2026US 2026/0296996 A1
- Hfo-1234ze and hfo-1234yf compositions and processes for producing and using the compositions24 Sep 2026US 2026/0285786 A1The Chemours Company Fc, LLC
- Azeotrope or azeotrope-like compositions of 2-chloro-1,1,1,2-tetrafluoropropane (hcfc-244bb) and water16 Jul 2026US 2026/0201230 A1Solstice Advanced Materials US, Inc.
Most cited
By later US patents
- Method for manufacturing 1,1,1,2,3-pentafluoropropene 1,1,1,2,3-pentafluoropropane145US 5,679,875 ADaikin Industries, Ltd. · 1997
- 1234ze preparation114US 6,124,510 AElf Atochem North America, Inc. · 2000
- Fluorinated propenes from pentafluoropropane112US 5,986,151 AAlliedSignal Inc. · 1999
- Integrated process to produce 2,3,3,3-tetrafluoropropene101US 8,058,486 B2Honeywell International Inc. · 2011
- Process for producing fluoroolefins96US 6,548,719 B1Honeywell International Inc. · 2003