C07C 17/00
Preparation of halogenated hydrocarbons
C07C17/00 (Preparation of halogenated hydrocarbons) appears on 5,898 US grants and 3,329 published applications in this corpus.
Search patents in C07C- Granted patents
- 5,898
- Published applications
- 3,329
- Assignees
- 1,290
- Inventors
- 8,061
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 160 | 0 |
| 1977 | 140 | 0 |
| 1978 | 115 | 0 |
| 1979 | 66 | 0 |
| 1980 | 105 | 0 |
| 1981 | 85 | 0 |
| 1982 | 107 | 0 |
| 1983 | 105 | 0 |
| 1984 | 110 | 0 |
| 1985 | 81 | 0 |
| 1986 | 77 | 0 |
| 1987 | 74 | 0 |
| 1988 | 127 | 0 |
| 1989 | 139 | 0 |
| 1990 | 114 | 0 |
| 1991 | 125 | 0 |
| 1992 | 135 | 0 |
| 1993 | 131 | 0 |
| 1994 | 127 | 0 |
| 1995 | 145 | 0 |
| 1996 | 138 | 0 |
| 1997 | 139 | 0 |
| 1998 | 190 | 0 |
| 1999 | 149 | 0 |
| 2000 | 147 | 0 |
| 2001 | 172 | 38 |
| 2002 | 141 | 99 |
| 2003 | 93 | 123 |
| 2004 | 85 | 154 |
| 2005 | 84 | 127 |
| 2006 | 112 | 102 |
| 2007 | 105 | 115 |
| 2008 | 67 | 146 |
| 2009 | 72 | 164 |
| 2010 | 101 | 165 |
| 2011 | 121 | 177 |
| 2012 | 119 | 148 |
| 2013 | 128 | 109 |
| 2014 | 165 | 170 |
| 2015 | 172 | 155 |
| 2016 | 135 | 164 |
| 2017 | 130 | 132 |
| 2018 | 137 | 129 |
| 2019 | 134 | 131 |
| 2020 | 124 | 132 |
| 2021 | 119 | 144 |
| 2022 | 94 | 136 |
| 2023 | 72 | 101 |
| 2024 | 77 | 112 |
| 2025 | 66 | 81 |
| 2026 | 42 | 75 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- C07C 17/093Preparation of halogenated hydrocarbons: by replacement by halogens2,827
- C07C 17/38Separation1,393
- C07C 17/26Preparation of halogenated hydrocarbons: by reactions involving an increase in the number1,227
- C07C 17/25Preparation of halogenated hydrocarbons: by splitting-off hydrogen halides from halogenated hydrocarbons942
- C07C 17/35Preparation of halogenated hydrocarbons: by reactions not affecting the number of carbon589
- C07C 17/23Preparation of halogenated hydrocarbons: by dehalogenation480
- C07C 17/013Preparation of halogenated hydrocarbons: by addition of halogens430
- C07C 17/07Preparation of halogenated hydrocarbons: by addition of hydrogen halides390
Recent patents
- Alumina support6 Oct 2026US 12,752,257 B2Kaneka Corporation
- Process for the production of trifluoroethylene6 Oct 2026US 12,753,134 B2Arkema France
- Method for producing reaction gas containing 1,1,2-trifluoroethane (r-143) and/or (e,z)-1,2-difluoroethylene (r-1132(e,z))6 Oct 2026US 12,753,135 B2Daikin Industries, Ltd.
- Catalytic hydrogenation of fluoroolefins, alpha-alumina supported palladium compositions and their use as hydrogenation catalysts6 Oct 2026US 12,753,136 B2The Chemours Company Fc, LLC
- Method for storing fluorobutene6 Oct 2026US 12,753,137 B2Resonac Corporation
- Azeotropic compositions comprising hydrogen fluoride8 Oct 2026US 2026/0308089 A1The Chemours Company Fc, LLC
- Hfo-1234ze, hfo-1225zc and hfo-1234yf compositions and processes for producing and using the compositions8 Oct 2026US 2026/0309375 A1The Chemours Company Fc, LLC
- Continuous deoxyfluorination with sf41 Oct 2026US 2026/0296993 A1Lonza Ltd.
- 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
Most cited
By later US patents
- Liponucleotide-containing liposomes280US 5,223,263 AVical Incorporated · 1993
- 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
- Process for production of 1,1,1-trifluoro-2,2-dichloroethane164US 5,132,473 ADaikin Industries, Ltd. · 1992
- Method for manufacturing 1,1,1,2,3-pentafluoropropene 1,1,1,2,3-pentafluoropropane145US 5,679,875 ADaikin Industries, Ltd. · 1997