C07C 17/26
Preparation of halogenated hydrocarbons: by reactions involving an increase in the number
Official title: by reactions involving an increase in the number of carbon atoms in the skeleton
C07C17/26 (Preparation of halogenated hydrocarbons: by reactions involving an increase in the number) appears on 1,227 US grants and 726 published applications in this corpus.
Search patents in C07C- Granted patents
- 1,227
- Published applications
- 726
- Assignees
- 466
- Inventors
- 2,254
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 26 | 0 |
| 1977 | 30 | 0 |
| 1978 | 23 | 0 |
| 1979 | 13 | 0 |
| 1980 | 23 | 0 |
| 1981 | 18 | 0 |
| 1982 | 30 | 0 |
| 1983 | 25 | 0 |
| 1984 | 33 | 0 |
| 1985 | 31 | 0 |
| 1986 | 22 | 0 |
| 1987 | 19 | 0 |
| 1988 | 12 | 0 |
| 1989 | 23 | 0 |
| 1990 | 14 | 0 |
| 1991 | 22 | 0 |
| 1992 | 18 | 0 |
| 1993 | 19 | 0 |
| 1994 | 25 | 0 |
| 1995 | 25 | 0 |
| 1996 | 36 | 0 |
| 1997 | 38 | 0 |
| 1998 | 25 | 0 |
| 1999 | 26 | 0 |
| 2000 | 28 | 0 |
| 2001 | 37 | 6 |
| 2002 | 34 | 24 |
| 2003 | 19 | 33 |
| 2004 | 19 | 48 |
| 2005 | 23 | 32 |
| 2006 | 25 | 22 |
| 2007 | 24 | 27 |
| 2008 | 14 | 32 |
| 2009 | 14 | 36 |
| 2010 | 19 | 34 |
| 2011 | 28 | 36 |
| 2012 | 23 | 27 |
| 2013 | 32 | 26 |
| 2014 | 36 | 37 |
| 2015 | 46 | 31 |
| 2016 | 27 | 42 |
| 2017 | 35 | 29 |
| 2018 | 25 | 22 |
| 2019 | 27 | 31 |
| 2020 | 19 | 22 |
| 2021 | 28 | 30 |
| 2022 | 18 | 28 |
| 2023 | 13 | 21 |
| 2024 | 14 | 29 |
| 2025 | 14 | 8 |
| 2026 | 10 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- 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.
- Method for treating a heavy byproduct stream from chlorinated propane production15 Sep 2026US 12,735,373 B2Blue Cube IP LLC
- Fullerene derivative and production method therefor28 Jul 2026US 12,696,679 B2Mitsubishi Corporation
- Process for preparing (Z)-7-tetradecen-2-one30 Jun 2026US 12,668,561 B2Shin-Etsu Chemical Co., Ltd.
- Method for producing naphthylsilole, naphthylsilole containing heterocyclic group, and graphene nanoribbon containing heterocyclic group26 May 2026US 12,637,475 B2National University Corporation Tokai National Higher Education and Research System
- Methods for producing 1,1-difluoropropene (hfo-1252zc) from vinylidene fluoride1 Oct 2026US 2026/0296997 A1
- Co-production of 1,1,1-trifluoropropene (1243zf) and e-1,1,1,4,4,4-hexafluoro-2-butene (e-1336mzz)6 Aug 2026US 2026/0225977 A1The Chemours Company Fc, LLC
- Novel iron-based compounds, processes for the preparation thereof, and use thereof as catalysts16 Jul 2026US 2026/0200963 A1Centre National De La Recherche Scientifique
- Compositions comprising 1,3,3,3-tetrafluoropropene, methods of making same, and uses thereof11 Jun 2026US 2026/0159738 A1The Chemours Company Fc, LLC
- Compositions comprising 1,3,3,3-tetrafluoropropene, methods of making same, and uses thereof30 Apr 2026US 2026/0117107 A1The Chemours Company Fc, LLC
Most cited
By later US patents
- Ligands for metals and improved metal-catalyzed processes based thereon143US 6,307,087 B1Massachusetts Institute of Technology · 2001
- Phase transfer catalysis of heterogeneous reactions by quaternary salts123US 3,992,432 AContinental Oil Company · 1976
- Production of fluorocarbon compounds120US 5,611,896 AAtomic Energy Corporation of S. Africa Limited · 1997
- Fluorene-containing polymers and compounds useful in the preparation thereof114US 6,169,163 AThe Dow Chemical Company · 2001
- 2,7-aryl-9-substituted fluorenes and 9-substituted fluorene oligomers and polymers113US 5,708,130 AThe Dow Chemical Company · 1998