C07C 17/35
Preparation of halogenated hydrocarbons: by reactions not affecting the number of carbon
Official title: by reactions not affecting the number of carbon or of halogen atoms in the reaction
C07C17/35 (Preparation of halogenated hydrocarbons: by reactions not affecting the number of carbon) appears on 589 US grants and 425 published applications in this corpus.
Search patents in C07C- Granted patents
- 589
- Published applications
- 425
- Assignees
- 237
- Inventors
- 1,086
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 7 | 0 |
| 1978 | 8 | 0 |
| 1979 | 7 | 0 |
| 1980 | 10 | 0 |
| 1981 | 4 | 0 |
| 1982 | 6 | 0 |
| 1983 | 7 | 0 |
| 1984 | 8 | 0 |
| 1985 | 10 | 0 |
| 1986 | 10 | 0 |
| 1987 | 10 | 0 |
| 1988 | 11 | 0 |
| 1989 | 4 | 0 |
| 1990 | 10 | 0 |
| 1991 | 8 | 0 |
| 1992 | 9 | 0 |
| 1993 | 5 | 0 |
| 1994 | 6 | 0 |
| 1995 | 12 | 0 |
| 1996 | 10 | 0 |
| 1997 | 25 | 0 |
| 1998 | 13 | 0 |
| 1999 | 11 | 0 |
| 2000 | 12 | 0 |
| 2001 | 15 | 5 |
| 2002 | 10 | 11 |
| 2003 | 11 | 8 |
| 2004 | 4 | 9 |
| 2005 | 5 | 12 |
| 2006 | 9 | 8 |
| 2007 | 4 | 8 |
| 2008 | 7 | 8 |
| 2009 | 11 | 16 |
| 2010 | 9 | 19 |
| 2011 | 11 | 26 |
| 2012 | 14 | 20 |
| 2013 | 28 | 18 |
| 2014 | 24 | 28 |
| 2015 | 24 | 19 |
| 2016 | 21 | 21 |
| 2017 | 15 | 17 |
| 2018 | 22 | 15 |
| 2019 | 19 | 21 |
| 2020 | 16 | 20 |
| 2021 | 16 | 24 |
| 2022 | 18 | 26 |
| 2023 | 12 | 17 |
| 2024 | 16 | 18 |
| 2025 | 17 | 16 |
| 2026 | 4 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- 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
- Preparation method of trans-1,1,1,4,4,4-hexafluoro-2-butene15 Sep 2026US 12,735,374 B2Electric Power Research Institute of Guangdong Power Grid Co., Ltd.
- Process for preparing (Z)-7-tetradecen-2-one30 Jun 2026US 12,668,561 B2Shin-Etsu Chemical Co., 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
- Compositions and methods for an integrated 2,3,3,3-tetrafluoropropene manufacturing process30 Dec 2025US 12,509,410 B2The 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
- Methods for producing 1,1-difluoropropene (hfo-1252zc) from 1,1,1-trichloropropane (hcc-260fb)1 Oct 2026US 2026/0296996 A1
- Process for the preparation of halodifluorobenzene1 Oct 2026US 2026/0296998 A1Bayer Aktiengesellschaft
- Organic Photoredox Catalysts, Compositions, and Conversion Processes24 Sep 2026US 2026/0284647 A1Colorado State University Research Foundation
- Hfo-1234ze and hfo-1234yf compositions and processes for producing and using the compositions24 Sep 2026US 2026/0285786 A1The Chemours Company Fc, LLC
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
- Conjugated polymers having spiro centers and their use as electroluminescence materials138US 5,621,131 AHoechst Aktiengesellschaft · 1997
- Fluorinated propenes from pentafluoropropane112US 5,986,151 AAlliedSignal Inc. · 1999
- Process for producing 1,1,2,3-tetrachloropropene92US 4,650,914 AMonsanto Company · 1987
- Acetylenes disubstituted with a 5-amino or substituted 5-amino substituted tetrahydronaphthyl group and with an aryl or heteroaryl group having retinoid-like biological activity80US 5,489,584 AAllergan, Inc. · 1996