C07C 21/19
Halogenated dienes
C07C21/19 (Halogenated dienes) appears on 52 US grants and 33 published applications in this corpus.
Search patents in C07C- Granted patents
- 52
- Published applications
- 33
- Assignees
- 29
- Inventors
- 122
- Latest grant
- 23 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 0 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 2 |
| 2007 | 1 | 1 |
| 2008 | 0 | 1 |
| 2009 | 1 | 2 |
| 2010 | 1 | 2 |
| 2011 | 3 | 3 |
| 2012 | 2 | 2 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 1 | 1 |
| 2017 | 1 | 0 |
| 2018 | 1 | 2 |
| 2019 | 2 | 2 |
| 2020 | 0 | 2 |
| 2021 | 6 | 5 |
| 2022 | 2 | 4 |
| 2023 | 1 | 1 |
| 2024 | 2 | 0 |
| 2025 | 1 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Process for producing 1,1,1,4,4,4-hexafluorobut-2-ene23 Sep 2025US 12,421,181 B2The Chemours Company Fc, LLC
- Process for preparing 6-isopropenyl-3-methyl-9-decenyl acetate and intermediates thereof16 Apr 2024US 11,958,801 B2Shin-Etsu Chemical Co., Ltd.
- Processes for producing Z-1,1,1,4,4,4-hexafluorobut-2-ene and intermediates for producing same27 Feb 2024US 11,912,639 B2The Chemours Company Fc, LLC
- Process for preparing 6-isopropenyl-3-methyl-9-decenyl acetate and intermediates thereof28 Feb 2023US 11,591,282 B2Shin-Etsu Chemical Co., Ltd.
- Fluorine-containing compound having unsaturated bond, and surface modifier using the same7 Jun 2022US 11,352,457 B2Tosoh Finechem Corporation
- Process for producing 1,1,1,4,4,4-hexafluorobut-2-ene12 Feb 2026US 2026/0042721 A1The Chemours Company Fc, LLC
- Method for producing 3-chloro-1,1,1,5,5,5-hexafluoro-2-pentene28 Aug 2025US 2025/0270156 A1Kanto Denka Kogyo Co., Ltd.
- Process for preparing 6-isopropenyl-3-methyl-9-decenyl acetate and intermediates thereof11 May 2023US 2023/0148099 A1Shin-Etsu Chemical Co., Ltd.
- Processes for producing z-1,1,1,4,4,4-hexafluorobut-2-ene and intermediates for producing same23 Jun 2022US 2022/0194879 A1The Chemours Company Fc, LLC
- Processes for producing z-1,1,1,4,4,4-hexafluorobut-2-ene and intermediates for producing same23 Jun 2022US 2022/0194881 A1The Chemours Company Fc, LLC
Most cited
By later US patents
- Tetradecatrienyl and tetradecadienyl acetates and their use as sex attractants for tomato pests12US 5,728,376 ACornell Research Foundation, Inc. · 1998
- Partially fluorinated polymers and process therefor7US 5,475,071 AE. I. Du Pont de Nemours and Company · 1995
- Process for the preparation of chloroprene5US 3,936,508 ABayer Aktiengesellschaft · 1976
- Halogenoolefins as arthropocides and nematocides5US 4,839,390 ABayer Aktiengesellschaft · 1989
- 1,1,2-trifluoro-6-iodo-1-hexene, 1,1,2-trifluoro-1,5-hexadiene, and processes therefore4US 5,015,790 AE. I. Du Pont de Nemours and Company · 1991