C07D 317/42
Halogen atoms or nitro radicals
C07D317/42 (Halogen atoms or nitro radicals) appears on 89 US grants and 63 published applications in this corpus.
Search patents in C07D- Granted patents
- 89
- Published applications
- 63
- Assignees
- 36
- Inventors
- 171
- Latest grant
- 7 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 3 | 0 |
| 1984 | 4 | 0 |
| 1985 | 7 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 0 | 0 |
| 1993 | 8 | 0 |
| 1994 | 4 | 0 |
| 1995 | 0 | 0 |
| 1996 | 4 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 3 | 3 |
| 2003 | 1 | 3 |
| 2004 | 2 | 4 |
| 2005 | 3 | 1 |
| 2006 | 2 | 5 |
| 2007 | 1 | 1 |
| 2008 | 1 | 1 |
| 2009 | 2 | 3 |
| 2010 | 3 | 2 |
| 2011 | 1 | 7 |
| 2012 | 2 | 6 |
| 2013 | 2 | 2 |
| 2014 | 3 | 1 |
| 2015 | 2 | 0 |
| 2016 | 0 | 1 |
| 2017 | 2 | 1 |
| 2018 | 0 | 1 |
| 2019 | 1 | 1 |
| 2020 | 0 | 1 |
| 2021 | 1 | 4 |
| 2022 | 2 | 4 |
| 2023 | 6 | 3 |
| 2024 | 1 | 3 |
| 2025 | 1 | 2 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method of producing perfluoro(2,4-dimethyl-2-fluoroformyl-1,3-dioxolane)7 Apr 2026US 12,595,241 B2Sagami Chemical Research Institute
- Fluorolactone and method for producing same17 Feb 2026US 12,552,762 B2Daikin Industries, Ltd.
- Fluorolactone and method for producing same9 Sep 2025US 12,410,150 B2Daikin Industries, Ltd.
- Fluorolactone and method for producing same23 Jul 2024US 12,043,606 B2Daikin Industries, Ltd.
- Method of stabilizing perfluoro(2-methylene-4-methyl-1,3-dioxolane) and composition containing stabilized perfluoro(2-methylene-4-methyl-1,3-dioxolane)12 Dec 2023US 11,840,522 B2Tosoh Corporation
- Fluorolactone and method for producing same11 Jun 2026US 2026/0159493 A1Daikin Industries, Ltd.
- Fluorolactone and method for producing same11 Jun 2026US 2026/0159494 A1Daikin Industries, Ltd.
- Composition containing fluorine-containing monomer and fluoride ions, method for producing fluorine-containing monomer having reduced fluoride ion content, and method for purifying fluorine-containing monomer7 May 2026US 2026/0125355 A1Daikin Industries, Ltd.
- Method for producing fluorine-containing dioxolane, and composition useful for producing same18 Dec 2025US 2025/0382275 A1Daikin Industries, Ltd.
- Fluorinated dioxolane compound6 Nov 2025US 2025/0340525 A1Expanesthetics, Inc.
Most cited
By later US patents
- Perfluorodioxole and its polymers47US 4,399,264 AE. I. Du Pont de Nemours and Company · 1983
- Novel fluorodioxoles and fluorodioxole polymers35US 4,431,786 AE. I. Du Pont de Nemours and Company · 1984
- Perfluorodioxole and its polymers33US 4,558,141 AE. I. Du Pont de Nemours and Company · 1985
- Perfluorodioxole and its polymers32US 4,485,250 AE. I. Du Pont de Nemours and Company · 1984
- Polymers of dioxolanes28US 4,565,855 AE. I. Du Pont de Nemours and Company · 1986