C07C 17/383
By distillation
Official title: by distillation
C07C17/383 (By distillation) appears on 564 US grants and 563 published applications in this corpus.
Search patents in C07C- Granted patents
- 564
- Published applications
- 563
- Assignees
- 162
- Inventors
- 806
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 6 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 4 | 0 |
| 1993 | 6 | 0 |
| 1994 | 6 | 0 |
| 1995 | 2 | 0 |
| 1996 | 5 | 0 |
| 1997 | 4 | 0 |
| 1998 | 12 | 0 |
| 1999 | 12 | 0 |
| 2000 | 14 | 0 |
| 2001 | 14 | 0 |
| 2002 | 9 | 17 |
| 2003 | 4 | 19 |
| 2004 | 11 | 19 |
| 2005 | 12 | 16 |
| 2006 | 7 | 10 |
| 2007 | 17 | 14 |
| 2008 | 19 | 22 |
| 2009 | 5 | 27 |
| 2010 | 19 | 17 |
| 2011 | 17 | 29 |
| 2012 | 16 | 32 |
| 2013 | 24 | 18 |
| 2014 | 30 | 31 |
| 2015 | 34 | 33 |
| 2016 | 28 | 28 |
| 2017 | 24 | 27 |
| 2018 | 34 | 29 |
| 2019 | 34 | 26 |
| 2020 | 26 | 27 |
| 2021 | 21 | 24 |
| 2022 | 15 | 23 |
| 2023 | 17 | 20 |
| 2024 | 15 | 25 |
| 2025 | 9 | 10 |
| 2026 | 6 | 20 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for producing purified trans-1,2-difluoroethylene (HFO-1132(E)) and/or 1,1,2-trifluoroethylene (HFO-1123)8 Sep 2026US 12,729,172 B2Daikin Industries, 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
- Method for reducing risk of burning and explosion in deoxygenation process of oxygen-containing gas21 Apr 2026US 12,606,505 B2China Petroleum & Chemical Corporation
- Azeotrope or azeotrope-like compositions of 2-chloro-1,1,1,2-tetrafluoropropane (HCFC-244bb) and water21 Apr 2026US 12,606,728 B2Solstice Advanced Materials US, Inc.
- Removal of acetals from process streams17 Mar 2026US 12,577,189 B2Celanese International Corporation
- Azeotropic compositions comprising hydrogen fluoride8 Oct 2026US 2026/0308089 A1The Chemours Company Fc, LLC
- Methods for producing 1,1-difluoropropene (hfo-1252zc) from 1-chloro-3,3,3-trifluoropropene (hcfo-1233zd)1 Oct 2026US 2026/0296995 A1
- Methods for producing 1,1-difluoropropene (hfo-1252zc) from 1,1,1-trichloropropane (hcc-260fb)1 Oct 2026US 2026/0296996 A1
- Methods for producing 1,1-difluoropropene (hfo-1252zc) from vinylidene fluoride1 Oct 2026US 2026/0296997 A1
- 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
- Integrated process to produce 2,3,3,3-tetrafluoropropene101US 8,058,486 B2Honeywell International Inc. · 2011
- Azeotrope-like composition of 1,1,1,3,3-pentafluoropropane and hydrogen fluoride94US 6,060,629 AAlliedSignal Inc. · 2000
- Process for producing 1,1,2,3-tetrachloropropene92US 4,650,914 AMonsanto Company · 1987
- Preparation of 1,1,1,3,3-pentafluoropropane65US 5,895,825 AElf Atochem North America, Inc. · 1999
- Process for producing 1,1,2,3-tetrachloropropene62US 4,535,194 AMonsanto Company · 1985