C07C 17/389
By adsorption on solids
Official title: by adsorption on solids
C07C17/389 (By adsorption on solids) appears on 187 US grants and 134 published applications in this corpus.
Search patents in C07C- Granted patents
- 187
- Published applications
- 134
- Assignees
- 84
- Inventors
- 364
- Latest grant
- 28 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 8 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 6 | 0 |
| 1989 | 7 | 0 |
| 1990 | 7 | 0 |
| 1991 | 1 | 0 |
| 1992 | 4 | 0 |
| 1993 | 2 | 0 |
| 1994 | 4 | 0 |
| 1995 | 6 | 0 |
| 1996 | 5 | 0 |
| 1997 | 4 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 5 | 2 |
| 2002 | 4 | 1 |
| 2003 | 2 | 6 |
| 2004 | 2 | 2 |
| 2005 | 2 | 5 |
| 2006 | 7 | 0 |
| 2007 | 1 | 5 |
| 2008 | 4 | 1 |
| 2009 | 1 | 6 |
| 2010 | 4 | 4 |
| 2011 | 3 | 7 |
| 2012 | 5 | 4 |
| 2013 | 1 | 4 |
| 2014 | 3 | 10 |
| 2015 | 11 | 7 |
| 2016 | 6 | 11 |
| 2017 | 5 | 11 |
| 2018 | 11 | 6 |
| 2019 | 11 | 5 |
| 2020 | 5 | 5 |
| 2021 | 8 | 6 |
| 2022 | 4 | 9 |
| 2023 | 2 | 2 |
| 2024 | 6 | 5 |
| 2025 | 3 | 7 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Processes for producing high-purity trifluoroiodomethane28 Apr 2026US RE50,875 E1Solstice Advanced Materials US, Inc.
- Purification method for fluoroolefin having structure of =CF2 or =CHF, high-purity fluoroolefin, and production method therefor9 Sep 2025US 12,410,112 B2Kanto Denka Kogyo Co., Ltd.
- Dehydration method for fluorine-based hydrocarbon compound10 Jun 2025US 12,325,675 B2Daikin Industries, Ltd.
- Method for purifying 1,2-difluoroethylene (HFO-1132)3 Jun 2025US 12,319,634 B2Daikin Industries, Ltd.
- Compositions and methods for synthesis of 2,3-dichloro-1,1,1,2-tetrafluoropropane and 2,3,3,3-tetrafluoropropene31 Dec 2024US 12,180,132 B2The Chemours Company Fc, LLC
- Destruction of perfluoro- or polyfluoro-alkyl substances3 Sep 2026US 2026/0257978 A1
- Separation method21 May 2026US 2026/0138938 A1Daikin Industries, Ltd.
- Gas separation method29 Jan 2026US 2026/0027515 A1Daikin Industries, Ltd.
- Method for purifying vinylidene fluoride4 Dec 2025US 2025/0368591 A1AGC Inc.
- High purity fluoroolefin compositions and methods of impurity removal23 Oct 2025US 2025/0326703 A1The Chemours Company Fc, LLC
Most cited
By later US patents
- Removal of perfluorocarbons from gas streams77US 5,417,742 AThe BOC Group, Inc. · 1995
- Nanostructured carbon materials for adsorption of methane and other gases57US 9,067,848 B2California Institute of Technology · 2015
- Process for purifying 1,1,1,2-tetrafluoroethane44US 4,906,796 AAllied-Signal Inc. · 1990
- Selective sorption by zeolites40US 4,309,281 AMobil Oil Corporation · 1982
- Process for the purification of chlorofluorohydrocarbons30US 5,233,107 AHoechst Aktiengesellschaft · 1993