C07C 21/185
Tetrafluoroethene
C07C21/185 (Tetrafluoroethene) appears on 24 US grants and 27 published applications in this corpus.
Search patents in C07C- Granted patents
- 24
- Published applications
- 27
- Assignees
- 13
- Inventors
- 55
- Latest grant
- 13 Dec 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2003 | 1 | 0 |
| 2004 | 0 | 2 |
| 2005 | 1 | 2 |
| 2006 | 0 | 0 |
| 2007 | 3 | 1 |
| 2008 | 0 | 2 |
| 2009 | 0 | 0 |
| 2010 | 0 | 2 |
| 2011 | 2 | 0 |
| 2012 | 1 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 1 | 2 |
| 2016 | 1 | 1 |
| 2017 | 3 | 2 |
| 2018 | 2 | 3 |
| 2019 | 2 | 2 |
| 2020 | 3 | 5 |
| 2021 | 2 | 1 |
| 2022 | 2 | 0 |
By publication year.
Recent patents
- Storage method for hydrochlorofluoroolefin, and storage container for hydrochlorofluoroolefin13 Dec 2022US 11,525,543 B2AGC Inc.
- Method for producing tetrafluoroethylene and/or hexafluoropropylene30 Aug 2022US 11,427,520 B2Daikin Industries, Ltd.
- Separation method for halogenated unsaturated carbon compound6 Jul 2021US 11,053,180 B2Daikin Industries, Ltd.
- Process for the preparation of 2,3,3,3-tetrafluoropropene (1234yf)26 Jan 2021US 10,899,686 B2Mexichem Fluor S.A. De C.V.
- Method for storing tetrafluoropropene and container for storing tetrafluoropropene1 Sep 2020US 10,759,725 B2AGC Inc.
- Method for producing tetrafluoroethylene and/or hexafluoropropylene11 Mar 2021US 2021/0070679 A1Daikin Industries, Ltd.
- Method for storing tetrafluoropropene and container for storing tetrafluoropropene5 Nov 2020US 2020/0346999 A1AGC Inc.
- Separation method for halogenated unsaturated carbon compound30 Jul 2020US 2020/0239389 A1Daikin Industries, Ltd.
- Storage method for hydrochlorofluoroolefin, and storage container for hydrochlorofluoroolefin16 Jul 2020US 2020/0224822 A1AGC Inc.
- Process for the preparation of 2,3,3,3-tetrafluoropropene (1234yf)28 May 2020US 2020/0165179 A1Mexichem Fluor S.A. De C.V.
Most cited
By later US patents
- Process for the manufacture of fluoroolefins19US 6,624,337 B1E. I. Du Pont de Nemours and Company · 2003
- Compositions containing fluorine substituted olefins and methods and systems using same12US 9,994,750 B2Honeywell International Inc. · 2018
- Compositions that can be used as refrigerants11US 8,142,680 B2Arkema France · 2012
- Use of copolymers of perfluoro(alkyl vinyl ether) for photochemical reactions8US 7,943,015 B2E. I. Du Pont de Nemours and Company · 2011
- Process for the preparation of 2,3,3,3-tetrafluoropropene (1234yf)4US 10,899,686 B2Mexichem Fluor S.A. De C.V. · 2021