C25B 3/28
Fluorination
C25B3/28 (Fluorination) appears on 78 US grants and 19 published applications in this corpus.
Search patents in C25B- Granted patents
- 78
- Published applications
- 19
- Assignees
- 38
- Inventors
- 151
- Latest grant
- 10 Oct 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 4 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 3 | 0 |
| 1986 | 8 | 0 |
| 1987 | 4 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 3 | 0 |
| 1991 | 3 | 0 |
| 1992 | 5 | 0 |
| 1993 | 1 | 0 |
| 1994 | 7 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 1 |
| 2002 | 2 | 3 |
| 2003 | 2 | 0 |
| 2004 | 1 | 2 |
| 2005 | 2 | 1 |
| 2006 | 0 | 0 |
| 2007 | 1 | 1 |
| 2008 | 0 | 0 |
| 2009 | 1 | 1 |
| 2010 | 0 | 0 |
| 2011 | 1 | 1 |
| 2012 | 0 | 4 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 1 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 1 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Electrochemical flash fluorination and radiofluorination10 Oct 2023US 11,779,665 B2The Regents of the University of California
- Process for the electrochemical fluorination of organic compounds17 May 2016US 9,340,884 B2BASF SE
- Potassium perfluoroalkanesulfonate and method for producing the same27 Sep 2011US 8,026,391 B2Mitsubishi Materials Corporation
- Electrochemical fluorination of acrylic polymer and product therefrom7 Apr 2009US 7,513,985 B23M Innovative Properties Company
- Process for manufacturing fluoroolefins31 Jul 2007US 7,250,540 B23M Innovative Properties Company
- Process for the manufacture of nonafluoro-tert-butyl alcohol by electrofluorination (ecf)11 Sep 2025US 2025/0282706 A1Fluorinnovation L.L.C-Fz
- Method for producing fluorine-containing organic compound27 Oct 2022US 2022/0341045 A1Daikin Industries, Ltd.
- Electrochemical flash fluorination and radiofluorination19 Nov 2020US 2020/0360541 A1The Regents of the University of California
- Method of discovering fluoro-containing compounds5 Oct 2017US 2017/0283960 A1Shanxi Chemical Research Institute Co., Ltd.
- Method for producing perfluorosulfonic acid having ether structure and derivative thereof, and surfactant containing fluorine-containing ether sulfonic acid compound and derivative thereof20 Nov 2014US 2014/0339096 A1Mitsubishi Materials Corporation
Most cited
By later US patents
- Preparation of perfluorinated vinyl ethers having a sulfonyl fluoride end-group109US 6,624,328 B13M Innovative Properties Company · 2003
- Perfluoroaminoethers27US 4,788,339 AMinnesota Mining and Manufacturing Company · 1988
- Process for separating mixtures of prefluorinated hydrocarbon compounds25US 5,260,496 AKali-Chemie Aktiengesellschaft · 1993
- Aliphatic and cyclic perfluoro-alkyl ethers and process for the preparation thereof24US 3,962,348 AHoechst Aktiengesellschaft · 1976
- Higher pentafluorosulfanyl-fluoroaliphatic carbonyl and sulfonyl fluorides, and derivatives19US 5,159,105 AMinnesota Mining and Manufacturing Company · 1992