C01B 7/20
Fluorine
C01B7/20 (Fluorine) appears on 49 US grants and 80 published applications in this corpus.
Search patents in C01B- Granted patents
- 49
- Published applications
- 80
- Assignees
- 52
- Inventors
- 231
- Latest grant
- 15 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 3 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 7 |
| 2005 | 2 | 2 |
| 2006 | 0 | 3 |
| 2007 | 2 | 3 |
| 2008 | 1 | 12 |
| 2009 | 4 | 9 |
| 2010 | 1 | 4 |
| 2011 | 2 | 3 |
| 2012 | 3 | 8 |
| 2013 | 3 | 8 |
| 2014 | 6 | 5 |
| 2015 | 1 | 2 |
| 2016 | 1 | 2 |
| 2017 | 1 | 0 |
| 2018 | 1 | 1 |
| 2019 | 3 | 3 |
| 2020 | 1 | 0 |
| 2021 | 0 | 1 |
| 2022 | 1 | 2 |
| 2023 | 1 | 1 |
| 2024 | 2 | 1 |
| 2025 | 1 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for producing fluorine gas15 Jul 2025US 12,358,796 B2Resonac Corporation
- Portable fluorine generator for on-site calibration20 Aug 2024US 12,065,359 B2APPLIED Materials.Inc.
- Microwave chemical method for totally extracting fluorine and rare earth from bastnaesite concentrate16 Apr 2024US 11,957,996 B2Sichuan Normal University
- Method for recycling spent carbon cathode of aluminum electrolysis11 Jul 2023US 11,697,594 B2Central South University
- Two phase shell formation on metal nanostructures18 Jan 2022US 11,228,026 B2Honda Motor Co., Ltd.
- Apparatus and method for honeycomb ceramic-based plasma degradation of sf618 Jun 2026US 2026/0166515 A1CSG Electric Power Research Institute Co., Ltd.
- Fluoride removal process2 Jan 2025US 2025/0002340 A1
- Portable fluorine generator for on-site calibration7 Nov 2024US 2024/0367971 A1APPLIED Materials.Inc.
- Method for recycling spent carbon cathode of aluminum electrolysis20 Apr 2023US 2023/0120820 A1Central South University
- Portable fluorine generator for on-site calibration20 Oct 2022US 2022/0332575 A1APPLIED Materials.Inc.
Most cited
By later US patents
- Enhanced stripping of low-k films using downstream gas mixing36US 7,202,176 B1Novellus Systems, Inc. · 2007
- Method of decomposing chlorohydrocarbons30US 4,053,557 AMitsubishi Chemical Industries Limited · 1977
- Method of decomposing halohydrocarbons27US 3,972,979 AMitsubishi Chemical Industries Limited · 1976
- Generation of fluorine via thermal plasma decomposition of metal fluoride13US 5,207,999 ACameco Corporation · 1993
- Systems and methods for supplying auxiliary fuel streams during intermittent byproduct discharge from pressure swing adsorption assemblies13US 8,070,841 B2IdaTech, LLC · 2011