C01B 33/10705
Tetrafluoride
Official title: {Tetrafluoride}
C01B33/10705 (Tetrafluoride) appears on 27 US grants and 33 published applications in this corpus.
Search patents in C01B- Granted patents
- 27
- Published applications
- 33
- Assignees
- 30
- Inventors
- 97
- Latest grant
- 6 Feb 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 2 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 1 | 2 |
| 2008 | 0 | 0 |
| 2009 | 0 | 2 |
| 2010 | 0 | 7 |
| 2011 | 0 | 6 |
| 2012 | 1 | 3 |
| 2013 | 2 | 3 |
| 2014 | 1 | 2 |
| 2015 | 4 | 0 |
| 2016 | 1 | 0 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 1 |
| 2024 | 1 | 0 |
| 2025 | 0 | 2 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Methods for graded utilization of fluorine and silicon resources in phosphate ores6 Feb 2024US 11,891,344 B2Chtem Limited
- Process for producing fluoride gas15 Aug 2017US 9,731,968 B2Stella Chemifa Corporation
- Methods for producing aluminum trifluoride27 Dec 2016US 9,527,752 B2SunEdison, Inc.
- High temperature decomposition of complex precursor salts in a molten salt11 Aug 2015US 9,101,896 B2SRI International
- Method to convert waste silicon to high purity silicon30 Jun 2015US 9,067,338 B2Semlux Technologies, Inc.
- Method for fluorine separation and recovery from phosphate rock enhanced with microbubble coupled silicon additive19 Feb 2026US 2026/0048997 A1Institute of Process Engineering, Chinese Academy of Sciences
- Fluorinated gas abatement and fluoride sequestration using silicon13 Nov 2025US 2025/0345747 A1International Business Machines Corporation
- Salt hydrate compositions for thermal energy storage systems27 Feb 2025US 2025/0066658 A1The Regents of the University of Michigan
- Methods for graded utilization of fluorine and silicon resources in phosphate ores26 Oct 2023US 2023/0339822 A1Chtem Limited
- Salt hydrate compositions for thermal energy storage systems18 Aug 2022US 2022/0259479 A1The Regents of the University of Michigan
Most cited
By later US patents
- Process of preparing silicon tetrafluoride by using hydrogen fluoride gas20US 4,382,071 ACentral Glass Company, Limited · 1983
- Generation of fluorine via thermal plasma decomposition of metal fluoride13US 5,207,999 ACameco Corporation · 1993
- Process for producing silicon tetrafluoride12US 4,615,872 AD. Swarovski & Co. · 1986
- Method for hydrofluoric acid digestion of silica/alumina matrix material for the production of silicon tetrafluoride, aluminum fluoride and other residual metal fluorides and oxides12US 5,242,670 A1993
- Continuous production of silicon tetrafluoride gas in a vertical column11US 4,470,959 AAllied Corporation · 1984