C01F 5/30
Chlorides
C01F5/30 (Chlorides) appears on 167 US grants and 107 published applications in this corpus.
Search patents in C01F- Granted patents
- 167
- Published applications
- 107
- Assignees
- 115
- Inventors
- 405
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 14 | 0 |
| 1977 | 3 | 0 |
| 1978 | 6 | 0 |
| 1979 | 3 | 0 |
| 1980 | 10 | 0 |
| 1981 | 5 | 0 |
| 1982 | 4 | 0 |
| 1983 | 3 | 0 |
| 1984 | 4 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 4 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 6 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 6 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 1 |
| 2002 | 5 | 1 |
| 2003 | 0 | 1 |
| 2004 | 3 | 4 |
| 2005 | 0 | 4 |
| 2006 | 3 | 1 |
| 2007 | 0 | 1 |
| 2008 | 2 | 2 |
| 2009 | 1 | 2 |
| 2010 | 1 | 2 |
| 2011 | 1 | 4 |
| 2012 | 0 | 2 |
| 2013 | 3 | 1 |
| 2014 | 1 | 5 |
| 2015 | 3 | 3 |
| 2016 | 5 | 7 |
| 2017 | 1 | 8 |
| 2018 | 10 | 10 |
| 2019 | 4 | 4 |
| 2020 | 8 | 7 |
| 2021 | 5 | 5 |
| 2022 | 2 | 2 |
| 2023 | 8 | 8 |
| 2024 | 3 | 7 |
| 2025 | 3 | 6 |
| 2026 | 3 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Corrosion-resistant coolant salt and method for making same21 Apr 2026US 12,606,452 B2TerraPower, LLC
- Methods for extracting lithium from brines14 Apr 2026US 12,600,642 B2Saudi Arabian Oil Company
- System for producing magnesium chloride and system for producing magnesium17 Mar 2026US 12,577,120 B2Mitsubishi Heavy Industries, Ltd.
- Method and system for extraction of minerals based on divalent cations from brine7 Oct 2025US 12,434,192 B2Saudi Water Authority
- Method for purifying magnesium chloride solutions26 Aug 2025US 12,398,047 B2Purac Biochem B. V.
- Process for manufacturing high-purity magnesium oxide from magnesium chloride13 Aug 2026US 2026/0234014 A1
- Corrosion-resistant coolant salt and method for making same16 Jul 2026US 2026/0200750 A1TerraPower, LLC
- Methods of in situ corrosion mitigation in molten salt processes, and related systems18 Jun 2026US 2026/0167510 A1Battelle Energy Alliance, LLC
- Method for extracting potassium bicarbonate from mineral mixtures14 May 2026US 2026/0132039 A1Kellium Minerals LLC
- Magnesium chloride purification systems, devices and methods14 May 2026US 2026/0132041 A1
Most cited
By later US patents
- Chlorination of impure magnesium chloride melt65US 4,248,839 ANL Industries, Inc. · 1981
- Magnesium hydroxides having novel structure, process for production thereof, and resin compositions containing them48US 4,098,762 AKyowa Chemical Industry Co., Ltd. · 1978
- Magnesium cement42US 4,838,941 AAusmintec Corp. Limited · 1989
- Process for producing pure magnesium oxide40US 4,944,928 AVeitscher Magnestiwerke-Actien-Gesellschaft · 1990
- Magnesium hydroxides having novel structure, process for production thereof, and resin compositions containing them33US 4,145,404 AKyowa Chemical Industry Co., Ltd. · 1979