C01F 5/34
Dehydrating magnesium chloride containing water of crystallisation
C01F5/34 (Dehydrating magnesium chloride containing water of crystallisation) appears on 25 US grants and 9 published applications in this corpus.
Search patents in C01F- Granted patents
- 25
- Published applications
- 9
- Assignees
- 21
- Inventors
- 71
- Latest grant
- 14 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 4 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 2 | 4 |
| 2024 | 0 | 1 |
| 2025 | 2 | 1 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- 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
- System for producing magnesium chloride aqueous solution and system for producing magnesium8 Jul 2025US 12,351,475 B2Mitsubishi Heavy Industries, Ltd.
- Method and system for extraction of minerals based on divalent cations from brine7 Nov 2023US 11,806,668 B2Saline Water Conversion Corporation
- Method and system for extraction of minerals based on divalent cations from brine8 Jan 2026US 2026/0008014 A1Saudi Water Authority
- Process of extracting nickel sulfate from asbestos mining residue9 Jan 2025US 2025/0011956 A1Alliance MagnéSium
- Methods for extracting lithium from brines10 Oct 2024US 2024/0336491 A1Saudi Arabian Oil Company
- Method and system for extraction of minerals based on divalent cations from brine21 Dec 2023US 2023/0405526 A1Saline Water Conversion Corporation
- Method and System for Extraction of Minerals Based on Divalent Cations From Brine15 Jun 2023US 2023/0182077 A1Saline Water Conversion Corporation
Most cited
By later US patents
- Anhydrous magnesium chloride using ethylene glycol and ammonia10US 3,966,888 ANalco Chemical Company · 1976
- Anhydrous magnesium chloride process10US 3,983,224 ANalco Chemical Company · 1976
- Method for dehydrating metal chlorides5US 4,105,747 AThe United States of America as represented by the Secretary of the Interior · 1978
- Preparation of a MgCl.sub.2 solution for Nalco's MgCl.sub.2 process from MgSO.sub.4 and other MgSO.sub.4 salts5US 4,195,070 ANalco Chemical Company · 1980
- Process for the preparation of anhydrous magnesium chloride having a high degree of purity5US 4,228,144 AUbe Industries, Ltd. · 1980