C01F 5/22
From magnesium compounds with alkali hydroxides or alkaline- earth oxides or hydroxides
Official title: from magnesium compounds with alkali hydroxides or alkaline- earth oxides or hydroxides
C01F5/22 (From magnesium compounds with alkali hydroxides or alkaline- earth oxides or hydroxides) appears on 102 US grants and 107 published applications in this corpus.
Search patents in C01F- Granted patents
- 102
- Published applications
- 107
- Assignees
- 85
- Inventors
- 280
- Latest grant
- 14 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 3 | 0 |
| 1998 | 0 | 0 |
| 1999 | 3 | 0 |
| 2000 | 3 | 0 |
| 2001 | 6 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 2 |
| 2004 | 2 | 2 |
| 2005 | 2 | 3 |
| 2006 | 4 | 4 |
| 2007 | 3 | 1 |
| 2008 | 1 | 6 |
| 2009 | 2 | 1 |
| 2010 | 2 | 6 |
| 2011 | 2 | 6 |
| 2012 | 1 | 2 |
| 2013 | 1 | 5 |
| 2014 | 6 | 3 |
| 2015 | 1 | 4 |
| 2016 | 4 | 6 |
| 2017 | 4 | 4 |
| 2018 | 3 | 2 |
| 2019 | 4 | 3 |
| 2020 | 1 | 3 |
| 2021 | 3 | 5 |
| 2022 | 1 | 3 |
| 2023 | 3 | 13 |
| 2024 | 7 | 10 |
| 2025 | 7 | 4 |
| 2026 | 1 | 9 |
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
- Facile, low-energy routes for the production of hydrated calcium and magnesium salts from alkaline industrial wastes23 Dec 2025US 12,503,372 B2The Regents of the University of California
- Production of lithium chemicals and metallic lithium16 Sep 2025US 12,415,733 B2Icsip Pty Ltd
- g-C3N4@CuO/MgA12O4 nanocomposite for photocatalytic degradation of pollutants in contaminated water12 Aug 2025US 12,384,690 B1Imam Mohammad Ibn Saud Islamic University
- System for producing magnesium hydroxide22 Jul 2025US 12,364,933 B2Mitsubishi Heavy Industries, Ltd.
- Method and device for producing particles with a high magnesium content from sea water27 Aug 2026US 2026/0250144 A1
- Production of magnesium30 Jul 2026US 2026/0218334 A1Njordur Holding ehf.
- Method for producing high-purity magnesium oxide from waste refractory material through eco-friendly hydrometallurgical application process and magnesium oxide produced thereby16 Jul 2026US 2026/0200749 A1Korea Institute of Geoscience and Mineral Resources
- Electrochemical metallurgical slag recycling14 May 2026US 2026/0132484 A1Electrasteel, Inc.
- Production of lithium chemicals and metallic lithium8 Jan 2026US 2026/0008682 A1Icsip Pty Ltd
Most cited
By later US patents
- Recovery of lithium compounds from brines45US 6,207,126 B1Chemetall Foote Corporation · 2001
- Smoking article wrapper and method of making same35US 4,915,118 AP. H. Glatfelter Company · 1990
- Inorganic particles35US 5,064,718 AImperial Chemical Industries PLC · 1991
- Magnesium hydroxide having fine, plate-like crystalline structure and process therefor32US 5,143,965 AThe Dow Chemical Company · 1992
- Treatment for acid mine drainage31US 5,698,107 A1997