C01F 5/14
Magnesium hydroxide
C01F5/14 (Magnesium hydroxide) appears on 223 US grants and 238 published applications in this corpus.
Search patents in C01F- Granted patents
- 223
- Published applications
- 238
- Assignees
- 171
- Inventors
- 616
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 4 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 4 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 3 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 6 | 0 |
| 1996 | 3 | 0 |
| 1997 | 7 | 0 |
| 1998 | 7 | 0 |
| 1999 | 9 | 0 |
| 2000 | 5 | 0 |
| 2001 | 8 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 3 |
| 2004 | 2 | 3 |
| 2005 | 3 | 4 |
| 2006 | 4 | 4 |
| 2007 | 3 | 6 |
| 2008 | 1 | 6 |
| 2009 | 4 | 6 |
| 2010 | 3 | 11 |
| 2011 | 3 | 9 |
| 2012 | 2 | 5 |
| 2013 | 1 | 12 |
| 2014 | 8 | 6 |
| 2015 | 6 | 14 |
| 2016 | 9 | 19 |
| 2017 | 13 | 12 |
| 2018 | 8 | 9 |
| 2019 | 14 | 9 |
| 2020 | 5 | 10 |
| 2021 | 5 | 13 |
| 2022 | 7 | 9 |
| 2023 | 8 | 21 |
| 2024 | 13 | 19 |
| 2025 | 13 | 14 |
| 2026 | 3 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Methanation reaction device using endothermic reaction for removal of reaction heat and regeneration process for heat-absorbing material21 Apr 2026US 12,605,687 B2
- Methods for extracting lithium from brines14 Apr 2026US 12,600,642 B2Saudi Arabian Oil Company
- Methods and systems for producing activated silicate based materials using sustainable energy and materials24 Feb 2026US 12,559,376 B2The Trustees of Columbia University in the City of New York
- 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
- Carbon capture using electrochemically-produced acid and base2 Dec 2025US 12,486,585 B2Electrasteel, Inc.
- 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
- Integration of Carbon Sequestration with Selective Hydrometallurgical Recovery of Metal Values2 Jul 2026US 2026/0185186 A1NEGATIVE EMISSIONS MATERIALS, INC. (doing business as ATLAS MATERIALS)
- Systems and methods for producing alkali hydroxides and sulfuric acid or hydrochloric acid11 Jun 2026US 2026/0159405 A1Innovator Energy, LLC
Most cited
By later US patents
- Nanowire catalysts and methods for their use and preparation64US 8,962,517 B2Siluria Technologies, Inc. · 2015
- Magnesium hydroxides having novel structure, process for production thereof, and resin compositions containing them48US 4,098,762 AKyowa Chemical Industry Co., Ltd. · 1978
- Recovery of lithium compounds from brines45US 6,207,126 B1Chemetall Foote Corporation · 2001
- Production of ethylene with nanowire catalysts44US 9,718,054 B2Siluria Technologies, Inc. · 2017
- Nanowire catalysts and methods for their use and preparation36US 9,751,818 B2Siluria Technologies, Inc. · 2017