C01F 5/08
By calcining magnesium hydroxide
Official title: by calcining magnesium hydroxide
C01F5/08 (By calcining magnesium hydroxide) appears on 68 US grants and 83 published applications in this corpus.
Search patents in C01F- Granted patents
- 68
- Published applications
- 83
- Assignees
- 51
- Inventors
- 193
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 2 |
| 2008 | 0 | 2 |
| 2009 | 1 | 4 |
| 2010 | 2 | 5 |
| 2011 | 2 | 3 |
| 2012 | 2 | 2 |
| 2013 | 2 | 4 |
| 2014 | 4 | 5 |
| 2015 | 3 | 4 |
| 2016 | 3 | 3 |
| 2017 | 4 | 3 |
| 2018 | 1 | 3 |
| 2019 | 2 | 3 |
| 2020 | 2 | 3 |
| 2021 | 5 | 3 |
| 2022 | 0 | 2 |
| 2023 | 1 | 7 |
| 2024 | 4 | 7 |
| 2025 | 3 | 9 |
| 2026 | 3 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- High-purity magnesium oxide and method for production thereof1 Sep 2026US 12,722,980 B2Joint Stock Company Kaustik
- Methanation reaction device using endothermic reaction for removal of reaction heat and regeneration process for heat-absorbing material21 Apr 2026US 12,605,687 B2
- Preparation device for magnesium oxide fiber and preparation method thereof27 Jan 2026US 12,534,816 B2Tangshan Weimei New Material Technology Co., Ltd.
- Coated member manufacturing method and coated member4 Nov 2025US 12,460,085 B2Proterial, Ltd.
- Method of producing annealing separator, annealing separator, and grain-oriented magnetic steel17 Jun 2025US 12,330,956 B2SETOLAS Holdings, Inc.
- High-purity magnesium oxide and method for production thereof8 Oct 2026US 2026/0308004 A1Joint Stock Company Kaustik
- Mgo powder, mgo slurry, and methods of manufacturing the same, and method of manufacturing grain-oriented electrical steel sheet17 Sep 2026US 2026/0274699 A1Nippon Steel Corporation
- Magnesium oxide particles and production method thereof23 Jul 2026US 2026/0209587 A1Ube Material Industries, Ltd.
- 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
- Spherical magnesium oxide, method for producing same, heat-conductive filler, and resin composition25 Jun 2026US 2026/0176150 A1Tateho Chemical Industries Co., Ltd.
Most cited
By later US patents
- Nanowire catalysts and methods for their use and preparation64US 8,962,517 B2Siluria Technologies, Inc. · 2015
- Nanowire catalysts and methods for their use and preparation36US 9,751,818 B2Siluria Technologies, Inc. · 2017
- Fibrous magnesium oxide and process for production thereof30US 4,505,887 AKyowa Chemical Industry Co., Ltd. · 1985
- Magnesium-containing dispersions15US 4,229,309 APetrolite Corporation · 1980
- Process for improving the physical and catalytic properties of fluid cracking catalysts15US 4,946,814 AThiele Kaolin Company · 1990