C22B 26/00
Obtaining alkali, alkaline earth metals or magnesium
C22B26/00 (Obtaining alkali, alkaline earth metals or magnesium) appears on 938 US grants and 1,495 published applications in this corpus.
Search patents in C22B- Granted patents
- 938
- Published applications
- 1,495
- Assignees
- 808
- Inventors
- 3,257
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 10 | 0 |
| 1978 | 9 | 0 |
| 1979 | 6 | 0 |
| 1980 | 9 | 0 |
| 1981 | 9 | 0 |
| 1982 | 6 | 0 |
| 1983 | 6 | 0 |
| 1984 | 9 | 0 |
| 1985 | 5 | 0 |
| 1986 | 5 | 0 |
| 1987 | 10 | 0 |
| 1988 | 19 | 0 |
| 1989 | 7 | 0 |
| 1990 | 5 | 0 |
| 1991 | 3 | 0 |
| 1992 | 10 | 0 |
| 1993 | 3 | 0 |
| 1994 | 4 | 0 |
| 1995 | 6 | 0 |
| 1996 | 12 | 0 |
| 1997 | 10 | 0 |
| 1998 | 8 | 0 |
| 1999 | 11 | 0 |
| 2000 | 9 | 0 |
| 2001 | 13 | 3 |
| 2002 | 9 | 11 |
| 2003 | 14 | 12 |
| 2004 | 11 | 12 |
| 2005 | 7 | 12 |
| 2006 | 5 | 19 |
| 2007 | 3 | 9 |
| 2008 | 6 | 17 |
| 2009 | 13 | 14 |
| 2010 | 17 | 12 |
| 2011 | 8 | 17 |
| 2012 | 6 | 17 |
| 2013 | 10 | 35 |
| 2014 | 25 | 45 |
| 2015 | 37 | 56 |
| 2016 | 27 | 33 |
| 2017 | 34 | 33 |
| 2018 | 33 | 33 |
| 2019 | 37 | 47 |
| 2020 | 37 | 52 |
| 2021 | 31 | 73 |
| 2022 | 35 | 101 |
| 2023 | 38 | 165 |
| 2024 | 85 | 226 |
| 2025 | 118 | 239 |
| 2026 | 80 | 202 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method of carbothermic process of magnesium production and co-production of calcium carbide6 Oct 2026US 12,753,464 B2Zhengzhou University
- Getter cartridge for substantially continuous operation of green mineral-refining reactors29 Sep 2026US 12,747,486 B2Lyten, Inc.
- Method for reusing active material by using positive electrode scrap29 Sep 2026US 12,749,729 B2LG Energy Solution, Ltd.
- Method for separating nickel from lithium, and application thereof22 Sep 2026US 12,742,225 B2Suzhou Botree Cycling Sci & Tech Co., Ltd
- Integration of carbon sequestration with selective hydrometallurgical recovery of metal values22 Sep 2026US 12,742,226 B2Negative Emissions Materials, Inc.
- Lime and hydraulic cement manufacture by electrolysis using hyaloclastite or lava, carbon mineralization by hyaloclastite or lava electrolysis and method of making and using same8 Oct 2026US 2026/0308006 A1Greencraft LLC
- Dynamic control of lithium production facility using model predictive controller1 Oct 2026US 2026/0297703 A1ExxonMobil Technology and Engineering Company
- Combined corrosion mitigation and hydrogen isotope extraction from molten salts1 Oct 2026US 2026/0301985 A1Battelle Savannah River Alliance, LLC
- Methods for carbon capture and metal recovery and related systems24 Sep 2026US 2026/0284595 A1Battelle Energy Alliance, LLC
- Ultra-low power membrane-assisted lithium extraction system with passive foulant removal24 Sep 2026US 2026/0284598 A1Lyten, Inc.
Most cited
By later US patents
- Diamond and cubic boron nitride abrasive compacts using size selective abrasive particle layers250US 4,311,490 AGeneral Electric Company · 1982
- Electrochemical slurry compositions and methods for preparing the same99US 9,484,569 B224M Technologies, Inc. · 2016
- Process for the purification of lithium carbonate95US 6,048,507 ALimtech · 2000
- Recovery of lithium from brine85US 4,291,001 AThe Dow Chemical Company · 1981
- Method for recovering lithium cell materials70US 5,491,037 ACanon Kabushiki Kaisha · 1996