C01F 11/28
By chlorination of alkaline-earth metal compounds
Official title: by chlorination of alkaline-earth metal compounds
C01F11/28 (By chlorination of alkaline-earth metal compounds) appears on 35 US grants and 35 published applications in this corpus.
Search patents in C01F- Granted patents
- 35
- Published applications
- 35
- Assignees
- 27
- Inventors
- 57
- Latest grant
- 16 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 4 |
| 2011 | 0 | 0 |
| 2012 | 4 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 1 |
| 2015 | 0 | 1 |
| 2016 | 0 | 1 |
| 2017 | 2 | 3 |
| 2018 | 2 | 3 |
| 2019 | 3 | 2 |
| 2020 | 3 | 1 |
| 2021 | 1 | 4 |
| 2022 | 2 | 2 |
| 2023 | 3 | 2 |
| 2024 | 2 | 3 |
| 2025 | 2 | 1 |
| 2026 | 0 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Production of lithium chemicals and metallic lithium16 Sep 2025US 12,415,733 B2Icsip Pty Ltd
- Process for pure carbon production18 Feb 2025US 12,227,417 B2West Virginia University Board of Governors on behalf of West Virginia University
- Methods of treating metal carbonate salts5 Mar 2024US 11,918,970 B2Energy & Environmental Research Center Foundation
- Systems and methods to recover value-added materials from gypsum27 Feb 2024US 11,912,582 B2Davy Powersports Inc.
- Methods of treating metal carbonate salts8 Aug 2023US 11,717,802 B2Energy & Environmental Research Center Foundation
- Compositions, methods, and systems related to transformation of vaterite particles13 Aug 2026US 2026/0234055 A1Arelac, Inc.
- Production of lithium chemicals and metallic lithium8 Jan 2026US 2026/0008682 A1Icsip Pty Ltd
- Production of lithium chemicals and metallic lithium8 Jan 2026US 2026/0008683 A1Icsip Pty Ltd
- Production of lithium chemicals and metallic lithium8 Jan 2026US 2026/0008684 A1Icsip Pty Ltd
- Production of lithium chemicals and metallic lithium8 Jan 2026US 2026/0008685 A1Icsip Pty Ltd
Most cited
By later US patents
- Method for obtaining sodium carbonate crystals25US 7,708,972 B2Solvay (SociétéAnonyme) · 2010
- Process for the manufacture of calcium chloride10US 4,704,265 AThe Dow Chemical Company · 1987
- Method for obtaining sodium carbonate monohydrate crystals8US 8,202,659 B2Solvay (Societe Anonyme) · 2012
- Chlorination of ores containing alkali or alkaline earth values7US 4,652,434 ASCM Corporation · 1987
- Cyclical reaction of calcium carbonate6US 11,008,591 B2Biomason, Inc. · 2021