C01F 7/56
Chlorides
Official title: Chlorides (containing fluorine C01F7/52)
C01F7/56 (Chlorides) appears on 244 US grants and 138 published applications in this corpus.
Search patents in C01F- Granted patents
- 244
- Published applications
- 138
- Assignees
- 154
- Inventors
- 473
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 12 | 0 |
| 1977 | 8 | 0 |
| 1978 | 18 | 0 |
| 1979 | 3 | 0 |
| 1980 | 5 | 0 |
| 1981 | 18 | 0 |
| 1982 | 11 | 0 |
| 1983 | 7 | 0 |
| 1984 | 16 | 0 |
| 1985 | 12 | 0 |
| 1986 | 6 | 0 |
| 1987 | 4 | 0 |
| 1988 | 1 | 0 |
| 1989 | 4 | 0 |
| 1990 | 7 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 5 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 6 | 0 |
| 2000 | 5 | 0 |
| 2001 | 6 | 0 |
| 2002 | 2 | 0 |
| 2003 | 0 | 3 |
| 2004 | 0 | 2 |
| 2005 | 2 | 2 |
| 2006 | 1 | 1 |
| 2007 | 0 | 4 |
| 2008 | 0 | 5 |
| 2009 | 1 | 4 |
| 2010 | 1 | 3 |
| 2011 | 2 | 2 |
| 2012 | 3 | 3 |
| 2013 | 3 | 5 |
| 2014 | 5 | 7 |
| 2015 | 3 | 10 |
| 2016 | 7 | 13 |
| 2017 | 8 | 16 |
| 2018 | 13 | 6 |
| 2019 | 6 | 5 |
| 2020 | 5 | 3 |
| 2021 | 1 | 5 |
| 2022 | 0 | 3 |
| 2023 | 5 | 10 |
| 2024 | 1 | 7 |
| 2025 | 4 | 9 |
| 2026 | 5 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for producing highB purity aluminum from aluminum chloride25 Aug 2026US 12,715,778 B2Aluminum Technologies, LLC
- Solid electrolyte material and battery using same16 Jun 2026US 12,658,472 B2Panasonic Intellectual Property Management Co., Ltd.
- Process for producing alumina and a lithium salt17 Mar 2026US 12,577,115 B2Tianqi Lithium Kwinana Pty Ltd
- Process for selective chlorination of aluminous ores for the preparation of aluminum6 Jan 2026US 12,515,961 B2Aluminum Technologies, LLC
- Reduction cell for producing aluminum6 Jan 2026US 12,515,962 B2Aluminum Technologies, LLC
- 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
- Negative electrode active material for chloride ion battery, method for producing same, and chloride ion battery17 Sep 2026US 2026/0274700 A1Toyota Jidosha Kabushiki Kaisha
- Method for producing iron chloride and aluminum chloride from sewage sludge ashes17 Sep 2026US 2026/0274701 A1LANXESS Deutschland GmbH
- Purification method for anhydrous aluminum chloride, and gas-phase nano-alumina preparation device and method therefor17 Sep 2026US 2026/0274702 A1Guangzhou Huifu Research Institute Co., Ltd.
- A method for producing a doped aluminous material20 Aug 2026US 2026/0242232 A1Lava Blue Ltd
Most cited
By later US patents
- Preparation of metal halide-amine complexes153US 5,045,244 AEthyl Corporation · 1991
- Antiperspirant activity of basic aluminum compounds115US 4,359,456 ALever Brothers Company · 1982
- Anhydrous separation of volatile aluminum chloride complex from an ethylbenzene production stream by distillation47US 4,282,071 AThe Dow Chemical Company · 1981
- Method of treating spent potliner material from aluminum reduction cells32US 5,723,097 AGoldendale Aluminum Company · 1998
- Aluminum production via the chlorination of partially calcined aluminum chloride hexahydrate30US 4,465,659 AAtlantic Richfield Company · 1984