C01F 7/57
Basic aluminium chlorides
Official title: Basic aluminium chlorides, e.g. polyaluminium chlorides
C01F7/57 (Basic aluminium chlorides) appears on 69 US grants and 53 published applications in this corpus.
Search patents in C01F- Granted patents
- 69
- Published applications
- 53
- Assignees
- 51
- Inventors
- 144
- Latest grant
- 16 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 4 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 5 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 4 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 0 |
| 2003 | 0 | 2 |
| 2004 | 0 | 1 |
| 2005 | 1 | 2 |
| 2006 | 1 | 0 |
| 2007 | 0 | 3 |
| 2008 | 0 | 4 |
| 2009 | 1 | 2 |
| 2010 | 1 | 3 |
| 2011 | 1 | 1 |
| 2012 | 3 | 0 |
| 2013 | 0 | 2 |
| 2014 | 2 | 2 |
| 2015 | 0 | 2 |
| 2016 | 2 | 4 |
| 2017 | 3 | 8 |
| 2018 | 5 | 3 |
| 2019 | 2 | 1 |
| 2020 | 2 | 2 |
| 2021 | 1 | 1 |
| 2022 | 0 | 0 |
| 2023 | 2 | 4 |
| 2024 | 0 | 1 |
| 2025 | 2 | 3 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- System and method for manufacturing aluminum chlorohydrate16 Dec 2025US 12,497,302 B2Chemtrade Solutions, LLC
- Devices and methods of using small form aluminum in consecutive batch aluminum chlorohydrate processes13 May 2025US 12,297,120 B2Board of Regents, The University of Texas System
- High purity aluminum oxide via electrodialysis5 Sep 2023US 11,746,021 B2Nextchem S.P.A.
- Devices and methods of using small form aluminum in consecutive batch aluminum chlorohydrate processes21 Feb 2023US 11,583,817 B2Board of Regents, The University of Texas System
- Concentrated aqueous solutions of aluminum chlorohydrate monohydrate16 Mar 2021US 10,947,124 B2Usalco, 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
- A method for producing an aluminous material4 Jun 2026US 2026/0152408 A1
- Devices and methods of using small form aluminum in consecutive batch aluminum chlorohydrate processes28 Aug 2025US 2025/0270105 A1Board of Regents, The University of Texas System
- Aluminum Chloride Derivatives Produced in a Multi-Zone Oven12 Jun 2025US 2025/0187938 A1Usalco, LLC
- Amorphous Sodium Aluminate1 May 2025US 2025/0136462 A1Usalco, LLC
Most cited
By later US patents
- Antiperspirant activity of basic aluminum compounds115US 4,359,456 ALever Brothers Company · 1982
- Polyhydric alcohol stabilized antiperspirant salt solutions30US 6,010,688 AThe Gillette Company · 2000
- Polyhydric alcohol stabilized antiperspirant salt solutions27US 6,074,632 AThe Gillette Company · 2000
- Dimeric aluminum compounds and their use24US 4,655,934 ANalco Chemical Company · 1987
- Process for preparing basic aluminum compounds having increased sweat resistant activity21US 4,859,446 AWickhen Products, Inc. · 1989