C01F 7/741
Preparation from elemental aluminium or elemental aluminium containing materials
Official title: Preparation from elemental aluminium or elemental aluminium containing materials, e.g. foil or dross
C01F7/741 (Preparation from elemental aluminium or elemental aluminium containing materials) appears on 7 US grants and 4 published applications in this corpus.
Search patents in C01F- Granted patents
- 7
- Published applications
- 4
- Assignees
- 7
- Inventors
- 16
- Latest grant
- 15 Jun 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 1 | 1 |
| 2018 | 1 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 1 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method of preparing aluminum sulfate15 Jun 2021US 11,034,588 B2Chameleon Industries, Inc.
- Method for the processing of potassium containing materials13 Mar 2018US 9,914,646 B2K-Max Pty Ltd
- Removal of ions from aqueous fluid23 May 2017US 9,656,887 B2The Water Company LLC
- Process for reclaiming aluminum from waste paper and packaging products10 Oct 1995US 5,456,739 A
- Process for preparing basic aluminum compounds having increased sweat resistant activity22 Aug 1989US 4,859,446 AWickhen Products, Inc.
- System for preparing aluminum compounds using waste sulfuric acid and method thereof28 May 2026US 2026/0145958 A1Mg Chem Co., Ltd.
- Method of Preparing Aluminum Sulfate7 May 2020US 2020/0140283 A1Chameleon Industries, Inc.
- Method for the processing of potassium containing materials9 Nov 2017US 2017/0320749 A1K-Max Pty Ltd
- Removal of ions from aqueous fluid1 May 2014US 2014/0116954 A1The Water Company LLC
Most cited
By later US patents
- Recovery of aluminum and other metal values from fly ash24US 4,252,777 AThe United States of America as represented by the United States Department of Energy · 1981
- Process for preparing basic aluminum compounds having increased sweat resistant activity21US 4,859,446 AWickhen Products, Inc. · 1989
- Aluminum sulfate manufacture from aluminum dross tailings6US 4,320,098 AImperial West Chemical Company · 1982
- Process for reclaiming aluminum from waste paper and packaging products2US 5,456,739 A1995