C01F 7/743
Preparation from silicoaluminious materials
Official title: Preparation from silicoaluminious materials, e.g. clays or bauxite
C01F7/743 (Preparation from silicoaluminious materials) appears on 10 US grants and 5 published applications in this corpus.
Search patents in C01F- Granted patents
- 10
- Published applications
- 5
- Assignees
- 7
- Inventors
- 21
- Latest grant
- 15 Jun 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 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 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 1 | 0 |
| 2020 | 0 | 3 |
| 2021 | 3 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Method of preparing aluminum sulfate15 Jun 2021US 11,034,588 B2Chameleon Industries, Inc.
- Method of preparing aluminum sulfate23 Mar 2021US 10,954,134 B2Chameleon Industries, Inc.
- System and method of preparing aluminum sulfate23 Mar 2021US 10,954,135 B2Chameleon Industries, Inc.
- Method of preparing aluminum sulfate10 Dec 2019US 10,501,330 B1Chameleon Industries, Inc.
- Production of aluminum compounds and silica from ores15 Aug 2006US 7,090,809 B2ATI-Aluminum Technologies Israel Ltd.
- Method for producing coagulant aluminium salts28 Dec 2023US 2023/0416104 A1Kemira Oyj
- Method of Preparing Aluminum Sulfate7 May 2020US 2020/0140283 A1Chameleon Industries, Inc.
- System and Method of Preparing Aluminum Sulfate16 Apr 2020US 2020/0115251 A1Chameleon Industries, Inc.
- Method of Preparing Aluminum Sulfate5 Mar 2020US 2020/0071178 A1Chameleon Industries, Inc.
- Production of aluminum compounds and silica from ores11 Mar 2004US 2004/0047791 A1ATI-Aluminum Technologies Israel Ltd.
Most cited
By later US patents
- Recovery of metal values from spent catalysts30US 4,721,606 AUnion Oil Company of California · 1988
- Method for the treatment of impure aluminium oxide21US 5,942,199 AKemira Chemicals, Inc. · 1999
- Method for oxidation of sulfur-containing substances17US 3,949,684 ACopeland Systems, Inc. · 1976
- Production of aluminum compounds and silica from ores15US 7,090,809 B2ATI-Aluminum Technologies Israel Ltd. · 2006
- Method of preparing aluminum sulfate2US 10,501,330 B1Chameleon Industries, Inc. · 2019