C01F 7/765
Ammonium aluminium sulfates
C01F7/765 (Ammonium aluminium sulfates) appears on 5 US grants and 2 published applications in this corpus.
Search patents in C01F- Granted patents
- 5
- Published applications
- 2
- Assignees
- 6
- Inventors
- 9
- Latest grant
- 27 Oct 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 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 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 1 | 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 | 0 | 1 |
| 2020 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Method for the purification of alumina27 Oct 2020US 10,815,549 B2AluChem Companies, Inc.
- Recovery of titanium from titanium bearing materials21 Aug 2007US 7,258,847 B2Highveld Steel and Vanadium Corporation Limited
- Value improvements of clays28 Nov 2000US 6,153,157 AMcLaughlin Geosurveys Pty. Limited
- Process for recovering valuable metal from waste catalyst11 Jul 1995US 5,431,892 ASumitomo Metal Mining Co., Ltd.
- Process for the production of sulfates29 Jun 1982US 4,337,228 AAlumax Inc.
Most cited
By later US patents
- Value improvements of clays16US 6,153,157 AMcLaughlin Geosurveys Pty. Limited · 2000
- Process for recovering valuable metal from waste catalyst9US 5,431,892 ASumitomo Metal Mining Co., Ltd. · 1995
- Process for the production of sulfates3US 4,337,228 AAlumax Inc. · 1982
- Recovery of titanium from titanium bearing materials1US 7,258,847 B2Highveld Steel and Vanadium Corporation Limited · 2007