C01F 7/767
Alkaline earth metal aluminium sulfates
C01F7/767 (Alkaline earth metal aluminium sulfates) appears on 10 US grants and 7 published applications in this corpus.
Search patents in C01F- Granted patents
- 10
- Published applications
- 7
- Assignees
- 7
- Inventors
- 22
- Latest grant
- 22 Dec 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 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 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 2 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 1 |
| 2016 | 1 | 0 |
| 2017 | 1 | 1 |
| 2018 | 1 | 0 |
| 2019 | 0 | 0 |
| 2020 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Sodium aluminum sulfate for use in animal litters22 Dec 2020US 10,869,459 B1Usalco, LLC
- Modification of layered double hydroxides20 Nov 2018US 10,131,548 B2SCG Chemicals Co., Ltd.
- Removal of ions from aqueous fluid23 May 2017US 9,656,887 B2The Water Company LLC
- Modification of layered double hydroxides5 Jul 2016US 9,382,123 B2SCG Chemicals Co., Ltd.
- Process for preparing a pigment for a coated paper18 May 1999US 5,904,761 A
- Modification of layered double hydroxides5 Jan 2017US 2017/0001877 A1SCG Chemicals Co., Ltd.
- Modification of layered double hydroxides18 Jun 2015US 2015/0166355 A1SCG Chemicals Co., Ltd.
- Removal of ions from aqueous fluid1 May 2014US 2014/0116954 A1The Water Company LLC
- Method for treatment of sludge21 Apr 2011US 2011/0089109 A1
- Aluminium sulphate compositions containing polynuclear complexes and a method of producing the same and the use thereof18 Aug 2005US 2005/0178519 A1
Most cited
By later US patents
- Hydrotalcites having a hexagonal needle-like crystal structure and process for production thereof46US 4,351,814 AKyowa Chemical Industry Co., Ltd. · 1982
- Process for the manufacture of a fine white filler for industrial purposes10US 4,002,484 ACiments Lafarge S.A. · 1977
- Inorganic fibers6US 4,270,954 ASuddeutsche Kalkstickstoff-Werke Aktiengesellschaft · 1981
- Inorganic fibers4US 4,296,089 ASuddeutsche Kalkstickstoff-Werke Aktiengesellschaft · 1981
- Modification of layered double hydroxides3US 9,382,123 B2SCG Chemicals Co., Ltd. · 2016