C01F 7/08
By treating aluminous minerals with sodium carbonate
Official title: by treating aluminous minerals with sodium carbonate, e.g. sinter processes (C01F7/0613, C01F7/066 take precedence)
C01F7/08 (By treating aluminous minerals with sodium carbonate) appears on 12 US grants and 8 published applications in this corpus.
Search patents in C01F- Granted patents
- 12
- Published applications
- 8
- Assignees
- 9
- Inventors
- 30
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 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 | 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 | 1 |
| 2012 | 1 | 0 |
| 2013 | 0 | 2 |
| 2014 | 1 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 1 | 1 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 1 |
| 2023 | 1 | 1 |
| 2024 | 1 | 0 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Strontium-catalyzed boehmite formation14 Jul 2026US 12,679,738 B2BASF SE
- Process for preparation of copper compounds3 Sep 2024US 12,075,783 B2Upl Ltd
- Method of processing and treatment of alunite ores12 Sep 2023US 11,753,697 B2
- Oil free crystal growth modifiers for the bayer process16 Apr 2019US 10,259,721 B2Cytec Industries Inc.
- Method for co-producing alumina and activated calcium silicate from high-alumina fly ash22 Sep 2015US 9,139,445 B2Inner Mongolia Datang International Recycling Resource Development Co., Ltd.
- Strontium-catalyzed boehmite formation31 Aug 2023US 2023/0271844 A1BASF SE
- Process for preparation of copper compounds26 May 2022US 2022/0159964 A1Upl Ltd
- Method of Processing and Treatment of Alunite Ores11 Mar 2021US 2021/0071281 A1
- Oil free crystal growth modifiers for the bayer process25 Jul 2019US 2019/0225283 A1Cytec Industries Inc.
- Oil free crystal growth modifiers for the bayer process15 Mar 2018US 2018/0072583 A1Cytec Industries Inc.
Most cited
By later US patents
- Process for recovering soda and alumina values from red mud18US 4,045,537 AReynolds Metals Company · 1977
- Production of alumina from aluminum-containing mineral ores with sodium bicarbonate9US 4,468,375 AAluminum Company of America · 1984
- Pretreatment system for goethitic bauxites5US 4,112,047 AKaiser Aluminum & Chemical Corporation · 1978
- Composition and method for enhancing the production of crystal agglomerates from a precipitation liquor3US 8,282,689 B2Nalco Company · 2012
- Process for the recovery of alumina from fly ash2US 4,397,822 A1983