C01F 7/148
Separation of the obtained hydroxide
Official title: Separation of the obtained hydroxide, e.g. by filtration or dewatering
C01F7/148 (Separation of the obtained hydroxide) appears on 29 US grants and 20 published applications in this corpus.
Search patents in C01F- Granted patents
- 29
- Published applications
- 20
- Assignees
- 19
- Inventors
- 63
- Latest grant
- 28 Dec 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 2 | 2 |
| 2004 | 0 | 0 |
| 2005 | 1 | 1 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 1 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 3 | 4 |
| 2013 | 2 | 4 |
| 2014 | 0 | 0 |
| 2015 | 3 | 2 |
| 2016 | 1 | 0 |
| 2017 | 1 | 1 |
| 2018 | 1 | 1 |
| 2019 | 2 | 0 |
| 2020 | 0 | 1 |
| 2021 | 1 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Recovery of mining processing product using boronic acid-containing polymers28 Dec 2021US 11,208,332 B2Ecolab USA Inc.
- Alternative additives to enhance slurry dewatering29 Oct 2019US 10,457,584 B2Ecolab USA Inc.
- Recovery of mining processing product using boronic acid-containing polymers1 Oct 2019US 10,427,950 B2Ecolab USA Inc.
- Alternative additives to enhance slurry dewatering20 Feb 2018US 9,896,366 B2Ecolab USA Inc.
- Alternative additives to enhance slurry dewatering25 Apr 2017US 9,630,855 B2Ecolab USA Inc.
- Method for recovering lithium from lithium-salt-containing aqueous solution6 Feb 2025US 2025/0043391 A1Asaka Riken Co., Ltd.
- Recovery of mining processing product using boronic acid-containing polymers23 Jan 2020US 2020/0024148 A1Ecolab USA Inc.
- Alternative additives to enhance slurry dewatering14 Jun 2018US 2018/0162763 A1Ecolab USA Inc.
- Recovery of mining processing product using boronic acid-containing polymers8 Jun 2017US 2017/0158522 A1Ecolab USA Inc.
- Alternative additives to enhance slurry dewatering27 Aug 2015US 2015/0240325 A1Ecolab USA Inc.
Most cited
By later US patents
- Reinforcing aluminum-based filler and rubber composition comprising such a filter55US 6,610,261 B1Compagnie Generale des Etablissements Michelin - Michelin & Cie · 2003
- Recovery of alumina trihydrate in the Bayer process18US 5,041,269 AAllied Colloids Limited · 1991
- Reduction of impurities in bayer process alumina trihydrate18US 5,665,244 ACytec Technology Corp. · 1997
- Process for precipitation of aluminum hydroxide from aluminate solution17US 4,049,773 ANorsk Hydro A/S · 1977
- Recovery of alumina trihydrate during the bayer process using cross-linked polysaccharides15US 8,298,508 B2Nalco Company · 2012