C01F 7/145
Characterised by the use of a crystal growth modifying agent other than
Official title: characterised by the use of a crystal growth modifying agent other than aluminium hydroxide seed
C01F7/145 (Characterised by the use of a crystal growth modifying agent other than) appears on 35 US grants and 26 published applications in this corpus.
Search patents in C01F- Granted patents
- 35
- Published applications
- 26
- Assignees
- 15
- Inventors
- 54
- Latest grant
- 11 Jun 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 2 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 3 | 2 |
| 2012 | 3 | 3 |
| 2013 | 1 | 4 |
| 2014 | 2 | 2 |
| 2015 | 4 | 0 |
| 2016 | 0 | 1 |
| 2017 | 2 | 3 |
| 2018 | 1 | 1 |
| 2019 | 2 | 1 |
| 2020 | 0 | 1 |
| 2021 | 1 | 1 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Bayer process11 Jun 2024US 12,006,225 B2Rio Tinto Alcan International Limited
- Recovery of mining processing product using boronic acid-containing polymers28 Dec 2021US 11,208,332 B2Ecolab USA Inc.
- Recovery of mining processing product using boronic acid-containing polymers1 Oct 2019US 10,427,950 B2Ecolab USA Inc.
- Oil free crystal growth modifiers for the bayer process16 Apr 2019US 10,259,721 B2Cytec Industries Inc.
- Compositions for enhancing production of aluminum hydroxide in an aluminum hydroxide production process16 Jan 2018US 9,868,646 B2Ecolab USA Inc.
- Bayer Process22 Aug 2024US 2024/0279075 A1Rio Tinto AIcan International Limited
- Bayer Process14 Jan 2021US 2021/0009435 A1Rio Tinto Alcan International Limited
- Recovery of mining processing product using boronic acid-containing polymers23 Jan 2020US 2020/0024148 A1Ecolab USA Inc.
- 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
- Coarsening of partially calcined alumina dust33US 4,051,222 AAlcan Research and Development Limited · 1977
- Use of surfactants in alumina precipitation in the bayer process25US 4,737,352 ANalco Chemical Company · 1988
- Alumina crystal growth additive20US 5,106,599 ANalco Chemical Company · 1992
- Recovery of alumina trihydrate in the Bayer process18US 5,041,269 AAllied Colloids Limited · 1991
- Use of polymers in alumina precipitation in the Bayer process of bauxite beneficiation16US 4,608,237 ANalco Chemical Company · 1986