C01F 7/0666
Process control or regulation
C01F7/0666 (Process control or regulation) appears on 5 US grants and 4 published applications in this corpus.
Search patents in C01F- Granted patents
- 5
- Published applications
- 4
- Assignees
- 4
- Inventors
- 17
- Latest grant
- 17 Dec 2019
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1992 | 1 | 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 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 1 | 0 |
| 2016 | 0 | 1 |
| 2017 | 1 | 2 |
| 2018 | 1 | 0 |
| 2019 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Process and installation for producing alumina trihydrate by alkaline digestion of bauxite ore17 Dec 2019US 10,508,042 B2Rio Tinto Alcan International Limited
- Compositions for enhancing production of aluminum hydroxide in an aluminum hydroxide production process16 Jan 2018US 9,868,646 B2Ecolab USA Inc.
- Methods for enhancing production of aluminum hydroxide in an aluminum hydroxide production process14 Mar 2017US 9,592,456 B2Ecolab USA Inc.
- Method of increasing the stability of a Bayer process liquor17 Nov 2015US 9,187,337 B2Alcoa of Australia Limited
- Process for producing alumina16 Jun 1992US 5,122,349 AAluminiumipari Troszt
- Compositions for enhancing production of aluminum hydroxide in an aluminum hydroxide production process18 May 2017US 2017/0137298 A1Ecolab USA Inc.
- Process and installation for producing alumina trihydrate by alkaline digestion of bauxite ore5 Jan 2017US 2017/0001876 A1Rio Tinto Alcan International Limited
- Compositions and methods for enhancing production of aluminum hydroxide in an aluminum hydroxide production process11 Aug 2016US 2016/0230248 A1Ecolab USA Inc.
- Method of increasing the stability of a bayer process liquor9 Jan 2014US 2014/0010742 A1Alcoa of Australia Limited
Most cited
By later US patents
- Method of increasing the stability of a Bayer process liquor3US 9,187,337 B2Alcoa of Australia Limited · 2015
- Process for producing alumina1US 5,122,349 AAluminiumipari Troszt · 1992
- Methods for enhancing production of aluminum hydroxide in an aluminum hydroxide production process1US 9,592,456 B2Ecolab USA Inc. · 2017