B28C 1/08
Separating suspensions
Official title: Separating suspensions, e.g. for obtaining clay, for removing stones; {Cleaning clay slurries}
B28C1/08 (Separating suspensions) appears on 16 US grants and 5 published applications in this corpus.
Search patents in B28C- Granted patents
- 16
- Published applications
- 5
- Assignees
- 13
- Inventors
- 35
- Latest grant
- 9 May 2017
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 2 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 2 | 2 |
| 2017 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- System and method for the concentration of a slurry9 May 2017US 9,643,126 B2Omya International AG
- System and method for the concentration of a slurry12 Jul 2016US 9,387,439 B2Omya International AG
- System and method for the concentration of a slurry17 May 2016US 9,339,763 B2Omya International AG
- Amine-aldehyde resins and uses thereof in separation processes22 Apr 2014US 8,702,993 B2Georgia-Pacific Chemicals LLC
- Modified amine-aldehyde resins and uses thereof in separation processes29 Mar 2011US 7,913,852 B2Georgia-Pacific Chemicals LLC
- System and method for the concentration of a slurry26 May 2016US 2016/0144319 A1Omya International AG
- System and method for the concentration of a slurry14 Apr 2016US 2016/0101388 A1Omya International AG
- System and method for the concentration of a slurry1 Aug 2013US 2013/0192991 A1Omya International AG
- Modified amine-aldehyde resins and uses thereof in separation processes13 Jul 2006US 2006/0151360 A1Georgia-Pacific Resins, Inc.
- Amine-aldehyde resins and uses thereof in separation processes13 Jul 2006US 2006/0151397 A1Georgia-Pacific Resins, Inc.
Most cited
By later US patents
- Method of treating clay to improve its whiteness22US 4,492,628 AFreeport Kaolin Company · 1985
- Method of concentrating slurried kaolin22US 4,687,546 AGeorgia Kaolin Company, Inc. · 1987
- Process for producing a kaolin clay product16US 5,223,463 AECC International Limited · 1993
- Purified attapulgite clay13US 6,444,601 B1ITC Incorporated · 2002
- Evaporative concentration of clay slurries10US 5,730,836 AComalco Aluminium Limited · 1998