C22B 11/10
Obtaining noble metals: by amalgamating
Official title: by amalgamating
C22B11/10 (Obtaining noble metals: by amalgamating) appears on 41 US grants and 10 published applications in this corpus.
Search patents in C22B- Granted patents
- 41
- Published applications
- 10
- Assignees
- 22
- Inventors
- 70
- Latest grant
- 15 Aug 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 5 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 1 |
| 2010 | 0 | 1 |
| 2011 | 1 | 1 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 2 |
| 2016 | 2 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 0 |
| 2020 | 1 | 1 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 1 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Method for recovering metals from secondary materials and other materials comprising organic constituents15 Aug 2023US 11,725,256 B2Aurubis AG
- Method and apparatus for retrieving valuable metals step by step from waste printed circuit board particles19 May 2020US 10,655,198 B2
- System and method for recovering precious metals from precursor-type ore materials19 Apr 2016US 9,315,879 B2
- System and method for recovering precious metals from precursor-type ore materials15 Mar 2016US 9,284,619 B2
- Methods for the preparation and purification of electrolytes for redox flow batteries7 Oct 2014US 8,852,777 B2Deeya Energy, Inc.
- Alkaline Oxidation Process and Device for Treating Refractory Sulfide Ore, in Particular Refractory Gold Ore27 Apr 2023US 2023/0128925 A1S. A. Lhoist Recherche et Developpement
- Mercury collection system5 May 2022US 2022/0136083 A1Mercury Clean Up, LLC
- Method for recovering metals from secondary materials and other materials comprising organic constituents7 May 2020US 2020/0140973 A1Aurubis AG
- Method and apparatus for retrieving valuable metals step by step from waste printed circuit board particles5 Jul 2018US 2018/0187285 A1University of Science and Technology Beijing
- System and method for recovering precious metals from precursor-type ore materials10 Sep 2015US 2015/0252443 A1
Most cited
By later US patents
- Three media silver recovery apparatus67US 6,096,209 AAcademy, Ltd. · 2000
- Hg removal from wastewater by regenerative adsorption62US 5,080,799 AMobil Oil Corporation · 1992
- Process for producing high-purity ruthenium25US 6,036,741 AJapan Energy Corporation · 2000
- Methods for the preparation and purification of electrolytes for redox flow batteries20US 8,852,777 B2Deeya Energy, Inc. · 2014
- Method and apparatus for recovering fine gold from low grade ores18US 5,927,508 A1999