C22B 3/1683
Leaching with organo-metallic compounds
Official title: {Leaching with organo-metallic compounds}
C22B3/1683 (Leaching with organo-metallic compounds) appears on 7 US grants and 4 published applications in this corpus.
Search patents in C22B- Granted patents
- 7
- Published applications
- 4
- Assignees
- 5
- Inventors
- 25
- Latest grant
- 21 Nov 2017
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 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 | 1 |
| 2016 | 0 | 0 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Processes for recovering metals from aqueous solutions21 Nov 2017US 9,822,425 B2Cytec Technology Corp.
- Processes for recovering metals from aqueous solutions3 Mar 2015US 8,968,698 B2Cytec Technology Corp.
- Processes relating to the extraction of metals from laterites and ocean manganese nodules8 Oct 1985US 4,545,816 AThe Standard Oil Company
- Process for recovery of mineral values from subterranean formations18 Dec 1984US 4,489,042 AMobil Oil Corporation
- Method of winning copper and accompanying metals from sulfidic ores, post-flotation deposits and waste products in the pyrometallurgical processing of copper ores26 May 1981US 4,269,676 APolitechnika Gdanska
- Process29 Aug 2024US 2024/0287642 A1Cemvita Factory, Inc.
- Process for leaching rare earth elements19 Nov 2020US 2020/0362436 A1
- Processes for recovering metals from aqueous solutions21 May 2015US 2015/0135903 A1Cytec Technology Corp.
- Processes for recovering metals from aqueous solutions8 May 2014US 2014/0127095 A1Cytec Technology Corp.
Most cited
By later US patents
- Processes relating to the extraction of metals from laterites and ocean manganese nodules8US 4,545,816 AThe Standard Oil Company · 1985
- Extraction and separation of metals from solids using liquid cation exchangers7US 4,008,134 A1977
- Method of winning copper and accompanying metals from sulfidic ores, post-flotation deposits and waste products in the pyrometallurgical processing of copper ores7US 4,269,676 APolitechnika Gdanska · 1981
- Process for recovery of mineral values from subterranean formations4US 4,489,042 AMobil Oil Corporation · 1984
- Extraction and separation of metals from solids using liquid cation exchangers1US 4,200,504 A1980