C22B 47/009
Refining
Official title: {refining, e.g. separation of metals obtained by the above methods}
C22B47/009 (Refining) appears on 6 US grants and 5 published applications in this corpus.
Search patents in C22B- Granted patents
- 6
- Published applications
- 5
- Assignees
- 7
- Inventors
- 17
- Latest grant
- 5 Aug 2025
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 | 1 | 0 |
| 1984 | 0 | 0 |
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| 1988 | 0 | 0 |
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| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
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| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 0 |
| 2025 | 1 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Process for recovering cobalt ion, nickel ion and manganese ion from metal-containing residues5 Aug 2025US 12,378,636 B2Fundacion Tecnalia Research & Innovation
- Separation of manganese from brine3 Jan 2017US 9,534,276 B1Geothermal Energy Project, LLC
- Regeneration, pretreatment and precipitation of oxides of manganese19 Jun 2007US 7,232,782 B2EnviroScrub Technologies Corporation
- Pretreatment and regeneration of oxides of manganese9 May 2006US 7,041,270 B2EnviroScrub Technologies Corporation
- Treating deep sea nodules by segregation roasting6 Sep 1983US 4,402,735 ACombustion Engineering, Inc.
- Process for the recovery of manganese2 Jul 2026US 2026/0185188 A1Element 25 Limited
- Method using solvent extraction for selective recovery of valuable metal from lithium secondary battery waste material5 Jun 2025US 2025/0183398 A1Industry Foundation of Chonnam National University
- A process for recovering cobalt ion, nickel ion and manganese ion from metal-containing residues28 Sep 2023US 2023/0304126 A1Fundacion Tecnalia Research & Innovation
- Regeneration, pretreatment and precipitation of oxides of manganese29 Jan 2004US 2004/0018936 A1EnviroScrub Technologies Corporation
- Pretreatment and regeneration of oxides of manganese27 Nov 2003US 2003/0219368 A1EnviroScrub Technologies Corporation
Most cited
By later US patents
- Pretreatment and regeneration of oxides of manganese8US 7,041,270 B2EnviroScrub Technologies Corporation · 2006
- Cobalt ion exchange process4US 4,042,665 AFalconbridge Nickel Mines Limited · 1977
- Regeneration, pretreatment and precipitation of oxides of manganese2US 7,232,782 B2EnviroScrub Technologies Corporation · 2007
- Separation of manganese from brine2US 9,534,276 B1Geothermal Energy Project, LLC · 2017
- Treating deep sea nodules by segregation roasting1US 4,402,735 ACombustion Engineering, Inc. · 1983