C01G 31/003
Preparation involving a liquid-liquid extraction, an adsorption or an ion-exchange
Official title: {Preparation involving a liquid-liquid extraction, an adsorption or an ion-exchange}
C01G31/003 (Preparation involving a liquid-liquid extraction, an adsorption or an ion-exchange) appears on 49 US grants and 14 published applications in this corpus.
Search patents in C01G- Granted patents
- 49
- Published applications
- 14
- Assignees
- 41
- Inventors
- 101
- Latest grant
- 7 Nov 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 7 | 0 |
| 1985 | 8 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 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 | 1 | 1 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 1 |
| 2014 | 1 | 1 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 2 | 1 |
| 2019 | 0 | 0 |
| 2020 | 0 | 2 |
| 2021 | 1 | 2 |
| 2022 | 0 | 0 |
| 2023 | 2 | 2 |
| 2024 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Selective recovery method of vanadium and cesium from waste sulfuric acid vanadium catalyst, and high-quality vanadium aqueous solution and cesium alum produced thereby7 Nov 2023US 11,807,544 B2Korea Institute of Geoscience and Mineral Resources
- Vanadium extraction from disparate shale ores11 Jul 2023US 11,697,600 B2First Vanadium Corp.
- Metallurgical and chemical processes for recovering vanadium and iron values from vanadiferous titanomagnetite and vanadiferous feedstocks16 Mar 2021US 10,947,630 B2Vanadiumcorp Resources Inc.
- System and method for preparing high-purity vanadium pentoxide powder21 Aug 2018US 10,053,371 B2Beijing Zhongkaihongde Technology Co., Ltd
- Sulfonated aminomethylated chelate resins24 Apr 2018US 9,950,320 B2LANXESS Deutschland GmbH
- Method for preparing high purity vanadium pentoxide from vanadium-bearing shale by all-wet process11 Apr 2024US 2024/0116773 A1Wuhan University of Science and Technology
- Processing of titaniferous ores and minerals5 Oct 2023US 2023/0312364 A1Fnc Technologies Inc.
- Selective recovery method of vanadium and cesium from waste sulfuric acid vanadium catalyst, and high-quality vanadium aqueous solution and cesium alum produced thereby4 May 2023US 2023/0138828 A1Korea Institute of Geoscience and Mineral Resources
- Metallurgical And Chemical Processes For Recovering Vanadium And Iron Values From Vanadiferous Titanomagnetite And Vanadiferous Feedstocks29 Jul 2021US 2021/0230759 A1Vanadiumcorp Resources Inc.
- Vanadium extraction from disparate shale ores22 Jul 2021US 2021/0221701 A1First Vanadium Corp.
Most cited
By later US patents
- Removal of heavy metals from waste water61US 4,731,187 AMiyoshi Yushi Kabushiki Kaisha · 1988
- Magnetically supported particle matrix for accumulating or affecting substances dissolved or finely dispersed in a liquid or gas30US 4,201,827 AKernforschungsanlage Julich Gesellschaft mit beschrankter Haftung · 1980
- Recovery of metal values from spent catalysts30US 4,721,606 AUnion Oil Company of California · 1988
- Leaching cobalt from spent hydroprocessing catalysts with sulfur dioxide23US 4,432,953 AChevron Research Company · 1984
- Recovering metals from spent hydroprocessing catalysts23US 4,500,495 AChevron Research Company · 1985