C01G 51/01
Preparation or separation involving a liquid-liquid extraction, an adsorption or an ion-exchange
C01G51/01 (Preparation or separation involving a liquid-liquid extraction, an adsorption or an ion-exchange) appears on 95 US grants and 33 published applications in this corpus.
Search patents in C01G- Granted patents
- 95
- Published applications
- 33
- Assignees
- 59
- Inventors
- 166
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 5 | 0 |
| 1978 | 3 | 0 |
| 1979 | 4 | 0 |
| 1980 | 7 | 0 |
| 1981 | 3 | 0 |
| 1982 | 3 | 0 |
| 1983 | 6 | 0 |
| 1984 | 8 | 0 |
| 1985 | 7 | 0 |
| 1986 | 10 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 4 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 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 | 1 |
| 2008 | 0 | 0 |
| 2009 | 1 | 2 |
| 2010 | 0 | 2 |
| 2011 | 1 | 3 |
| 2012 | 1 | 0 |
| 2013 | 1 | 1 |
| 2014 | 1 | 2 |
| 2015 | 1 | 3 |
| 2016 | 1 | 0 |
| 2017 | 1 | 1 |
| 2018 | 1 | 0 |
| 2019 | 1 | 2 |
| 2020 | 2 | 1 |
| 2021 | 3 | 5 |
| 2022 | 2 | 4 |
| 2023 | 2 | 2 |
| 2024 | 1 | 2 |
| 2025 | 2 | 2 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for regenerated raw materials from waste cadmium nickel battery based on solvent extraction28 Jul 2026US 12,695,128 B2Sichuan Changhong Battery Co., Ltd
- Method for producing mixed metal solution and method for producing mixed metal salt27 Jan 2026US 12,534,776 B2Jx Metals Circular Solutions Co., Ltd.
- Method for manufacturing nickel and cobalt-containing solution from hydroxide containing nickel and cobalt6 May 2025US 12,291,762 B2Sumitomo Metal Mining Co., Ltd.
- Processing method of positive electrode active substance waste of lithium ion secondary battery4 Mar 2025US 12,243,993 B2Jx Metals Circular Solutions Co., Ltd.
- Method and device of removing and recycling metals from mixing acid solution7 May 2024US 11,976,374 B2Mega Union Technology Inc.
- Method for recovering lithium from waste lithium ion batteries3 Jul 2025US 2025/0219177 A1Asaka Riken Co., Ltd.
- Process of materials recovery from energy storage devices22 May 2025US 2025/0167327 A1Minimines Cleantech Solutions Private Limited
- Method for Regenerated Raw Materials from Waste Cadmium Nickel Battery Based on Solvent Extraction15 Aug 2024US 2024/0274906 A1Sichuan Changhong Battery Co., Ltd
- Extraction of metals from lithium-ion battery material15 Aug 2024US 2024/0274912 A1Metso Finland Oy
- Method for producing mixed metal solution and method for producing mixed metal salt22 Jun 2023US 2023/0193422 A1JX Nippon Mining & Metals Corporation
Most cited
By later US patents
- Removal of complexed heavy metals from waste effluents41US 4,332,687 APCA International, Inc. · 1982
- Metal extraction from solution and immobilized chelating agents used therefor38US 4,448,694 ADow Corning Corporation · 1984
- Separation of nickel and cobalt from sulfate solutions by solvent extraction32US 4,900,522 AAmax Inc. · 1990
- 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