C01G 53/01
Preparation or separation involving a liquid-liquid extraction, an adsorption or an ion-exchange
C01G53/01 (Preparation or separation involving a liquid-liquid extraction, an adsorption or an ion-exchange) appears on 110 US grants and 52 published applications in this corpus.
Search patents in C01G- Granted patents
- 110
- Published applications
- 52
- Assignees
- 77
- Inventors
- 217
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 8 | 0 |
| 1978 | 5 | 0 |
| 1979 | 4 | 0 |
| 1980 | 12 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 6 | 0 |
| 1985 | 9 | 0 |
| 1986 | 4 | 0 |
| 1987 | 2 | 0 |
| 1988 | 4 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 4 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 1 | 2 |
| 2009 | 1 | 2 |
| 2010 | 1 | 2 |
| 2011 | 2 | 1 |
| 2012 | 2 | 0 |
| 2013 | 1 | 2 |
| 2014 | 1 | 1 |
| 2015 | 1 | 1 |
| 2016 | 0 | 0 |
| 2017 | 1 | 4 |
| 2018 | 2 | 0 |
| 2019 | 1 | 4 |
| 2020 | 5 | 1 |
| 2021 | 0 | 4 |
| 2022 | 2 | 4 |
| 2023 | 2 | 4 |
| 2024 | 4 | 8 |
| 2025 | 4 | 7 |
| 2026 | 3 | 3 |
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
- Process for preparing a high-purity nickel sulphate solution10 Mar 2026US 12,570,542 B2Umicore AG & Co. KG
- Method for producing mixed metal solution and method for producing mixed metal salt27 Jan 2026US 12,534,776 B2Jx Metals Circular Solutions Co., Ltd.
- Process for preparing a high-purity nickel sulphate solution30 Dec 2025US 12,509,361 B2Umicore AG & Co. KG
- Process for leaching metal sulfides with reagents having thiocarbonyl functional groups16 Sep 2025US 12,416,066 B2Jetti Resources, LLC
- Recovery of lithium from black mass24 Sep 2026US 2026/0285700 A1Metso Finland Oy
- Process for leaching metal sulfides with reagents having thiocarbonyl functional groups16 Apr 2026US 2026/0103775 A1Jetti Resources, LLC
- Method for producing nickel sulfate26 Feb 2026US 2026/0055007 A1SK Innovation Co., Ltd.
- Electrode active material, battery, and production method for electrode active material4 Dec 2025US 2025/0372638 A1Toyota Jidosha Kabushiki Kaisha
- Electrode active material27 Nov 2025US 2025/0364551 A1Toyota Jidosha Kabushiki Kaisha
Most cited
By later US patents
- Lithium metal oxide materials and methods of synthesis and use54US 7,381,496 B2Tiax LLC · 2008
- Method for separating metal constituents from ocean floor nodules46US 4,042,664 ADeepsea Ventures, Inc. · 1977
- Metal extraction from solution and immobilized chelating agents used therefor38US 4,448,694 ADow Corning Corporation · 1984
- Removal of metals from solutions37US 4,747,954 AThe Dow Chemical Company · 1988
- Ion adsorbent for metals having a coordination number greater than two34US 4,423,158 AGelinnovation Handelsaktiebolag · 1983