C01G 45/01
Preparation or separation involving a liquid-liquid extraction, an adsorption or an ion-exchange
C01G45/01 (Preparation or separation involving a liquid-liquid extraction, an adsorption or an ion-exchange) appears on 24 US grants and 25 published applications in this corpus.
Search patents in C01G- Granted patents
- 24
- Published applications
- 25
- Assignees
- 26
- Inventors
- 86
- Latest grant
- 27 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 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 | 1 | 1 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 1 | 0 |
| 2017 | 0 | 2 |
| 2018 | 2 | 0 |
| 2019 | 0 | 2 |
| 2020 | 2 | 0 |
| 2021 | 2 | 3 |
| 2022 | 1 | 3 |
| 2023 | 1 | 3 |
| 2024 | 1 | 3 |
| 2025 | 1 | 3 |
| 2026 | 1 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for producing mixed metal solution and method for producing mixed metal salt27 Jan 2026US 12,534,776 B2Jx Metals Circular Solutions 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 for producing manganese(II) sulfate monohydrate from by-product of zinc refining process17 Sep 2024US 12,091,326 B2Korea Zinc Co., Ltd.
- Battery-level Ni—Co—Mn mixed solution and preparation method for battery-level Mn solution4 Jul 2023US 11,695,170 B2Gem Co., Ltd.
- Method of inhibiting extractant degradation by controlling extractive capacity and preventing direct degradation15 Mar 2022US 11,274,047 B2Korea Resources Corporation
- Method for producing lithium-containing solution13 Aug 2026US 2026/0234748 A1Sumitomo Metal Mining Co., Ltd.
- Method for producing manganese sulfate solution using sulfur dioxide gas reduction leaching method16 Jul 2026US 2026/0200754 A1Kemco
- Method for producing lithium-containing solution25 Jun 2026US 2026/0175197 A1Sumitomo Metal Mining Co., Ltd.
- Method for producing lithium-containing solution9 Apr 2026US 2026/0098321 A1Sumitomo Metal Mining Co., Ltd.
- Method for producing ultra high pure manganese sulfate monohydrate19 Feb 2026US 2026/0049001 A1Biophore India Pharmaceuticals PVT. Ltd.
Most cited
By later US patents
- Metal extraction from solution and immobilized chelating agents used therefor38US 4,448,694 ADow Corning Corporation · 1984
- Process for purifying molybdenum trioxide16US 4,525,331 AGTE Products Corporation · 1985
- Process for recovering metals from solution through solvent extraction and pyrometallurgical reduction13US 4,561,887 ASociedad Minera Pudahuel Ltda., C.P.A. · 1985
- Selective solvent extraction using organophosphorus and carboxylic acids and a non-chelating aldehyde oxime8US 4,528,167 ACouncil for Mineral Technology · 1985
- O-nitrosophenols as extractants for metal values7US 3,954,936 AE. I. Du Pont de Nemours and Company · 1976