C01G 49/0009
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}
C01G49/0009 (Preparation involving a liquid-liquid extraction, an adsorption or an ion-exchange) appears on 75 US grants and 33 published applications in this corpus.
Search patents in C01G- Granted patents
- 75
- Published applications
- 33
- Assignees
- 64
- Inventors
- 158
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 5 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 4 | 0 |
| 1983 | 3 | 0 |
| 1984 | 3 | 0 |
| 1985 | 3 | 0 |
| 1986 | 4 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 5 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 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 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 2 | 1 |
| 2010 | 0 | 2 |
| 2011 | 2 | 0 |
| 2012 | 2 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 2 |
| 2015 | 1 | 0 |
| 2016 | 1 | 3 |
| 2017 | 1 | 3 |
| 2018 | 4 | 3 |
| 2019 | 2 | 2 |
| 2020 | 2 | 3 |
| 2021 | 2 | 4 |
| 2022 | 3 | 2 |
| 2023 | 2 | 4 |
| 2024 | 1 | 1 |
| 2025 | 1 | 1 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for separating iron element in brine and application thereof26 May 2026US 12,637,360 B2BYD Company Limited
- Method for manufacturing iron-chromium oxide using ion exchange resin24 Feb 2026US 12,559,384 B2Korea University Research and Business Foundation
- Systems and methods for separating yttrium and strontium29 Jul 2025US 12,371,338 B2Battelle Memorial Institute
- Method for preparing an aqueous dispersion of metal oxide particles13 Feb 2024US 11,897,785 B2Royal Melbourne Institute of Technology
- Scalable process for manufacturing iron cobalt nanoparticles with high magnetic moment31 Oct 2023US 11,804,318 B2Aegis Technology Inc.
- Process for producing iron oxyhydroxide11 Sep 2025US 2025/0282636 A1LANXESS Deutschland GmbH
- Chemical Processing Of Sewage Sludge Ash11 Apr 2024US 2024/0117462 A1Easymining Sweden AB
- Method for isolating an aqueous hydrochloric acid solution of fecl3 from an aqueous multi-component system7 Dec 2023US 2023/0391634 A1
- Processing of titaniferous ores and minerals5 Oct 2023US 2023/0312364 A1Fnc Technologies Inc.
- Method for separating iron element in brine and application thereof6 Jul 2023US 2023/0212027 A1BYD Company Limited
Most cited
By later US patents
- Method for separating metal constituents from ocean floor nodules46US 4,042,664 ADeepsea Ventures, Inc. · 1977
- Removal of complexed heavy metals from waste effluents41US 4,332,687 APCA International, Inc. · 1982
- Retarding oxidants for preparing conductive polymers41US 7,972,534 B2H. C. Starck GmbH · 2011
- 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