C22B 60/026
Liquid-liquid extraction with or without dissolution in organic solvents
Official title: {liquid-liquid extraction with or without dissolution in organic solvents}
C22B60/026 (Liquid-liquid extraction with or without dissolution in organic solvents) appears on 185 US grants and 39 published applications in this corpus.
Search patents in C22B- Granted patents
- 185
- Published applications
- 39
- Assignees
- 109
- Inventors
- 411
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 3 | 0 |
| 1980 | 11 | 0 |
| 1981 | 19 | 0 |
| 1982 | 13 | 0 |
| 1983 | 15 | 0 |
| 1984 | 23 | 0 |
| 1985 | 5 | 0 |
| 1986 | 8 | 0 |
| 1987 | 8 | 0 |
| 1988 | 7 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 4 | 0 |
| 1993 | 5 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 4 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 2 |
| 2004 | 0 | 2 |
| 2005 | 1 | 0 |
| 2006 | 1 | 1 |
| 2007 | 2 | 1 |
| 2008 | 0 | 1 |
| 2009 | 2 | 2 |
| 2010 | 2 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 3 |
| 2013 | 0 | 3 |
| 2014 | 3 | 2 |
| 2015 | 4 | 6 |
| 2016 | 1 | 0 |
| 2017 | 3 | 1 |
| 2018 | 1 | 4 |
| 2019 | 6 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 3 |
| 2022 | 2 | 1 |
| 2023 | 1 | 1 |
| 2024 | 0 | 3 |
| 2025 | 1 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Recovery method of Ra-226, production method of Ra-226 solution, and Ac-225 solution production method of Ac-225 solution5 May 2026US 12,618,122 B2National Institutes for Quantum Science and Technology
- Background Rn-rejected actinide in air spectroscopy26 Aug 2025US 12,398,445 B2Purdue Research Foundation
- Dissymmetric N,N-dialkylamides used particularly for separating uranium(VI) from plutonium(IV), synthesis thereof and uses of same14 Feb 2023US 11,578,031 B2Commissariat A L' Energie Atomique Et Aux Energies Alternatives
- Method for recovering uranium from components contaminated with uranium oxide1 Nov 2022US 11,486,023 B2Framatome
- Carbamides for separating uranium(VI) and plutonium(IV) without reducing the plutonium(IV)25 Oct 2022US 11,479,833 B2Commissariat A L'energie Atomique Et Aux Energies
- Process for liquid-liquid extraction of rare earths or actinides via synergistic combination of a co-solvent hydrotrope with anionic or chelating extractants11 Jun 2026US 2026/0159407 A1Centre National De La Recherche Scientifique
- Cyclic amine monoamides for extracting uranium(vi) and plutonium(iv) and for separating them without reducing plutonium(iv)12 Dec 2024US 2024/0410034 A1
- Recovery method of ra-226, production method of ra-226 solution, and production method of ac-225 solution14 Mar 2024US 2024/0084419 A1National Institutes for Quantum Science and Technology
- Method for stripping uranium(vi) and an actinide(iv) from an organic solution by oxalic precipitation7 Mar 2024US 2024/0079157 A1
- Background rn-rejected actinide in air spectroscopy20 Jul 2023US 2023/0227943 A1Purdue Research Foundation
Most cited
By later US patents
- Membrane hydro-metallurgical extraction process60US 3,957,504 AAllied Chemical Corporation · 1976
- Extracting metals directly from metal oxides35US 5,606,724 AIdaho Research Foundation, Inc. · 1997
- Process for recovery of uranium from wet process phosphoric acid28US 4,105,741 AFreeport Minerals Corporation · 1978
- Recovery of metal values25US 7,282,187 B1Caboi Corporation · 2007
- Method for the recovery of actinide elements from nuclear reactor waste22US 4,162,230 AThe United States of America as represented by the United States Department of Energy · 1979