C22B 60/04
Obtaining plutonium
C22B60/04 (Obtaining plutonium) appears on 64 US grants and 24 published applications in this corpus.
Search patents in C22B- Granted patents
- 64
- Published applications
- 24
- Assignees
- 38
- Inventors
- 156
- Latest grant
- 20 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 4 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 5 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 5 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 2 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 2 | 0 |
| 2011 | 0 | 2 |
| 2012 | 0 | 1 |
| 2013 | 0 | 1 |
| 2014 | 1 | 2 |
| 2015 | 3 | 0 |
| 2016 | 0 | 3 |
| 2017 | 0 | 0 |
| 2018 | 0 | 2 |
| 2019 | 2 | 1 |
| 2020 | 2 | 2 |
| 2021 | 0 | 2 |
| 2022 | 1 | 1 |
| 2023 | 3 | 2 |
| 2024 | 0 | 2 |
| 2025 | 1 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Nuclear reactor assemblies, nuclear reactor target assemblies, and nuclear reactor methods20 Jan 2026US 12,531,168 B2Battelle Memorial Institute
- Background Rn-rejected actinide in air spectroscopy26 Aug 2025US 12,398,445 B2Purdue Research Foundation
- Nuclear reactor irradiation systems and methods12 Dec 2023US 11,842,823 B2Battelle Memorial Institute
- Method for recycling plutonium from spent radioactive fuel5 Dec 2023US 11,834,730 B2
- 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
- Nuclear Reactor Assemblies, Nuclear Reactor Target Assemblies, and Nuclear Reactor Methods14 May 2026US 2026/0135010 A1Battelle Memorial Institute
- Cyclic amine monoamides for extracting uranium(vi) and plutonium(iv) and for separating them without reducing plutonium(iv)12 Dec 2024US 2024/0410034 A1
- Method for stripping uranium(vi) and an actinide(iv) from an organic solution by oxalic precipitation7 Mar 2024US 2024/0079157 A1
- Method for treating retained plutonium in waste organic phase of plutonium uranium reduction extraction (purex) process5 Oct 2023US 2023/0313339 A1China Institute of Atomic Energy
- Background rn-rejected actinide in air spectroscopy20 Jul 2023US 2023/0227943 A1Purdue Research Foundation
Most cited
By later US patents
- Process for producing ultra-pure plutonium-23836US 6,896,716 B1Haselwood Enterprises, Inc. · 2005
- Process for the recovery of plutonium contained in solid waste34US 4,749,519 ACommissariat A L' Energie Atomique · 1988
- Process to separate transuranic elements from nuclear waste26US 4,814,046 AThe United States of America as represented by the United States Department of Energy · 1989
- Method of preparing metal carbides, nitrides, and the like23US 4,895,709 ASRI International · 1990
- Electroseparation of actinide and rare earth metals19US 5,582,706 ARockwell International Corporation · 1996