Nuclear reactor assemblies, nuclear reactor target assemblies, and nuclear reactor methods
US-12531168-B2 · Jan 20, 2026 · US
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Obtaining plutonium
Obtaining plutonium · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C22B60/04 |
| Official title | Obtaining plutonium |
| Display label | Obtaining plutonium |
| Total patents | 21 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 1 |
| 2018 | 2 |
| 2019 | 3 |
| 2020 | 3 |
| 2021 | 2 |
| 2022 | 2 |
| 2023 | 3 |
| 2024 | 2 |
| 2025 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Background Rn-rejected actinide in air spectroscopy
US-12398445-B2 · Aug 26, 2025 · US
Cyclic amine monoamides for extracting uranium(vi) and plutonium(iv) and for separating them without reducing plutonium(iv)
US-2024410034-A1 · Dec 12, 2024 · US
Method for stripping uranium(vi) and an actinide(iv) from an organic solution by oxalic precipitation
US-2024079157-A1 · Mar 7, 2024 · US
Nuclear reactor irradiation systems and methods
US-11842823-B2 · Dec 12, 2023 · US
Background rn-rejected actinide in air spectroscopy
US-2023227943-A1 · Jul 20, 2023 · US
Dissymmetric N,N-dialkylamides used particularly for separating uranium(VI) from plutonium(IV), synthesis thereof and uses of same
US-11578031-B2 · Feb 14, 2023 · US
Carbamides for separating uranium(VI) and plutonium(IV) without reducing the plutonium(IV)
US-11479833-B2 · Oct 25, 2022 · US
Nuclear Reactor Assemblies, Nuclear Reactor Target Assemblies, and Nuclear Reactor Methods
US-2022277865-A1 · Sep 1, 2022 · US
Carbamides for separating uranium(vi) and plutonium(iv) without reducing the plutonium(iv)
US-2021363609-A1 · Nov 25, 2021 · US
Dissymmetric n,n-dialkylamides used particularly for separating uranium(vi) from plutonium(iv), synthesis thereof and uses of same
US-2021332002-A1 · Oct 28, 2021 · US
Nuclear Reactor Assemblies, Nuclear Reactor Target Assemblies, and Nuclear Reactor Methods
US-2020312475-A1 · Oct 1, 2020 · US
Nuclear reactor assemblies, nuclear reactor target assemblies, and nuclear reactor methods
US-10685757-B2 · Jun 16, 2020 · US
Heavy metal separations using strongly paramagnetic column packings in a nonhomogeneous magnetic field
US-10632400-B2 · Apr 28, 2020 · US
Heavy metal separations using strongly paramagnetic column packings in a nonhomogeneous magnetic field
US-2019176056-A1 · Jun 13, 2019 · US
Dissymmetric N,N-dialkylamides, the synthesis thereof and uses of same
US-10252983-B2 · Apr 9, 2019 · US
Method for processing spent nuclear fuel comprising a step for decontaminating uranium (VI) from at least one actinide (IV) by complexing this actinide (IV)
US-10210958-B2 · Feb 19, 2019 · US
Nuclear Reactor Assemblies, Nuclear Reactor Target Assemblies, and Nuclear Reactor Methods
US-2018286528-A1 · Oct 4, 2018 · US
Novel dissymmetric n,n-dialkylamides, the synthesis thereof and uses of same
US-2018222849-A1 · Aug 9, 2018 · US
Method for processing spent nuclear fuel comprising a step for decontaminating uranium (vi) from at least one actinide (iv) by complexing this actinide (iv)
US-2016314861-A1 · Oct 27, 2016 · US