Method for selective separation of thorium and cerium from a solid concentrate comprising same and one or more further rare earth metals and acidic rare earth solution thereof
US-12559822-B2 · Feb 24, 2026 · US
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obtaining thorium
obtaining thorium · 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 | C22B60/0291 |
| Official title | {obtaining thorium} |
| Display label | obtaining thorium |
| Total patents | 24 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2016 | 4 |
| 2017 | 2 |
| 2018 | 1 |
| 2019 | 2 |
| 2020 | 1 |
| 2021 | 3 |
| 2022 | 1 |
| 2023 | 3 |
| 2024 | 4 |
| 2025 | 1 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Environmentally friendly polymeric sorbent material for the extraction and determination of rare earth elements, thorium, and uranium
US-12539503-B2 · Feb 3, 2026 · US
Method and system for the concentration of radium and actinium from dilute solutions
US-2025191800-A1 · Jun 12, 2025 · US
Method embodiments for extracting elements from coal combustion products
US-12084743-B1 · Sep 10, 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
Environmentally Friendly Polymeric Sorbent Material for the Extraction and Determination of Rare Earth Elements, Thorium, and Uranium
US-2024050924-A1 · Feb 15, 2024 · US
Purification of quartz powders by removal of microparticles of refractory materials
US-11878937-B2 · Jan 23, 2024 · US
Systems, apparatus and methods for separating actinium, radium, and thorium
US-2023402200-A1 · Dec 14, 2023 · US
Systems, apparatus and methods for separating actinium, radium, and thorium
US-11798700-B2 · Oct 24, 2023 · US
Method for selective separation of thorium and cerium from a solid concentrate comprising same and one or more further rare earth metals and acidic rare earth solution thereof
US-2023089345-A1 · Mar 23, 2023 · US
Thorium peroxide-based generators for ac-225 generation
US-2022363557-A1 · Nov 17, 2022 · US
Methods and systems for separation of thorium from uranium and their decay products
US-2021354993-A1 · Nov 18, 2021 · US
Method for separating uranium and/or thorium
US-2021130929-A1 · May 6, 2021 · US
Purification of quartz powders by removal of microparticles of refractory materials
US-2021009461-A1 · Jan 14, 2021 · US
Method for removing radioactive element thorium in rare earth mineral
US-10711324-B2 · Jul 14, 2020 · US
Method of recovering nuclear fuel material
US-10323330-B2 · Jun 18, 2019 · US
Method for removing radioactive element thorium in rare earth mineral
US-2019144968-A1 · May 16, 2019 · US
Method of recovering nuclear fuel material
US-2018051381-A1 · Feb 22, 2018 · US
Method of recovering nuclear fuel material
US-9845542-B2 · Dec 19, 2017 · US
Purification of coal and fly ash by ionic liquids
US-9637832-B2 · May 2, 2017 · US