Background Rn-rejected actinide in air spectroscopy
US-12398445-B2 · Aug 26, 2025 · US
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Obtaining metals of atomic number 87 or higher, i.e. radioactive metals
Obtaining metals of atomic number 87 or higher, i.e. radioactive metals · 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 | C22B60/00 |
| Official title | Obtaining metals of atomic number 87 or higher, i.e. radioactive metals |
| Display label | Obtaining metals of atomic number 87 or higher, i.e. radioactive metals |
| Total patents | 9 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2016 | 1 |
| 2017 | 1 |
| 2019 | 2 |
| 2020 | 2 |
| 2023 | 1 |
| 2024 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Recovering multiple elements from aqueous streams
US-2024401170-A1 · Dec 5, 2024 · US
Background rn-rejected actinide in air spectroscopy
US-2023227943-A1 · Jul 20, 2023 · US
Process for the separation and purification of medical isotopes
US-10704123-B2 · Jul 7, 2020 · US
Heavy metal separations using strongly paramagnetic column packings in a nonhomogeneous magnetic field
US-10632400-B2 · Apr 28, 2020 · US
Process for the separation and purification of medical isotopes
US-2019338394-A1 · Nov 7, 2019 · US
Heavy metal separations using strongly paramagnetic column packings in a nonhomogeneous magnetic field
US-2019176056-A1 · Jun 13, 2019 · US
Purification of coal and fly ash by ionic liquids
US-9637832-B2 · May 2, 2017 · US
Purification of coal and fly ash by ionic liquids
US-2016222532-A1 · Aug 4, 2016 · US