Systems and methods for automated separation and recovery of astatine
US-2025042736-A1 · Feb 6, 2025 · US
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Halogens; Halogen acids (oxyacids C01B11/00)
Halogens; Halogen acids (oxyacids C01B11/00) · 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 | C01B7/00 |
| Official title | Halogens; Halogen acids (oxyacids C01B11/00) |
| Display label | Halogens; Halogen acids (oxyacids C01B11/00) |
| Total patents | 14 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 1 |
| 2017 | 1 |
| 2018 | 1 |
| 2019 | 4 |
| 2020 | 1 |
| 2021 | 1 |
| 2023 | 3 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Simple astatine concentration method
US-2023373881-A1 · Nov 23, 2023 · US
Method for producing astatine
US-11795056-B2 · Oct 24, 2023 · US
Astatine purification method
US-2023182038-A1 · Jun 15, 2023 · US
Production of carbon-based oxide and reduced carbon-based oxide on a large scale
US-11097951-B2 · Aug 24, 2021 · US
Method for producing astatine
US-2020290872-A1 · Sep 17, 2020 · US
Method and installation for concentrating aqueous hydrogen halide solutions
US-10494258-B2 · Dec 3, 2019 · US
Type of burning device for producing gas mixtures
US-10413879-B2 · Sep 17, 2019 · US
Halogen doped phosphorus nanoparticles and manufacturing method thereof
US-10384942-B2 · Aug 20, 2019 · US
Halogen doped phosphorus nanoparticles and manufacturing method thereof
US-2019062161-A1 · Feb 28, 2019 · US
New type of burning device for producing gas mixtures
US-2018280919-A1 · Oct 4, 2018 · US
Production of carbon-based oxide and reduced carbon-based oxide on a large scale
US-2017369323-A1 · Dec 28, 2017 · US
Graphene oxide reducing agent and method for preparing reduced graphene oxide using the same
US-9284194-B2 · Mar 15, 2016 · US
Method and installation for concentrating aqueous hydrogen halide solutions
US-2015225234-A1 · Aug 13, 2015 · US