Sorbent for removing radon, production method for same, and radon removal method using same
US-12551862-B2 · Feb 17, 2026 · US
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Nature of the contaminant
Nature of the contaminant · 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 | C02F2101/00 |
| Official title | Nature of the contaminant |
| Display label | Nature of the contaminant |
| Total patents | 9 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 1 |
| 2018 | 1 |
| 2023 | 4 |
| 2024 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Hydrogen isotope adsorbent with differential binding properties to hydrogen isotopes, manufacturing method thereof and method for separating hydrogen
US-11958761-B2 · Apr 16, 2024 · US
Sorbent for removing radon, production method for same, and radon removal method using same
US-2023405549-A1 · Dec 21, 2023 · US
Hydrogen isotope adsorbent with differential binding properties to hydrogen isotopes, manufacturing method thereof and method for separating hydrogen
US-2023202876-A1 · Jun 29, 2023 · US
Hydrogen isotope adsorbent with differential binding properties to hydrogen isotopes, manufacturing method thereof and method for separating hydrogen isotopes using the same
US-11685671-B2 · Jun 27, 2023 · US
Hydrogen isotope adsorbent with differential binding properties to hydrogen isotopes, manufacturing method thereof and method for separating hydrogen isotopes using the same
US-2023045283-A1 · Feb 9, 2023 · US
Virus filter
US-10005044-B2 · Jun 26, 2018 · US
Polyacrylonitrile/chitosan composite nanofiltration membrane containing graphene oxide and preparation method thereof
US-2016303524-A1 · Oct 20, 2016 · US
Virus filter
US-2015367291-A1 · Dec 24, 2015 · US