Process for reducing the concentration of arsenic in an aqueous solution comprising a fluoroacid
US-11639302-B2 · May 2, 2023 · US
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Arsenates; Arsenites {(C01G28/001 takes precedence)}
Arsenates; Arsenites {(C01G28/001 takes precedence)} · 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 | C01G28/02 |
| Official title | Arsenates; Arsenites {(C01G28/001 takes precedence)} |
| Display label | Arsenates; Arsenites {(C01G28/001 takes precedence)} |
| Total patents | 7 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2017 | 2 |
| 2019 | 2 |
| 2020 | 1 |
| 2022 | 1 |
| 2023 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Core shell particle, method of producing core shell particle, and film
US-11459243-B2 · Oct 4, 2022 · US
Core shell particle, method of producing core shell particle, and film
US-2020140284-A1 · May 7, 2020 · US
Process for Reducing the Concentration of Arsenic in an Aqueous Solution Comprising a Fluoroacid
US-2019270656-A1 · Sep 5, 2019 · US
Methods of making metal-oxides and uses thereof for water treatment and energy applications
US-10322948-B2 · Jun 18, 2019 · US
Methods of making metal-oxides and uses thereof for water treatment and energy applications
US-2017327389-A1 · Nov 16, 2017 · US
Methods of making metal-oxides and uses thereof for water treatment and energy applications
US-9670069-B2 · Jun 6, 2017 · US