Method for separating indium oxide and tin oxide from indium tin oxide waste target by vacuum method
US-2026062767-A1 · Mar 5, 2026 · US
Obtaining gallium or indium {(treatment or purification of solutions by liquid-liquid extraction, by ion-exchange or by adsorption C22B3/20)} · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C22B58/00 |
| Official title | Obtaining gallium or indium {(treatment or purification of solutions by liquid-liquid extraction, by ion-exchange or by adsorption C22B3/20)} |
| Display label | Obtaining gallium or indium {(treatment or purification of solutions by liquid-liquid extraction, by ion-exchange or by adsorption C22B3/20)} |
| Total patents | 39 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 6 |
| 2017 | 7 |
| 2019 | 2 |
| 2020 | 6 |
| 2021 | 2 |
| 2022 | 2 |
| 2023 | 1 |
| 2024 | 7 |
| 2025 | 2 |
| 2026 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2026062767-A1 · Mar 5, 2026 · US
US-12319981-B2 · Jun 3, 2025 · US
US-2025075289-A1 · Mar 6, 2025 · US
US-12180585-B2 · Dec 31, 2024 · US
US-2024425948-A1 · Dec 26, 2024 · US
US-2024401169-A1 · Dec 5, 2024 · US
US-2024392413-A1 · Nov 28, 2024 · US
US-2024368727-A1 · Nov 7, 2024 · US
US-12000020-B2 · Jun 4, 2024 · US
US-2024102159-A1 · Mar 28, 2024 · US
US-2023085708-A1 · Mar 23, 2023 · US
US-11401617-B2 · Aug 2, 2022 · US
US-2022118379-A1 · Apr 21, 2022 · US
US-11145514-B2 · Oct 12, 2021 · US
US-2021268132-A1 · Sep 2, 2021 · US
US-2020385843-A1 · Dec 10, 2020 · US
US-2020385880-A1 · Dec 10, 2020 · US
US-10777331-B2 · Sep 15, 2020 · US
US-10724120-B2 · Jul 28, 2020 · US
US-10689729-B2 · Jun 23, 2020 · US
Answers are generated from the same data shown on this page.