Titanium oxide powder and method for producing same
US-12404183-B2 · Sep 2, 2025 · US
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Purification
Purification · 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 | C01G23/0475 |
| Official title | {Purification} |
| Display label | Purification |
| Total patents | 14 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2016 | 3 |
| 2017 | 1 |
| 2018 | 1 |
| 2019 | 2 |
| 2020 | 1 |
| 2021 | 2 |
| 2023 | 1 |
| 2024 | 1 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Titanium oxide powder and method for producing same
US-2025214858-A1 · Jul 3, 2025 · US
Hydroximic acid-metal hydroxide coordination complex and preparation and application thereof
US-12180236-B2 · Dec 31, 2024 · US
Preparation method for metal oxide nanoparticle film and electrical component
US-11851343-B2 · Dec 26, 2023 · US
Hydroximic acid-metal hydroxide coordination complex and preparation and application thereof
US-2021253620-A1 · Aug 19, 2021 · US
Method for preparing transparent free-standing titanium dioxide nanotube array film
US-10882754-B2 · Jan 5, 2021 · US
Preparation method for metal oxide nanoparticle film and electrical component
US-2020308017-A1 · Oct 1, 2020 · US
Method for preparing transparent free-standing titanium dioxide nanotube array film
US-2019241441-A1 · Aug 8, 2019 · US
Electrostatic modification reagent and process for enhancing electrostatic separation in the beneficiation of ores
US-10245596-B2 · Apr 2, 2019 · US
Phosphorus adsorbent, porous fiber and phosphorous adsorption column (as amended)
US-2018326141-A1 · Nov 15, 2018 · US
High-grade method of ilmenite ore, manufacturing method of high-grade tio2 using the said method and high-grade tio2 produced by the said manufacturing method, for ti-raw materials
US-2017253948-A1 · Sep 7, 2017 · US
Electrostatic modification reagent and process for enhancing electrostatic separation in the beneficiation of ores
US-2016310963-A1 · Oct 27, 2016 · US
Process for enhancing electrostatic separation in the beneficiation of ores
US-9403173-B2 · Aug 2, 2016 · US
Process for the purification of iron salt solutions
US-9242877-B2 · Jan 26, 2016 · US