Metal oxide powder, and method for producing same
US-2024182318-A1 · Jun 6, 2024 · 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 | C01B13/16 |
| Official title | Purification |
| Display label | Purification |
| Total patents | 15 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2016 | 1 |
| 2017 | 1 |
| 2019 | 4 |
| 2020 | 2 |
| 2021 | 3 |
| 2022 | 1 |
| 2023 | 1 |
| 2024 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Carbon dioxide capture, products incorporating or produced using captured carbon dioxide, and economic benefits associated with such products
US-11897765-B2 · Feb 13, 2024 · US
Device and method for preparing high-purity hydrogen and/or oxygen by electrolysis of water
US-2023044196-A1 · Feb 9, 2023 · US
Method of purifying metal oxide particles and uses thereof
US-11267723-B2 · Mar 8, 2022 · US
Precise modifying method for fine particle dispersion liquid
US-11111145-B2 · Sep 7, 2021 · US
Precise modifying method for fine particle dispersion liquid
US-11008216-B2 · May 18, 2021 · US
Efficient long-service-life blowing method and system for vanadium extraction-decarburization duplex converters
US-10988818-B2 · Apr 27, 2021 · US
Carbon dioxide capture, products incorporating or produced using captured carbon dioxide, and economic benefits associated with such products
US-2020407222-A1 · Dec 31, 2020 · US
Efficient long-service-life blowing method and system for vanadium extraction-decarburization duplex converters
US-2020340070-A1 · Oct 29, 2020 · US
A method of purifying metal oxide particles and uses thereof
US-2019225491-A1 · Jul 25, 2019 · US
Precise modifying method for fine particle dispersion liquid
US-2019031508-A1 · Jan 31, 2019 · US
Precise modifying method for fine particle dispersion liquid
US-2019031509-A1 · Jan 31, 2019 · US
Methods and apparatus for metal recovery from slag
US-10174403-B2 · Jan 8, 2019 · US
Methods and apparatus for metal recovery from slag
US-2017362680-A1 · Dec 21, 2017 · US
Gas stream purification apparatus
US-9272908-B2 · Mar 1, 2016 · US