Ordered cross-stacked metal oxide nanowire array material and preparation method thereof
US-12304812-B2 · May 20, 2025 · US
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Preparing mixtures of oxides
Preparing mixtures of oxides · 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 | C01B13/185 |
| Official title | {Preparing mixtures of oxides} |
| Display label | Preparing mixtures of oxides |
| Total patents | 16 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2018 | 2 |
| 2019 | 2 |
| 2020 | 3 |
| 2021 | 1 |
| 2022 | 1 |
| 2024 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Mixed oxide composite comprising calcium oxide and tricalcium aluminate
US-12053759-B2 · Aug 6, 2024 · US
Ordered cross-stacked metal oxide nanowire array material and preparation method thereof
US-2022194793-A1 · Jun 23, 2022 · US
Mixed oxide composite comprising calcium oxide and tricalcium aluminate
US-2021339225-A1 · Nov 4, 2021 · US
Method for producing metal oxide nanocrystals, method for producing multi-element oxide nanocrystals, and metal oxide nanocrystals
US-10745822-B2 · Aug 18, 2020 · US
Method for producing nanocrystals and nanocrystal production device
US-10640882-B2 · May 5, 2020 · US
Method of preparing metal oxide-silica composite aerogel and metal oxide-silica composite aerogel prepared by using the same
US-10526207-B2 · Jan 7, 2020 · US
Reduction-oxidation of actinides extraction process (ROANEX) for used nuclear fuel recycling
US-10297355-B1 · May 21, 2019 · US
Method for producing nanocrystals and nanocrystal production device
US-2019032241-A1 · Jan 31, 2019 · US
Method for producing metal oxide nanocrystals, method for producing multi-element oxide nanocrystals, and metal oxide nanocrystals
US-2018371638-A1 · Dec 27, 2018 · US
Method of preparing metal oxide-silica composite aerogel and metal oxide-silica composite aerogel prepared by using the same
US-2018127277-A1 · May 10, 2018 · US
Nickel-free green pigment
US-2015353706-A1 · Dec 10, 2015 · US
Nickel-free green pigment
US-9187617-B1 · Nov 17, 2015 · US
Method for producing sorbents for CO2 capture under high temperatures
US-9114359-B2 · Aug 25, 2015 · US
Precursor formulation for battery active materials synthesis
US-9112225-B2 · Aug 18, 2015 · US
Perovskite catalyst and method of manufacturing the same
US-8951932-B2 · Feb 10, 2015 · US