Rotating liquid film reactor with gas-liquid concurrent and use thereof in preparation of metal hydroxides
US-2025360482-A1 · Nov 27, 2025 · US
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by oxidation of elements in the gaseous state; by oxidation or hydrolysis of compounds in the gaseous state
by oxidation of elements in the gaseous state; by oxidation or hydrolysis of compounds in the gaseous state · 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 | C01B13/20 |
| Official title | by oxidation of elements in the gaseous state; by oxidation or hydrolysis of compounds in the gaseous state |
| Display label | by oxidation of elements in the gaseous state; by oxidation or hydrolysis of compounds in the gaseous state |
| 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 |
|---|---|
| 2015 | 1 |
| 2017 | 1 |
| 2018 | 2 |
| 2019 | 1 |
| 2020 | 2 |
| 2021 | 2 |
| 2023 | 3 |
| 2024 | 1 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Continuous process for sustainable production of hydrogen
US-12391547-B2 · Aug 19, 2025 · US
Process for producing at least one pyrogenic compound and burner suitable for use in said process
US-2024359995-A1 · Oct 31, 2024 · US
Raw material composition for preparing oxygen carrier particles, oxygen carrier particles prepared by using same, and method for preparing oxygen carrier particles
US-11835227-B2 · Dec 5, 2023 · US
Device and method for magnetic field-assisted simulation of zero-microgravity fame synthesis of nanoparticles
US-11786882-B2 · Oct 17, 2023 · US
Device and method for magnetic field-assisted simulation of zero-microgravity fame synthesis of nanoparticles
US-2023271153-A1 · Aug 31, 2023 · US
Method for recycling carbon dioxide
US-11142461-B2 · Oct 12, 2021 · US
A continuous process for sustainable production of hydrogen
US-2021261407-A1 · Aug 26, 2021 · US
Method for Recycling Carbon Dioxide
US-2020325026-A1 · Oct 15, 2020 · US
Process for the preparation of a particulate dental filler composition
US-10610459-B2 · Apr 7, 2020 · US
Raw material composition for preparing oxygen carrier particles, oxygen carrier particles prepared by using same, and method for preparing oxygen carrier particles
US-2019170346-A1 · Jun 6, 2019 · US
Apparatuses and methods for combustion and material synthesis
US-10088152-B2 · Oct 2, 2018 · US
Process for the preparation of a particulate dental filler composition
US-2018263862-A1 · Sep 20, 2018 · US
Apparatuses and methods for combustion and material synthesis
US-2017284662-A1 · Oct 5, 2017 · US
System for optimizing and controlling particle size distribution and for scale-up of nanoparticle production in an aerosol flame reactor
US-9002521-B2 · Apr 7, 2015 · US