Method for producing iota alumina and iota alumina
US-2026015248-A1 · Jan 15, 2026 · US
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Aluminium oxide or hydroxide from alkali metal aluminates
Aluminium oxide or hydroxide from alkali metal aluminates · 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 | C01F7/14 |
| Official title | Aluminium oxide or hydroxide from alkali metal aluminates |
| Display label | Aluminium oxide or hydroxide from alkali metal aluminates |
| Total patents | 21 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2017 | 4 |
| 2019 | 3 |
| 2020 | 3 |
| 2021 | 2 |
| 2022 | 2 |
| 2023 | 3 |
| 2024 | 1 |
| 2025 | 2 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Process for the preparation of particulate alumina
US-2025282634-A1 · Sep 11, 2025 · US
Method for recovering lithium from brine
US-12378638-B2 · Aug 5, 2025 · US
Accuracy compensation method for discharge caustic alkali concentration measuring device in evaporation process
US-11893472-B2 · Feb 6, 2024 · US
Method for manufacture of amorphous silica-alumina composition in the presence of ODSO
US-11649169-B2 · May 16, 2023 · US
Method for manufacture of amorphous silica-alumina composition in the presence of odso
US-2023104372-A1 · Apr 6, 2023 · US
Systems and methods for alumina production
US-11584657-B2 · Feb 21, 2023 · US
Method for recovering lithium from brine
US-2022364203-A1 · Nov 17, 2022 · US
Accuracy compensation method for discharge caustic alkali concentration measuring device in evaporation process
US-2022083839-A1 · Mar 17, 2022 · US
Recovery of mining processing product using boronic acid-containing polymers
US-11208332-B2 · Dec 28, 2021 · US
Inorganic oxide material
US-11154840-B2 · Oct 26, 2021 · US
Systems and methods for regeneration of aqueous alkaline solution
US-10720659-B2 · Jul 21, 2020 · US
Systems and methods for alumina production
US-2020031683-A1 · Jan 30, 2020 · US
Recovery of mining processing product using boronic acid-containing polymers
US-2020024148-A1 · Jan 23, 2020 · US
Recovery of mining processing product using boronic acid-containing polymers
US-10427950-B2 · Oct 1, 2019 · US
Amorphous mesoporous alumina with high connectivity and production method thereof
US-10364158-B2 · Jul 30, 2019 · US
Process to peptize alumina for fluidizable catalysts
US-2019184375-A1 · Jun 20, 2019 · US
Recovery of mining processing product using boronic acid-containing polymers
US-2017158522-A1 · Jun 8, 2017 · US
Amorphous mesoporous alumina with high connectivity and production method thereof
US-2017121180-A1 · May 4, 2017 · US
Systems and methods for regeneration of aqueous alkaline solution
US-2017033382-A1 · Feb 2, 2017 · US