Purification of ores using boronic acid-functional compounds
US-12145856-B2 · Nov 19, 2024 · US
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Preparation of aluminium oxide or hydroxide from aluminous ores using acids or salts
Preparation of aluminium oxide or hydroxide from aluminous ores using acids or salts · 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 | C01F7/20 |
| Official title | Preparation of aluminium oxide or hydroxide from aluminous ores using acids or salts |
| Display label | Preparation of aluminium oxide or hydroxide from aluminous ores using acids or salts |
| Total patents | 13 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2017 | 1 |
| 2018 | 2 |
| 2019 | 1 |
| 2020 | 1 |
| 2022 | 4 |
| 2023 | 1 |
| 2024 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Catalytic cracking catalyst and preparation process thereof
US-12138621-B2 · Nov 12, 2024 · US
Methods for recovering metals using oxalate compounds
US-12054805-B2 · Aug 6, 2024 · US
Sheet-Like Pseudoboehmite
US-2023117406-A1 · Apr 20, 2023 · US
Methods for recovering metals using oxalate compounds
US-2022349025-A1 · Nov 3, 2022 · US
Purification of ores using boronic acid-functional compounds
US-2022259061-A1 · Aug 18, 2022 · US
Catalytic Cracking Catalyst and Preparation Process Thereof
US-2022184589-A1 · Jun 16, 2022 · US
Synthesis of M13 clusters from aluminum and gallium mineral polymorphs
US-11299399-B2 · Apr 12, 2022 · US
Synthesis of m13 clusters from aluminum and gallium mineral polymorphs
US-2020207634-A1 · Jul 2, 2020 · US
Synthesis of M13 clusters from aluminum and gallium mineral polymorphs
US-10513442-B2 · Dec 24, 2019 · US
Synthesis of m13 clusters from aluminum and gallium mineral polymorphs
US-2018208477-A1 · Jul 26, 2018 · US
Method for recovering alkali and aluminum in course of treatment of bayer red mud by using calcification-carbonation method
US-9963353-B2 · May 8, 2018 · US
A method for recovering alkali and aluminum in course of treatment of bayer red mud by using calcification-carbonation method
US-2017036920-A1 · Feb 9, 2017 · US