- All sections
- C - Chemistrymetallurgy
- C01F - Compounds of the metals beryllium, magnesium, aluminium, calcium, strontium, barium, radium, thorium, or of the rare earth metals
- C01F 7/422 - Preparation of aluminium oxide or hydroxide from metallic aluminium, e.g. by oxidation by oxidation with a gaseous oxidator at a high temperature
Patent holdings for IPC class C01F 7/422
Total number of patents in this class: 4
10-year publication summary
|
1
|
0
|
0
|
0
|
1
|
0
|
0
|
1
|
2
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Admatechs Company Limited | 79 |
2 |
| North Carolina State University | 1560 |
1 |
| S J Technology Co., Ltd. | 1 |
1 |
| Other owners | 0 |