- All sections
- C - Chemistrymetallurgy
- C01F - Compounds of the metals beryllium, magnesium, aluminium, calcium, strontium, barium, radium, thorium, or of the rare earth metals
- C01F 7/30 - Preparation of aluminium oxide or hydroxide by thermal decomposition or by hydrolysis or oxidation of aluminium compounds
Patent holdings for IPC class C01F 7/30
Total number of patents in this class: 149
10-year publication summary
|
11
|
11
|
6
|
13
|
8
|
11
|
14
|
8
|
12
|
9
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sumitomo Chemical Company, Limited | 8992 |
9 |
| AEM Canada Group Inc. | 13 |
8 |
| DIC Corporation | 4000 |
7 |
| Polar Sapphire Ltd. | 16 |
7 |
| Evonik Operations GmbH | 4443 |
6 |
| Georgia Tech Research Corporation | 2996 |
5 |
| Sila Nanotechnologies Inc. | 189 |
5 |
| NGK Insulators, Ltd. | 5168 |
4 |
| China Petroleum & Chemical Corporation | 2190 |
4 |
| Rio Tinto ALCAN International Limited | 219 |
4 |
| Nexdot | 79 |
3 |
| Obshchestvo S Ogranichennoy Otvetstvennost'yu "obedinennaya Kompaniya RUSAL Inzhenerno-tekhnologicheskiy Tsentr" | 139 |
3 |
| The Regents of the University of California | 20960 |
2 |
| Uop LLC | 4407 |
2 |
| JSR Corporation | 2562 |
2 |
| Alcoa of Australia Limited | 42 |
2 |
| China Aluminum International Engineering Corporation Limited | 80 |
2 |
| Elkem AS | 55 |
2 |
| Fudan University | 772 |
2 |
| Orbite Aluminae Inc. | 14 |
2 |
| Other owners | 68 |