- All sections
- C - Chemistry; metallurgy
- 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: 140
10-year publication summary
|
19
|
13
|
11
|
11
|
6
|
12
|
8
|
12
|
13
|
4
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| AEM Canada Group Inc. | 13 |
8 |
| Sumitomo Chemical Company, Limited | 8808 |
7 |
| DIC Corporation | 3597 |
7 |
| Georgia Tech Research Corporation | 2453 |
5 |
| Polar Sapphire Ltd. | 10 |
5 |
| Sila Nanotechnologies Inc. | 135 |
5 |
| NGK Insulators, Ltd. | 4589 |
4 |
| Alcoa of Australia Limited | 54 |
3 |
| Cabot Corporation | 575 |
3 |
| China Petroleum & Chemical Corporation | 1623 |
3 |
| Clariant Finance (BVI) Limited | 427 |
3 |
| Nexdot | 66 |
3 |
| Obshchestvo S Ogranichennoy Otvetstvennost'yu "obedinennaya Kompaniya RUSAL Inzhenerno-tekhnologicheskiy Tsentr" | 142 |
3 |
| United Company RUSAL Engineering and Technology Centre LLC | 22 |
3 |
| Evonik Degussa GmbH | 1574 |
2 |
| Uop LLC | 4083 |
2 |
| JSR Corporation | 2476 |
2 |
| China Aluminum International Engineering Corporation Limited | 81 |
2 |
| Clariant International Ltd. | 978 |
2 |
| Degussa GmbH | 89 |
2 |
| Other owners | 66 |