- 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 7/02 - Aluminium oxide; Aluminium hydroxide; Aluminates
Patent holdings for IPC class C01F 7/02
Total number of patents in this class: 816
10-year publication summary
|
44
|
53
|
73
|
92
|
71
|
50
|
53
|
57
|
43
|
9
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| IFP Energies Nouvelles | 2717 |
23 |
| Sumitomo Chemical Company, Limited | 8808 |
21 |
| Martinswerk GmbH | 43 |
19 |
| Denka Company Limited | 2189 |
17 |
| DIC Corporation | 3597 |
16 |
| NGK Insulators, Ltd. | 4589 |
14 |
| Saint-Gobain Ceramics & Plastics, Inc. | 812 |
14 |
| China Aluminum International Engineering Corporation Limited | 81 |
11 |
| BASF SE | 19740 |
10 |
| Ecolab USA Inc. | 5190 |
10 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
9 |
| Fujimi Incorporated | 676 |
9 |
| Sasol (USA) Corporation | 69 |
9 |
| 3m Innovative Properties Company | 18406 |
8 |
| Nalco Company | 620 |
8 |
| Merck Patent GmbH | 5909 |
7 |
| Uop LLC | 4083 |
7 |
| Evonik Degussa GmbH | 1574 |
6 |
| Alcoa of Australia Limited | 54 |
6 |
| Northeastern University | 493 |
6 |
| Other owners | 586 |