- All sections
- C - Chemistrymetallurgy
- C01F - Compounds of the metals beryllium, magnesium, aluminium, calcium, strontium, barium, radium, thorium, or of the rare earth metals
- C01F 7/44 - Dehydration of aluminium oxide or hydroxide, i.e. all conversions of one form into another involving a loss of water
Patent holdings for IPC class C01F 7/44
Total number of patents in this class: 119
10-year publication summary
|
15
|
11
|
10
|
10
|
10
|
6
|
5
|
1
|
1
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| IFP Energies Nouvelles | 3125 |
11 |
| Saint-Gobain Ceramics & Plastics, Inc. | 804 |
7 |
| Outotec Oyj | 233 |
6 |
| Sumitomo Chemical Company, Limited | 8992 |
5 |
| NGK Insulators, Ltd. | 5168 |
5 |
| DIC Corporation | 4000 |
5 |
| BASF SE | 21334 |
4 |
| Nippon Light Metal Company, Ltd. | 695 |
4 |
| Susonity Commercial GmbH | 212 |
4 |
| BASF Corporation | 1682 |
3 |
| Corning Incorporated | 10558 |
3 |
| Obshchestvo S Ogranichennoy Otvetstvennost'yu "obedinennaya Kompaniya RUSAL Inzhenerno-tekhnologicheskiy Tsentr" | 139 |
3 |
| Polar Sapphire Ltd. | 16 |
3 |
| Alcoa of Australia Limited | 42 |
2 |
| Baikowski | 10 |
2 |
| Brigham Young University | 602 |
2 |
| Mitsubishi Materials Corporation | 2484 |
2 |
| Outotec (Finland) Oy | 455 |
2 |
| Pacific Industrial Development Corporation | 86 |
2 |
| Renaissance Energy Research Corporation | 62 |
2 |
| Other owners | 42 |