- 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: 121
10-year publication summary
|
7
|
15
|
11
|
10
|
9
|
9
|
7
|
4
|
1
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| IFP Energies Nouvelles | 2948 |
11 |
| Saint-Gobain Ceramics & Plastics, Inc. | 837 |
7 |
| Sumitomo Chemical Company, Limited | 9051 |
6 |
| Outotec Oyj | 278 |
6 |
| Merck Patent GmbH | 5820 |
5 |
| NGK Insulators, Ltd. | 4995 |
5 |
| DIC Corporation | 3810 |
5 |
| BASF SE | 20961 |
4 |
| Nippon Light Metal Company, Ltd. | 666 |
4 |
| BASF Corporation | 1722 |
3 |
| Corning Incorporated | 10294 |
3 |
| Obshchestvo S Ogranichennoy Otvetstvennost'yu "obedinennaya Kompaniya RUSAL Inzhenerno-tekhnologicheskiy Tsentr" | 133 |
3 |
| Polar Sapphire Ltd. | 11 |
3 |
| Alcoa of Australia Limited | 47 |
2 |
| Baikowski | 12 |
2 |
| Brigham Young University | 599 |
2 |
| Mitsubishi Materials Corporation | 2453 |
2 |
| Outotec (Finland) Oy | 480 |
2 |
| Pacific Industrial Development Corporation | 78 |
2 |
| Renaissance Energy Research Corporation | 60 |
2 |
| Other owners | 42 |