- 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 7/442 - Dehydration of aluminium oxide or hydroxide, i.e. all conversions of one form into another involving a loss of water by calcination in presence of a calcination additive
Patent holdings for IPC class C01F 7/442
Total number of patents in this class: 9
10-year publication summary
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2
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6
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| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| DIC Corporation | 3597 |
4 |
| Saint-Gobain Ceramics & Plastics, Inc. | 812 |
3 |
| Dainichiseika Color & Chemicals Mfg. Co., Ltd. | 354 |
1 |
| TYROLIT - Schleifmittelwerke Swarovski K.G. | 65 |
1 |
| Other owners | 0 |