- All sections
- C - Chemistrymetallurgy
- C01F - Compounds of the metals beryllium, magnesium, aluminium, calcium, strontium, barium, radium, thorium, or of the rare earth metals
- C01F 11/08 - Oxides or hydroxides by reduction of sulfates
Patent holdings for IPC class C01F 11/08
Total number of patents in this class: 27
10-year publication summary
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0
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0
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2
|
1
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5
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1
|
1
|
4
|
2
|
1
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ThyssenKrupp AG | 3333 |
6 |
| ThyssenKrupp Industrial Solutions AG | 630 |
6 |
| OCP S.A. | 90 |
3 |
| Innovator Energy LLC | 80 |
2 |
| Agency for Science, Technology and Research | 3785 |
1 |
| Guangdong Brunp Recycling Technology Co., Ltd | 1273 |
1 |
| Hunan Brunp Recycling Technology Co., Ltd. | 1227 |
1 |
| Shandong University | 1164 |
1 |
| Keyon Process Co., Ltd | 11 |
1 |
| Zhangjiagang Hongchang Steel Plate Co., Ltd. | 11 |
1 |
| Metso Outotec Finland Oy | 171 |
1 |
| Institute of Research of Iron and Steel, Jiangsu Province/sha-steel, Co. Ltd | 83 |
1 |
| Peregrine Hydrogen Inc. | 18 |
1 |
| Hangsu Shagang Group Co., Ltd. | 1 |
1 |
| Other owners | 0 |