- All sections
- C - Chemistrymetallurgy
- C01F - Compounds of the metals beryllium, magnesium, aluminium, calcium, strontium, barium, radium, thorium, or of the rare earth metals
- C01F 7/34 - Preparation of aluminium hydroxide by precipitation from solutions containing aluminium salts
Patent holdings for IPC class C01F 7/34
Total number of patents in this class: 144
10-year publication summary
|
16
|
16
|
11
|
10
|
4
|
8
|
11
|
4
|
12
|
6
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| IFP Energies Nouvelles | 3125 |
25 |
| Susonity Commercial GmbH | 212 |
9 |
| Ecolab USA Inc. | 5842 |
3 |
| Guangdong Brunp Recycling Technology Co., Ltd | 1273 |
3 |
| Hunan Brunp Recycling Technology Co., Ltd. | 1227 |
3 |
| Renaissance Energy Research Corporation | 62 |
3 |
| Rhodia Operations | 1483 |
3 |
| Tsukishima Kikai Co., Ltd. | 115 |
3 |
| Chevron U.S.A. Inc. | 4180 |
2 |
| Beijing University of Chemical Technology | 335 |
2 |
| Chemetics Inc. | 69 |
2 |
| Dalian University of Technology | 1611 |
2 |
| Easymining Sweden AB | 73 |
2 |
| Eramet | 48 |
2 |
| Institute of National Colleges of Technology, Japan | 76 |
2 |
| Nalco Company | 528 |
2 |
| Sasol Performance Chemicals GmbH | 26 |
2 |
| United Company RUSAL Engineering and Technology Centre LLC | 21 |
2 |
| Evonik Operations GmbH | 4443 |
2 |
| Lava Blue Ltd | 8 |
2 |
| Other owners | 68 |