- 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: 135
10-year publication summary
|
9
|
16
|
16
|
11
|
10
|
4
|
9
|
11
|
3
|
6
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| IFP Energies Nouvelles | 2933 |
24 |
| Merck Patent GmbH | 5823 |
10 |
| Alcoa of Australia Limited | 47 |
3 |
| Ecolab USA Inc. | 5491 |
3 |
| Guangdong Brunp Recycling Technology Co., Ltd | 1243 |
3 |
| Hunan Brunp Recycling Technology Co., Ltd. | 1212 |
3 |
| Renaissance Energy Research Corporation | 60 |
3 |
| Rhodia Operations | 1586 |
3 |
| Tsukishima Kikai Co., Ltd. | 113 |
3 |
| Chevron U.S.A. Inc. | 3962 |
2 |
| Beijing University of Chemical Technology | 320 |
2 |
| Chemetics Inc. | 63 |
2 |
| Dalian University of Technology | 1520 |
2 |
| Easymining Sweden AB | 63 |
2 |
| Eramet | 49 |
2 |
| Institute of National Colleges of Technology, Japan | 79 |
2 |
| Knauf Gips KG | 602 |
2 |
| Kunming University of Science and Technology | 184 |
2 |
| Sasol Performance Chemicals GmbH | 33 |
2 |
| United Company RUSAL Engineering and Technology Centre LLC | 21 |
2 |
| Other owners | 58 |