- 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: 141
10-year publication summary
|
16
|
16
|
11
|
10
|
4
|
8
|
11
|
4
|
12
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| IFP Energies Nouvelles | 3079 |
24 |
| Susonity Commercial GmbH | 211 |
9 |
| Ecolab USA Inc. | 5772 |
3 |
| Guangdong Brunp Recycling Technology Co., Ltd | 1256 |
3 |
| Hunan Brunp Recycling Technology Co., Ltd. | 1220 |
3 |
| Renaissance Energy Research Corporation | 63 |
3 |
| Rhodia Operations | 1515 |
3 |
| Tsukishima Kikai Co., Ltd. | 113 |
3 |
| Chevron U.S.A. Inc. | 4122 |
2 |
| Alcoa of Australia Limited | 41 |
2 |
| Beijing University of Chemical Technology | 328 |
2 |
| Chemetics Inc. | 68 |
2 |
| Dalian University of Technology | 1585 |
2 |
| Easymining Sweden AB | 70 |
2 |
| Eramet | 50 |
2 |
| Institute of National Colleges of Technology, Japan | 77 |
2 |
| Nalco Company | 542 |
2 |
| Sasol Performance Chemicals GmbH | 30 |
2 |
| United Company RUSAL Engineering and Technology Centre LLC | 21 |
2 |
| Evonik Operations GmbH | 4295 |
2 |
| Other owners | 66 |