- 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 7/34 - 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: 138
10-year publication summary
16
|
9
|
16
|
16
|
11
|
10
|
4
|
9
|
11
|
3
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
IFP Energies Nouvelles | 2717 |
23 |
Merck Patent GmbH | 5909 |
10 |
Alcoa of Australia Limited | 54 |
3 |
Ecolab USA Inc. | 5190 |
3 |
Renaissance Energy Research Corporation | 60 |
3 |
Rhodia Operations | 1645 |
3 |
Tsukishima Kikai Co., Ltd. | 118 |
3 |
Chevron U.S.A. Inc. | 3774 |
2 |
Beijing University of Chemical Technology | 287 |
2 |
Chemetics Inc. | 59 |
2 |
Cqv Co., Ltd. | 70 |
2 |
Dalian University of Technology | 1387 |
2 |
Easymining Sweden AB | 59 |
2 |
Eramet | 44 |
2 |
Guangdong Brunp Recycling Technology Co., Ltd | 674 |
2 |
Hunan Brunp Recycling Technology Co., Ltd. | 622 |
2 |
Institute of National Colleges of Technology, Japan | 79 |
2 |
Knauf Gips KG | 534 |
2 |
Korea Research Institute of Chemical Technology | 1266 |
2 |
Kunming University of Science and Technology | 117 |
2 |
Other owners | 64 |