- 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 7/06 - Preparation of alkali metal aluminates; Aluminium oxide or hydroxide therefrom by treating aluminous minerals or waste-like raw materials with alkali hydroxide, e.g. leaching of bauxite according to the Bayer process
Patent holdings for IPC class C01F 7/06
Total number of patents in this class: 137
10-year publication summary
|
15
|
14
|
11
|
3
|
10
|
8
|
5
|
6
|
4
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Ecolab USA Inc. | 5190 |
14 |
| Cytec Industries Inc. | 407 |
11 |
| Alcoa of Australia Limited | 54 |
10 |
| Cytec Technology Corp. | 328 |
8 |
| Nalco Company | 620 |
7 |
| Krause-rohm-systeme AG | 6 |
5 |
| Rio Tinto ALCAN International Limited | 214 |
5 |
| China Aluminum International Engineering Corporation Limited | 81 |
4 |
| AEM Canada Group Inc. | 13 |
4 |
| Fluorchemie GmbH Frankfurt | 16 |
3 |
| Showa Denko K.K. | 2539 |
2 |
| Aditya Birla Science & Technology Co. Ltd. | 31 |
2 |
| Hindalco Industries Ltd. | 16 |
2 |
| Krsys GmbH | 2 |
2 |
| Kunming University of Science and Technology | 117 |
2 |
| Obshchestvo S Ogranichennoy Otvetstvennost'yu "obedinennaya Kompaniya RUSAL Inzhenerno-tekhnologicheskiy Tsentr" | 142 |
2 |
| Outotec (Finland) Oy | 491 |
2 |
| S.p.c.m. SA | 308 |
2 |
| Worcester Polytechnic Institute | 438 |
2 |
| BHP Billiton Worsley Alumina Pty Ltd. | 5 |
2 |
| Other owners | 46 |