- All sections
- C - Chemistry; metallurgy
- C22B - Production or refining of metals; pretreatment of raw materials
- C22B 1/06 - Sulfating roasting
Patent holdings for IPC class C22B 1/06
Total number of patents in this class: 89
10-year publication summary
|
7
|
2
|
7
|
4
|
7
|
10
|
5
|
7
|
11
|
6
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nemaska Lithium Inc. | 69 |
8 |
| Beijing University of Technology | 437 |
4 |
| Barrick Gold Corporation | 73 |
3 |
| Australian Nuclear Science and Technology Organisation | 71 |
3 |
| Guangdong Brunp Recycling Technology Co., Ltd | 674 |
3 |
| Hunan Brunp Recycling Technology Co., Ltd. | 622 |
3 |
| Outotec (Finland) Oy | 491 |
3 |
| U.S. Borax Inc. | 112 |
3 |
| Vale S.A. | 262 |
3 |
| China ENFI Engineering Corp. | 91 |
3 |
| Ecopro Innovation Co., Ltd. | 7 |
3 |
| JNC Corporation | 1527 |
2 |
| Praxair Technology, Inc. | 1367 |
2 |
| Duesenfeld GmbH | 22 |
2 |
| Barrick Gold Corporation | 7 |
2 |
| British Lithium Limited | 3 |
2 |
| Massachusetts Institute of Technology | 9795 |
1 |
| Howmedica Osteonics Corp. | 1377 |
1 |
| Arafura Resources Limited | 7 |
1 |
| Areva Mines | 10 |
1 |
| Other owners | 36 |