- All sections
- C - Chemistrymetallurgy
- C22B - Production or refining of metalspretreatment of raw materials
- C22B 1/06 - Sulfating roasting
Patent holdings for IPC class C22B 1/06
Total number of patents in this class: 110
10-year publication summary
|
7
|
4
|
7
|
10
|
5
|
7
|
12
|
15
|
9
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nemaska Lithium Inc. | 77 |
8 |
| Beijing University of Technology | 515 |
5 |
| Hunan Brunp Recycling Technology Co., Ltd. | 1219 |
5 |
| Guangdong Brunp Recycling Technology Co., Ltd | 1250 |
4 |
| Ecopro Innovation Co., Ltd. | 8 |
4 |
| Barrick Gold Corporation | 27 |
3 |
| Australian Nuclear Science and Technology Organisation | 68 |
3 |
| Korea Institute of Geoscience and Mineral Resources | 250 |
3 |
| U.S. Borax Inc. | 115 |
3 |
| Vale S.A. | 261 |
3 |
| China ENFI Engineering Corp. | 107 |
3 |
| Innovative Manganese Technologies SA (Pty) Ltd. | 8 |
3 |
| Grirem Advanced Materials Co., Ltd. | 139 |
2 |
| Iluka Resources Limited | 35 |
2 |
| JNC Corporation | 1538 |
2 |
| Kunming University of Science and Technology | 232 |
2 |
| Outotec (Finland) Oy | 458 |
2 |
| Praxair Technology, Inc. | 1233 |
2 |
| Duesenfeld GmbH | 34 |
2 |
| Imertech SAS | 239 |
2 |
| Other owners | 47 |