- All sections
- C - Chemistrymetallurgy
- C22B - Production or refining of metalspretreatment of raw materials
- C22B 30/02 - Obtaining antimony
Patent holdings for IPC class C22B 30/02
Total number of patents in this class: 48
10-year publication summary
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3
|
3
|
2
|
2
|
2
|
3
|
0
|
4
|
3
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Goldcorp Inc. | 15 |
4 |
| Kinaltek Pty. Ltd. | 7 |
4 |
| Outotec (Finland) Oy | 480 |
3 |
| Goldcorp Inc. | 6 |
3 |
| The Doe Run Resources Corporation | 5 |
2 |
| Freeport Minerals Corporation | 106 |
2 |
| Kunming Diboo Technology Co., Ltd. | 7 |
2 |
| Kunming University of Science and Technology | 178 |
2 |
| Compañia Minera Pargo Minerals SpA | 4 |
2 |
| Honeywell International Inc. | 13525 |
1 |
| Barrick Gold Corporation | 52 |
1 |
| Aurubis AG | 67 |
1 |
| China Nerin Engineering Co., Ltd. | 7 |
1 |
| China University of Mining and Technology, Beijing | 92 |
1 |
| Consejo Superior de Investigaciones Cientificas (csic) | 1366 |
1 |
| Dowa Metals & Mining Co., Ltd. | 41 |
1 |
| Dundee Sustainable Technologies Inc. | 26 |
1 |
| The Governing Council of The University of Toronto, | 1472 |
1 |
| Hydromet (Pty) Ltd. | 1 |
1 |
| LEIYANG YANXIN NON-FERROUS METALS Co., LTD. | 7 |
1 |
| Other owners | 13 |