- All sections
- C - Chemistrymetallurgy
- C22B - Production or refining of metalspretreatment of raw materials
- C22B 19/32 - Refining zinc
Patent holdings for IPC class C22B 19/32
Total number of patents in this class: 22
10-year publication summary
|
4
|
2
|
0
|
2
|
1
|
1
|
0
|
5
|
2
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Glencore Technology Pty Ltd | 51 |
3 |
| Kinotech Solar Energy Corporation | 13 |
3 |
| Korea Zinc Co., Ltd. | 89 |
3 |
| Metaleach Limited | 16 |
2 |
| Mitsubishi Materials Corporation | 2443 |
2 |
| Southwire Company, LLC | 782 |
2 |
| Honeywell International Inc. | 13545 |
1 |
| Tohoku University | 2783 |
1 |
| Xi'an Jiaotong University | 656 |
1 |
| Young Poong Corporation | 7 |
1 |
| Zinchem - a Division of Zimco Group (Pty) Ltd | 2 |
1 |
| Kunming Hanchuang Science and Technology Co., Ltd | 4 |
1 |
| Shaanxi Zinc Industry Co., Ltd. | 5 |
1 |
| Other owners | 0 |