- All sections
- C - Chemistrymetallurgy
- C22B - Production or refining of metalspretreatment of raw materials
- C22B 19/36 - Obtaining zinc oxide in blast or reverberatory furnaces
Patent holdings for IPC class C22B 19/36
Total number of patents in this class: 3
10-year publication summary
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0
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1
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1
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0
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1
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0
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0
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1
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0
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0
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Tata Steel Nederland Technology BV | 163 |
2 |
| South Wales Minerals & Mining Ltd. | 2 |
1 |
| Other owners | 0 |