- All sections
- C - Chemistrymetallurgy
- C22B - Production or refining of metalspretreatment of raw materials
- C22B 13/08 - Separating metals from lead by precipitating, e.g. by Parkes process
Patent holdings for IPC class C22B 13/08
Total number of patents in this class: 10
10-year publication summary
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0
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0
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0
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1
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2
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1
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1
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2
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0
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0
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ArcelorMittal | 2072 |
1 |
| The Doe Run Resources Corporation | 5 |
1 |
| Ecometales Limited | 16 |
1 |
| Glencore Queensland Limited | 9 |
1 |
| Institut National de La Recherche Scientifique (inrs) | 40 |
1 |
| Mitsubishi Materials Corporation | 2407 |
1 |
| Universite de Lorraine | 370 |
1 |
| Indian Institute of Technology Madras (IIT Madras) | 392 |
1 |
| Jiangsu New Chunxing Resource Recycling Co. Ltd | 10 |
1 |
| Cirba Solutions US, Inc. | 14 |
1 |
| Other owners | 0 |