- All sections
- C - Chemistry; metallurgy
- C22B - Production or refining of metals; pretreatment of raw materials
- C22B 3/40 - Mixtures
Patent holdings for IPC class C22B 3/40
Total number of patents in this class: 73
10-year publication summary
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2
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2
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2
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2
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4
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8
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8
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6
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7
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1
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |