- All sections
- C - Chemistrymetallurgy
- C22B - Production or refining of metalspretreatment of raw materials
- C22B 9/14 - Refining in the solid state
Patent holdings for IPC class C22B 9/14
Total number of patents in this class: 45
10-year publication summary
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5
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3
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3
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1
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4
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3
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3
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3
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4
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1
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