- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 267/20 - [b, f]-condensed
Patent holdings for IPC class C07D 267/20
Total number of patents in this class: 38
10-year publication summary
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1
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2
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4
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1
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3
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5
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2
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4
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1
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0
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