- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 221/14 - Aza-phenalenes, e.g. 1,8-naphthalimide
Patent holdings for IPC class C07D 221/14
Total number of patents in this class: 167
10-year publication summary
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8
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6
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8
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15
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8
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10
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7
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13
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13
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6
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |