- All sections
- C - Chemistrymetallurgy
- C09B - Organic dyes or closely-related compounds for producing dyesmordantslakes
- C09B 44/06 - Azo dyes containing onium groups containing ammonium groups not directly attached to an azo group from coupling components containing hydroxyl as the only directing group
Patent holdings for IPC class C09B 44/06
Total number of patents in this class: 0
10-year publication summary
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
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All patents
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This class
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| Other owners | 0 |