- All sections
- C - Chemistrymetallurgy
- C09B - Organic dyes or closely-related compounds for producing dyesmordantslakes
- C09B 39/00 - Other azo dyes prepared by diazotising and coupling
Patent holdings for IPC class C09B 39/00
Total number of patents in this class: 6
10-year publication summary
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0
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1
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0
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0
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0
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0
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0
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2
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0
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0
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 29839 |
2 |
| Sumitomo Chemical Company, Limited | 9109 |
1 |
| DyStar Colours Distribution GmbH | 167 |
1 |
| The Hong Kong University of Science and Technology | 782 |
1 |
| Rohm GmbH | 265 |
1 |
| Other owners | 0 |