- All sections
- C - Chemistrymetallurgy
- C09B - Organic dyes or closely-related compounds for producing dyesmordantslakes
- C09B 29/15 - Monoazo dyes prepared by diazotising and coupling from coupling components containing hydroxy as the only directing group of the naphthalene series
Patent holdings for IPC class C09B 29/15
Total number of patents in this class: 9
10-year publication summary
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1
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0
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1
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0
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0
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1
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1
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1
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0
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0
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| DIC Corporation | 3982 |
3 |
| Asahi Glass Company, Limited | 2605 |
1 |
| Toray Industries, Inc. | 7143 |
1 |
| Kuraray Co., Ltd. | 3601 |
1 |
| Stichting Mapcode Foundation | 3 |
1 |
| Toyocolor Co., Ltd. | 253 |
1 |
| Artience Co., Ltd. | 314 |
1 |
| Other owners | 0 |