- All sections
- C - Chemistrymetallurgy
- C09B - Organic dyes or closely-related compounds for producing dyesmordantslakes
- C09B 33/153 - Disazo dyes in which the coupling component is a bis-(aceto-acetyl amide) or a bis-(benzoyl-acetylamide)
Patent holdings for IPC class C09B 33/153
Total number of patents in this class: 27
10-year publication summary
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1
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3
|
1
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0
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0
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3
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0
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0
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1
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3
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canon Kabushiki Kaisha | 7369 |
6 |
| Zeon Corporation | 4167 |
5 |
| DIC Corporation | 3982 |
4 |
| Canon Inc. | 44134 |
3 |
| FUJIFILM Corporation | 30628 |
2 |
| Xerox Corporation | 4386 |
1 |
| Clariant International AG | 14 |
1 |
| Dainichiseika Color & Chemicals Mfg. Co., Ltd. | 380 |
1 |
| Toyo Ink SC Holdings Co., Ltd. | 462 |
1 |
| Toyocolor Co., Ltd. | 253 |
1 |
| Kebotix, Inc. | 25 |
1 |
| Clariant Plastic & Coatings AG | 7 |
1 |
| Other owners | 0 |