- 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: 24
10-year publication summary
|
3
|
1
|
3
|
1
|
0
|
0
|
3
|
0
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0
|
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
|
|---|---|---|
| Canon Kabushiki Kaisha | 7067 |
6 |
| Zeon Corporation | 4079 |
5 |
| Canon Inc. | 40095 |
3 |
| FUJIFILM Corporation | 29437 |
2 |
| DIC Corporation | 3801 |
2 |
| Mitsubishi Chemical Corporation | 4525 |
1 |
| Dainichiseika Color & Chemicals Mfg. Co., Ltd. | 371 |
1 |
| Toyo Ink SC Holdings Co., Ltd. | 464 |
1 |
| Toyocolor Co., Ltd. | 220 |
1 |
| Clariant Plastics & Coatings Ltd | 83 |
1 |
| Clariant Finance (BVI) Limited | 1 |
1 |
| Other owners | 0 |