- All sections
- C - Chemistrymetallurgy
- C09B - Organic dyes or closely-related compounds for producing dyesmordantslakes
- C09B 35/023 - Disazo dyes characterised by two coupling components of the same type in which the coupling component is a hydroxy or polyhydroxy compound
Patent holdings for IPC class C09B 35/023
Total number of patents in this class: 7
10-year publication summary
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0
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1
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kemira Oyj | 1208 |
2 |
| Samsung Display Co., Ltd. | 35017 |
1 |
| Seiko Epson Corporation | 19458 |
1 |
| FUJIFILM Corporation | 29489 |
1 |
| Clariant Finance (BVI) Limited | 386 |
1 |
| Chromascape, LLC | 51 |
1 |
| Other owners | 0 |