- All sections
- C - Chemistrymetallurgy
- C09B - Organic dyes or closely-related compounds for producing dyesmordantslakes
- C09B 35/033 - Disazo dyes characterised by two coupling components of the same type in which the coupling component is an arylamide of an o-hydroxy carboxylic acid or of a beta-keto-carboxylic acid
Patent holdings for IPC class C09B 35/033
Total number of patents in this class: 5
10-year publication summary
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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 Inc. | 40095 |
1 |
| Dainichiseika Color & Chemicals Mfg. Co., Ltd. | 371 |
1 |
| Sakata INX Corp. | 384 |
1 |
| Toyo Ink SC Holdings Co., Ltd. | 464 |
1 |
| Toyocolor Co., Ltd. | 220 |
1 |
| Other owners | 0 |