- All sections
- C - Chemistrymetallurgy
- C09B - Organic dyes or closely-related compounds for producing dyesmordantslakes
- C09B 43/26 - Preparation of azo dyes from other azo compounds by acylation of hydroxy groups with polyfunctional acylating agents
Patent holdings for IPC class C09B 43/26
Total number of patents in this class: 5
10-year publication summary
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1
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0
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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
|
|---|---|---|
| Milliken & Company | 1194 |
2 |
| The Procter & Gamble Company | 22045 |
1 |
| L' Oréal | 5539 |
1 |
| Solventum Intellectual Properties Company | 3335 |
1 |
| Other owners | 0 |