- All sections
- C - Chemistrymetallurgy
- C09B - Organic dyes or closely-related compounds for producing dyesmordantslakes
- C09B 56/20 - Triazene-azo dyes
Patent holdings for IPC class C09B 56/20
Total number of patents in this class: 3
10-year publication summary
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1
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0
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1
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1
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0
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0
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0
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0
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0
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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 Inc. | 40095 |
1 |
| Georgia State University Research Foundation, Inc. | 346 |
1 |
| Wella Operations US LLC | 829 |
1 |
| Other owners | 0 |