- All sections
- C - Chemistrymetallurgy
- C09B - Organic dyes or closely-related compounds for producing dyesmordantslakes
- C09B 5/48 - Bis-anthraquinonediazines (indanthrone)
Patent holdings for IPC class C09B 5/48
Total number of patents in this class: 10
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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1
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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
|
|---|---|---|
| BASF SE | 20945 |
1 |
| Hewlett-Packard Development Company, L.P. | 25850 |
1 |
| Rohm and Haas Company | 2884 |
1 |
| Dow Global Technologies LLC | 10371 |
1 |
| Mitsubishi Chemical Corporation | 4526 |
1 |
| Covestro Deutschland AG | 2767 |
1 |
| DIC Corporation | 3803 |
1 |
| Toyo Ink SC Holdings Co., Ltd. | 464 |
1 |
| Toyocolor Co., Ltd. | 221 |
1 |
| BASF (China) Co., Ltd. | 844 |
1 |
| Other owners | 0 |