- All sections
- C - Chemistrymetallurgy
- C09B - Organic dyes or closely-related compounds for producing dyesmordantslakes
- C09B 67/16 - Influencing the physical properties by treatment with an acid of phthalocyanines
Patent holdings for IPC class C09B 67/16
Total number of patents in this class: 19
10-year publication summary
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1
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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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1
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1
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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
|
|---|---|---|
| M. Technique Co., Ltd. | 248 |
4 |
| Mitsubishi Chemical Corporation | 4525 |
2 |
| DIC Corporation | 3801 |
2 |
| BASF SE | 20940 |
1 |
| Hewlett-Packard Development Company, L.P. | 25864 |
1 |
| FUJIFILM Corporation | 29437 |
1 |
| Holland Colours N.V. | 33 |
1 |
| Sensient Colors Inc. | 20 |
1 |
| Sensient Colors LLC | 70 |
1 |
| Solvay SA | 987 |
1 |
| Toyo Ink SC Holdings Co., Ltd. | 464 |
1 |
| Toyocolor Co., Ltd. | 220 |
1 |
| Hewelt-packard Development Company, L.P. | 1 |
1 |
| Shaoxing Sihuier New Materials Co., Ltd. | 1 |
1 |
| Other owners | 0 |