- All sections
- C - Chemistrymetallurgy
- C09B - Organic dyes or closely-related compounds for producing dyesmordantslakes
- C09B 1/32 - Dyes with amino groups substituted by hydrocarbon radicals substituted by aryl groups
Patent holdings for IPC class C09B 1/32
Total number of patents in this class: 26
10-year publication summary
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1
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3
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2
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2
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3
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2
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0
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1
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2
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3
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Dai Nippon Printing Co., Ltd. | 4098 |
2 |
| Nippon Kayaku Kabushiki Kaisha | 1438 |
2 |
| Lotte Advanced Materials Co., Ltd. | 405 |
2 |
| Canon Inc. | 40165 |
1 |
| FUJIFILM Corporation | 29458 |
1 |
| Rohm and Haas Company | 2884 |
1 |
| Dow Global Technologies LLC | 10371 |
1 |
| Mitsubishi Chemical Corporation | 4526 |
1 |
| Covestro Deutschland AG | 2767 |
1 |
| Huntsman Advanced Materials (Switzerland) GmbH | 182 |
1 |
| Huntsman International LLC | 721 |
1 |
| Kanazawa Institute of Technology | 61 |
1 |
| Menicon Co., Ltd. | 424 |
1 |
| Sekisui Chemical Co., Ltd. | 3436 |
1 |
| Soochow University | 1739 |
1 |
| Taiyo Holdings Co., Ltd. | 278 |
1 |
| University of Fukui | 86 |
1 |
| University of Leeds | 285 |
1 |
| Zhangjiagang Institute of Industrial Technologies Soochow University | 175 |
1 |
| Flexterra, Inc. | 127 |
1 |
| Other owners | 3 |