- 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: 27
10-year publication summary
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3
|
2
|
2
|
4
|
2
|
0
|
1
|
2
|
4
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nippon Kayaku Kabushiki Kaisha | 1471 |
4 |
| Dai Nippon Printing Co., Ltd. | 4263 |
2 |
| Lotte Advanced Materials Co., Ltd. | 398 |
2 |
| Canon Inc. | 44222 |
1 |
| Rohm and Haas Company | 2943 |
1 |
| Dow Global Technologies LLC | 11029 |
1 |
| Mitsubishi Chemical Corporation | 4742 |
1 |
| Covestro Deutschland AG | 2852 |
1 |
| Huntsman Advanced Materials (Switzerland) GmbH | 170 |
1 |
| Huntsman International LLC | 692 |
1 |
| Kanazawa Institute of Technology | 68 |
1 |
| Menicon Co., Ltd. | 435 |
1 |
| Sekisui Chemical Co., Ltd. | 3638 |
1 |
| Soochow University | 1787 |
1 |
| Taiyo Holdings Co., Ltd. | 328 |
1 |
| University of Fukui | 95 |
1 |
| University of Leeds | 288 |
1 |
| Zhangjiagang Institute of Industrial Technologies Soochow University | 175 |
1 |
| Arimoto Chemical Co.,Ltd. | 2 |
1 |
| Pili | 21 |
1 |
| Other owners | 2 |