- All sections
- C - Chemistry; metallurgy
- C09B - Organic dyes or closely-related compounds for producing dyes; mordants; lakes
- 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
|
1
|
1
|
3
|
2
|
2
|
4
|
2
|
0
|
1
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Dai Nippon Printing Co., Ltd. | 3891 |
2 |
| Clariant Finance (BVI) Limited | 427 |
2 |
| Clariant International Ltd. | 978 |
2 |
| Lotte Advanced Materials Co., Ltd. | 434 |
2 |
| Pili | 13 |
2 |
| Canon Inc. | 36841 |
1 |
| FUJIFILM Corporation | 27102 |
1 |
| Rohm and Haas Company | 2805 |
1 |
| Dow Global Technologies LLC | 10147 |
1 |
| Mitsubishi Chemical Corporation | 4313 |
1 |
| Covestro Deutschland AG | 2429 |
1 |
| Huntsman Advanced Materials (Switzerland) GmbH | 131 |
1 |
| Huntsman International LLC | 708 |
1 |
| Kanazawa Institute of Technology | 59 |
1 |
| Menicon Co., Ltd. | 412 |
1 |
| Nippon Kayaku Kabushiki Kaisha | 1400 |
1 |
| Sekisui Chemical Co., Ltd. | 3159 |
1 |
| Soochow University | 1605 |
1 |
| University of Fukui | 77 |
1 |
| Zhangjiagang Institute of Industrial Technologies Soochow University | 175 |
1 |
| Other owners | 1 |