- All sections
- C - Chemistrymetallurgy
- C09B - Organic dyes or closely-related compounds for producing dyesmordantslakes
- C09B 45/28 - Disazo or polyazo compounds containing copper
Patent holdings for IPC class C09B 45/28
Total number of patents in this class: 39
10-year publication summary
|
6
|
2
|
2
|
1
|
0
|
1
|
0
|
0
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nippon Kayaku Kabushiki Kaisha | 1442 |
20 |
| Polatechno Co., Ltd. | 110 |
17 |
| FUJIFILM Corporation | 29489 |
1 |
| Peridot Print LLC | 1286 |
1 |
| Other owners | 0 |