- All sections
- C - Chemistrymetallurgy
- C09B - Organic dyes or closely-related compounds for producing dyesmordantslakes
- C09B 33/10 - Disazo dyes in which the coupling component is a hydroxy-amino compound in which the coupling component is an amino naphthol
Patent holdings for IPC class C09B 33/10
Total number of patents in this class: 9
10-year publication summary
|
0
|
1
|
1
|
0
|
1
|
1
|
0
|
0
|
1
|
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 | 1435 |
2 |
| Seiko Epson Corporation | 19398 |
1 |
| FUJIFILM Corporation | 29437 |
1 |
| Hodogaya Chemical Co., Ltd. | 436 |
1 |
| Ilford Imaging Switzerland GmbH | 8 |
1 |
| Polatechno Co., Ltd. | 110 |
1 |
| Rex-Tone Industries Ltd | 4 |
1 |
| Peridot Print LLC | 1287 |
1 |
| Other owners | 0 |