- All sections
- C - Chemistrymetallurgy
- C09B - Organic dyes or closely-related compounds for producing dyesmordantslakes
- C09B 31/08 - Disazo dyes from a coupling component "C" containing directive hydroxy and amino groups
Patent holdings for IPC class C09B 31/08
Total number of patents in this class: 49
10-year publication summary
|
2
|
1
|
2
|
0
|
3
|
1
|
2
|
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 |
13 |
| Nitto Denko Corporation | 8253 |
11 |
| Polatechno Co., Ltd. | 110 |
11 |
| Unilever PLC | 3187 |
2 |
| Unilever N.V. | 3096 |
2 |
| Milliken & Company | 1194 |
2 |
| 3m Innovative Properties Company | 17823 |
1 |
| Conopco, Inc. | 5040 |
1 |
| BASF SE | 20940 |
1 |
| FUJIFILM Corporation | 29437 |
1 |
| Hindustan Unilever Limited | 1169 |
1 |
| Ilford Imaging Switzerland GmbH | 8 |
1 |
| Rex-Tone Industries Ltd | 4 |
1 |
| Peridot Print LLC | 1287 |
1 |
| Other owners | 0 |