- All sections
- C - Chemistrymetallurgy
- C09B - Organic dyes or closely-related compounds for producing dyesmordantslakes
- C09B 31/068 - Naphthols
Patent holdings for IPC class C09B 31/068
Total number of patents in this class: 9
10-year publication summary
|
2
|
3
|
1
|
0
|
1
|
0
|
1
|
0
|
0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| United Color Manufacturing, Inc. | 23 |
5 |
| Milliken & Company | 1149 |
1 |
| Nippon Kayaku Kabushiki Kaisha | 1471 |
1 |
| Polatechno Co., Ltd. | 107 |
1 |
| Ecole Superieure des Industries du Textile et de L'habillement (esith) | 10 |
1 |
| Other owners | 0 |