- All sections
- C - Chemistrymetallurgy
- C09B - Organic dyes or closely-related compounds for producing dyesmordantslakes
- C09B 1/514 - N-aryl derivatives
Patent holdings for IPC class C09B 1/514
Total number of patents in this class: 12
10-year publication summary
|
0
|
0
|
0
|
2
|
2
|
0
|
1
|
1
|
0
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nippon Kayaku Kabushiki Kaisha | 1430 |
4 |
| Lanxess Deutschland GmbH | 1119 |
2 |
| DyStar Textilfarben GmbH & Co. Deutschland KG | 35 |
1 |
| Kiwa Chemical Industry Co., Ltd. | 24 |
1 |
| Menicon Co., Ltd. | 422 |
1 |
| Universitat Heidelberg | 255 |
1 |
| Pili | 17 |
1 |
| Toppan Holdings Inc. | 575 |
1 |
| Other owners | 0 |