- All sections
- C - Chemistrymetallurgy
- C09B - Organic dyes or closely-related compounds for producing dyesmordantslakes
- C09B 67/54 - SeparationPurification
Patent holdings for IPC class C09B 67/54
Total number of patents in this class: 102
10-year publication summary
|
3
|
11
|
11
|
9
|
11
|
7
|
9
|
7
|
4
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Archroma IP GmbH | 461 |
7 |
| DIC Corporation | 3802 |
4 |
| Ecoflora S.A.S. | 6 |
4 |
| San-ei Gen F.f.i., Inc. | 133 |
4 |
| Icrom SpA | 7 |
3 |
| M. Technique Co., Ltd. | 248 |
3 |
| BASF SE | 20915 |
2 |
| Kao Corporation | 4962 |
2 |
| DSM IP Assets B.V. | 5590 |
2 |
| E. & J. Gallo Winery | 1977 |
2 |
| FUJIFILM Imaging Colorants Limited | 216 |
2 |
| Givaudan SA | 1878 |
2 |
| Glico Nutrition Co., Ltd. | 35 |
2 |
| University of Copenhagen | 411 |
2 |
| Wild Flavors, Inc. | 32 |
2 |
| Provepharm Life Solutions | 63 |
2 |
| Henan Zhongda Hengyuan Biotechnology Stock Co., Ltd. | 28 |
2 |
| Dishman Carbogen Amcis Limited | 9 |
2 |
| Chromologics ApS | 14 |
2 |
| American BioProcess Limitada | 6 |
2 |
| Other owners | 49 |