- 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: 107
10-year publication summary
|
12
|
11
|
10
|
11
|
7
|
9
|
8
|
4
|
7
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Archroma IP GmbH | 461 |
7 |
| DIC Corporation | 3982 |
4 |
| Ecoflora S.A.S. | 6 |
4 |
| San-ei Gen F.f.i., Inc. | 131 |
4 |
| Icrom SpA | 7 |
3 |
| M. Technique Co., Ltd. | 252 |
3 |
| Henan Zhongda Hengyuan Biotechnology Stock Co., Ltd. | 33 |
3 |
| Kao Corporation | 5083 |
2 |
| DSM IP Assets B.V. | 5390 |
2 |
| Toray Industries, Inc. | 7143 |
2 |
| E. & J. Gallo Winery | 1972 |
2 |
| FUJIFILM Imaging Colorants Limited | 192 |
2 |
| Givaudan SA | 1983 |
2 |
| Glico Nutrition Co., Ltd. | 35 |
2 |
| University of Copenhagen | 441 |
2 |
| Wild Flavors, Inc. | 31 |
2 |
| Provepharm Life Solutions | 62 |
2 |
| Dishman Carbogen Amcis Limited | 9 |
2 |
| Chromologics ApS | 14 |
2 |
| General Electric Company | 13938 |
1 |
| Other owners | 54 |