- 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: 103
10-year publication summary
3
|
12
|
11
|
10
|
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 | 459 |
7 |
DIC Corporation | 3770 |
4 |
Ecoflora S.A.S. | 6 |
4 |
San-ei Gen F.f.i., Inc. | 133 |
4 |
Icrom SpA | 7 |
3 |
M. Technique Co., Ltd. | 247 |
3 |
BASF SE | 20874 |
2 |
Kao Corporation | 4952 |
2 |
DSM IP Assets B.V. | 5601 |
2 |
E. & J. Gallo Winery | 1989 |
2 |
FUJIFILM Imaging Colorants Limited | 218 |
2 |
Givaudan SA | 1856 |
2 |
Glico Nutrition Co., Ltd. | 35 |
2 |
University of Copenhagen | 412 |
2 |
Wild Flavors, Inc. | 32 |
2 |
Provepharm Life Solutions | 63 |
2 |
Henan Zhongda Hengyuan Biotechnology Stock Co., Ltd. | 27 |
2 |
Dishman Carbogen Amcis Limited | 9 |
2 |
Chromologics ApS | 14 |
2 |
American BioProcess Limitada | 6 |
2 |
Other owners | 50 |