- All sections
- C - Chemistrymetallurgy
- C09B - Organic dyes or closely-related compounds for producing dyesmordantslakes
- C09B 67/00 - Influencing the physical, e.g. the dyeing or printing, properties of dyestuffs without chemical reaction, e.g. by treating with solventsProcess features in the making of dyestuff preparationsDyestuff preparations of a special physical nature, e.g. tablets, films
Patent holdings for IPC class C09B 67/00
Total number of patents in this class: 676
10-year publication summary
|
26
|
28
|
39
|
37
|
19
|
23
|
21
|
24
|
10
|
8
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BASF SE | 20940 |
28 |
| FUJIFILM Corporation | 29437 |
23 |
| Sirigen II Limited | 28 |
19 |
| Cabot Corporation | 551 |
16 |
| FUJIFILM Imaging Colorants Limited | 213 |
16 |
| E. I. du Pont de Nemours and Company | 4050 |
14 |
| Clariant Finance (BVI) Limited | 386 |
13 |
| Sun Chemical Corporation | 839 |
10 |
| Kao Corporation | 4967 |
9 |
| BYK-Chemie GmbH | 446 |
8 |
| DyStar Colours Distribution GmbH | 168 |
8 |
| Lubrizol Advanced Materials, Inc. | 951 |
8 |
| Sun Chemical B.V. | 363 |
8 |
| Canon Inc. | 40095 |
7 |
| Milliken & Company | 1194 |
7 |
| The Procter & Gamble Company | 22043 |
6 |
| Akzo Nobel Coatings International B.V. | 2087 |
6 |
| DIC Corporation | 3801 |
6 |
| e Ink Corporation | 1501 |
6 |
| Huntsman Advanced Materials (Switzerland) GmbH | 181 |
6 |
| Other owners | 452 |