- All sections
- C - Chemistry; metallurgy
- C09B - Organic dyes or closely-related compounds for producing dyes; mordants; lakes
- C09B 67/00 - Influencing the physical, e.g. the dyeing or printing, properties of dyestuffs without chemical reaction, e.g. by treating with solvents; Process features in the making of dyestuff preparations; Dyestuff 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: 700
10-year publication summary
|
38
|
28
|
30
|
39
|
37
|
20
|
20
|
21
|
19
|
3
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BASF SE | 19740 |
29 |
| FUJIFILM Corporation | 27102 |
22 |
| Sirigen II Limited | 28 |
18 |
| Cabot Corporation | 575 |
17 |
| FUJIFILM Imaging Colorants Limited | 233 |
17 |
| Clariant Finance (BVI) Limited | 427 |
15 |
| E. I. du Pont de Nemours and Company | 4345 |
14 |
| DyStar Colours Distribution GmbH | 172 |
11 |
| Sun Chemical Corporation | 865 |
10 |
| Kao Corporation | 4843 |
9 |
| Lubrizol Advanced Materials, Inc. | 949 |
9 |
| Milliken & Company | 1253 |
8 |
| Canon Inc. | 36841 |
7 |
| PPG Industries Ohio, Inc. | 3430 |
7 |
| BYK-Chemie GmbH | 437 |
7 |
| Clariant International Ltd. | 978 |
7 |
| Huntsman Advanced Materials (Switzerland) GmbH | 131 |
7 |
| Sun Chemical B.V. | 351 |
7 |
| The Procter & Gamble Company | 22178 |
6 |
| Akzo Nobel Coatings International B.V. | 2185 |
6 |
| Other owners | 467 |