- All sections
- C - Chemistry; metallurgy
- C09B - Organic dyes or closely-related compounds for producing dyes; mordants; lakes
- C09B 29/36 - Monoazo dyes prepared by diazotising and coupling from other coupling components from heterocyclic compounds
Patent holdings for IPC class C09B 29/36
Total number of patents in this class: 75
10-year publication summary
|
10
|
3
|
6
|
5
|
1
|
1
|
5
|
3
|
2
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 27102 |
16 |
| LG Chem, Ltd. | 17205 |
6 |
| DyStar Colours Distribution GmbH | 172 |
5 |
| Huntsman International LLC | 708 |
5 |
| Milliken & Company | 1253 |
5 |
| Clariant Finance (BVI) Limited | 427 |
3 |
| FUJIFILM Imaging Colorants Limited | 233 |
3 |
| Huntsman Advanced Materials (Switzerland) GmbH | 131 |
3 |
| Mitsubishi Chemical Corporation | 4313 |
2 |
| DyStar Colours Deutschland GmbH | 25 |
2 |
| Taiyo Yuden Co., Ltd. | 1809 |
2 |
| Samsung Display Co., Ltd. | 30585 |
1 |
| BASF SE | 19740 |
1 |
| Merck Patent GmbH | 5909 |
1 |
| Canon Inc. | 36841 |
1 |
| Hewlett-Packard Development Company, L.P. | 28538 |
1 |
| Eastman Kodak Company | 3444 |
1 |
| Funai Electric Co., Ltd. | 882 |
1 |
| Mitsubishi Rayon Co., Ltd. | 1003 |
1 |
| Mitsubishi Kagaku Media Co., Ltd. | 42 |
1 |
| Other owners | 14 |