- All sections
- C - Chemistry; metallurgy
- C09B - Organic dyes or closely-related compounds for producing dyes; mordants; lakes
- C09B 29/033 - Monoazo dyes prepared by diazotising and coupling characterised by the diazo component from diazotised amines containing a heterocyclic ring
Patent holdings for IPC class C09B 29/033
Total number of patents in this class: 61
10-year publication summary
|
16
|
6
|
5
|
2
|
3
|
1
|
3
|
2
|
1
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 27102 |
7 |
| The Procter & Gamble Company | 22178 |
6 |
| Milliken & Company | 1253 |
6 |
| 3m Innovative Properties Company | 18406 |
5 |
| Conopco, Inc. | 4644 |
2 |
| Mitsubishi Rayon Co., Ltd. | 1003 |
2 |
| Mitsubishi Chemical Corporation | 4313 |
2 |
| DyStar Colours Deutschland GmbH | 25 |
2 |
| FUJIFILM Imaging Colorants Limited | 233 |
2 |
| Huntsman International LLC | 708 |
2 |
| Kao Germany GmbH | 261 |
2 |
| Kolon Industries, Inc. | 1506 |
2 |
| Qingdao University | 35 |
2 |
| Penglai Jiaxin Dye Chemical Co., LTD | 2 |
2 |
| Samsung Display Co., Ltd. | 30585 |
1 |
| Unilever PLC | 3540 |
1 |
| Unilever N.V. | 3440 |
1 |
| LG Chem, Ltd. | 17205 |
1 |
| Sony Corporation | 32931 |
1 |
| Merck Patent GmbH | 5909 |
1 |
| Other owners | 11 |