- All sections
- C - Chemistrymetallurgy
- C09B - Organic dyes or closely-related compounds for producing dyesmordantslakes
- C09B 31/043 - Amino benzenes
Patent holdings for IPC class C09B 31/043
Total number of patents in this class: 59
10-year publication summary
|
7
|
6
|
6
|
0
|
3
|
0
|
4
|
4
|
2
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sumitomo Chemical Company, Limited | 8995 |
10 |
| Mitsubishi Chemical Corporation | 4466 |
9 |
| FUJIFILM Corporation | 29095 |
8 |
| BASF SE | 20636 |
4 |
| Merck Patent GmbH | 5831 |
4 |
| Mitsubishi Rayon Co., Ltd. | 928 |
3 |
| DyStar Textilfarben GmbH & Co. Deutschland KG | 39 |
3 |
| e Ink Corporation | 1471 |
3 |
| The University of Manchester | 454 |
2 |
| Council of Scientific and Industrial Research, an Indian registered Body Incorporated under The Regn. of Soc. ACT (act XXI of 1860) | 84 |
2 |
| Samsung Electronics Co., Ltd. | 142415 |
1 |
| Unilever PLC | 3250 |
1 |
| Unilever N.V. | 3151 |
1 |
| Conopco, Inc. | 4912 |
1 |
| LG Chem, Ltd. | 17479 |
1 |
| Amazon Technologies, Inc. | 26290 |
1 |
| Archroma IP GmbH | 456 |
1 |
| DIC Corporation | 3724 |
1 |
| Massachusetts Eye & Ear Infirmary | 112 |
1 |
| Nippon Kayaku Kabushiki Kaisha | 1429 |
1 |
| Other owners | 1 |