- 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: 60
10-year publication summary
|
6
|
6
|
0
|
3
|
0
|
4
|
4
|
2
|
0
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sumitomo Chemical Company, Limited | 8968 |
10 |
| Mitsubishi Chemical Corporation | 4734 |
9 |
| FUJIFILM Corporation | 30594 |
8 |
| BASF SE | 21306 |
4 |
| Merck Patent GmbH | 5735 |
4 |
| Mitsubishi Rayon Co., Ltd. | 851 |
3 |
| DyStar Textilfarben GmbH & Co. Deutschland KG | 12 |
3 |
| e Ink Corporation | 1556 |
3 |
| The University of Manchester | 455 |
2 |
| Council of Scientific and Industrial Research, an Indian registered Body Incorporated under The Regn. of Soc. ACT (act XXI of 1860) | 93 |
2 |
| Samsung Electronics Co., Ltd. | 158442 |
1 |
| Unilever PLC | 2985 |
1 |
| Unilever N.V. | 2899 |
1 |
| Conopco, Inc. | 5092 |
1 |
| LG Chem, Ltd. | 17950 |
1 |
| Amazon Technologies, Inc. | 28193 |
1 |
| Archroma IP GmbH | 461 |
1 |
| Cabot Corporation | 542 |
1 |
| DIC Corporation | 3974 |
1 |
| Massachusetts Eye & Ear Infirmary | 93 |
1 |
| Other owners | 2 |