- All sections
- C - Chemistrymetallurgy
- C09B - Organic dyes or closely-related compounds for producing dyesmordantslakes
- C09B 56/00 - Azo dyes containing other chromophoric systems
Patent holdings for IPC class C09B 56/00
Total number of patents in this class: 26
10-year publication summary
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4
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1
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1
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1
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1
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2
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2
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3
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1
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0
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Enzo Biochem, Inc. | 106 |
5 |
| Sumitomo Chemical Company, Limited | 8992 |
2 |
| Life Technologies Corporation | 3626 |
2 |
| Spectra Colors Corp. | 6 |
2 |
| BASF SE | 21339 |
1 |
| Seiko Epson Corporation | 20575 |
1 |
| FUJIFILM Corporation | 30866 |
1 |
| Cabot Corporation | 550 |
1 |
| Dalian University of Technology | 1620 |
1 |
| Lanxess Deutschland GmbH | 1155 |
1 |
| Liquavista B.V. | 26 |
1 |
| Nippon Kayaku Kabushiki Kaisha | 1473 |
1 |
| University of Dundee | 221 |
1 |
| Zhejiang Keyong Chemical Co., Ltd. | 16 |
1 |
| Paris Sciences et Lettres - Quartier Latin | 246 |
1 |
| DFI CHEM GmbH | 2 |
1 |
| Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | 3756 |
1 |
| Zhejiang Longsheng Group Co., Ltd. | 3 |
1 |
| Shanghai Kehua Dyestuff Industry Co., Ltd. | 10 |
1 |
| Other owners | 0 |