- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 421/10 - Heterocyclic compounds containing two or more hetero rings, at least one ring having selenium, tellurium, or halogen atoms as ring hetero atoms containing two hetero rings linked by a carbon chain containing aromatic rings
Patent holdings for IPC class C07D 421/10
Total number of patents in this class: 20
10-year publication summary
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0
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1
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2
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0
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2
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0
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3
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3
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0
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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
|
|---|---|---|
| Universal Display Corporation | 2088 |
7 |
| Atom Bioscience and Pharmaceutical Co., Ltd. | 4 |
3 |
| DuPont Specialty Materials Korea Ltd. | 305 |
2 |
| Samsung Display Co., Ltd. | 38676 |
1 |
| Korea Institute of Science and Technology | 2248 |
1 |
| Gracel Display Inc. | 18 |
1 |
| Luminescence Technology Corporation | 30 |
1 |
| Rohm and Haas Electronic Materials Korea Ltd. | 332 |
1 |
| Jiangsu Atom Bioscience and Pharmaceutical Co., Ltd. | 30 |
1 |
| University of Chinese Academy of Sciences | 47 |
1 |
| Jiangsu Sunera Technology Co.,Ltd | 71 |
1 |
| Other owners | 0 |