- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 421/12 - 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 chain containing hetero atoms as chain links
Patent holdings for IPC class C07D 421/12
Total number of patents in this class: 35
10-year publication summary
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2
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3
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2
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2
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2
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6
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2
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2
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3
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4
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| UCB Pharma GmbH | 80 |
6 |
| Samsung Electronics Co., Ltd. | 157719 |
2 |
| Glaxosmithkline Intellectual Property Development Limited | 778 |
2 |
| The University of North Carolina at Chapel Hill | 2094 |
2 |
| Hangzhou Jennifer Biotech Co., Ltd. | 5 |
2 |
| Aigen Sciences Inc. | 4 |
2 |
| Bristol-myers Squibb Company | 4742 |
1 |
| Samsung Display Co., Ltd. | 38627 |
1 |
| Idemitsu Kosan Co., Ltd. | 4235 |
1 |
| CalciMedica, Inc. | 92 |
1 |
| Dalian Chromas Bioscience Co., Ltd. | 10 |
1 |
| Dalian University of Technology | 1594 |
1 |
| Guangdong Aglaia Optoelectronic Materials Co., Ltd. | 178 |
1 |
| Huazhong University of Science and Technology | 1126 |
1 |
| Industry-Academia Cooperation Group of Sejong University | 137 |
1 |
| Ludwig-Maximilians-Universitat Munchen | 345 |
1 |
| Medshine Discovery Inc. | 587 |
1 |
| Samsung Life Public Welfare Foundation | 744 |
1 |
| South China Agricultural University | 153 |
1 |
| Suzhou Kintor Pharmaceuticals, Inc. | 64 |
1 |
| Other owners | 5 |