- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 311/90 - Xanthenes with hydrocarbon radicals, substituted by amino radicals, directly attached in position 9
Patent holdings for IPC class C07D 311/90
Total number of patents in this class: 64
10-year publication summary
|
6
|
6
|
6
|
3
|
4
|
0
|
3
|
3
|
2
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Life Technologies Corporation | 3389 |
7 |
| AAT Bioquest, Inc. | 38 |
5 |
| Merck Patent GmbH | 5669 |
4 |
| Agilent Technologies, Inc. | 2648 |
4 |
| University of Georgia Research Foundation, Inc. | 1067 |
4 |
| The University of Tokyo | 4331 |
3 |
| on Target Laboratories, Inc. | 28 |
3 |
| LG Chem, Ltd. | 17867 |
2 |
| Deutsches Krebsforschungszentrum | 401 |
2 |
| Osaka University | 3297 |
2 |
| Shenzhen Institutes of Advanced Technology | 1517 |
2 |
| WisTa Laboratories Ltd. | 129 |
2 |
| Bristol-myers Squibb Company | 4815 |
1 |
| Johnson & Johnson Vision Care, Inc. | 1178 |
1 |
| The Johns Hopkins University | 5829 |
1 |
| The Trustees of the University of Pennsylvania | 4406 |
1 |
| Agency for Science, Technology and Research | 3697 |
1 |
| Purdue Research Foundation | 3861 |
1 |
| Carnegie Mellon University | 1607 |
1 |
| Forschungszentrum Julich GmbH | 633 |
1 |
| Other owners | 16 |