- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 219/04 - Heterocyclic compounds containing acridine or hydrogenated acridine ring systems with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to carbon atoms of the ring system
Patent holdings for IPC class C07D 219/04
Total number of patents in this class: 49
10-year publication summary
|
5
|
3
|
2
|
3
|
4
|
2
|
4
|
0
|
0
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Siemens Healthcare Diagnostics Inc. | 2044 |
5 |
| Merck Patent GmbH | 5873 |
2 |
| Dana-Farber Cancer Institute, Inc. | 2558 |
2 |
| Howard University | 189 |
2 |
| Vironova Thionation AB | 6 |
2 |
| The Board of Regents of the University of Texas System | 2204 |
2 |
| The Regents of the University of California | 19857 |
1 |
| President and Fellows of Harvard College | 5964 |
1 |
| Hamamatsu Photonics K.K. | 4403 |
1 |
| 92229129 Quebec Inc. | 5 |
1 |
| The Brigham and Women's Hospital, Inc. | 2178 |
1 |
| City of Hope | 985 |
1 |
| Colorado State University Research Foundation | 703 |
1 |
| Doosan Corporation | 435 |
1 |
| The Governors of the University of Alberta | 866 |
1 |
| HSBC Corporate Trustee Company (UK) Limited, AS Security Agent | 6 |
1 |
| Kobenhavns Universitet | 174 |
1 |
| MethylGene Inc. | 41 |
1 |
| Novaled GmbH | 439 |
1 |
| Oregon Health & Science University | 763 |
1 |
| Other owners | 20 |