- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 309/28 - Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member 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 ring carbon atoms
Patent holdings for IPC class C07D 309/28
Total number of patents in this class: 72
10-year publication summary
|
9
|
4
|
9
|
5
|
4
|
3
|
3
|
7
|
3
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Global Blood Therapeutics, Inc. | 183 |
6 |
| Takeda Pharmaceutical Company Limited | 2713 |
4 |
| Daiichi Sankyo Company, Limited | 1869 |
4 |
| BASF SE | 20933 |
3 |
| Academia Sinica | 938 |
3 |
| The Broad Institute, Inc. | 1808 |
3 |
| Cidara Therapeutics, Inc. | 70 |
3 |
| The Governors of the University of Alberta | 867 |
3 |
| Okinawa Institute of Science and Technology School Corporation | 156 |
3 |
| Valorisation Hsj, Limited Partnership | 38 |
3 |
| Bristol-myers Squibb Company | 4898 |
1 |
| Syngenta Participations AG | 1903 |
1 |
| Syngenta Crop Protection AG | 6054 |
1 |
| Syngenta Limited | 456 |
1 |
| Bayer Cropscience AG | 2035 |
1 |
| Amgen Inc. | 4074 |
1 |
| Hewlett-Packard Development Company, L.P. | 25895 |
1 |
| Mitsui Chemicals, Inc. | 3215 |
1 |
| Purdue Research Foundation | 3612 |
1 |
| Ajou University Industry-academic Cooperation Foundation | 1039 |
1 |
| Other owners | 27 |