- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 307/28 - Heterocyclic compounds containing five-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 only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to ring carbon atoms
Patent holdings for IPC class C07D 307/28
Total number of patents in this class: 97
10-year publication summary
|
9
|
1
|
10
|
9
|
7
|
3
|
7
|
4
|
1
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Eisai R&D Management Co., Ltd. | 1204 |
22 |
| Syngenta Participations AG | 1723 |
7 |
| Apeiron Synthesis S.A. | 51 |
5 |
| Archer Daniels Midland Company | 1128 |
5 |
| BASF SE | 21137 |
4 |
| Alphora Research Inc. | 25 |
4 |
| Florida State University Research Foundation, Inc. | 784 |
4 |
| University of Washington | 2386 |
4 |
| The Regents of the University of California | 20315 |
2 |
| Bedoukian Research, Inc. | 98 |
2 |
| Dr. Reddy's Laboratories Limited | 555 |
2 |
| Kuraray Co., Ltd. | 3543 |
2 |
| Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences | 179 |
2 |
| Temple University of the Commonwealth System of Higher Education | 627 |
2 |
| Oxford Drug Design Limited | 10 |
2 |
| Selection Bioscience LLC | 11 |
2 |
| Bristol-myers Squibb Company | 4821 |
1 |
| Sandoz AG | 1405 |
1 |
| Janssen Pharmaceutica N.V. | 3357 |
1 |
| Purdue Research Foundation | 3739 |
1 |
| Other owners | 22 |