- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 309/38 - Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members with oxygen atoms directly attached to ring carbon atoms one oxygen atom in position 2 or 4, e.g. pyrones
Patent holdings for IPC class C07D 309/38
Total number of patents in this class: 88
10-year publication summary
|
8
|
4
|
7
|
7
|
4
|
4
|
3
|
3
|
2
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rutgers, The State University of New Jersey | 1975 |
6 |
| Regents of the University of Minnesota | 2785 |
4 |
| Eastman Chemical Company | 2081 |
3 |
| Provid Pharmaceuticals, Inc. | 13 |
3 |
| BASF SE | 21303 |
2 |
| Merck Patent GmbH | 5725 |
2 |
| FUJIFILM Corporation | 30512 |
2 |
| AMOREPACIFIC Corporation | 2902 |
2 |
| Emory University | 1719 |
2 |
| Iowa State University Research Foundation, Inc. | 825 |
2 |
| Pirelli Tyre S.p.A. | 1958 |
2 |
| Politecnico di Milano | 897 |
2 |
| Rheinische Friedrich-Wilhelms-Universität Bonn | 207 |
2 |
| Ultupharma AB | 11 |
2 |
| Forge Therapeutics, Inc. | 10 |
2 |
| CK Biotech Inc. | 3 |
2 |
| Novartis AG | 10263 |
1 |
| The Regents of the University of California | 20720 |
1 |
| DSM IP Assets B.V. | 5376 |
1 |
| The General Hospital Corporation | 4858 |
1 |
| Other owners | 44 |