- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 317/32 - Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 not condensed with other rings 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 317/32
Total number of patents in this class: 39
10-year publication summary
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1
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2
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4
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5
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2
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2
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6
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2
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3
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0
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kao Corporation | 4930 |
5 |
| BASF SE | 20501 |
4 |
| Tosoh Corporation | 1223 |
3 |
| Tosoh Finechem Corporation | 87 |
3 |
| Board of Trustees of Michigan State University | 1161 |
2 |
| National University Corporation Okayama University | 483 |
2 |
| Sagami Chemical Research Institute | 83 |
2 |
| Bristol-myers Squibb Company | 4864 |
1 |
| The Regents of the University of California | 19590 |
1 |
| Philip Morris Products S.A. | 7360 |
1 |
| FUJIFILM Corporation | 28857 |
1 |
| Daikin Industries, Ltd. | 9860 |
1 |
| The General Hospital Corporation | 4658 |
1 |
| Albemarle Corporation | 509 |
1 |
| Alla Chem, LLC | 56 |
1 |
| China Medical University | 128 |
1 |
| Enanta Pharmaceuticals, Inc. | 427 |
1 |
| Fresenius Kabi Oncology Limited | 65 |
1 |
| Modernatx, Inc. | 1204 |
1 |
| Pfizer Products Inc. | 361 |
1 |
| Other owners | 5 |