- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 213/89 - Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members with hetero atoms directly attached to the ring nitrogen atom
Patent holdings for IPC class C07D 213/89
Total number of patents in this class: 442
10-year publication summary
|
25
|
32
|
40
|
30
|
18
|
34
|
20
|
37
|
24
|
20
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Chiesi Farmaceutici S.p.A. | 952 |
28 |
| Nippon Soda Co., Ltd. | 886 |
20 |
| Corteva Agriscience LLC | 2646 |
17 |
| Syngenta Participations AG | 1492 |
11 |
| Sumitomo Chemical Company, Limited | 8969 |
11 |
| Clariant International Ltd. | 892 |
10 |
| ChemoCentryx, Inc. | 361 |
8 |
| Merck Sharp & Dohme LLC | 3738 |
8 |
| The Regents of the University of California | 20842 |
7 |
| Syngenta Crop Protection AG | 6738 |
7 |
| Helsinn Healthcare SA | 225 |
7 |
| Saudi Arabian Oil Company | 14329 |
7 |
| Enanta Pharmaceuticals, Inc. | 424 |
6 |
| Neurocrine Biosciences, Inc. | 463 |
6 |
| Merck Patent GmbH | 5739 |
5 |
| BioTheryX, Inc. | 97 |
5 |
| Peloton Therapeutics, Inc. | 38 |
5 |
| Shionogi & Co., Ltd. | 884 |
5 |
| Wuhan Humanwell Innovative Drug Research and Development Center Limited Company | 133 |
5 |
| Shanghai Jemincare Pharmaceutical Co., Ltd | 69 |
5 |
| Other owners | 259 |