- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 331/04 - Four-membered rings
Patent holdings for IPC class C07D 331/04
Total number of patents in this class: 78
10-year publication summary
|
14
|
1
|
1
|
5
|
2
|
5
|
12
|
6
|
5
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Corteva Agriscience LLC | 2652 |
13 |
| Syngenta Crop Protection AG | 6375 |
9 |
| Syngenta Participations AG | 1621 |
7 |
| Sitryx Therapeutics Limited | 43 |
7 |
| XENIOPRO GmbH | 16 |
6 |
| Mitsui Chemicals, Inc. | 3224 |
4 |
| Cytokinetics, Inc. | 263 |
3 |
| PI Industries Ltd | 179 |
3 |
| F. Hoffmann-La Roche AG | 7882 |
2 |
| Hoffmann-La Roche Inc. | 3640 |
2 |
| Bayer Cropscience AG | 1936 |
2 |
| Dow AgroSciences LLC | 1207 |
2 |
| W. L. Gore & Associates, Inc. | 2715 |
2 |
| Wuhan Humanwell Innovative Drug Research and Development Center Limited Company | 134 |
2 |
| BASF SE | 21131 |
1 |
| Syngenta Crop Protection, LLC | 189 |
1 |
| Sumitomo Chemical Company, Limited | 9064 |
1 |
| Achaogen, Inc. | 52 |
1 |
| Chia Tai Tianqing Pharmaceutical Group Co., Ltd. | 736 |
1 |
| China Petroleum & Chemical Corporation | 2014 |
1 |
| Other owners | 8 |