- 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: 80
10-year publication summary
|
15
|
1
|
1
|
7
|
3
|
5
|
13
|
6
|
6
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Corteva Agriscience LLC | 2641 |
13 |
| Syngenta Crop Protection AG | 6713 |
10 |
| Syngenta Participations AG | 1513 |
7 |
| Sitryx Therapeutics Limited | 47 |
7 |
| XENIOPRO GmbH | 16 |
6 |
| Mitsui Chemicals, Inc. | 3253 |
4 |
| Cytokinetics, Inc. | 251 |
3 |
| PI Industries Ltd | 200 |
3 |
| F. Hoffmann-La Roche AG | 7815 |
2 |
| Hoffmann-La Roche Inc. | 3815 |
2 |
| Bayer Cropscience AG | 1836 |
2 |
| Dow AgroSciences LLC | 1184 |
2 |
| W. L. Gore & Associates, Inc. | 2716 |
2 |
| Wuhan Humanwell Innovative Drug Research and Development Center Limited Company | 133 |
2 |
| BASF SE | 21310 |
1 |
| Syngenta Crop Protection, LLC | 189 |
1 |
| Sumitomo Chemical Company, Limited | 8963 |
1 |
| Achaogen, Inc. | 52 |
1 |
| Chia Tai Tianqing Pharmaceutical Group Co., Ltd. | 777 |
1 |
| China Petroleum & Chemical Corporation | 2160 |
1 |
| Other owners | 9 |