- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 311/40 - Separation, e.g. from natural materialPurification
Patent holdings for IPC class C07D 311/40
Total number of patents in this class: 58
10-year publication summary
|
5
|
4
|
0
|
8
|
3
|
5
|
5
|
6
|
6
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hitachi Chemical Company, Ltd. | 2234 |
4 |
| Chenguang Biotech Group Co., Ltd. | 66 |
4 |
| Phyto Tech Corp., DBA Blue California | 73 |
3 |
| Hefei Lifeon Pharmaceutical Co. Ltd. | 11 |
3 |
| Askat Inc. | 49 |
2 |
| Firmenich SA | 1769 |
2 |
| Universidade Estadual de Campinas - Unicamp | 283 |
2 |
| Resonac Corporation | 3624 |
2 |
| Unilever PLC | 2981 |
1 |
| Unilever N.V. | 2895 |
1 |
| China Three Gorges University | 26 |
1 |
| Fujian Medical University | 14 |
1 |
| Hindustan Unilever Limited | 986 |
1 |
| J-oil Mills, Inc. | 423 |
1 |
| Konkuk University Industrial Cooperation Corp. | 337 |
1 |
| Kyungpook National University Industry-Academic Cooperation Foundation | 1246 |
1 |
| Lda AG | 5 |
1 |
| Liqian Shen | 1 |
1 |
| Osaka Prefecture University Public Corporation | 229 |
1 |
| Sacron Innovations Pty Limited | 1 |
1 |
| Other owners | 24 |