- All sections
- C - Chemistry; metallurgy
- C07D - Heterocyclic compounds
- C07D 307/50 - Preparation from natural products
Patent holdings for IPC class C07D 307/50
Total number of patents in this class: 319
10-year publication summary
|
33
|
35
|
32
|
34
|
30
|
18
|
14
|
10
|
8
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Shell Internationale Research Maatschappij B.V. | 3721 |
18 |
| Archer Daniels Midland Company | 1138 |
16 |
| Korea Institute of Industrial Technology | 1007 |
11 |
| BASF SE | 20387 |
10 |
| Shell Oil Company | 2155 |
9 |
| Origin Materials Operating, Inc. | 50 |
9 |
| Wisconsin Alumni Research Foundation | 3819 |
8 |
| IFP Energies Nouvelles | 2818 |
8 |
| Shell USA, Inc. | 1134 |
8 |
| Furanix Technologies B.V. | 136 |
6 |
| Micromidas, Inc. | 23 |
6 |
| Sudzucker Aktiengesellschaft | 120 |
6 |
| UPM-Kymmene Corporation | 912 |
6 |
| E. I. du Pont de Nemours and Company | 4252 |
5 |
| Mitsubishi Chemical Corporation | 4438 |
5 |
| Novamont S.p.A. | 357 |
5 |
| Avantium Knowledge Centre B.V. | 174 |
5 |
| The Regents of the University of California | 19493 |
4 |
| DSM IP Assets B.V. | 5819 |
4 |
| Annikki GmbH | 68 |
4 |
| Other owners | 166 |