- All sections
- C - Chemistry; metallurgy
- C07D - Heterocyclic compounds
- C07D 307/08 - Preparation of tetrahydrofuran
Patent holdings for IPC class C07D 307/08
Total number of patents in this class: 126
10-year publication summary
|
16
|
14
|
9
|
9
|
8
|
3
|
4
|
2
|
4
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BASF SE | 20387 |
14 |
| Mitsubishi Chemical Corporation | 4438 |
10 |
| Shell Internationale Research Maatschappij B.V. | 3721 |
5 |
| Shell Oil Company | 2155 |
5 |
| Mitsubishi Rayon Co., Ltd. | 949 |
5 |
| Archer Daniels Midland Company | 1138 |
5 |
| BASF Corporation | 1822 |
4 |
| Virent, Inc. | 118 |
4 |
| Shell USA, Inc. | 1134 |
4 |
| The Regents of the University of California | 19493 |
3 |
| E. I. du Pont de Nemours and Company | 4252 |
3 |
| BioAmber International S.a.r.l. | 7 |
3 |
| CJ Cheiljedang Corporation | 3244 |
3 |
| INVISTA Technologies S.a.r.l. | 428 |
3 |
| Corteva Agriscience LLC | 2680 |
3 |
| Wisconsin Alumni Research Foundation | 3819 |
2 |
| BASF Japan Ltd. | 17 |
2 |
| BioAmber Inc. | 28 |
2 |
| Conser SpA | 14 |
2 |
| Council of Scientific & Industrial Research | 1407 |
2 |
| Other owners | 42 |