- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 317/20 - Free hydroxyl or mercaptan
Patent holdings for IPC class C07D 317/20
Total number of patents in this class: 69
10-year publication summary
|
2
|
3
|
5
|
1
|
4
|
2
|
6
|
2
|
2
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Loughborough University | 98 |
4 |
| AstraZeneca AB | 2824 |
3 |
| Centre National de La Recherche Scientifique | 11059 |
3 |
| Ecole Nationale Superieure de Chimie de Paris | 62 |
3 |
| Rhodia Poliamida e Especialidades Ltda | 57 |
3 |
| Deasyl SA | 11 |
3 |
| Semiconductor Energy Laboratory Co., Ltd. | 11855 |
2 |
| F.I.S. Fabbrica Italiana Sintetici S.p.A. | 128 |
2 |
| Gfbiochemicals Limited | 50 |
2 |
| NOK Corporation | 2307 |
2 |
| Bristol-myers Squibb Company | 4757 |
1 |
| The Regents of the University of California | 20815 |
1 |
| AstraZeneca UK Limited | 523 |
1 |
| Bayer Intellectual Property GmbH | 2357 |
1 |
| Evonik Degussa GmbH | 1351 |
1 |
| Henkel AG & Co. KGaA | 10758 |
1 |
| Takeda Pharmaceutical Company Limited | 2700 |
1 |
| Korea Institute of Science and Technology | 2251 |
1 |
| Purdue Research Foundation | 3937 |
1 |
| Agricultural Research Council | 23 |
1 |
| Other owners | 32 |