- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 311/03 - Sulfonamides having sulfur atoms of sulfonamide groups bound to acyclic carbon atoms of an acyclic saturated carbon skeleton having the nitrogen atoms of the sulfonamide groups bound to hydrogen atoms or to acyclic carbon atoms
Patent holdings for IPC class C07C 311/03
Total number of patents in this class: 73
10-year publication summary
|
7
|
3
|
4
|
4
|
2
|
4
|
7
|
1
|
4
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Vectus Biosystems Limited | 35 |
6 |
| Mitsubishi Materials Corporation | 2449 |
3 |
| Mitsubishi Materials Electronic Chemicals Co., Ltd. | 131 |
3 |
| SES Holdings Pte. Ltd | 62 |
3 |
| F. Hoffmann-La Roche AG | 7947 |
2 |
| 3m Innovative Properties Company | 17823 |
2 |
| Syngenta Participations AG | 1904 |
2 |
| FUJIFILM Corporation | 29437 |
2 |
| DSM IP Assets B.V. | 5585 |
2 |
| Academisch Ziekenhuis Groningen | 118 |
2 |
| Dompé Farmaceutici S.p.A. | 266 |
2 |
| National Institute of Biological Sciences, Beijing | 99 |
2 |
| Nyken Holding B.V. | 3 |
2 |
| Rijksuniversiteit Groningen | 291 |
2 |
| Sumitomo Seika Chemicals Co., Ltd. | 1043 |
2 |
| Bristol-myers Squibb Company | 4880 |
1 |
| Genentech, Inc. | 3976 |
1 |
| E. I. du Pont de Nemours and Company | 4050 |
1 |
| AstraZeneca AB | 2892 |
1 |
| AstraZeneca UK Limited | 637 |
1 |
| Other owners | 31 |