- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 311/21 - Sulfonamides having sulfur atoms of sulfonamide groups bound to carbon atoms of six-membered aromatic rings having the nitrogen atom of at least one of the sulfonamide groups bound to a carbon atom of a six-membered aromatic ring
Patent holdings for IPC class C07C 311/21
Total number of patents in this class: 409
10-year publication summary
|
25
|
30
|
33
|
24
|
29
|
25
|
18
|
9
|
18
|
8
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Centre National de La Recherche Scientifique | 10641 |
9 |
| Board of Regents, The University of Texas System | 5912 |
9 |
| NovoMedix, LLC | 17 |
8 |
| Allergan, Inc. | 2319 |
6 |
| The Regents of the University of Michigan | 4760 |
6 |
| The General Hospital Corporation | 4794 |
6 |
| Kancera AB | 32 |
6 |
| Ono Pharmaceutical Co., Ltd. | 428 |
6 |
| Dompé Farmaceutici S.p.A. | 274 |
5 |
| Tetraphase Pharmaceuticals, Inc. | 51 |
5 |
| Cura Therapeutics LLC | 12 |
5 |
| Grey Wolf Therapeutics Limited | 16 |
5 |
| Novartis AG | 10674 |
4 |
| Astellas Pharma Inc. | 1065 |
4 |
| Baylor College of Medicine | 967 |
4 |
| ChemoCentryx, Inc. | 378 |
4 |
| Chu Nantes | 61 |
4 |
| Institut National de La Sante et de La Recherche Medicale (inserm) | 2953 |
4 |
| Nippon Soda Co., Ltd. | 890 |
4 |
| Oryzon Genomics S.A. | 109 |
4 |
| Other owners | 301 |