- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 317/44 - SulfonesSulfoxides having sulfone or sulfoxide groups and carboxyl groups bound to the same carbon skeleton
Patent holdings for IPC class C07C 317/44
Total number of patents in this class: 351
10-year publication summary
|
46
|
33
|
37
|
21
|
23
|
22
|
15
|
15
|
12
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Bayer Cropscience AG | 2042 |
9 |
| Boehringer Ingelheim International GmbH | 4665 |
8 |
| Merck Patent GmbH | 5828 |
8 |
| Sumitomo Chemical Company, Limited | 9046 |
8 |
| Enanta Pharmaceuticals, Inc. | 428 |
8 |
| Takeda Pharmaceutical Company Limited | 2714 |
7 |
| The United States of America, as represented by the Secretary, Department of Health and Human Services | 2847 |
7 |
| F. Hoffmann-La Roche AG | 7930 |
6 |
| The Regents of the University of California | 19887 |
6 |
| FUJIFILM Corporation | 29329 |
6 |
| Sanofi | 4040 |
6 |
| Bayer AG | 3332 |
5 |
| Nitto Denko Corporation | 8217 |
5 |
| Nihon Nohyaku Co., Ltd. | 327 |
5 |
| Pitney Pharmaceuticals Pty Limited | 19 |
5 |
| The Salk Institute for Biological Studies | 445 |
5 |
| Xwpharma Ltd. | 57 |
5 |
| Allergan, Inc. | 2350 |
4 |
| Duke University | 3065 |
4 |
| AgroFresh Inc | 148 |
4 |
| Other owners | 230 |