- 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: 355
10-year publication summary
|
41
|
29
|
34
|
19
|
21
|
20
|
14
|
11
|
11
|
6
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Boehringer Ingelheim International GmbH | 4646 |
9 |
| Bayer Cropscience AG | 2015 |
9 |
| Merck Patent GmbH | 5768 |
8 |
| Sumitomo Chemical Company, Limited | 9047 |
8 |
| Enanta Pharmaceuticals, Inc. | 429 |
8 |
| Takeda Pharmaceutical Company Limited | 2706 |
7 |
| The United States of America, as represented by the Secretary, Department of Health and Human Services | 2871 |
7 |
| F. Hoffmann-La Roche AG | 7947 |
6 |
| The Regents of the University of California | 20087 |
6 |
| Bayer AG | 3346 |
6 |
| FUJIFILM Corporation | 29586 |
6 |
| Sanofi | 4093 |
6 |
| Nitto Denko Corporation | 8295 |
5 |
| Kemira Oyj | 1212 |
5 |
| Nihon Nohyaku Co., Ltd. | 327 |
5 |
| Pitney Pharmaceuticals Pty Limited | 19 |
5 |
| The Salk Institute for Biological Studies | 447 |
5 |
| Lead Pharma Holding B.V. | 21 |
5 |
| Xwpharma Ltd. | 58 |
5 |
| Allergan, Inc. | 2337 |
4 |
| Other owners | 230 |