- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 315/04 - Preparation of sulfonesPreparation of sulfoxides by reactions not involving the formation of sulfone or sulfoxide groups
Patent holdings for IPC class C07C 315/04
Total number of patents in this class: 255
10-year publication summary
|
19
|
23
|
26
|
20
|
17
|
20
|
15
|
9
|
18
|
10
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sumitomo Chemical Company, Limited | 9040 |
10 |
| Kemira Oyj | 1207 |
9 |
| Amgen Inc. | 4074 |
5 |
| Central Glass Company, Limited | 1262 |
5 |
| Kappa Bioscience AS | 45 |
4 |
| Bayer AG | 3327 |
3 |
| Celgene Corporation | 1412 |
3 |
| Lek Pharmaceuticals d.d. | 205 |
3 |
| Mcmaster University | 802 |
3 |
| Soochow University | 1735 |
3 |
| Nattopharma R&D Ltd. | 3 |
3 |
| F. Hoffmann-La Roche AG | 7929 |
2 |
| 3m Innovative Properties Company | 17857 |
2 |
| Boehringer Ingelheim International GmbH | 4695 |
2 |
| Shenzhen China Star Optoelectronics Technology Co., Ltd. | 8478 |
2 |
| National Institute of Advanced Industrial Science and Technology | 3797 |
2 |
| Takeda Pharmaceutical Company Limited | 2711 |
2 |
| Amyris, Inc. | 372 |
2 |
| Changzhou Tronly Advanced Electronic Materials Co., Ltd. | 77 |
2 |
| Changzhou Tronly New Electronic Materials Co.,Ltd. | 76 |
2 |
| Other owners | 186 |