- 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: 262
10-year publication summary
|
23
|
26
|
20
|
17
|
20
|
15
|
10
|
21
|
13
|
8
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kemira Oyj | 1258 |
11 |
| Sumitomo Chemical Company, Limited | 9016 |
10 |
| Amgen Inc. | 4427 |
5 |
| Central Glass Company, Limited | 1293 |
5 |
| Kappa Bioscience AS | 42 |
4 |
| Boehringer Ingelheim International GmbH | 4493 |
3 |
| Bayer AG | 3501 |
3 |
| Celgene Corporation | 1410 |
3 |
| Lek Pharmaceuticals d.d. | 181 |
3 |
| Soochow University | 1781 |
3 |
| Nattopharma R&D Ltd. | 3 |
3 |
| 3m Innovative Properties Company | 17478 |
2 |
| Syngenta Crop Protection AG | 6701 |
2 |
| Shenzhen China Star Optoelectronics Technology Co., Ltd. | 8471 |
2 |
| National Institute of Advanced Industrial Science and Technology | 3794 |
2 |
| Takeda Pharmaceutical Company Limited | 2712 |
2 |
| ADAMA Agan Ltd. | 444 |
2 |
| Amyris, Inc. | 372 |
2 |
| Arcus Biosciences, Inc. | 164 |
2 |
| Changzhou Tronly Advanced Electronic Materials Co., Ltd. | 88 |
2 |
| Other owners | 191 |