- All sections
- C - Chemistry; metallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 309/66 - Methanesulfonates
Patent holdings for IPC class C07C 309/66
Total number of patents in this class: 190
10-year publication summary
|
24
|
19
|
19
|
13
|
12
|
7
|
5
|
5
|
12
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Quadriga Biosciences, Inc. | 21 |
8 |
| Daiichi Sankyo Company, Limited | 1864 |
7 |
| Bayer Cropscience AG | 2138 |
6 |
| Shin-Etsu Chemical Co., Ltd. | 5446 |
6 |
| API Corporation | 228 |
5 |
| Les Laboratoires Servier | 597 |
5 |
| Ube Industries, Ltd. | 879 |
5 |
| FUJIFILM Corporation | 28805 |
4 |
| Sumitomo Chemical Company, Limited | 8988 |
4 |
| Emory University | 1588 |
4 |
| Vectus Biosystems Limited | 35 |
4 |
| Bayer Schering Pharma AG | 429 |
3 |
| Galderma Research & Development | 417 |
3 |
| Kureha Corporation | 1026 |
3 |
| Kyoto University | 2778 |
3 |
| Lantheus Medical Imaging, Inc. | 174 |
3 |
| medac Gesellschaft für klinische Spezialpräparate mbH | 124 |
3 |
| Metabolic Solutions Development Company, LLC | 29 |
3 |
| Tokyo Ohka Kogyo Co., Ltd. | 1508 |
3 |
| Convert Pharmaceuticals SA | 6 |
3 |
| Other owners | 105 |