- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 309/66 - Methanesulfonates
Patent holdings for IPC class C07C 309/66
Total number of patents in this class: 188
10-year publication summary
|
19
|
19
|
13
|
12
|
7
|
6
|
5
|
12
|
4
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Quadriga Biosciences, Inc. | 22 |
8 |
| Bayer Cropscience AG | 1830 |
6 |
| Shin-Etsu Chemical Co., Ltd. | 6143 |
6 |
| Daiichi Sankyo Company, Limited | 1890 |
6 |
| Ube Industries, Ltd. | 765 |
5 |
| FUJIFILM Corporation | 30689 |
4 |
| Emory University | 1727 |
4 |
| Lantheus Medical Imaging, Inc. | 165 |
4 |
| Les Laboratoires Servier | 498 |
4 |
| Vectus Biosystems Limited | 28 |
4 |
| Ube Corporation | 458 |
4 |
| Sumitomo Chemical Company, Limited | 8965 |
3 |
| Galderma Research & Development | 350 |
3 |
| Kureha Corporation | 1073 |
3 |
| medac Gesellschaft für klinische Spezialpräparate mbH | 114 |
3 |
| Tokyo Ohka Kogyo Co., Ltd. | 1556 |
3 |
| Convert Pharmaceuticals SA | 5 |
3 |
| Kronos Bio, Inc. | 46 |
3 |
| BASF SE | 21320 |
2 |
| Bayer Schering Pharma AG | 295 |
2 |
| Other owners | 108 |