- All sections
- C - Chemistry; metallurgy
- C07B - General methods of organic chemistry; apparatus therefor
- C07B 57/00 - Separation of optically-active organic compounds
Patent holdings for IPC class C07B 57/00
Total number of patents in this class: 411
10-year publication summary
|
24
|
22
|
31
|
28
|
31
|
29
|
20
|
12
|
11
|
4
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Daiichi Sankyo Company, Limited | 1829 |
19 |
| Sumitomo Chemical Company, Limited | 8808 |
15 |
| Daicel Corporation | 2128 |
12 |
| Amgen Inc. | 3779 |
9 |
| Bayer AG | 3045 |
7 |
| Kaneka Corporation | 4445 |
7 |
| API Corporation | 211 |
7 |
| Central Glass Company, Limited | 1244 |
6 |
| F. Hoffmann-La Roche AG | 7958 |
5 |
| Ajinomoto Co., Inc. | 2337 |
5 |
| BRANDEIS University | 326 |
5 |
| The Clorox Company | 973 |
5 |
| Centre National de La Recherche Scientifique | 9632 |
4 |
| Council of Scientific & Industrial Research | 1397 |
4 |
| Intra-Cellular Therapies, Inc. | 378 |
4 |
| Max-Planck-Gesellschaft zur Forderung der Wissenschaften e.V. | 1657 |
4 |
| PTC Therapeutics, Inc. | 492 |
4 |
| Tokyo University of Science Educational Foundation Administrative Organization | 114 |
4 |
| BASF SE | 19740 |
3 |
| DSM IP Assets B.V. | 5856 |
3 |
| Other owners | 279 |