- All sections
- C - Chemistrymetallurgy
- C07B - General methods of organic chemistryapparatus 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: 396
10-year publication summary
|
21
|
28
|
27
|
30
|
27
|
16
|
9
|
10
|
10
|
8
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Daiichi Sankyo Company, Limited | 1884 |
19 |
| Sumitomo Chemical Company, Limited | 9047 |
15 |
| Daicel Corporation | 2375 |
12 |
| Bayer AG | 3343 |
9 |
| Amgen Inc. | 4106 |
9 |
| Kaneka Corporation | 4566 |
7 |
| API Corporation | 224 |
7 |
| Central Glass Company, Limited | 1271 |
6 |
| F. Hoffmann-La Roche AG | 7941 |
5 |
| BRANDEIS University | 333 |
5 |
| The Clorox Company | 954 |
5 |
| Centre National de La Recherche Scientifique | 10516 |
4 |
| Council of Scientific & Industrial Research | 1436 |
4 |
| Intra-Cellular Therapies, Inc. | 410 |
4 |
| PTC Therapeutics, Inc. | 489 |
4 |
| Tokyo University of Science Educational Foundation Administrative Organization | 103 |
4 |
| Precision Pharmaceuticals, Inc. | 14 |
4 |
| BASF SE | 20979 |
3 |
| DSM IP Assets B.V. | 5581 |
3 |
| Ajinomoto Co., Inc. | 2291 |
3 |
| Other owners | 264 |