- All sections
- C - Chemistry; metallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 59/255 - Tartaric acid
Patent holdings for IPC class C07C 59/255
Total number of patents in this class: 153
10-year publication summary
|
17
|
10
|
13
|
14
|
17
|
14
|
10
|
17
|
17
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Oyster Point Pharma, Inc. | 64 |
6 |
| SyneuRx International (Taiwan) Corp. | 47 |
4 |
| Sanofi | 3951 |
4 |
| Apotex Inc. | 206 |
3 |
| Integrative Research Laboratories Sweden AB | 30 |
3 |
| Shanghai Pharmaceuticals Holding Co., Ltd. | 97 |
3 |
| University Health Network | 1018 |
3 |
| Syneurx International (Taiwan) Corp. | 28 |
3 |
| Perception Neuroscience, Inc. | 13 |
3 |
| Sandoz AG | 1405 |
2 |
| Janssen Pharmaceutica N.V. | 3612 |
2 |
| Bayer AG | 3209 |
2 |
| Amgen Inc. | 3899 |
2 |
| Sumitomo Chemical Company, Limited | 8988 |
2 |
| ACADIA Pharmaceuticals Inc. | 206 |
2 |
| Actavis Group PTC ehf | 509 |
2 |
| Celgene Corporation | 1468 |
2 |
| Crystal Pharma, S.A.U. | 51 |
2 |
| Cyclacel Limited | 68 |
2 |
| Cytokinetics, Inc. | 268 |
2 |
| Other owners | 99 |