- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 255/59 - Carboxylic acid nitriles having cyano groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton containing cyano groups and singly-bound nitrogen atoms, not being further bound to other hetero atoms, bound to the carbon skeleton the carbon skeleton being further substituted by singly-bound oxygen atoms
Patent holdings for IPC class C07C 255/59
Total number of patents in this class: 94
10-year publication summary
|
8
|
3
|
4
|
6
|
4
|
8
|
8
|
2
|
4
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Zhejiang Huahai Pharmaceutical Co., Ltd. | 209 |
7 |
| The Regents of the University of California | 19989 |
6 |
| Amyris, Inc. | 375 |
4 |
| Mitsubishi Tanabe Pharma Corporation | 584 |
4 |
| Senomyx, Inc. | 77 |
4 |
| Gilead Sciences, Inc. | 2035 |
3 |
| Resverlogix Corp. | 56 |
3 |
| Toa Eiyo Ltd. | 29 |
3 |
| Bayer Schering Pharma AG | 384 |
2 |
| National Taiwan University | 1229 |
2 |
| National Yang-ming University | 79 |
2 |
| Shenyang Research Institute of Chemical Industry Co., Ltd. | 39 |
2 |
| Sinochem Corporation | 106 |
2 |
| Sanofi | 4077 |
2 |
| Zhejiang Huahai Licheng Pharmaceutical Co., Ltd | 6 |
2 |
| Zhejiang Huahai Zhicheng Pharmaceutical Co., Ltd | 29 |
2 |
| Gilgamesh Pharmaceuticals, Inc. | 57 |
2 |
| F. Hoffmann-La Roche AG | 7945 |
1 |
| Pfizer Inc. | 3368 |
1 |
| Merck Patent GmbH | 5812 |
1 |
| Other owners | 39 |