• 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: 95

10-year publication summary

8
3
5
6
4
8
10
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.
208
7
The Regents of the University of California
19887
6
Amyris, Inc.
373
4
Mitsubishi Tanabe Pharma Corporation
579
4
Senomyx, Inc.
78
4
Gilead Sciences, Inc.
2036
3
Resverlogix Corp.
56
3
Toa Eiyo Ltd.
29
3
Gilgamesh Pharmaceuticals, Inc.
56
3
Bayer Schering Pharma AG
389
2
National Taiwan University
1218
2
National Yang-ming University
79
2
Shenyang Research Institute of Chemical Industry Co., Ltd.
39
2
Sinochem Corporation
106
2
Sanofi
4040
2
Zhejiang Huahai Licheng Pharmaceutical Co., Ltd
6
2
Zhejiang Huahai Zhicheng Pharmaceutical Co., Ltd
29
2
F. Hoffmann-La Roche AG
7930
1
Pfizer Inc.
3374
1
Merck Patent GmbH
5828
1
Other owners 39