- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 255/58 - 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
Patent holdings for IPC class C07C 255/58
Total number of patents in this class: 304
10-year publication summary
|
21
|
21
|
28
|
19
|
19
|
14
|
16
|
16
|
13
|
5
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Display Co., Ltd. | 34907 |
15 |
| Idemitsu Kosan Co., Ltd. | 4224 |
15 |
| Shaanxi Lighte Optoelectronics Material Co., Ltd. | 263 |
10 |
| Kyulux, Inc. | 234 |
8 |
| Syngenta Participations AG | 1904 |
7 |
| Bristol-myers Squibb Company | 4880 |
6 |
| The Regents of the University of California | 19961 |
6 |
| Merck Patent GmbH | 5815 |
6 |
| The Trustees of Columbia University in the City of New York | 3577 |
5 |
| E. I. du Pont de Nemours and Company | 4050 |
4 |
| Amyris, Inc. | 375 |
4 |
| Emory University | 1622 |
4 |
| Institute of Pharmacology and Toxicology Academy of Military Medical Sciences P.L.A. China | 185 |
4 |
| Universal Display Corporation | 1924 |
4 |
| PI Industries Ltd | 160 |
4 |
| AstraZeneca AB | 2892 |
3 |
| Janssen Pharmaceutica N.V. | 3394 |
3 |
| Bayer Schering Pharma AG | 384 |
3 |
| Cytokinetics, Inc. | 279 |
3 |
| Receptos LLC | 63 |
3 |
| Other owners | 187 |