- All sections
- C - Chemistry; metallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 255/12 - Carboxylic acid nitriles having cyano groups bound to acyclic carbon atoms containing cyano groups and singly-bound oxygen atoms bound to the same saturated acyclic carbon skeleton containing cyano groups and hydroxy groups bound to the carbon skeleton
Patent holdings for IPC class C07C 255/12
Total number of patents in this class: 17
10-year publication summary
|
0
|
0
|
1
|
3
|
1
|
1
|
1
|
2
|
0
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Evonik Operations GmbH | 3879 |
3 |
| E. I. du Pont de Nemours and Company | 4345 |
2 |
| Daikin Industries, Ltd. | 9495 |
2 |
| Evonik Röhm GmbH | 452 |
1 |
| Sumitomo Chemical Company, Limited | 8808 |
1 |
| DSM IP Assets B.V. | 5856 |
1 |
| Showa Denko K.K. | 2539 |
1 |
| Japan Tobacco Inc. | 3225 |
1 |
| Nippoh Chemicals Co., Ltd. | 25 |
1 |
| Zhejiang Nhu Company Limited | 143 |
1 |
| Shandong Nhu Pharmaceutical Co., Ltd. | 23 |
1 |
| Beijing Ablepharmtech Co., Ltd. | 3 |
1 |
| Shandong Nhu Fine Chemical Science and Technology Company Ltd. | 13 |
1 |
| Other owners | 0 |