- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 253/26 - Preparation of carboxylic acid nitriles by ammoxidation of hydrocarbons or substituted hydrocarbons containing carbon-to-carbon multiple bonds, e.g. unsaturated aldehydes
Patent holdings for IPC class C07C 253/26
Total number of patents in this class: 159
10-year publication summary
|
18
|
9
|
11
|
16
|
13
|
11
|
10
|
4
|
4
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Asahi Kasei Kabushiki Kaisha | 2677 |
30 |
| INEOS Europe AG | 204 |
21 |
| China Petroleum & Chemical Corporation | 1901 |
12 |
| Shanghai Research Institute of Petrochemical Technology Sinopec | 264 |
12 |
| INEOS USA LLC | 51 |
10 |
| LG Chem, Ltd. | 17635 |
9 |
| Arkema France | 4154 |
8 |
| Asahi Kasei Chemicals Corporation | 678 |
7 |
| Mitsubishi Rayon Co., Ltd. | 907 |
6 |
| Mitsubishi Chemical Corporation | 4525 |
4 |
| Clariant International Ltd. | 932 |
4 |
| Centre National de La Recherche Scientifique | 10464 |
3 |
| Clariant Corporation | 51 |
3 |
| Ascend Performance Materials Operations LLC | 273 |
2 |
| Ecole Centrale de Lille | 51 |
2 |
| Southern Research Institute | 210 |
2 |
| The United States of America, as represented by the Secretary, Department of Health and Human Services | 2855 |
2 |
| Universite Claude Bernard Lyon 1 | 1027 |
2 |
| Evonik Degussa GmbH | 1525 |
1 |
| Rohm and Haas Company | 2880 |
1 |
| Other owners | 18 |