- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 253/24 - Preparation of carboxylic acid nitriles by ammoxidation of hydrocarbons or substituted hydrocarbons
Patent holdings for IPC class C07C 253/24
Total number of patents in this class: 116
10-year publication summary
|
8
|
4
|
7
|
9
|
6
|
7
|
5
|
5
|
7
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Asahi Kasei Chemicals Corporation | 684 |
30 |
| Asahi Kasei Kabushiki Kaisha | 2640 |
28 |
| INEOS Europe AG | 204 |
15 |
| INEOS USA LLC | 51 |
7 |
| Ascend Performance Materials Operations LLC | 271 |
6 |
| LG Chem, Ltd. | 17564 |
4 |
| Rohm and Haas Company | 2910 |
3 |
| INV Nylon Chemicals Americas, LLC | 183 |
3 |
| Arkema France | 4015 |
2 |
| INVISTA Textiles (U.K.) Limited | 255 |
2 |
| Snu R&db Foundation | 581 |
2 |
| Evonik Degussa GmbH | 1540 |
1 |
| California Institute of Technology | 3969 |
1 |
| Mitsubishi Rayon Co., Ltd. | 918 |
1 |
| Asahi Kasei Kabushiki Kaisha | 2 |
1 |
| China Petroleum & Chemical Corporation | 1874 |
1 |
| Clariant Produkte (Deutschland) GmbH | 259 |
1 |
| Consejo Superior de Investigaciones Cientificas | 886 |
1 |
| Karlsruher Institut fur Technologie | 379 |
1 |
| Shanghai Research Institute of Petrochemical Technology Sinopec | 264 |
1 |
| Other owners | 5 |