- 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: 119
10-year publication summary
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4
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7
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9
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6
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7
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5
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5
|
8
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1
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Asahi Kasei Kabushiki Kaisha | 2871 |
30 |
| Asahi Kasei Chemicals Corporation | 541 |
29 |
| INEOS Europe AG | 215 |
15 |
| INEOS USA LLC | 49 |
7 |
| Ascend Performance Materials Operations LLC | 267 |
6 |
| LG Chem, Ltd. | 17978 |
4 |
| Rohm and Haas Company | 2941 |
3 |
| INVISTA Textiles (U.K.) Limited | 271 |
3 |
| INV Nylon Chemicals Americas, LLC | 203 |
3 |
| Arkema France | 4230 |
2 |
| Snu R&db Foundation | 579 |
2 |
| Evonik Operations GmbH | 4430 |
2 |
| Topsoe A/S | 1074 |
2 |
| Evonik Degussa GmbH | 1343 |
1 |
| California Institute of Technology | 4045 |
1 |
| Mitsubishi Rayon Co., Ltd. | 845 |
1 |
| Asahi Kasei Kabushiki Kaisha | 2 |
1 |
| China Petroleum & Chemical Corporation | 2185 |
1 |
| Clariant Produkte (Deutschland) GmbH | 206 |
1 |
| Consejo Superior de Investigaciones Cientificas | 798 |
1 |
| Other owners | 4 |