- All sections
- C - Chemistry; metallurgy
- 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: 156
10-year publication summary
|
18
|
18
|
9
|
11
|
17
|
14
|
13
|
10
|
4
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Asahi Kasei Kabushiki Kaisha | 2429 |
31 |
| INEOS Europe AG | 188 |
21 |
| China Petroleum & Chemical Corporation | 1623 |
10 |
| INEOS USA LLC | 64 |
10 |
| Shanghai Research Institute of Petrochemical Technology Sinopec | 252 |
10 |
| LG Chem, Ltd. | 17205 |
9 |
| Arkema France | 3790 |
8 |
| Asahi Kasei Chemicals Corporation | 809 |
8 |
| Mitsubishi Rayon Co., Ltd. | 1003 |
6 |
| Mitsubishi Chemical Corporation | 4313 |
4 |
| Clariant Corporation | 45 |
4 |
| Centre National de La Recherche Scientifique | 9632 |
3 |
| Clariant International Ltd. | 978 |
3 |
| Ascend Performance Materials Operations LLC | 260 |
2 |
| Ecole Centrale de Lille | 56 |
2 |
| Southern Research Institute | 207 |
2 |
| The United States of America, as represented by the Secretary, Department of Health and Human Services | 2737 |
2 |
| Universite Claude Bernard Lyon 1 | 921 |
2 |
| Evonik Degussa GmbH | 1574 |
1 |
| BASF AG | 1258 |
1 |
| Other owners | 17 |