- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 253/18 - Preparation of carboxylic acid nitriles by reaction of ammonia or amines with compounds containing carbon-to-carbon multiple bonds other than in six-membered aromatic rings
Patent holdings for IPC class C07C 253/18
Total number of patents in this class: 25
10-year publication summary
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2
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4
|
3
|
2
|
2
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2
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4
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0
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1
|
0
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Asahi Kasei Kabushiki Kaisha | 2719 |
4 |
| INEOS Europe AG | 206 |
4 |
| 3m Innovative Properties Company | 17719 |
2 |
| Uop LLC | 4259 |
2 |
| Ascend Performance Materials Operations LLC | 277 |
2 |
| Honeywell International Inc. | 13571 |
1 |
| Mitsubishi Chemical Corporation | 4612 |
1 |
| Arkema France | 4176 |
1 |
| China Petroleum & Chemical Corporation | 1955 |
1 |
| Shanghai Research Institute of Petrochemical Technology Sinopec | 264 |
1 |
| INEOS Technologies Americas LLC | 6 |
1 |
| Nouryon Chemicals International B.V. | 614 |
1 |
| Evonik Operations GmbH | 4181 |
1 |
| INVISTA North America, LLC | 150 |
1 |
| INV Nylon Chemicals Americas, LLC | 192 |
1 |
| Topsoe A/S | 959 |
1 |
| Other owners | 0 |