- 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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4
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3
|
2
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2
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2
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4
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0
|
1
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0
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0
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Asahi Kasei Kabushiki Kaisha | 2806 |
4 |
| INEOS Europe AG | 206 |
4 |
| 3m Innovative Properties Company | 17491 |
2 |
| Uop LLC | 4330 |
2 |
| Ascend Performance Materials Operations LLC | 264 |
2 |
| Honeywell International Inc. | 12758 |
1 |
| Mitsubishi Chemical Corporation | 4665 |
1 |
| Arkema France | 4189 |
1 |
| China Petroleum & Chemical Corporation | 2095 |
1 |
| Shanghai Research Institute of Petrochemical Technology Sinopec | 264 |
1 |
| INEOS Technologies Americas LLC | 6 |
1 |
| Nouryon Chemicals International B.V. | 648 |
1 |
| Evonik Operations GmbH | 4283 |
1 |
| INVISTA North America, LLC | 148 |
1 |
| INV Nylon Chemicals Americas, LLC | 201 |
1 |
| Topsoe A/S | 1015 |
1 |
| Other owners | 0 |