- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 253/08 - Preparation of carboxylic acid nitriles by addition of hydrogen cyanide or salts thereof to unsaturated compounds
Patent holdings for IPC class C07C 253/08
Total number of patents in this class: 29
10-year publication summary
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1
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1
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1
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0
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2
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0
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4
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1
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0
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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
|
|---|---|---|
| Sumitomo Chemical Company, Limited | 9047 |
4 |
| Ascend Performance Materials Operations LLC | 272 |
4 |
| BASF SE | 20915 |
3 |
| President and Fellows of Harvard College | 5976 |
2 |
| Newron Pharmaceuticals S.p.A. | 61 |
2 |
| Evonik Röhm GmbH | 439 |
1 |
| Showa Denko K.K. | 2226 |
1 |
| Kaneka Corporation | 4525 |
1 |
| Henkel AG & Co. KGaA | 10574 |
1 |
| Adisseo France S.A.S. | 145 |
1 |
| Akzo Nobel Chemicals International B.V. | 432 |
1 |
| Arkema France | 4154 |
1 |
| Asahi Kasei Chemicals Corporation | 680 |
1 |
| Nippon Soda Co., Ltd. | 894 |
1 |
| Npil Pharmaceuticals (UK) Limited | 7 |
1 |
| The University of Tokyo | 4179 |
1 |
| ACatechol, Inc. | 9 |
1 |
| INVISTA North America, LLC | 152 |
1 |
| INV Nylon Chemicals Americas, LLC | 184 |
1 |
| Other owners | 0 |