- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 227/28 - Preparation of compounds containing amino and carboxyl groups bound to the same carbon skeleton from natural products
Patent holdings for IPC class C07C 227/28
Total number of patents in this class: 20
10-year publication summary
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1
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1
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3
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1
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2
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2
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0
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3
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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
|
|---|---|---|
| Chugai Seiyaku Kabushiki Kaisha | 1360 |
3 |
| Ajinomoto Co., Inc. | 2292 |
2 |
| Covestro Deutschland AG | 2754 |
2 |
| Rrip, LLC | 20 |
2 |
| F. Hoffmann-La Roche AG | 7920 |
1 |
| Evonik Degussa GmbH | 1525 |
1 |
| Aekyung Chemical Co., Ltd. | 20 |
1 |
| Akzo Nobel Chemicals International B.V. | 430 |
1 |
| Arkema France | 4149 |
1 |
| Clariant International Ltd. | 937 |
1 |
| Consejo Superior de Investigaciones Cientificas (csic) | 1372 |
1 |
| The Governors of the University of Alberta | 868 |
1 |
| Huntsman International LLC | 718 |
1 |
| Technical Institute of Physics and Chemistry of the Chinese Academy of Sciences | 64 |
1 |
| AK Chemtech Co. Ltd. | 3 |
1 |
| Other owners | 0 |