- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 271/54 - Esters of carbamic acids having oxygen atoms of carbamate groups bound to carbon atoms of six-membered aromatic rings with the nitrogen atoms of the carbamate groups bound to hydrogen atoms or to acyclic carbon atoms to carbon atoms of hydrocarbon radicals substituted by carboxyl groups
Patent holdings for IPC class C07C 271/54
Total number of patents in this class: 35
10-year publication summary
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2
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1
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1
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3
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0
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5
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2
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2
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3
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2
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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 Chemicals Corporation | 657 |
4 |
| London Pharmaceuticals and Research Corporation | 25 |
3 |
| The Regents of the University of Michigan | 4751 |
2 |
| Asahi Kasei Kabushiki Kaisha | 2698 |
2 |
| Eastern Michigan University | 31 |
2 |
| Grünenthal GmbH | 565 |
2 |
| Lacer, S.A. | 40 |
2 |
| Firstlight Pharmaceuticals LLC | 4 |
2 |
| Allianthera Boston Inc. | 10 |
2 |
| Allianthera (Suzhou) Biopharmaceutical Co., Ltd. | 11 |
2 |
| Bristol-myers Squibb Company | 4849 |
1 |
| The General Hospital Corporation | 4770 |
1 |
| JSR Corporation | 2532 |
1 |
| Concentric Analgesics, Inc. | 23 |
1 |
| Kyoto University | 2828 |
1 |
| Shire LLC | 44 |
1 |
| Sigma-Tau Industrie Farmaceutiche Riunite S.p.A. | 77 |
1 |
| Sumitomo Dainippon Pharma Co., Ltd. | 212 |
1 |
| Senda Biosciences, Inc. | 19 |
1 |
| Merck Sharp & Dohme LLC | 3753 |
1 |
| Other owners | 2 |