- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 271/56 - Esters of carbamic acids having oxygen atoms of carbamate groups bound to carbon atoms of six-membered aromatic rings with the nitrogen atom of at least one of the carbamate groups bound to a carbon atom of a ring other than a six-membered aromatic ring
Patent holdings for IPC class C07C 271/56
Total number of patents in this class: 75
10-year publication summary
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0
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4
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4
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6
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4
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3
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2
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3
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1
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1
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Regents of the University of California | 20137 |
10 |
| Asahi Kasei Kabushiki Kaisha | 2702 |
5 |
| Fondazione Istituto Italiano di Tecnologia | 595 |
5 |
| Xwpharma Ltd. | 58 |
5 |
| Alma Mater Studiorum - Universita di Bologna | 407 |
4 |
| Asahi Kasei Chemicals Corporation | 655 |
4 |
| Universita Degli Studi Di Parma | 48 |
4 |
| Universita Degli Studi Di Urbino "Carlo Bo" | 28 |
4 |
| FUJIFILM Corporation | 29702 |
3 |
| Sumitomo Chemical Company, Limited | 9086 |
3 |
| Universitat de Barcelona | 287 |
3 |
| Fondazione Istituto Italiano di Technologia | 24 |
2 |
| Kawasaki Kasei Chemicals Ltd. | 31 |
2 |
| N.V. Organon | 535 |
2 |
| Biomedical Analysis Center, Academy Of Military Medical Sciences | 5 |
2 |
| Institute of Pharmacology and Toxicology Academy of Military Medical Sciences P.l.a. | 2 |
2 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10956 |
1 |
| Aposense Ltd. | 34 |
1 |
| Arkema France | 4170 |
1 |
| CoLucid Pharmaceuticals, Inc. | 14 |
1 |
| Other owners | 11 |