- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 271/42 - 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
Patent holdings for IPC class C07C 271/42
Total number of patents in this class: 18
10-year publication summary
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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 | 20015 |
4 |
| Alma Mater Studiorum - Universita di Bologna | 403 |
3 |
| Fondazione Istituto Italiano di Tecnologia | 589 |
3 |
| FUJIFILM Corporation | 29489 |
1 |
| Apotex Pharmachem Inc. | 26 |
1 |
| Asahi Kasei Chemicals Corporation | 676 |
1 |
| Sichuan Haisco Pharmaceutical Co., Ltd. | 151 |
1 |
| Sigma-Tau Industrie Farmaceutiche Riunite S.p.A. | 78 |
1 |
| Teva Pharmaceutical Industries Ltd. | 782 |
1 |
| Teva Pharmaceuticals USA, Inc. | 885 |
1 |
| Xi'an Libang Pharmaceutical Co., Ltd | 15 |
1 |
| Other owners | 0 |