- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 271/30 - Esters of carbamic acids having oxygen atoms of carbamate groups bound to acyclic carbon atoms with the nitrogen atom of at least one of the carbamate groups bound to a carbon atom of a six-membered aromatic ring to a carbon atom of a six-membered aromatic ring being part of a condensed ring system
Patent holdings for IPC class C07C 271/30
Total number of patents in this class: 22
10-year publication summary
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2
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2
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5
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4
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1
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0
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1
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0
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4
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0
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Covestro Deutschland AG | 2852 |
3 |
| Immunebridge Inc. | 8 |
3 |
| Syngenta Crop Protection AG | 6756 |
2 |
| Nodthera Limited | 45 |
2 |
| Japan Tobacco Inc. | 3573 |
1 |
| Kyoto University | 2934 |
1 |
| Ono Pharmaceutical Co., Ltd. | 420 |
1 |
| Research Foundation Itsuu Laboratory | 9 |
1 |
| Taiwanj Pharmaceuticals Co., Ltd. | 19 |
1 |
| UCB Pharma GmbH | 77 |
1 |
| Valeant Pharmaceuticals International | 15 |
1 |
| Zeon Corporation | 4173 |
1 |
| The Board of Regents of the University of Texas System | 2310 |
1 |
| Jiangsu Atom Bioscience and Pharmaceutical Co., Ltd. | 30 |
1 |
| Newsoara Biopharma Co., Ltd. | 11 |
1 |
| Newsoara Biopharma Co., Ltd. | 1 |
1 |
| Other owners | 0 |