- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 271/14 - Esters of carbamic acids having oxygen atoms of carbamate groups bound to acyclic carbon atoms 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 halogen atoms or by nitro or nitroso groups
Patent holdings for IPC class C07C 271/14
Total number of patents in this class: 48
10-year publication summary
|
9
|
5
|
4
|
4
|
4
|
2
|
3
|
5
|
2
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Quadriga Biosciences, Inc. | 22 |
5 |
| Sumitomo Chemical Company, Limited | 9016 |
3 |
| Bio-Pharm Solutions Co., Ltd. | 55 |
3 |
| Tohoku University | 2980 |
3 |
| Mitsubishi Materials Electronic Chemicals Co., Ltd. | 139 |
2 |
| Nektar Therapeutics | 402 |
2 |
| University of Houston System | 1123 |
2 |
| Yuhan Corporation | 241 |
2 |
| Ceko Co, Ltd. | 24 |
2 |
| E. I. du Pont de Nemours and Company | 3534 |
1 |
| Daikin Industries, Ltd. | 10499 |
1 |
| Mitsui Chemicals, Inc. | 3246 |
1 |
| Actavis Group PTC ehf | 392 |
1 |
| Concert Pharmaceuticals, Inc. | 244 |
1 |
| Henkel US IP LLC | 28 |
1 |
| Lek Pharmaceuticals d.d. | 181 |
1 |
| Lonza Ltd. | 586 |
1 |
| Repsol YPF, S.A. | 7 |
1 |
| Samyang Holdings Corporation | 214 |
1 |
| Soochow University | 1781 |
1 |
| Other owners | 13 |