- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 271/20 - 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 nitrogen atoms not being part of nitro or nitroso groups
Patent holdings for IPC class C07C 271/20
Total number of patents in this class: 373
10-year publication summary
|
29
|
30
|
23
|
22
|
21
|
27
|
25
|
24
|
35
|
23
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Arbutus Biopharma Corporation | 161 |
15 |
| Ambergen, Inc. | 41 |
12 |
| Mitsui Chemicals, Inc. | 3283 |
10 |
| Modernatx, Inc. | 1279 |
10 |
| Nissan Chemical Industries, Ltd. | 1629 |
8 |
| Suzhou Abogen Biosciences Co., Ltd. | 81 |
8 |
| SK Biopharmaceuticals Co., Ltd. | 281 |
7 |
| Sutro Biopharma, Inc. | 186 |
7 |
| Beam Therapeutics Inc. | 298 |
7 |
| Covestro Deutschland AG | 2862 |
6 |
| Intellia Therapeutics, Inc. | 245 |
6 |
| MedImmune Limited | 612 |
6 |
| Sun Medical Co., Ltd. | 48 |
5 |
| SynAffix B.V. | 123 |
5 |
| Etherna Immunotherapies NV | 68 |
5 |
| FUJIFILM Corporation | 30774 |
4 |
| Carnegie Mellon University | 1652 |
4 |
| Curza Global, LLC | 28 |
4 |
| Texas Heart Institute | 117 |
4 |
| University of Utah Research Foundation | 1873 |
4 |
| Other owners | 236 |