- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 271/22 - 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 carboxyl groups
Patent holdings for IPC class C07C 271/22
Total number of patents in this class: 699
10-year publication summary
|
60
|
60
|
50
|
47
|
33
|
31
|
46
|
45
|
42
|
19
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Arcturus Therapeutics, Inc. | 183 |
26 |
| Corteva Agriscience LLC | 2640 |
21 |
| Novartis AG | 10251 |
16 |
| FUJIFILM Corporation | 30516 |
12 |
| Theravance Biopharma R&D IP, LLC | 362 |
12 |
| Xwpharma Ltd. | 65 |
11 |
| The Johns Hopkins University | 5887 |
10 |
| Chugai Seiyaku Kabushiki Kaisha | 1423 |
9 |
| Eonhf, Inc. | 45 |
9 |
| F. Hoffmann-La Roche AG | 7819 |
8 |
| Eli Lilly and Company | 4106 |
8 |
| Lier Chemical Co., Ltd. | 44 |
7 |
| The University of Tokyo | 4369 |
7 |
| Xgene Pharmaceutical Inc. | 13 |
7 |
| Aileron Therapeutics, Inc. | 78 |
6 |
| MedImmune Limited | 610 |
6 |
| Nissan Chemical Industries, Ltd. | 1643 |
6 |
| Genentech, Inc. | 4110 |
5 |
| Quadriga Biosciences, Inc. | 22 |
5 |
| XenoPort, Inc. | 75 |
5 |
| Other owners | 503 |