- All sections
- C - Chemistry; metallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 271/24 - 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 ring other than a six-membered aromatic ring
Patent holdings for IPC class C07C 271/24
Total number of patents in this class: 252
10-year publication summary
|
18
|
25
|
14
|
18
|
20
|
19
|
9
|
9
|
7
|
6
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Bio-Pharm Solutions Co., Ltd. | 60 |
13 |
| Daiichi Sankyo Company, Limited | 1829 |
11 |
| Reata Pharmaceuticals Holdings, LLC | 42 |
6 |
| Glaxosmithkline Intellectual Property (no.2) Limited | 269 |
5 |
| Mitsui Chemicals, Inc. | 3134 |
5 |
| The Trustees of Columbia University in the City of New York | 3440 |
5 |
| GE Healthcare Limited | 711 |
5 |
| Monash University | 685 |
5 |
| Xwpharma Ltd. | 56 |
5 |
| Novartis AG | 11238 |
4 |
| Taisho Pharmaceutical Co., Ltd. | 844 |
4 |
| The Regents of the University of California | 18943 |
3 |
| Arbutus Biopharma Corporation | 183 |
3 |
| BenQ Materials Corporation | 137 |
3 |
| Covestro Deutschland AG | 2429 |
3 |
| Eli Lilly and Company | 3645 |
3 |
| Katholieke Universiteit Leuven K.u. Leuven R & D | 217 |
3 |
| Korea Research Institute of Chemical Technology | 1266 |
3 |
| Shofu, Inc. | 190 |
3 |
| Sun Medical Co., Ltd. | 44 |
3 |
| Other owners | 157 |