- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 207/27 - 2-Pyrrolidones with only hydrogen atoms or radicals containing only hydrogen and carbon atoms directly attached to other ring carbon atoms with substituted hydrocarbon radicals directly attached to the ring nitrogen atom
Patent holdings for IPC class C07D 207/27
Total number of patents in this class: 345
10-year publication summary
|
21
|
23
|
17
|
24
|
21
|
19
|
27
|
23
|
21
|
16
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Zhejiang Huahai Pharmaceutical Co., Ltd. | 211 |
14 |
| Modernatx, Inc. | 1295 |
9 |
| Novartis AG | 10635 |
7 |
| Bristol-myers Squibb Company | 4833 |
7 |
| ISP Investments Inc. | 454 |
7 |
| Suzhou Brighthope PharmaTech Co., Ltd | 12 |
7 |
| E. I. du Pont de Nemours and Company | 3913 |
6 |
| California Institute of Technology | 3986 |
6 |
| PTC Therapeutics, Inc. | 486 |
6 |
| Zhejiang Huahai Zhicheng Pharmaceutical Co., Ltd | 29 |
6 |
| Eli Lilly and Company | 3892 |
4 |
| FMC Corporation | 829 |
4 |
| PharmaZell GmbH | 43 |
4 |
| Queen's University at Kingston | 533 |
4 |
| Shanghai Syncores Technologies Inc. Ltd | 35 |
4 |
| Centre National de La Recherche Scientifique | 10645 |
3 |
| Bayer Pharma AG | 1048 |
3 |
| Daikin Industries, Ltd. | 10146 |
3 |
| Takeda Pharmaceutical Company Limited | 2719 |
3 |
| Astellas Pharma Inc. | 1053 |
3 |
| Other owners | 235 |