- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 207/273 - 2-Pyrrolidones with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to other ring carbon atoms
Patent holdings for IPC class C07D 207/273
Total number of patents in this class: 198
10-year publication summary
|
15
|
12
|
18
|
12
|
17
|
10
|
15
|
8
|
14
|
7
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Pfizer Inc. | 3371 |
11 |
| Cayman Chemical Company, Incorporated | 68 |
10 |
| Bristol-myers Squibb Company | 4880 |
9 |
| Corteva Agriscience LLC | 2682 |
9 |
| KYORIN Pharmaceutical Co., Ltd. | 167 |
8 |
| Chongqing Runze Pharmaceutical Co., Ltd. | 77 |
7 |
| Takeda Pharmaceutical Company Limited | 2708 |
6 |
| California Institute of Technology | 3977 |
5 |
| Abbvie Inc. | 1800 |
5 |
| Chongqing Runze Medical Instruments Co., Ltd | 12 |
5 |
| Hoffmann-La Roche Inc. | 3439 |
4 |
| The Regents of the University of California | 19961 |
4 |
| Chongqing Ruzer Pharmaceutical Company Limited | 14 |
4 |
| Allergan, Inc. | 2347 |
3 |
| Dart NeuroScience, LLC | 49 |
3 |
| The Florida International University Board of Trustees | 622 |
3 |
| Givaudan SA | 1889 |
3 |
| Novartis AG | 10744 |
2 |
| F. Hoffmann-La Roche AG | 7947 |
2 |
| BASF SE | 20940 |
2 |
| Other owners | 93 |