- All sections
- C - Chemistry; metallurgy
- C07D - Heterocyclic compounds
- C07D 239/34 - One oxygen atom
Patent holdings for IPC class C07D 239/34
Total number of patents in this class: 551
10-year publication summary
|
47
|
50
|
40
|
37
|
33
|
36
|
34
|
25
|
23
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Theravance Biopharma R&D IP, LLC | 517 |
20 |
| Boehringer Ingelheim International GmbH | 4754 |
17 |
| Bristol-myers Squibb Company | 4863 |
14 |
| Takeda Pharmaceutical Company Limited | 2943 |
12 |
| Vertex Pharmaceuticals Incorporated | 1568 |
12 |
| FMC Corporation | 852 |
11 |
| Eisai R&D Management Co., Ltd. | 1274 |
11 |
| Amgen Inc. | 3899 |
10 |
| Syngenta Crop Protection AG | 4904 |
9 |
| BASF SE | 20432 |
8 |
| Novartis AG | 11254 |
7 |
| E. I. du Pont de Nemours and Company | 4249 |
6 |
| Bayer AG | 3209 |
6 |
| Bayer Pharma AG | 1085 |
6 |
| Sumitomo Chemical Company, Limited | 8988 |
6 |
| Daiichi Sankyo Company, Limited | 1864 |
6 |
| Syngenta Participations AG | 3032 |
5 |
| Bayer Cropscience AG | 2138 |
5 |
| President and Fellows of Harvard College | 5913 |
5 |
| GW Research Limited | 342 |
5 |
| Other owners | 370 |