- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 239/34 - One oxygen atom
Patent holdings for IPC class C07D 239/34
Total number of patents in this class: 567
10-year publication summary
|
39
|
44
|
38
|
34
|
25
|
30
|
27
|
25
|
22
|
25
|
| 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 | 456 |
20 |
| Boehringer Ingelheim International GmbH | 4646 |
17 |
| Bristol-myers Squibb Company | 4855 |
15 |
| Vertex Pharmaceuticals Incorporated | 1627 |
13 |
| Syngenta Crop Protection AG | 6115 |
12 |
| Takeda Pharmaceutical Company Limited | 2706 |
11 |
| FMC Corporation | 838 |
11 |
| Eisai R&D Management Co., Ltd. | 1225 |
11 |
| Amgen Inc. | 4105 |
10 |
| BASF SE | 20991 |
8 |
| Novartis AG | 10725 |
6 |
| E. I. du Pont de Nemours and Company | 4000 |
6 |
| Bayer AG | 3346 |
6 |
| Bayer Pharma AG | 1054 |
6 |
| Sumitomo Chemical Company, Limited | 9047 |
6 |
| Daiichi Sankyo Company, Limited | 1886 |
6 |
| Merck Sharp & Dohme LLC | 3757 |
6 |
| President and Fellows of Harvard College | 5998 |
5 |
| Nihon Nohyaku Co., Ltd. | 327 |
5 |
| Nutrichem Company Limited | 16 |
5 |
| Other owners | 382 |