- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 239/52 - Two oxygen atoms
Patent holdings for IPC class C07D 239/52
Total number of patents in this class: 248
10-year publication summary
|
25
|
15
|
18
|
13
|
19
|
16
|
6
|
7
|
8
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Merck Sharp & Dohme LLC | 3751 |
10 |
| Bayer Cropscience AG | 2040 |
8 |
| Nutrichem Company Limited | 16 |
6 |
| Shangyu Nutrichem Co., Ltd. | 7 |
6 |
| UPL Limited | 588 |
6 |
| Syngenta Limited | 454 |
5 |
| Galderma Research & Development | 404 |
5 |
| Ihara Chemical Industry Co., Ltd. | 70 |
5 |
| Melior Pharmaceuticals I, Inc. | 25 |
5 |
| Syngenta Participations AG | 1904 |
4 |
| Arizona Board of Regents on behalf of Arizona State University | 2644 |
4 |
| R.J. Reynolds Tobacco Company | 503 |
4 |
| BASF SE | 20940 |
3 |
| The Regents of the University of California | 19961 |
3 |
| Merck Sharp & Dohme Corp. | 2191 |
3 |
| Boehringer Ingelheim International GmbH | 4642 |
3 |
| The Trustees of Columbia University in the City of New York | 3577 |
3 |
| The Arizona Board of Regents on Behalf of the University of Arizona | 2165 |
3 |
| The Brigham and Women's Hospital, Inc. | 2195 |
3 |
| Bukwang Pharmaceutical Co., Ltd. | 6 |
3 |
| Other owners | 156 |