- Sections
- C - Chimiemétallurgie
- C07D - Composés hétérocycliques
- C07D 239/52 - Deux atomes d'oxygène
Détention brevets de la classe C07D 239/52
Brevets de cette classe: 251
Historique des publications depuis 10 ans
|
32
|
16
|
20
|
18
|
24
|
18
|
7
|
8
|
9
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Propriétaires principaux
| Proprétaire |
Total
|
Cette classe
|
|---|---|---|
| Merck Sharp & Dohme LLC | 3725 |
10 |
| Bayer Cropscience AG | 2087 |
9 |
| Syngenta Limited | 470 |
6 |
| Nutrichem Company Limited | 16 |
6 |
| Shangyu Nutrichem Co., Ltd. | 7 |
6 |
| Galderma Research & Development | 406 |
5 |
| Ihara Chemical Industry Co., Ltd. | 71 |
5 |
| Melior Pharmaceuticals I, Inc. | 25 |
5 |
| UPL Limited | 565 |
5 |
| Arizona Board of Regents on behalf of Arizona State University | 2529 |
4 |
| R.J. Reynolds Tobacco Company | 509 |
4 |
| F. Hoffmann-La Roche AG | 7889 |
3 |
| BASF SE | 20570 |
3 |
| Merck Sharp & Dohme Corp. | 2202 |
3 |
| Boehringer Ingelheim International GmbH | 4729 |
3 |
| Syngenta Participations AG | 2035 |
3 |
| The Trustees of Columbia University in the City of New York | 3542 |
3 |
| The Arizona Board of Regents on Behalf of the University of Arizona | 2107 |
3 |
| The Brigham and Women's Hospital, Inc. | 2140 |
3 |
| Bukwang Pharmaceutical Co., Ltd. | 6 |
3 |
| Autres propriétaires | 159 |