- Sections
- C - Chimiemétallurgie
- C07C - Composés acycliques ou carbocycliques
- C07C 47/04 - Formaldéhyde
Détention brevets de la classe C07C 47/04
Brevets de cette classe: 96
Historique des publications depuis 10 ans
|
5
|
5
|
7
|
4
|
11
|
6
|
8
|
7
|
6
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Propriétaires principaux
| Proprétaire |
Total
|
Cette classe
|
|---|---|---|
| Johnson Matthey Public Limited Company | 1862 |
10 |
| BASF SE | 20666 |
7 |
| Arkema France | 3978 |
4 |
| Celanese International Corporation | 914 |
3 |
| Celanese Sales Germany GmbH | 131 |
3 |
| Johnson Matthey Davy Technologies Limited | 261 |
3 |
| Haldor Topsøe A/S | 662 |
3 |
| Topsoe A/S | 873 |
3 |
| Panasonic Intellectual Property Management Co., Ltd. | 30711 |
2 |
| Ajou University Industry-academic Cooperation Foundation | 999 |
2 |
| Eastman Chemical Company | 2260 |
2 |
| Enerkem Inc. | 84 |
2 |
| Lucite International UK Limited | 50 |
2 |
| Lyondell Chemical Technology, L.P. | 268 |
2 |
| Polyplastics Co., Ltd. | 602 |
2 |
| SABIC Global Technologies B.V. | 4263 |
2 |
| The Regents of the University of California | 19752 |
1 |
| ExxonMobil Research And Engineering Company | 2603 |
1 |
| BASF Corporation | 1708 |
1 |
| FUJIFILM Corporation | 29151 |
1 |
| Autres propriétaires | 40 |