- Sections
- B - Techniques industrielles; transports
- B01J - Procédés chimiques ou physiques, p.ex. catalyse ou chimie des colloïdes; appareillage approprié
- B01J 23/48 - Argent ou or
Détention brevets de la classe B01J 23/48
Brevets de cette classe: 180
Historique des publications depuis 10 ans
|
20
|
12
|
15
|
6
|
10
|
6
|
5
|
6
|
4
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Propriétaires principaux
| Proprétaire |
Total
|
Cette classe
|
|---|---|---|
| BASF Corporation | 2039 |
5 |
| Korea Advanced Institute of Science and Technology | 3906 |
4 |
| Johnson Matthey Public Limited Company | 1852 |
4 |
| SD Lizenzverwertungsgesellschaft mbH & Co. KG | 35 |
4 |
| Shell USA, Inc. | 1074 |
4 |
| Dow Technology Investments LLC | 270 |
3 |
| Blucher GmbH | 192 |
3 |
| Chem32, LLC | 7 |
3 |
| IFP Energies Nouvelles | 2717 |
3 |
| Scientific Design Company, Inc. | 131 |
3 |
| Solvay SA | 1181 |
3 |
| General Electric Company | 18133 |
2 |
| BASF SE | 19740 |
2 |
| The Regents of the University of California | 18943 |
2 |
| Toyota Motor Corporation | 28582 |
2 |
| ExxonMobil Research And Engineering Company | 2830 |
2 |
| GM Global Technology Operations LLC | 13620 |
2 |
| Hyundai Motor Company | 19021 |
2 |
| Nitto Denko Corporation | 7879 |
2 |
| Kao Corporation | 4843 |
2 |
| Autres propriétaires | 123 |