- Sections
- C - Chimiemétallurgie
- C22B - Production ou affinage des métauxtraitement préliminaire des matières premières
- C22B 34/32 - Obtention du chrome
Détention brevets de la classe C22B 34/32
Brevets de cette classe: 124
Historique des publications depuis 10 ans
|
6
|
6
|
8
|
10
|
5
|
2
|
11
|
6
|
11
|
18
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Propriétaires principaux
| Proprétaire |
Total
|
Cette classe
|
|---|---|---|
| Companhia Brasileira de Metalurgia e Mineracao | 17 |
6 |
| South China University of Technology | 1928 |
4 |
| Betolar Oy | 36 |
4 |
| Chinalco Research Institute of Science and Technology Co., Ltd | 6 |
4 |
| Aperam | 143 |
3 |
| Her Majesty the Queen in right of Canada, as represented by the Minister of Natural Resources | 105 |
3 |
| JFE Material Co., Ltd. | 13 |
3 |
| Helios Project Ltd. | 24 |
3 |
| PT Qmb New Energy Materials | 257 |
3 |
| PT ESG New Energy Material | 158 |
3 |
| Zhengzhou Non-Ferrous Metals Research Institute Co.Ltd of Chinalco | 9 |
3 |
| Hitachi, Ltd. | 16237 |
2 |
| Dalian University of Technology | 1614 |
2 |
| Gem Co., Ltd. | 362 |
2 |
| Guangdong Brunp Recycling Technology Co., Ltd | 1272 |
2 |
| Hunan Brunp Recycling Technology Co., Ltd. | 1227 |
2 |
| Midrex Technologies, Inc. | 129 |
2 |
| Nippon Steel Corporation | 7102 |
2 |
| Ohio State Innovation Foundation | 2442 |
2 |
| Outotec (Finland) Oy | 455 |
2 |
| Autres propriétaires | 67 |