- Sections
- C - Chimiemétallurgie
- C22B - Production ou affinage des métauxtraitement préliminaire des matières premières
- C22B 4/04 - Métaux lourds
Détention brevets de la classe C22B 4/04
Brevets de cette classe: 38
Historique des publications depuis 10 ans
|
1
|
2
|
1
|
1
|
2
|
1
|
6
|
5
|
4
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Propriétaires principaux
| Proprétaire |
Total
|
Cette classe
|
|---|---|---|
| William Marsh Rice University | 1058 |
3 |
| Battelle Memorial Institute | 2542 |
2 |
| ATI Properties LLC | 201 |
2 |
| Technological Resources Pty. Limited | 446 |
2 |
| China ENFI Engineering Corp. | 106 |
2 |
| Phoenix Tailings, Inc. | 37 |
2 |
| Neoctech Corp. | 2 |
2 |
| The Trustees of Columbia University in the City of New York | 3615 |
1 |
| Gem Co., Ltd. | 246 |
1 |
| Iowa State University Research Foundation, Inc. | 811 |
1 |
| North Carolina State University | 1589 |
1 |
| Northeastern University | 559 |
1 |
| Oss Management Services (Pty) Limited | 3 |
1 |
| Pukyong National University Industry-University Cooperation Foundation | 361 |
1 |
| SK Innovation Co., Ltd. | 1416 |
1 |
| The South African Nuclear Energy Corporation Limited | 27 |
1 |
| ThyssenKrupp Steel Europe AG | 976 |
1 |
| Vale Inco Limited | 10 |
1 |
| Worcester Polytechnic Institute | 534 |
1 |
| Xiangguang Copper Co., Ltd. | 5 |
1 |
| Autres propriétaires | 10 |