- Sections
- C - Chimiemétallurgie
- C01B - Éléments non métalliquesleurs composés
- C01B 21/46 - PurificationSéparation
Détention brevets de la classe C01B 21/46
Brevets de cette classe: 44
Historique des publications depuis 10 ans
|
1
|
2
|
1
|
7
|
4
|
6
|
5
|
4
|
4
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Propriétaires principaux
| Proprétaire |
Total
|
Cette classe
|
|---|---|---|
| Yara International ASA | 909 |
10 |
| Casale SA | 636 |
6 |
| de Dietrich Process Systems GmbH | 8 |
3 |
| Hanwha Corporation | 312 |
2 |
| N2 Applied AS | 11 |
2 |
| Clairion Ltd. | 8 |
2 |
| Kellogg Brown & Root GmbH | 20 |
2 |
| Asher Vitner Ltd. | 4 |
1 |
| Astom Corporation | 39 |
1 |
| Eyal Research Consultants Ltd | 7 |
1 |
| Fudan University | 769 |
1 |
| Royal Canadian Mint | 36 |
1 |
| Solvay SA | 944 |
1 |
| Plinke GmbH | 4 |
1 |
| Covestro Intellectual Property GmbH & Co. KG | 276 |
1 |
| Limited Liability Company "innovative Chemical Engineering" | 1 |
1 |
| Wisdri Engineering & Research Incorporation Limited | 230 |
1 |
| Suzhou Jingzhou Equipment Technology Co., Ltd. | 10 |
1 |
| Lianshi New Material Corp., Ltd. | 8 |
1 |
| Green Advanced Technology Ltd. | 2 |
1 |
| Autres propriétaires | 4 |