- Sections
- C - Chimiemétallurgie
- C01B - Éléments non métalliquesleurs composés
- C01B 31/08 - Charbon actif
Détention brevets de la classe C01B 31/08
Brevets de cette classe: 467
Historique des publications depuis 10 ans
|
59
|
20
|
8
|
7
|
6
|
5
|
0
|
0
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Propriétaires principaux
| Proprétaire |
Total
|
Cette classe
|
|---|---|---|
| Corning Incorporated | 10246 |
35 |
| Blucher GmbH | 179 |
15 |
| British American Tobacco (Investments) Limited | 1029 |
10 |
| Kuraray Co., Ltd. | 3502 |
10 |
| Carbon Technology Holdings, LLC | 211 |
6 |
| Sony Corporation | 31107 |
5 |
| Philip Morris Products S.A. | 7616 |
5 |
| Hyundai Motor Company | 21852 |
5 |
| Albemarle Corporation | 492 |
5 |
| Pneumatic Processing Technologies, LLC | 8 |
5 |
| Saudi Arabian Oil Company | 12947 |
5 |
| Dow Global Technologies LLC | 10401 |
4 |
| Calgon Carbon Corporation | 238 |
4 |
| Inha-Industry Partnership Institute | 172 |
4 |
| Nichias Corporation | 392 |
4 |
| William Marsh Rice University | 1000 |
4 |
| Fujitsu Limited | 18348 |
3 |
| Korea Advanced Institute of Science and Technology | 4362 |
3 |
| Arcactive Limited | 28 |
3 |
| BASF Catalysts LLC | 162 |
3 |
| Autres propriétaires | 329 |