- Sections
- B - Techniques industriellestransports
- B01D - Séparation
- B01D 71/42 - Polymères de nitriles, p. ex. polyacrylonitrile
Détention brevets de la classe B01D 71/42
Brevets de cette classe: 209
Historique des publications depuis 10 ans
|
12
|
13
|
20
|
27
|
19
|
15
|
16
|
3
|
9
|
17
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Propriétaires principaux
| Proprétaire |
Total
|
Cette classe
|
|---|---|---|
| Gambro Lundia AB | 1404 |
17 |
| Asahi Kasei Kabushiki Kaisha | 2875 |
13 |
| Toray Industries, Inc. | 7161 |
11 |
| Dow Global Technologies LLC | 11072 |
5 |
| Kaneka Corporation | 4829 |
5 |
| Toray Advanced Materials Korea Inc. | 306 |
4 |
| National University of Singapore | 2615 |
4 |
| 3m Innovative Properties Company | 17443 |
3 |
| Massachusetts Institute of Technology | 10322 |
3 |
| Amogreentech Co., Ltd. | 652 |
3 |
| Beijing Research Institute of Chemical Industry, China Petroleum & Chemical Corporation | 293 |
3 |
| China Petroleum & Chemical Corporation | 2190 |
3 |
| Cornell University | 3456 |
3 |
| Council of Scientific & Industrial Research | 1449 |
3 |
| Harbin Engineering University | 171 |
3 |
| MANN+HUMMEL GmbH | 1817 |
3 |
| Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | 6119 |
3 |
| Vontron Technology Co., Ltd. | 40 |
3 |
| Unilever PLC | 2973 |
2 |
| Unilever N.V. | 2887 |
2 |
| Autres propriétaires | 113 |