- 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: 201
Historique des publications depuis 10 ans
|
12
|
13
|
20
|
27
|
19
|
15
|
16
|
3
|
9
|
11
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Propriétaires principaux
| Proprétaire |
Total
|
Cette classe
|
|---|---|---|
| Gambro Lundia AB | 1389 |
17 |
| Toray Industries, Inc. | 7113 |
11 |
| Asahi Kasei Kabushiki Kaisha | 2833 |
11 |
| Dow Global Technologies LLC | 10944 |
5 |
| Toray Advanced Materials Korea Inc. | 296 |
4 |
| National University of Singapore | 2583 |
4 |
| 3m Innovative Properties Company | 17478 |
3 |
| Massachusetts Institute of Technology | 10251 |
3 |
| Amogreentech Co., Ltd. | 646 |
3 |
| Beijing Research Institute of Chemical Industry, China Petroleum & Chemical Corporation | 293 |
3 |
| China Petroleum & Chemical Corporation | 2152 |
3 |
| Cornell University | 3425 |
3 |
| Council of Scientific & Industrial Research | 1445 |
3 |
| Harbin Engineering University | 167 |
3 |
| MANN+HUMMEL GmbH | 1808 |
3 |
| Vontron Technology Co., Ltd. | 40 |
3 |
| Unilever PLC | 2999 |
2 |
| Unilever N.V. | 2913 |
2 |
| Conopco, Inc. | 5086 |
2 |
| FUJIFILM Corporation | 30514 |
2 |
| Autres propriétaires | 111 |