- Sections
- B - Techniques industriellestransports
- B01D - Séparation
- B01D 71/28 - Polymères de composés vinylaromatiques
Détention brevets de la classe B01D 71/28
Brevets de cette classe: 312
Historique des publications depuis 10 ans
|
19
|
24
|
35
|
32
|
22
|
22
|
24
|
20
|
15
|
19
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Propriétaires principaux
| Proprétaire |
Total
|
Cette classe
|
|---|---|---|
| FUJIFILM Corporation | 30689 |
24 |
| Astom Corporation | 39 |
10 |
| Cornell University | 3455 |
9 |
| 3m Innovative Properties Company | 17455 |
8 |
| FUJIFILM Manufacturing Europe B.V. | 219 |
7 |
| Sumitomo Chemical Company, Limited | 8965 |
6 |
| Uop LLC | 4407 |
6 |
| Toray Industries, Inc. | 7149 |
6 |
| Gambro Lundia AB | 1403 |
6 |
| The Regents of the University of Colorado, a body corporate | 2846 |
6 |
| Yale University | 2569 |
6 |
| The Board of Trustees of the University of Alabama | 440 |
5 |
| Rensselaer Polytechnic Institute | 854 |
5 |
| The Regents of the University of California | 20902 |
4 |
| W. L. Gore & Associates, Inc. | 2735 |
4 |
| University of Washington | 2464 |
4 |
| Merck Millipore Ltd. | 36 |
4 |
| International Business Machines Corporation | 62805 |
3 |
| Nitto Denko Corporation | 8589 |
3 |
| Toray Advanced Materials Korea Inc. | 304 |
3 |
| Autres propriétaires | 183 |