- Sections
- B - Techniques industrielles; transports
- B01D - Séparation
- B01D 71/62 - Polycondensats ayant des hétérocycles contenant de l'azote dans la chaîne principale
Détention brevets de la classe B01D 71/62
Brevets de cette classe: 216
Historique des publications depuis 10 ans
|
23
|
20
|
14
|
17
|
13
|
11
|
18
|
11
|
17
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Propriétaires principaux
| Proprétaire |
Total
|
Cette classe
|
|---|---|---|
| Uop LLC | 4188 |
13 |
| King Abdullah University of Science and Technology | 1744 |
9 |
| Asahi Kasei Kabushiki Kaisha | 2556 |
8 |
| Toray Industries, Inc. | 6855 |
7 |
| Council of Scientific & Industrial Research | 1409 |
7 |
| FUJIFILM Manufacturing Europe B.V. | 270 |
7 |
| King Fahd University of Petroleum and Minerals | 1008 |
7 |
| BASF SE | 20432 |
6 |
| FUJIFILM Corporation | 28805 |
5 |
| IUCF-HYU (Industry-University Cooperation Foundation Hanyang University) | 1269 |
5 |
| Saudi Arabian Oil Company | 12446 |
5 |
| The Regents of the University of California | 19517 |
4 |
| Centre National de La Recherche Scientifique | 10102 |
3 |
| Nitto Denko Corporation | 8089 |
3 |
| The Board of Trustees of the Leland Stanford Junior University | 6246 |
3 |
| Board of Regents, The University of Texas System | 5619 |
3 |
| Cornell University | 3202 |
3 |
| Fresenius Medical Care Deutschland GmbH | 2124 |
3 |
| Helmholtz-Zentrum Geesthacht Zentrum für Material-und Küstenforschung GmbH | 62 |
3 |
| National University of Singapore | 2369 |
3 |
| Autres propriétaires | 109 |