- Sections
- B - Techniques industriellestransports
- 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: 240
Historique des publications depuis 10 ans
|
20
|
14
|
17
|
13
|
11
|
19
|
11
|
16
|
16
|
11
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Propriétaires principaux
| Proprétaire |
Total
|
Cette classe
|
|---|---|---|
| Uop LLC | 4407 |
14 |
| King Fahd University of Petroleum and Minerals | 1598 |
12 |
| King Abdullah University of Science and Technology | 1868 |
9 |
| Asahi Kasei Kabushiki Kaisha | 2854 |
8 |
| Toray Industries, Inc. | 7145 |
7 |
| Saudi Arabian Oil Company | 14349 |
7 |
| BASF SE | 21328 |
6 |
| FUJIFILM Corporation | 30653 |
6 |
| Council of Scientific & Industrial Research | 1447 |
6 |
| IUCF-HYU (Industry-University Cooperation Foundation Hanyang University) | 1688 |
6 |
| Yestar Advanced Materials (HK) Co., Limited | 42 |
6 |
| The Regents of the University of California | 20868 |
4 |
| Fresenius Medical Care Deutschland GmbH | 2243 |
4 |
| Centre National de La Recherche Scientifique | 11092 |
3 |
| Nitto Denko Corporation | 8580 |
3 |
| The Board of Trustees of the Leland Stanford Junior University | 6707 |
3 |
| Board of Regents, The University of Texas System | 6161 |
3 |
| Aramco Services Company | 4192 |
3 |
| Cornell University | 3450 |
3 |
| Helmholtz-Zentrum Geesthacht Zentrum für Material-und Küstenforschung GmbH | 59 |
3 |
| Autres propriétaires | 124 |