- Sections
- B - Techniques industriellestransports
- B01D - Séparation
- B01D 71/54 - PolyuréesPolyuréthanes
Détention brevets de la classe B01D 71/54
Brevets de cette classe: 149
Historique des publications depuis 10 ans
|
12
|
7
|
13
|
18
|
15
|
15
|
10
|
8
|
9
|
8
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Propriétaires principaux
| Proprétaire |
Total
|
Cette classe
|
|---|---|---|
| BASF SE | 20967 |
10 |
| W. L. Gore & Associates, Inc. | 2713 |
7 |
| Asahi Kasei Kabushiki Kaisha | 2681 |
6 |
| Nitto Denko Corporation | 8271 |
5 |
| Uop LLC | 4241 |
4 |
| DSM IP Assets B.V. | 5589 |
4 |
| Toray Industries, Inc. | 6966 |
4 |
| Fresenius Medical Care Holdings, Inc. | 1423 |
4 |
| Solvay Specialty Polymers Italy S.p.A. | 758 |
4 |
| FUJIFILM Corporation | 29489 |
3 |
| Dow Global Technologies LLC | 10386 |
3 |
| The Board of Trustees of the University of Illinois | 2704 |
3 |
| Membrane Distillation Desalination Ltd. Co. | 6 |
3 |
| Core Energy Recovery Solutions Inc. | 27 |
3 |
| EMD Millipore Corporation | 651 |
2 |
| National Taiwan University | 1230 |
2 |
| Condalign AS | 26 |
2 |
| ELANTAS PDG, Inc. | 57 |
2 |
| Instituto Superior Tecnico | 152 |
2 |
| Instrumentation Laboratory Company | 236 |
2 |
| Autres propriétaires | 74 |