- Sections
- B - Techniques industriellestransports
- B01D - Séparation
- B01D 71/32 - Polyhalogénures alcènyliques contenant des atomes de fluor
Détention brevets de la classe B01D 71/32
Brevets de cette classe: 458
Historique des publications depuis 10 ans
|
48
|
38
|
52
|
25
|
20
|
27
|
20
|
10
|
17
|
8
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Propriétaires principaux
| Proprétaire |
Total
|
Cette classe
|
|---|---|---|
| FUJIFILM Corporation | 30514 |
25 |
| W. L. Gore & Associates, Inc. | 2720 |
21 |
| Compact Membrane Systems, Inc. | 56 |
20 |
| Toray Industries, Inc. | 7113 |
17 |
| Solvay Specialty Polymers Italy S.p.A. | 656 |
16 |
| Sumitomo Electric Fine Polymer, Inc. | 204 |
16 |
| Nitto Denko Corporation | 8536 |
15 |
| Membrane Technology and Research, Inc. | 90 |
14 |
| Asahi Kasei Kabushiki Kaisha | 2833 |
13 |
| Entegris, Inc. | 2008 |
10 |
| Daikin Industries, Ltd. | 10499 |
9 |
| Sumitomo Chemical Company, Limited | 9016 |
8 |
| Pall Corporation | 340 |
8 |
| 3m Innovative Properties Company | 17478 |
7 |
| Sumitomo Electric Industries, Ltd. | 16331 |
7 |
| Yestar Advanced Materials (HK) Co., Limited | 42 |
7 |
| Uop LLC | 4393 |
6 |
| Arkema Inc. | 1061 |
6 |
| DIC Corporation | 3962 |
6 |
| LG Chem, Ltd. | 17921 |
5 |
| Autres propriétaires | 222 |