- Sections
- B - Techniques industriellestransports
- B01D - Séparation
- B01D 71/68 - PolysulfonesPolyéthersulfones
Détention brevets de la classe B01D 71/68
Brevets de cette classe: 1306
Historique des publications depuis 10 ans
|
108
|
93
|
120
|
101
|
105
|
105
|
94
|
107
|
89
|
44
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Propriétaires principaux
| Proprétaire |
Total
|
Cette classe
|
|---|---|---|
| Gambro Lundia AB | 1389 |
72 |
| BASF SE | 21303 |
64 |
| Toray Industries, Inc. | 7113 |
60 |
| Asahi Kasei Kabushiki Kaisha | 2833 |
34 |
| Toyobo Co., Ltd. | 2535 |
32 |
| FUJIFILM Corporation | 30514 |
29 |
| Asahi Kasei Medical Co., Ltd. | 232 |
27 |
| Uop LLC | 4393 |
24 |
| Fresenius Medical Care Deutschland GmbH | 2236 |
22 |
| Nitto Denko Corporation | 8536 |
21 |
| Entegris, Inc. | 2008 |
18 |
| EMD Millipore Corporation | 631 |
17 |
| King Fahd University of Petroleum and Minerals | 1572 |
17 |
| Solvay Specialty Polymers USA, LLC | 505 |
17 |
| Fresenius Medical Care Holdings, Inc. | 1426 |
15 |
| National University of Singapore | 2583 |
15 |
| Sartorius Stedim Biotech GmbH | 875 |
14 |
| Solventum Intellectual Properties Company | 3415 |
13 |
| 3m Innovative Properties Company | 17478 |
12 |
| Sumitomo Chemical Company, Limited | 9016 |
12 |
| Autres propriétaires | 771 |