- Sections
- B - Techniques industriellestransports
- B01D - Séparation
- B01D 71/68 - PolysulfonesPolyéthersulfones
Détention brevets de la classe B01D 71/68
Brevets de cette classe: 1246
Historique des publications depuis 10 ans
|
81
|
102
|
85
|
116
|
96
|
102
|
97
|
92
|
103
|
69
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Propriétaires principaux
| Proprétaire |
Total
|
Cette classe
|
|---|---|---|
| Gambro Lundia AB | 1369 |
73 |
| BASF SE | 20979 |
64 |
| Toray Industries, Inc. | 6976 |
58 |
| Asahi Kasei Medical Co., Ltd. | 264 |
35 |
| Asahi Kasei Kabushiki Kaisha | 2684 |
33 |
| Toyobo Co., Ltd. | 2516 |
31 |
| FUJIFILM Corporation | 29543 |
29 |
| Uop LLC | 4241 |
24 |
| Fresenius Medical Care Deutschland GmbH | 2175 |
20 |
| EMD Millipore Corporation | 650 |
18 |
| Solvay Specialty Polymers USA, LLC | 592 |
18 |
| Nitto Denko Corporation | 8280 |
17 |
| Entegris, Inc. | 1890 |
17 |
| Fresenius Medical Care Holdings, Inc. | 1424 |
15 |
| National University of Singapore | 2466 |
15 |
| Solventum Intellectual Properties Company | 3332 |
15 |
| Sartorius Stedim Biotech GmbH | 841 |
14 |
| 3m Innovative Properties Company | 17795 |
13 |
| LG Chem, Ltd. | 17644 |
13 |
| Sumitomo Chemical Company, Limited | 9047 |
12 |
| Autres propriétaires | 712 |