- Sections
- B - Techniques industriellestransports
- B01D - Séparation
- B01D 71/68 - PolysulfonesPolyéthersulfones
Détention brevets de la classe B01D 71/68
Brevets de cette classe: 1198
Historique des publications depuis 10 ans
|
84
|
108
|
93
|
120
|
101
|
105
|
103
|
94
|
102
|
9
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Propriétaires principaux
| Proprétaire |
Total
|
Cette classe
|
|---|---|---|
| Gambro Lundia AB | 1369 |
71 |
| BASF SE | 20421 |
57 |
| Toray Industries, Inc. | 6857 |
57 |
| Asahi Kasei Medical Co., Ltd. | 300 |
37 |
| Asahi Kasei Kabushiki Kaisha | 2563 |
33 |
| Toyobo Co., Ltd. | 2426 |
30 |
| FUJIFILM Corporation | 28829 |
29 |
| Uop LLC | 4187 |
24 |
| EMD Millipore Corporation | 653 |
18 |
| Fresenius Medical Care Deutschland GmbH | 2131 |
18 |
| Solvay Specialty Polymers USA, LLC | 561 |
18 |
| Nitto Denko Corporation | 8099 |
17 |
| Entegris, Inc. | 1824 |
15 |
| National University of Singapore | 2373 |
15 |
| Solventum Intellectual Properties Company | 3311 |
15 |
| Sartorius Stedim Biotech GmbH | 806 |
14 |
| 3m Innovative Properties Company | 17969 |
13 |
| LG Chem, Ltd. | 17643 |
13 |
| Fresenius Medical Care Holdings, Inc. | 1394 |
13 |
| Sumitomo Chemical Company, Limited | 8987 |
12 |
| Autres propriétaires | 679 |