- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 71/80 - Block polymers
Patent holdings for IPC class B01D 71/80
Total number of patents in this class: 464
10-year publication summary
|
43
|
37
|
42
|
50
|
45
|
38
|
34
|
23
|
35
|
14
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BASF SE | 20915 |
20 |
| Saudi Arabian Oil Company | 13206 |
16 |
| Terapore Technologies, Inc. | 29 |
16 |
| Nitto Denko Corporation | 8246 |
12 |
| Dow Global Technologies LLC | 10349 |
12 |
| 3m Innovative Properties Company | 17819 |
10 |
| Cornell University | 3307 |
10 |
| Aquaporin A/S | 74 |
10 |
| Arkema France | 4149 |
9 |
| The Penn State Research Foundation | 1526 |
8 |
| Solvay Specialty Polymers Italy S.p.A. | 759 |
8 |
| Applied BioMimetic A/S | 26 |
8 |
| Aramco Services Company | 3981 |
7 |
| King Abdullah University of Science and Technology | 1781 |
7 |
| Pall Corporation | 336 |
7 |
| Centre National de La Recherche Scientifique | 10442 |
6 |
| FUJIFILM Corporation | 29424 |
6 |
| Uop LLC | 4238 |
6 |
| Helmholtz-Zentrum Geesthacht Zentrum für Material-und Küstenforschung GmbH | 65 |
6 |
| Nanjing Tech University | 255 |
6 |
| Other owners | 274 |