- 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: 483
10-year publication summary
|
37
|
43
|
50
|
45
|
39
|
34
|
23
|
35
|
21
|
17
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BASF SE | 21318 |
20 |
| Saudi Arabian Oil Company | 14390 |
16 |
| Terapore Technologies, Inc. | 26 |
15 |
| Nitto Denko Corporation | 8632 |
12 |
| Dow Global Technologies LLC | 11051 |
12 |
| 3m Innovative Properties Company | 17450 |
11 |
| Cornell University | 3458 |
10 |
| Arkema France | 4230 |
9 |
| The Penn State Research Foundation | 1641 |
8 |
| Solvay Specialty Polymers Italy S.p.A. | 653 |
8 |
| Applied BioMimetic A/S | 22 |
8 |
| Aramco Services Company | 4191 |
7 |
| King Abdullah University of Science and Technology | 1873 |
7 |
| Pall Corporation | 341 |
7 |
| Centre National de La Recherche Scientifique | 11122 |
6 |
| FUJIFILM Corporation | 30774 |
6 |
| Uop LLC | 4401 |
6 |
| Helmholtz-Zentrum Geesthacht Zentrum für Material-und Küstenforschung GmbH | 59 |
6 |
| Nanjing Tech University | 298 |
6 |
| Toyobo Co., Ltd. | 2551 |
6 |
| Other owners | 297 |