- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 71/82 - Macromolecular material not specifically provided for in a single one of groups characterised by the presence of specified groups, e.g. introduced by chemical after-treatment
Patent holdings for IPC class B01D 71/82
Total number of patents in this class: 572
10-year publication summary
|
33
|
46
|
34
|
49
|
52
|
37
|
42
|
45
|
38
|
16
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 29151 |
34 |
| FUJIFILM Manufacturing Europe B.V. | 268 |
23 |
| Toray Industries, Inc. | 6859 |
18 |
| Entegris, Inc. | 1862 |
14 |
| The Regents of the University of California | 19752 |
13 |
| Saudi Arabian Oil Company | 12761 |
12 |
| LG Chem, Ltd. | 17519 |
11 |
| Toyobo Co., Ltd. | 2469 |
10 |
| BASF SE | 20666 |
9 |
| Sumitomo Chemical Company, Limited | 9005 |
9 |
| Compact Membrane Systems, Inc. | 50 |
8 |
| Uop LLC | 4211 |
7 |
| Council of Scientific & Industrial Research | 1416 |
7 |
| Gambro Lundia AB | 1361 |
7 |
| Rensselaer Polytechnic Institute | 816 |
7 |
| Nitto Denko Corporation | 8163 |
6 |
| National University Corporation Kobe University | 513 |
6 |
| Georgia Tech Research Corporation | 2690 |
5 |
| Asahi Kasei Kabushiki Kaisha | 2627 |
5 |
| Bank of America, N.A. | 334 |
5 |
| Other owners | 356 |