- All sections
- B - Performing operations; transporting
- 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: 548
10-year publication summary
|
39
|
33
|
46
|
34
|
49
|
52
|
37
|
41
|
44
|
11
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 27102 |
33 |
| FUJIFILM Manufacturing Europe B.V. | 271 |
22 |
| Toray Industries, Inc. | 6652 |
18 |
| The Regents of the University of California | 18943 |
12 |
| LG Chem, Ltd. | 17205 |
11 |
| Entegris, Inc. | 1736 |
11 |
| Saudi Arabian Oil Company | 11322 |
11 |
| BASF SE | 19740 |
9 |
| Sumitomo Chemical Company, Limited | 8808 |
9 |
| Compact Membrane Systems, Inc. | 43 |
8 |
| Uop LLC | 4083 |
7 |
| Council of Scientific & Industrial Research | 1397 |
7 |
| Gambro Lundia AB | 1383 |
7 |
| Toyobo Co., Ltd. | 2286 |
7 |
| Rensselaer Polytechnic Institute | 776 |
6 |
| Nitto Denko Corporation | 7879 |
5 |
| Dow Global Technologies LLC | 10147 |
5 |
| Georgia Tech Research Corporation | 2453 |
5 |
| Asahi Kasei Kabushiki Kaisha | 2429 |
5 |
| Bank of America, N.A. | 274 |
5 |
| Other owners | 345 |