- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 71/78 - Graft polymers
Patent holdings for IPC class B01D 71/78
Total number of patents in this class: 132
10-year publication summary
|
14
|
9
|
12
|
11
|
11
|
8
|
5
|
8
|
7
|
6
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Entegris, Inc. | 2003 |
9 |
| Saudi Arabian Oil Company | 14110 |
7 |
| Solventum Intellectual Properties Company | 3398 |
7 |
| 3m Innovative Properties Company | 17485 |
6 |
| National University of Singapore | 2575 |
5 |
| SABIC Global Technologies B.V. | 4562 |
5 |
| BASF SE | 21294 |
3 |
| The Regents of the University of California | 20669 |
3 |
| Gambro Lundia AB | 1373 |
3 |
| Rensselaer Polytechnic Institute | 848 |
3 |
| SINTEF Tto AS | 145 |
3 |
| Trustees of Tufts College | 970 |
3 |
| Membrion, Inc. | 23 |
3 |
| The Trustees of Columbia University in the City of New York | 3631 |
2 |
| Arkema France | 4225 |
2 |
| Asahi Kasei Medical Co., Ltd. | 233 |
2 |
| Donaldson Company, Inc. | 1599 |
2 |
| Hunan Keensen Technology Co., Ltd. | 7 |
2 |
| King Abdullah University of Science and Technology | 1840 |
2 |
| Ngee Ann Polytechnic | 50 |
2 |
| Other owners | 58 |