- 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: 130
10-year publication summary
|
14
|
9
|
12
|
11
|
11
|
8
|
5
|
8
|
7
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Entegris, Inc. | 1990 |
9 |
| Saudi Arabian Oil Company | 13956 |
7 |
| Solventum Intellectual Properties Company | 3370 |
7 |
| 3m Innovative Properties Company | 17491 |
6 |
| National University of Singapore | 2565 |
5 |
| SABIC Global Technologies B.V. | 4512 |
5 |
| BASF SE | 21165 |
3 |
| The Regents of the University of California | 20590 |
3 |
| Rensselaer Polytechnic Institute | 852 |
3 |
| SINTEF Tto AS | 144 |
3 |
| Trustees of Tufts College | 955 |
3 |
| Membrion, Inc. | 23 |
3 |
| The Trustees of Columbia University in the City of New York | 3627 |
2 |
| Arkema France | 4189 |
2 |
| Asahi Kasei Medical Co., Ltd. | 233 |
2 |
| Donaldson Company, Inc. | 1598 |
2 |
| Gambro Lundia AB | 1365 |
2 |
| Hunan Keensen Technology Co., Ltd. | 7 |
2 |
| King Abdullah University of Science and Technology | 1835 |
2 |
| Ngee Ann Polytechnic | 50 |
2 |
| Other owners | 57 |