- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 71/60 - Polyamines
Patent holdings for IPC class B01D 71/60
Total number of patents in this class: 232
10-year publication summary
|
17
|
14
|
20
|
18
|
26
|
23
|
18
|
16
|
19
|
6
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Asahi Kasei Kabushiki Kaisha | 2556 |
12 |
| Ohio State Innovation Foundation | 1978 |
11 |
| The Regents of the University of California | 19517 |
9 |
| Aquaporin A/S | 72 |
8 |
| California Institute of Technology | 3936 |
7 |
| Korea Advanced Institute of Science and Technology | 4188 |
6 |
| LG Nanoh20, Inc. | 15 |
5 |
| FUJIFILM Corporation | 28805 |
4 |
| Corning Incorporated | 10125 |
4 |
| The Penn State Research Foundation | 1461 |
4 |
| Evove Ltd | 21 |
4 |
| Sumitomo Chemical Company, Limited | 8988 |
3 |
| W. L. Gore & Associates, Inc. | 2686 |
3 |
| AMS Technologies Int. (2012) Ltd | 3 |
3 |
| King Abdullah University of Science and Technology | 1744 |
3 |
| Norwegian University of Science and Technology (ntnu) | 176 |
3 |
| Saudi Arabian Oil Company | 12446 |
3 |
| Taiwan Textile Research Institute | 147 |
3 |
| University of Maryland, College Park | 965 |
3 |
| BASF SE | 20432 |
2 |
| Other owners | 132 |