- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 71/72 - Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, not provided for in a single one of groups
Patent holdings for IPC class B01D 71/72
Total number of patents in this class: 77
10-year publication summary
|
4
|
2
|
6
|
13
|
2
|
9
|
7
|
11
|
2
|
5
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Asahi Kasei Kabushiki Kaisha | 2841 |
7 |
| Promerus, LLC | 151 |
4 |
| Solvay Specialty Polymers USA, LLC | 504 |
4 |
| The Regents of the University of California | 20802 |
3 |
| Sumitomo Chemical Company, Limited | 8963 |
3 |
| Saudi Arabian Oil Company | 14296 |
3 |
| BASF SE | 21310 |
2 |
| Massachusetts Institute of Technology | 10273 |
2 |
| Ip2ipo Innovations Limited | 171 |
2 |
| Twelve Benefit Corporation | 152 |
2 |
| Corning Incorporated | 10511 |
1 |
| Uop LLC | 4390 |
1 |
| Board of Regents, The University of Texas System | 6135 |
1 |
| Toray Industries, Inc. | 7122 |
1 |
| Agency for Science, Technology and Research | 3744 |
1 |
| Georgia Tech Research Corporation | 2960 |
1 |
| W. L. Gore & Associates, Inc. | 2716 |
1 |
| Korea Advanced Institute of Science and Technology | 4686 |
1 |
| Aramco Services Company | 4193 |
1 |
| Asahi Kasei Fibers Corporation | 90 |
1 |
| Other owners | 35 |