- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 71/26 - Polyalkenes
Patent holdings for IPC class B01D 71/26
Total number of patents in this class: 818
10-year publication summary
|
57
|
53
|
55
|
76
|
67
|
64
|
63
|
73
|
60
|
54
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Entegris, Inc. | 2016 |
45 |
| Toray Industries, Inc. | 7143 |
39 |
| Teijin Limited | 1290 |
32 |
| FUJIFILM Corporation | 30628 |
24 |
| Celgard, LLC | 312 |
22 |
| PPG Industries Ohio, Inc. | 3318 |
19 |
| 3m Innovative Properties Company | 17459 |
16 |
| Nitto Denko Corporation | 8565 |
14 |
| W. L. Gore & Associates, Inc. | 2726 |
14 |
| DIC Corporation | 3982 |
14 |
| Asahi Kasei Kabushiki Kaisha | 2847 |
13 |
| Toray Tonen Specialty Separator Godo Kaisha | 22 |
11 |
| Astom Corporation | 39 |
11 |
| LG Chem, Ltd. | 17956 |
8 |
| Terumo Kabushiki Kaisha | 5849 |
8 |
| Arkema France | 4250 |
8 |
| Cornell University | 3444 |
8 |
| Hydroxsys Holdings Limited | 14 |
8 |
| Solventum Intellectual Properties Company | 3424 |
8 |
| Mitsubishi Rayon Co., Ltd. | 850 |
7 |
| Other owners | 489 |