- 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: 803
10-year publication summary
|
57
|
53
|
55
|
76
|
67
|
64
|
63
|
73
|
59
|
42
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Entegris, Inc. | 2004 |
45 |
| Toray Industries, Inc. | 7092 |
35 |
| Teijin Limited | 1280 |
29 |
| FUJIFILM Corporation | 30479 |
24 |
| Celgard, LLC | 311 |
22 |
| PPG Industries Ohio, Inc. | 3330 |
19 |
| 3m Innovative Properties Company | 17497 |
16 |
| Nitto Denko Corporation | 8517 |
14 |
| W. L. Gore & Associates, Inc. | 2720 |
14 |
| DIC Corporation | 3959 |
14 |
| Asahi Kasei Kabushiki Kaisha | 2828 |
13 |
| Toray Tonen Specialty Separator Godo Kaisha | 22 |
11 |
| Astom Corporation | 37 |
9 |
| LG Chem, Ltd. | 17926 |
8 |
| Terumo Kabushiki Kaisha | 5768 |
8 |
| Arkema France | 4231 |
8 |
| Cornell University | 3421 |
8 |
| Hydroxsys Holdings Limited | 14 |
8 |
| Solventum Intellectual Properties Company | 3408 |
8 |
| Mitsubishi Rayon Co., Ltd. | 857 |
7 |
| Other owners | 483 |