- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 3/36 - Azeotropic distillation
Patent holdings for IPC class B01D 3/36
Total number of patents in this class: 193
10-year publication summary
|
8
|
14
|
23
|
24
|
22
|
8
|
24
|
13
|
16
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Honeywell International Inc. | 14033 |
21 |
| Dow Global Technologies Inc. | 913 |
8 |
| LG Chem, Ltd. | 17657 |
6 |
| Arkema France | 3895 |
6 |
| Naturamide IP LLC | 13 |
6 |
| BASF SE | 20458 |
5 |
| Dow Global Technologies LLC | 10177 |
5 |
| Arkema Inc. | 1071 |
5 |
| Changchun Meihe Science and Technology Development Co.,Ltd | 28 |
5 |
| Daikin Industries, Ltd. | 9852 |
4 |
| AMT International, Inc. | 46 |
4 |
| IFP Energies Nouvelles | 2837 |
4 |
| Chempolis Oy | 22 |
3 |
| Eastman Chemical Company | 2261 |
3 |
| Eve Rubber Institute Co., Ltd. | 28 |
3 |
| Saudi Arabian Oil Company | 12509 |
3 |
| Versalis S.P.A. | 540 |
3 |
| Whitefox Technologies Limited | 34 |
3 |
| Equinor Energy AS | 487 |
3 |
| Illinois Tool Works Inc. | 11410 |
2 |
| Other owners | 91 |