- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 11/04 - Solvent extraction of solutions which are liquid
Patent holdings for IPC class B01D 11/04
Total number of patents in this class: 1722
10-year publication summary
|
107
|
101
|
120
|
141
|
134
|
124
|
130
|
107
|
101
|
83
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Saudi Arabian Oil Company | 13349 |
40 |
| IFP Energies Nouvelles | 2952 |
32 |
| Uop LLC | 4241 |
25 |
| Sumitomo Metal Mining Co., Ltd. | 1788 |
22 |
| Chemtor, LP | 63 |
21 |
| BASF SE | 20979 |
20 |
| LG Chem, Ltd. | 17644 |
18 |
| Eastman Chemical Company | 2212 |
17 |
| Kyushu University, National University Corporation | 1658 |
14 |
| Outotec (Finland) Oy | 480 |
12 |
| Aquafortus Technologies Limited | 33 |
12 |
| Evonik Operations GmbH | 4154 |
12 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10941 |
11 |
| Arkema France | 4164 |
11 |
| Freeport Minerals Corporation | 110 |
11 |
| Merichem Technologies, LLC | 64 |
11 |
| Honeywell International Inc. | 13550 |
10 |
| Outotec Oyj | 278 |
10 |
| FUJIFILM Corporation | 29543 |
9 |
| E. & J. Gallo Winery | 1975 |
9 |
| Other owners | 1395 |