B01D 2323/226
Use of ionic liquids
B01D2323/226 (Use of ionic liquids) appears on 15 US grants and 37 published applications in this corpus.
Search patents in B01D- Granted patents
- 15
- Published applications
- 37
- Assignees
- 33
- Inventors
- 128
- Latest grant
- 31 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2017 | 0 | 1 |
| 2018 | 0 | 1 |
| 2019 | 1 | 4 |
| 2020 | 0 | 6 |
| 2021 | 3 | 4 |
| 2022 | 4 | 2 |
| 2023 | 1 | 4 |
| 2024 | 1 | 4 |
| 2025 | 4 | 5 |
| 2026 | 1 | 6 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Hydrophilic membrane separation layer31 Mar 2026US 12,589,360 B2Nitto Denko Corporation
- Carbon hollow fibre membrane23 Dec 2025US 12,502,645 B2Norwegian University of Science and Technology (Ntnu)
- Electrochemical water deionization separators23 Dec 2025US 12,503,380 B2Robert Bosch GmbH
- Gas separation membranes3 Jun 2025US 12,318,736 B2Norwegian University of Science and Technology (Ntnu)
- Fabrication of filtration membranes25 Feb 2025US 12,233,383 B2Trustees of Tufts College
- Conductive hollow fiber membrane and preparation method thereof and membrane assembly24 Sep 2026US 2026/0284601 A1Cangzhou Institute of Tiangong University
- Microporous membrane, and preparation method therefor and application thereof6 Aug 2026US 2026/0229711 A1Shenzhen Senior Technology Material Co., Ltd.
- Ionic liquid-based composite membranes using functional cross-linkers16 Jul 2026US 2026/0199823 A1The Regents of the University of Colorado, a body corporate
- Self-Assembled Ionic Liquid Layer21 May 2026US 2026/0138098 A1National Technology & Engineering Solutions of Sandia, LLC
- Method for obtaining a catalytic membrane, catalytic membrane obtained and uses thereof12 Mar 2026US 2026/0070025 A1Universidad De Murcia
Most cited
By later US patents