B01D 2323/21817
Salts
B01D2323/21817 (Salts) appears on 29 US grants and 54 published applications in this corpus.
Search patents in B01D- Granted patents
- 29
- Published applications
- 54
- Assignees
- 43
- Inventors
- 165
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 4 |
| 2017 | 1 | 5 |
| 2018 | 3 | 6 |
| 2019 | 8 | 7 |
| 2020 | 3 | 10 |
| 2021 | 3 | 3 |
| 2022 | 3 | 2 |
| 2023 | 1 | 5 |
| 2024 | 1 | 3 |
| 2025 | 4 | 7 |
| 2026 | 2 | 1 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- High temperature-resistant composite nanofiltration membrane and preparation method thereof9 Jun 2026US 12,649,128 B2Hunan Ovay Technology Co., Ltd.
- Lithium extraction composite for recovery of lithium from brines, and process of using said composition20 Jan 2026US 12,528,056 B2All American Lithium LLC
- Ceramic membrane technology for molecule-range separation16 Dec 2025US 12,496,557 B2Agency for Science, Technology and Research
- Hollow fibres28 Oct 2025US 12,454,773 B2IP Ventures GmbH
- Rigid self-supporting MXene separation membrane and preparation method and use thereof19 Aug 2025US 12,390,771 B2Dalian University of Technology
- Bipolar membrane electrodialyzer and method for operating same4 Jun 2026US 2026/0151736 A1Kyushu University, National University Corporation
- Polyamidine-containing membranes for co2 separations from gaseous streams9 Oct 2025US 2025/0312749 A1Ohio State Innovation Foundation
- Light- and oxygen-permeable membrane and preparation method and use thereof24 Jul 2025US 2025/0235828 A1Cangzhou Institute of Tiangong University
- Method for one-step regulation of a pore structure and surface properties of a silicon carbide (sic) membrane10 Jul 2025US 2025/0222408 A1Nanjing Tech University
- Hollow fibres24 Apr 2025US 2025/0129521 A1Kalvotech Limited
Most cited
By later US patents
- Additives for salt rejection enhancement of a membrane4US 9,861,940 B2LG Baboh2O, Inc. · 2018
- Lithium extraction composite for recovery of lithium from brines, and process of using said composition3US 11,253,820 B2All American Lithium LLC · 2022
- High selectivity facilitated transport membranes and their use for olefin/paraffin separations2US 10,471,381 B22019
- Polyvinylidene fluoride hollow fiber membrane of in-situ pore-forming agent and preparation method therefor1US 10,258,931 B2United Enrirontech (Xiamen) Co., Ltd. · 2019
- High-strength hollow fiber zeolite membrane and its preparation method1US 10,427,107 B2Nanjing Tech University · 2019