B01D 2323/2185
Polyethylene glycol
B01D2323/2185 (Polyethylene glycol) appears on 24 US grants and 43 published applications in this corpus.
Search patents in B01D- Granted patents
- 24
- Published applications
- 43
- Assignees
- 46
- Inventors
- 161
- Latest grant
- 13 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2013 | 0 | 1 |
| 2014 | 0 | 1 |
| 2015 | 0 | 2 |
| 2016 | 1 | 3 |
| 2017 | 1 | 2 |
| 2018 | 2 | 4 |
| 2019 | 2 | 6 |
| 2020 | 3 | 4 |
| 2021 | 2 | 3 |
| 2022 | 3 | 3 |
| 2023 | 1 | 6 |
| 2024 | 5 | 4 |
| 2025 | 3 | 3 |
| 2026 | 1 | 1 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Large-scale fabrication technique for PIM-1 asymmetric membranes doped with low-molecular-weight polyethylene glycol for gas separation13 Jan 2026US 12,521,681 B2Dalian University of Technology
- System for separating oil and water mixture using hydrophilic modified polystyrene and hydrophobic polyurethane2 Dec 2025US 12,485,365 B2King Fahd University of Petroleum and Minerals
- Preparation method for reverse osmosis membrane resistant to high-temperature water environment14 Oct 2025US 12,440,809 B1Zhejiang Jinmo Environmental Technology Co., Ltd
- Combination of pyrrolidone based solvents for the production of porous membranes18 Feb 2025US 12,226,738 B2Sartorius Stedim Biotech GmbH
- Porous hollow fiber membrane24 Dec 2024US 12,172,135 B2DAICEN MEMBRANE-SYSTEMS Ltd.
- Methods of making lithium selective nanofiltration membranes and their applications2 Jul 2026US 2026/0183723 A1Greenvi Corp.
- Coatings for field flow fractionation channels to reduce sample sticking4 Dec 2025US 2025/0367608 A1Wyatt Technology Corporation
- Polyethylene glycol functionalized aromatic polyimides for high performance co2 capture applications beyond natural gas purification3 Apr 2025US 2025/0108342 A1Georgia Tech Research Corporation
- Large-scale fabrication technique for pim-1 asymmetric membranes doped with low-molecular-weight polyethylene glycol for gas separation20 Mar 2025US 2025/0091015 A1Dalian University of Technology
- Separation membrane19 Dec 2024US 2024/0416290 A1Evove Ltd
Most cited
By later US patents
- Hollow fiber membrane for filtration of liquids3US 11,148,100 B2Pak Vitae (Private) Limited · 2021
- High toughness hollow fiber membranes based on vinylidene fluoride polymers1US 10,322,381 B2Arkema Inc. · 2019
- Polymer blended membranes for sour gas separation1US 10,525,406 B2Saudi Arabian Oil Company · 2020
- Separation membrane1US 10,799,837 B2Toray Industries, Inc. · 2020
- Fe-Al-based metal porous membrane and preparation method thereof1US 11,918,958 B2At&M Environmental Engineering Technology Co., Ltd. · 2024