B01D 2323/21811
Metals
B01D2323/21811 (Metals) appears on 21 US grants and 35 published applications in this corpus.
Search patents in B01D- Granted patents
- 21
- Published applications
- 35
- Assignees
- 27
- Inventors
- 88
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 3 |
| 2016 | 0 | 1 |
| 2017 | 2 | 3 |
| 2018 | 2 | 5 |
| 2019 | 3 | 4 |
| 2020 | 3 | 6 |
| 2021 | 2 | 0 |
| 2022 | 3 | 1 |
| 2023 | 1 | 6 |
| 2024 | 1 | 3 |
| 2025 | 2 | 0 |
| 2026 | 1 | 2 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Passivated silver nanoparticle coatings and methods of making the same21 Jul 2026US 12,686,050 B2Arizona Board of Regents on behalf of Arizona State University
- Filter membrane and method for making the same13 May 2025US 12,296,303 B2Taiwan Semiconductor Manufacturing Company.Ltd
- Controlled nanoscale-perforated two dimensional materials and membranes25 Mar 2025US 12,257,554 B2Khalifa University of Science and Technology
- Forward osmosis membrane and method of preparing same12 Mar 2024US 11,925,905 B2Beijing Baoshengtong International Electric Engineering Technology Co., Ltd.
- Carbon molecular sieve membranes containing a group 13 metal and method to make them3 Oct 2023US 11,772,053 B2Dow Global Technologies LLC
- Purification process of ethyl formate27 Aug 2026US 2026/0249251 A1Taicang Hushi Reagent Co., Ltd.
- Pervaporation membrane22 Jan 2026US 2026/0021456 A1Nitto Denko Corporation
- Method of manufacture for edible, porous cross-linked hollow fibers and membranes by ph induced phase separation and uses thereof17 Oct 2024US 2024/0344006 A1Merck Patent GmbH
- System and method for silver nanoparticles15 Feb 2024US 2024/0049717 A1
- System and method for silver-nanoparticle-coated membranes1 Feb 2024US 2024/0033692 A1
Most cited
By later US patents
- Hollow fiber membrane for filtration of liquids3US 11,148,100 B2Pak Vitae (Private) Limited · 2021
- Composite membranes for separation of gases2US 10,322,379 B2Ohio State Innovation Foundation · 2019
- Nanoporous films and method for manufacturing the same2US 8,887,926 B2Bioneer Corporation · 2014
- Separation membrane structure1US 10,478,783 B2NGK Insulators, Ltd. · 2019
- Composite membranes for separation of gases1US 11,364,471 B2Ohio State Innovation Foundation · 2022