B01D 2323/21813
Metal oxides
B01D2323/21813 (Metal oxides) appears on 35 US grants and 63 published applications in this corpus.
Search patents in B01D- Granted patents
- 35
- Published applications
- 63
- Assignees
- 42
- Inventors
- 146
- Latest grant
- 20 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 1 | 2 |
| 2009 | 0 | 1 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 1 | 4 |
| 2016 | 4 | 9 |
| 2017 | 4 | 9 |
| 2018 | 1 | 1 |
| 2019 | 6 | 6 |
| 2020 | 1 | 5 |
| 2021 | 2 | 1 |
| 2022 | 4 | 3 |
| 2023 | 1 | 4 |
| 2024 | 4 | 6 |
| 2025 | 2 | 7 |
| 2026 | 2 | 3 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Lithium extraction composite for recovery of lithium from brines, and process of using said composition20 Jan 2026US 12,528,056 B2All American Lithium LLC
- Hollow fiber composite membrane for water vapor separation, method for manufacturing the same, and device including the same20 Jan 2026US 12,528,057 B2Korea Institute of Energy Research
- Filtration membrane4 Nov 2025US 12,458,932 B2King Fahd University of Petroleum and Minerals
- Nanofunctionalised polymeric support with photocatalytic nanoparticles based on titanium dioxide and its use as photocatalysts18 Mar 2025US 12,251,667 B2Colorobbia Consulting S.R.L.
- Method of fabricating and operating water-permeable capacitive deionization electrode capable of selectively absorbing and desorbing sodium ions using NASICON-incorporated carbon nanotube structure7 May 2024US 11,975,295 B2Korea Advanced Institute of Science and Technology
- Nanofiltration membrane for micropollutant removal4 Jun 2026US 2026/0151744 A1King Fahd University of Petroleum and Minerals
- Fabrication of large and polymer-free complex oxide and complex nitride membranes assisted by isolated metal islands26 Mar 2026US 2026/0085447 A1
- Pervaporation membrane22 Jan 2026US 2026/0021456 A1Nitto Denko Corporation
- Ceramic membrane produced by binder jetting17 Jul 2025US 2025/0229234 A1Evove Ltd
- 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
Most cited
By later US patents
- Method of making microporous material23US 7,445,735 B2Daramic, LLC · 2008
- Method of making a microporous material10US 7,682,536 B2Daramic, LLC · 2010
- Hollow fiber membrane for filtration of liquids3US 11,148,100 B2Pak Vitae (Private) Limited · 2021
- Lithium extraction composite for recovery of lithium from brines, and process of using said composition3US 11,253,820 B2All American Lithium LLC · 2022
- Method for producing porous polyimide film, porous polyimide film and separator using same3US 9,601,739 B2Tokyo Ohka Kogyo.Co., Ltd. · 2017