B01D 2325/02832
1-10 nm
B01D2325/02832 (1-10 nm) appears on 124 US grants and 237 published applications in this corpus.
Search patents in B01D- Granted patents
- 124
- Published applications
- 237
- Assignees
- 172
- Inventors
- 642
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 1 | 3 |
| 2007 | 0 | 1 |
| 2008 | 0 | 3 |
| 2009 | 1 | 3 |
| 2010 | 1 | 1 |
| 2011 | 2 | 0 |
| 2012 | 1 | 2 |
| 2013 | 2 | 1 |
| 2014 | 1 | 5 |
| 2015 | 2 | 10 |
| 2016 | 3 | 14 |
| 2017 | 7 | 19 |
| 2018 | 11 | 13 |
| 2019 | 11 | 15 |
| 2020 | 9 | 22 |
| 2021 | 14 | 10 |
| 2022 | 9 | 14 |
| 2023 | 14 | 24 |
| 2024 | 11 | 29 |
| 2025 | 8 | 22 |
| 2026 | 12 | 26 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for converting osmotic energy into hydraulic energy and for desalination14 Jul 2026US 12,678,737 B2Centre National De La Recherche Scientifique
- Porous membranes for high pressure filtration7 Jul 2026US 12,673,303 B2Syensqo Specialty Polymers USA, LLC
- Direct air capture of carbon dioxide with nanofluidic flows30 Jun 2026US 12,667,806 B1National Technology & Engineering Solutions of Sandia, LLC
- Metal-organic framework material separation membrane, preparation method therefor, and use thereof21 Apr 2026US 12,605,678 B2Beijing Research Institute of Chemical Industry, China Petroleum & Chemical Corporation
- Cross-linkable zwitterionic polymers and their use in membrane filters21 Apr 2026US 12,605,680 B2Trustees of Tufts College
- Direct air capture of carbon dioxide with nanofluidic flows8 Oct 2026US 2026/0307002 A1National Technology & Engineering Solutions of Sandia, LLC
- Method and System for Azeotropic Separation Using Organophobic Ceramic Membranes27 Aug 2026US 2026/0249254 A1Molecular Filtration, Inc.
- Purification of a saccharide from a fermentation broth13 Aug 2026US 2026/0234177 A1Inbiose N.V.
- Method for producing concentrated liquid of raw liquid30 Jul 2026US 2026/0216659 A1Toray Industries, Inc.
- Oxidation resistant membranes30 Jul 2026US 2026/0216669 A1BASF SE
Most cited
By later US patents
- Polysulfone hollow fiber semipermeable membrane57US 5,938,929 AToray Industries, Inc. · 1999
- Polysulfone hollow fiber semipermeable membrane50US 6,103,117 AToray Industries, Inc. · 2000
- Ceramic porous material and method of making same41US 5,645,891 ABattelle Memorial Institute · 1997
- Pore diffusion type flat membrane separating apparatus41US 8,623,210 B22014
- Membranes for nanometer-scale mass fast transport39US 8,038,887 B2Lawrence Livermore National Security, LLC · 2011