B01D 2325/026
Sponge structure
B01D2325/026 (Sponge structure) appears on 58 US grants and 63 published applications in this corpus.
Search patents in B01D- Granted patents
- 58
- Published applications
- 63
- Assignees
- 61
- Inventors
- 205
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 4 | 0 |
| 2001 | 0 | 0 |
| 2002 | 3 | 3 |
| 2003 | 0 | 1 |
| 2004 | 1 | 0 |
| 2005 | 2 | 1 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 2 | 4 |
| 2009 | 0 | 2 |
| 2010 | 0 | 3 |
| 2011 | 1 | 1 |
| 2012 | 1 | 2 |
| 2013 | 0 | 1 |
| 2014 | 2 | 3 |
| 2015 | 0 | 5 |
| 2016 | 3 | 2 |
| 2017 | 3 | 3 |
| 2018 | 2 | 2 |
| 2019 | 0 | 2 |
| 2020 | 5 | 5 |
| 2021 | 5 | 7 |
| 2022 | 2 | 8 |
| 2023 | 3 | 0 |
| 2024 | 3 | 3 |
| 2025 | 6 | 1 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Hollow fiber membrane and method for producing same28 Jul 2026US 12,691,415 B2Kolon Industries, Inc.
- Device and method for separating and recovering intestinal contents and extract thereof16 Dec 2025US 12,497,588 B2L&G Biotechnology (Yangzhou) Co., Ltd
- Gravity-driven chitosan-enhanced melamine sponge for stable ultrafast filtration9 Dec 2025US 12,492,509 B2Versitech Limited
- Polymer-based film, preparation method therefor, and use thereof14 Oct 2025US 12,440,808 B2Beijing Research Institute of Chemical Industry, China Petroleum & Chemical Corporation
- Fluid reactors10 Jun 2025US 12,324,876 B2CVD Equipment Corporation
- Biosensor materials6 Aug 2026US 2026/0227395 A1The Regents of the University of California
- Compositions for preparing membranes from polymer solutions23 Jul 2026US 2026/0208118 A1The Lubrizol Corporation
- Mechanically stable ultrafiltration membrane, and method for producing same28 May 2026US 2026/0145140 A1Sartorius Stedim Biotech GmbH
- Adsorptive membranes for recovery of lithium and solar-driven recycling of water from geothermal brines23 Oct 2025US 2025/0325945 A1University of Kentucky Research Foundation
- Strong Hollow-Fiber Membranes for Saline Desalination and Water Treatment21 Mar 2024US 2024/0091714 A1Gradiant Corporation
Most cited
By later US patents
- Preparation of a polymeric hydrogel containing micropores and macropores for use as a cell culture substrate134US 5,244,799 A1993
- Block copolymers131US 5,834,583 ACirce Biomedical, Inc. · 1998
- Microporous materials77US 5,238,613 A1993
- Process for manufacture of a porous polymer by use of a porogen58US 6,060,530 ACommonwealth Scientific and Industrial Research Organization · 2000
- Expanded porous thermoplastic polymer membranes and device for the production thereof56US 6,808,375 B2Sartorius AG · 2004