B01D 2323/22
Specific non-solvents or non-solvent system
B01D2323/22 (Specific non-solvents or non-solvent system) appears on 88 US grants and 122 published applications in this corpus.
Search patents in B01D- Granted patents
- 88
- Published applications
- 122
- Assignees
- 94
- Inventors
- 360
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 2 |
| 2004 | 1 | 3 |
| 2005 | 2 | 6 |
| 2006 | 1 | 4 |
| 2007 | 5 | 4 |
| 2008 | 1 | 4 |
| 2009 | 3 | 2 |
| 2010 | 4 | 2 |
| 2011 | 1 | 5 |
| 2012 | 1 | 3 |
| 2013 | 4 | 3 |
| 2014 | 2 | 6 |
| 2015 | 5 | 3 |
| 2016 | 3 | 8 |
| 2017 | 2 | 7 |
| 2018 | 3 | 4 |
| 2019 | 4 | 6 |
| 2020 | 2 | 7 |
| 2021 | 11 | 15 |
| 2022 | 2 | 10 |
| 2023 | 1 | 7 |
| 2024 | 12 | 6 |
| 2025 | 5 | 4 |
| 2026 | 1 | 1 |
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.
- Polymer-based film, preparation method therefor, and use thereof14 Oct 2025US 12,440,808 B2Beijing Research Institute of Chemical Industry, China Petroleum & Chemical Corporation
- Alkali-stable nanofiltration composite membrane and method of manufacture thereof30 Sep 2025US 12,427,486 B2Bl Technologies, Inc.
- Porous membrane22 Jul 2025US 12,364,954 B2Asahi Kasei Medical Co., Ltd.
- Nanoporous selective sol-gel ceramic membranes28 Jan 2025US 12,208,362 B2University of Washington
- Fabrication of membranes via combined evaporation and precipitant induced phase separation10 Sep 2026US 2026/0264022 A1Sartorius Stedim Biotech GmbH
- Hydrophobic and Porous Sorbent Polymer Composites and Methods for CO2 Capture23 Oct 2025US 2025/0325962 A1Battelle Memorial Institute
- Nanoporous selective sol-gel ceramic membranes7 Aug 2025US 2025/0249411 A1University of Washington
- Poly(quinoline) membranes19 Jun 2025US 2025/0196072 A1Entegris, Inc.
- A process for the preparation of a supported carbon membranes (cms)20 Feb 2025US 2025/0059043 A1Fundacion Tecnalia Research & Innovation
Most cited
By later US patents
- Method for continuous fabrication of carbon nanotube networks or membrane materials84US 7,459,121 B2The Florida State University Research Foundation, Inc. · 2008
- Poly(ethylene chlorotrifluoroethylene) membranes80US 7,247,238 B2Siemens Water Technologies Corp. · 2007
- Inorganic anisotropic hollow fibers73US 4,175,153 AMonsanto Company · 1979
- Membrane polymer compositions68US 7,226,541 B2Siemens Water Technology Corp. · 2007
- Poly(ethylene chlorotrifluoroethylene) membranes57US 7,632,439 B2Siemens Water Technologies Corp. · 2009