B01D 2323/225
Use of supercritical fluids
B01D2323/225 (Use of supercritical fluids) appears on 45 US grants and 49 published applications in this corpus.
Search patents in B01D- Granted patents
- 45
- Published applications
- 49
- Assignees
- 46
- Inventors
- 158
- Latest grant
- 31 Aug 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 3 |
| 2005 | 0 | 3 |
| 2006 | 2 | 5 |
| 2007 | 1 | 7 |
| 2008 | 3 | 2 |
| 2009 | 4 | 3 |
| 2010 | 6 | 3 |
| 2011 | 1 | 7 |
| 2012 | 1 | 6 |
| 2013 | 4 | 5 |
| 2014 | 6 | 2 |
| 2015 | 2 | 1 |
| 2016 | 1 | 0 |
| 2017 | 2 | 1 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Three dimensional nanoporous membrane having multiple independent, continuous pore systems31 Aug 2021US 11,103,832 B2Lawrence Livermore National Security, LLC
- Method for producing a filter intended to filter nanoparticles, obtained filter and associated method for the collection and quantitative analysis of nanoparticles5 Dec 2017US 9,833,750 B2Commissariat A L' Energie Atomique Et Aux Energies Alternatives
- Fabrication of complex three-dimensional structures based on directed assembly of self-assembling materials on activated two-dimensional templates10 Jan 2017US 9,539,788 B2Wisconsin Alumni Research Foundation
- Polybenzimidazole based membrane for deacidification16 Aug 2016US 9,415,352 B2Council of Scientific and Industrial Research
- Method for producing porous thermosetting resin sheet, porous thermosetting resin sheet and composite semipermeable membrane using same17 Nov 2015US 9,186,633 B2Nitto Denko Corporation
- Three dimensional nanoporous membrane having multiple independent, continuous pore systems26 Oct 2017US 2017/0304778 A1Lawrence Livermore National Security, LLC
- Method for producing a filter intended to filter nanoparticles, obtained filter and associated method for the collection and quantitative analysis of nanoparticles26 Nov 2015US 2015/0336059 A1Commissariat A L' Energie Atomique Et Aux Energies Alternatives
- Oleophobic Laminated Article26 Jun 2014US 2014/0178667 A1BHA Altair, LLC
- Fabrication of complex three-dimensional structures based on directed assembly of self-assembling materials on activated two-dimensional templates27 Mar 2014US 2014/0087142 A1Wisconsin Alumni Research Foundation
- Porous epoxy resin membrane, separator for nonaqueous electrolyte electricity storage devices, nonaqueous electrolyte electricity storage device, composite semipermeable membrane, and production methods thereof12 Dec 2013US 2013/0330591 A1Nitto Denko Corporation
Most cited
By later US patents
- Microfabricated filter and shell constructed with a permeable membrane96US 5,919,364 AThe Regents of the University of California · 1999
- Microfabricated filter and shell constructed with a permeable membrane59US 6,478,974 B1The Regents of the University of California · 2002
- Mesoporous materials and methods50US 7,419,772 B2University of Massachusetts · 2008
- Inorganic porous membrane46US 4,971,696 ANGK Insulators, Ltd. · 1990
- Apparatus for producing ultra-pure water by ion exchange resin43US 4,698,153 AHitachi, Ltd. · 1987