G01N 2030/8423
Using permeable separator tubes
Official title: {using permeable separator tubes}
G01N2030/8423 (Using permeable separator tubes) appears on 12 US grants and 5 published applications in this corpus.
Search patents in G01N- Granted patents
- 12
- Published applications
- 5
- Assignees
- 7
- Inventors
- 26
- Latest grant
- 25 Dec 2018
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 1 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Degassing liquid eluent of a preparative SFC fluid chromatography system25 Dec 2018US 10,159,913 B2Waters Technologies Corporation
- Membrane based volatile component-removal devices for liquid chromatography11 Dec 2007US 7,306,720 B2Dionex Corporation
- Continuous flow apparatus and method for interfacing liquid chromatograph and fourier transform infrared spectrometer23 Jul 1996US 5,538,643 AThe Dow Chemical Company
- Membrane-based fluid separations apparatus22 Aug 1995US 5,442,968 AThe Dow Chemical Company
- Sample probe with temperature monitoring and/or control21 Mar 1995US 5,398,559 AThe Dow Chemical Company
- Degassing liquid eluent of a preparative sfc fluid chromatography system18 May 2017US 2017/0136389 A1Waters Technologies Corporation
- Apparatus and methods for high-throughput analysis17 Nov 2011US 2011/0281763 A1Microvast, Inc.
- Membrane based volatile component-removal devices for liquid chromatography18 Sep 2008US 2008/0223787 A1Dionex Corporation
- Concentration techniques in chromatographic separation5 Apr 2007US 2007/0077546 A1
- Membrane based volatile component-removal devices for liquid chromatography23 Feb 2006US 2006/0037911 A1Dionex Corporation
Most cited
By later US patents
- Isotope-ratio-monitoring gas chromatography-mass spectrometry apparatus and method118US 5,012,052 AIndiana University Foundation · 1991
- Interface for coupling liquid chromatography to solid or gas phase detectors85US 4,883,958 AVestec Corporation · 1989
- Interface for coupling liquid chromatography to solid or gas phase detectors69US 4,958,529 AVestec Corporation · 1990
- Sample probe34US 5,317,932 AThe Dow Chemical Company · 1994
- Liquid chromatographic method and apparatus with hollow fiber device for post-column derivatization33US 4,448,691 AThe Dow Chemical Company · 1984