G01N 2030/165
Retention gaps
Official title: {retention gaps}
G01N2030/165 (Retention gaps) appears on 16 US grants and 3 published applications in this corpus.
Search patents in G01N- Granted patents
- 16
- Published applications
- 3
- Assignees
- 8
- Inventors
- 28
- Latest grant
- 26 Oct 2010
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 2 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Method and apparatus for injecting samples in gas chromatography26 Oct 2010US 7,818,994 B2Thermo Electron Corporation
- Method and device for vaporization injection of high volumes in gas chromatographic analysis18 Oct 2005US 6,955,709 B2Thermo Electron Corporation
- Chromatographic method and chromatographic columns therefor23 Jul 2002US 6,423,220 B1Trikonex AB
- Gas chromatographic method18 May 1999US 5,904,749 A
- On-line coupled liquid and gas chromatography system with an interface capillary tube interposed between a pair of capillary chromatographic columns4 Jun 1996US 5,522,988 AThe Dow Chemical Company
- Method and Apparatus for Injecting Samples in Gas Chromatography23 Oct 2008US 2008/0257013 A1Thermo Electron Corporation
- Method and device for vaporization injection of high volumes in gas chromatographic analysis30 Sep 2004US 2004/0187682 A2Thermo Finnigan Italia S.p.A.
- Method and device for vaporization injection of high volumes in gas chromatographic analysis18 Mar 2004US 2004/0050251 A1Thermo Electron Corporation
Most cited
By later US patents
- Method for on-column injection gas chromatography26US 4,962,042 AThe Dow Chemical Company · 1990
- Solute focusing technique for on-column injection in capillary gas chromatography25US 4,477,266 AVarian Associates, Inc. · 1984
- On-line coupled liquid and gas chromatography system24US 4,935,145 AThe Dow Chemical Company · 1990
- Method and device for vacuum chromatography18US 4,713,963 A1987
- Method and device for vaporization injection of a liquid sample for gas chromatographic analysis16US 4,383,839 ACarlo Erba Strumentazione S.p.A. · 1983