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Class Information
Number: 210/198.3
Name: Liquid purification or separation > With means to add treating material > Chromatography > Thin layer, e.g., plate, etc.
Description: Apparatus under subclass under 198.2 utilizing an absorbent cake spread on usually a smooth plate to a depth of about 0.5 mm.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7279105 |
Arrangement and method for performing chromatography |
Oct. 9, 2007 |
| 7208085 |
Caky chromatographic column and the method for producing it and its applications |
Apr. 24, 2007 |
| 6884346 |
Bonded phase photopolymerized sol-gel column and associated methods |
Apr. 26, 2005 |
| 6875348 |
Separation column having a photopolymerized sol-gel component and associated methods |
Apr. 5, 2005 |
| 6866785 |
Photopolymerized sol-gel column and associated methods |
Mar. 15, 2005 |
| 6783988 |
Methods for quantitative and qualitative analyses of phospholipids using one-dimensional thin layer chromatography |
Aug. 31, 2004 |
| 6712972 |
Method for the synthesis and evaluation of porphyrins, calix (4) pyrroles and allied macrocycles |
Mar. 30, 2004 |
| 6709584 |
Device for analyzing substances by means of thin layer chromatography |
Mar. 23, 2004 |
| 6610202 |
Arrangement and method for performing chromatography |
Aug. 26, 2003 |
| 6497842 |
Quantitative chromatographic measuring device and method for manufacturing the same |
Dec. 24, 2002 |
| 6465225 |
Method and device for manipulating particles in microsystems |
Oct. 15, 2002 |
| 6454939 |
Illumination box and camera system |
Sep. 24, 2002 |
| 6395178 |
Thin porous layers for thin-layer chromatography |
May. 28, 2002 |
| 6331254 |
Methods of separation and detection |
Dec. 18, 2001 |
| 6303029 |
Arrangement and method for performing chromatography |
Oct. 16, 2001 |
| 6264893 |
Method and apparatus for developing thin layer chromatography plates for maximizing mobile phase conditions in column chromatography |
Jul. 24, 2001 |
| 6238928 |
Analytical process for testing mixtures for toxic constituents |
May. 29, 2001 |
| 6156431 |
Extraction material comprising treated silica and method for determination of gamma-hydroxybutyrate |
Dec. 5, 2000 |
| 6096205 |
Hand portable thin-layer chromatography system |
Aug. 1, 2000 |
| 6019896 |
Method for using a quality metric to assess the quality of biochemical separations |
Feb. 1, 2000 |
| 5882939 |
Separating materials for linking TLC and FTIR |
Mar. 16, 1999 |
| 5773576 |
Coded thin layer chromatography support |
Jun. 30, 1998 |
| 5762877 |
Chemical sample concentrating device |
Jun. 9, 1998 |
| 5728301 |
Apparatus and method for thin layer chromatography |
Mar. 17, 1998 |
| 5683916 |
Membrane affinity apparatus and purification methods related thereto |
Nov. 4, 1997 |
| 5643447 |
Thin layer chromatographic plates |
Jul. 1, 1997 |
| 5635060 |
Composite membranes for solid phase extractions and reactions |
Jun. 3, 1997 |
| 5538634 |
Solid phase extraction filtration disk and method for its manufacture |
Jul. 23, 1996 |
| 5538634 |
Solid phase extraction filtration disk and method for its manufacture |
Jul. 23, 1996 |
| 5529686 |
Composite membranes for solid phase extractions and reactions |
Jun. 25, 1996 |
| 5482677 |
Thermally desorbable passive dosimeter |
Jan. 9, 1996 |
| 5350510 |
Apparatus for thin layer chromatography |
Sep. 27, 1994 |
| 5340746 |
Composite reactive articles for the determination of cyanide |
Aug. 23, 1994 |
| 5320811 |
Thin layer chromatography direct sample application manifold |
Jun. 14, 1994 |
| 5306645 |
Concentration and transfer methods for a chromatogram and an LC/IR measuring method |
Apr. 26, 1994 |
| 5238621 |
Method of controlling porosity in a composite article |
Aug. 24, 1993 |
| 5171528 |
Device for differentiating the source of occult gastro-intestinal bleeding |
Dec. 15, 1992 |
| 5165292 |
Channel Device and tube connection and their fabrication procedures |
Nov. 24, 1992 |
| 5162155 |
Silane coated inorganic materials for chromatography |
Nov. 10, 1992 |
| 5147539 |
Controlled pore composite polytetrafluoroethylene article |
Sep. 15, 1992 |
| 5116495 |
Capillary chromatography device |
May. 26, 1992 |
| 5110784 |
Dual surface porous material |
May. 5, 1992 |
| 5082559 |
Glass chromatography capillary with relatively thick coating |
Jan. 21, 1992 |
| 5071610 |
Method of making a controlled pore composite polytetrafluoroethylene |
Dec. 10, 1991 |
| 4999285 |
Chromatographic cassette |
Mar. 12, 1991 |
| 4986909 |
Chromatography column |
Jan. 22, 1991 |
| 4983566 |
Surface-modified adsorbent comprising metal oxide/hydroxide particles reacted with one or more perfluorinated organic acids |
Jan. 8, 1991 |
| 4981785 |
Apparatus and method for performing immunoassays |
Jan. 1, 1991 |
| 4950634 |
Method for producing dual zone materials by use of an organosilane mixture |
Aug. 21, 1990 |
| 4950635 |
Method for producing dual zone materials by catalyzed halosilylation |
Aug. 21, 1990 |
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