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| Number | Title | Issue Date |
| 7837873 | Method and apparatus for producing purified botanical oil Disclosed is a method for producing botanical oil with no by-produced trans fatty acids comprising the steps of; (1) introducing a raw oil obtained by squeezing plant seeds into a column having activated carbon filled therein from the upper part of the column... | 11/23/2010 |
| 7828966 | Method for purification of botanical oil without producing any trans fatty acid as by-product and apparatus for the method Disclosed is a method for producing botanical oil with no by-produced trans fatty acids comprising the steps of; (1) introducing a raw oil obtained by squeezing plant seeds into a column having activated carbon filled therein from the upper part of the ... | 11/09/2010 |
| 7332347 | Apparatus and method for concentrating and collecting analytes from a flowing liquid stream An apparatus for concentrating and collecting one or more analytes in a flowing liquid stream of a carrier solvent composed of one or more solvent components is provided, which includes a transfer tube which forms a bore having an inlet and an outlet, the inlet bein... | 02/19/2008 |
| 7285219 | Chromatographic separation member and method There is described a chromatographic separation member including a substrate carrying on at least one surface a thin layer of a chromatographically active capture material. Also described is a chromatographic separation method for separating a component of interest ... | 10/23/2007 |
| 7279105 | Arrangement and method for performing chromatography An arrangement for performing chromatography with a mobile phase and a chromatographic bed having a stationary phase is provided. The arrangement includes a support assembly configured to support the stationary phase. The support assembly has a sealed cavity configu... | 10/09/2007 |
| 7208085 | Caky chromatographic column and the method for producing it and its applications The present invention discloses a new and improved kind of chromatographic cake and its manufacturing methods and applications. The objective of this invention is to provide an improved chromatographic apparatus and methods for manufacturing such an apparatus, where... | 04/24/2007 |
| 7051758 | Scalable inlet liquid distribution system for large scale chromatography columns A uniform fluid distribution system (2) for use with a liquid transfer system (100) for maintaining an interface between liquid phases within a large scale separator system including a cell of circular or rectilinear cross-section into which liquid may... | 05/30/2006 |
| 7028536 | Sealing interface for microfluidic device A threadless interface for a fluidic system includes a microfluidic device having an outer surface and an internal near-surface channel having a first width and disposed at a first depth relative to the outer surface, with the first width being less than about two t... | 04/18/2006 |
| 6998047 | Cast membrane structures for sample preparation A method for casting-in-place composite and/or non-filled structures which are useful as sorptive or reactive media or for size-based separations. Any particular housing size or configuration can be used, and the inclusion of a large amount of adsorptive particles i... | 02/14/2006 |
| 6977372 | Method for feedback controlled electrospray Feedback control system for electrospray nozzle using optical system for monitoring and controlling dynamic or static morphology of the fluid exiting the electrospray nozzle. ... | 12/20/2005 |
| 6949194 | Disposable chromatographic columns To make an inexpensive chromatographic column and perform chromatography with it, column walls and a column end with an inlet port are molded integrally from plastic and a snap-on end is molded integrally with an outlet port from plastic. A filter is placed in one e... | 09/27/2005 |
| 6905031 | Solid phase microextraction device using aerogel A sample collection substrate of aerogel and/or xerogel materials bound to a support structure is used as a solid phase microextraction (SPME) device. The xerogels and aerogels may be organic or inorganic and doped with metals or other compounds to target specific c... | 06/14/2005 |
| 6884346 | Bonded phase photopolymerized sol-gel column and associated methods A separation column and a method of making the separation column are provided. The separation column includes a separation channel and a separation medium in the channel. The separation medium includes a porous matrix, and the porous matrix includes a support and a ... | 04/26/2005 |
| 6875348 | Separation column having a photopolymerized sol-gel component and associated methods A separation column and a method of preparing the separation column are provided. The separation column includes a separation channel and a porous matrix in the channel. The porous matrix includes a metal organic polymer, such as a photopolymer. The porous matrix ca... | 04/05/2005 |
| 6866785 | Photopolymerized sol-gel column and associated methods A separation column and a method of making the separation column are provided. The separation column includes a separation channel and fritless separation medium in the channel. The separation medium includes a porous matrix, and the porous matrix includes a metal o... | 03/15/2005 |
| 6783988 | Methods for quantitative and qualitative analyses of phospholipids using one-dimensional thin layer chromatography A highly sensitive and specific method for the detection and quantification of lipids is provided. Specifically, methods for the simultaneous detection and quantification of phospholipids extracted from mammalian tissues is described. The analytical methods provided... | 08/31/2004 |
| 6712972 | Method for the synthesis and evaluation of porphyrins, calix (4) pyrroles and allied macrocycles The present invention provides an innovative method based on reaction cum separation on single plate concept for efficient evaluation of porphyrins, calix(4)pyrroles and allied macrocycles by in-situ synthesis from pyrrole with aromatic aldehydes and ketones over ze... | 03/30/2004 |
| 6709584 | Device for analyzing substances by means of thin layer chromatography A device for analyzing substances by thin layer chromatography comprises a solvent trough with two solvent channels, wherein two wall plates are mounted in the solvent trough, enabling thin layer plates to be arranged obliquely with respect to the horizontal in the ... | 03/23/2004 |
| 6610202 | Arrangement and method for performing chromatography An arrangement for performing chromatography with a mobile phase and a chromatographic bed having a stationary phase is provided. The arrangement includes a support assembly configured to support the stationary phase. The support assembly has a sealed cav... | 08/26/2003 |
| 6497842 | Quantitative chromatographic measuring device and method for manufacturing the same In a chromatographic quantitative assay device and a manufacturing method thereof according to the present invention, as shown in FIG. 1, there are provided a non-moistenable reaction layer carrier support 1, a sample addition portion 2 for adding a liqui... | 12/24/2002 |
| 6465225 | Method and device for manipulating particles in microsystems For manipulation of particles in a fluidic microsystem (15) in which the particles are moved in a predetermined reference direction in a suspension liquid, the microsystem (15) is closed off at least at its end (17a, 17b) pointing to the reference directi... | 10/15/2002 |
| 6454939 | Illumination box and camera system A hand portable, field-deployable thin-layer chromatography (TLC) unit and a hand portable, battery-operated unit for development, illumination, and data acquisition of the TLC plates contain many miniaturized features that permit a large number of sample... | 09/24/2002 |
| 6395178 | Thin porous layers for thin-layer chromatography Novel separation materials for thin layer chromatography are disclosed; these consist of a support and a separation medium layer and are obtainable by the following process steps: a) cleaning of the support; b) application of a liquid film comprising a polysil... | 05/28/2002 |
| 6331254 | Methods of separation and detection Methods which employ thin layer chromatography for separating and detecting hydrophobic target molecules are particularly useful in separating biologically relevant lipids. By utilizing non-destructive detection techniques, these methods also can be adapt... | 12/18/2001 |
| 6264893 | Method and apparatus for developing thin layer chromatography plates for maximizing mobile phase conditions in column chromatography An apparatus for conducting multiple thin layer chromatographic processes including an array of receptacles, each receivable of chromatographic fluid, a support structure for supporting the receptacles, and a retaining unit for retaining thin layer chroma... | 07/24/2001 |
| 6238928 | Analytical process for testing mixtures for toxic constituents The mixture to be tested for toxic components is first separated into fractions by chromatography. The separated fractions are then contacted with luminescent microorganisms in the chromatographic system itself and the toxicity of the fractions is determi... | 05/29/2001 |
| 6156431 | Extraction material comprising treated silica and method for determination of gamma-hydroxybutyrate A treated silica composition particularly useful for solid phase extraction in chemical analysis, the silica having both phenyl and propylsulfonic acid functional groups; a cartridge for extraction which comprises the treated silica; a column for extracti... | 12/05/2000 |
| 6096205 | Hand portable thin-layer chromatography system A hand portable, field-deployable thin-layer chromatography (TLC) unit and a hand portable, battery-operated unit for development, illumination, and data acquisition of the TLC plates contain many miniaturized features that permit a large number of sample... | 08/01/2000 |
| 6019896 | Method for using a quality metric to assess the quality of biochemical separations A method for performing separation assays of biochemical samples includes computing a quality metric based on peak data produced during the separation run. The quality metric is the basis for selecting a subsequent step in the assay, including whether to ... | 02/01/2000 |
| 5882939 | Separating materials for linking TLC and FTIR The invention concerns separating materials for thin-layer chromatography, the materials having a sorbent layer formed from sorbent particles and disposed on a carrier. A reflection intensifier, preferably magnesium tungstate and/or Bi2 O3... | 03/16/1999 |
| 5773576 | Coded thin layer chromatography support Support materials for thin-layer chromatography characterized by a marker code applied using laser light.... | 06/30/1998 |
| 5762877 | Chemical sample concentrating device The present invention advances a chemical concentrating device for use with thin layer chromatographic, gas chromatographic, high pressure liquid chromatographic, and capillary electrophoresis analysis. The concentrating device has a T-shaped member havin... | 06/09/1998 |
| 5728301 | Apparatus and method for thin layer chromatography A method for spectral analysis of mixtures is disclosed using thin layer chromatography for separation of the components of the mixture followed by taking FTIR spectroscopic readings along the vertical length of the coated support.... | 03/17/1998 |
| 5683916 | Membrane affinity apparatus and purification methods related thereto A method and apparatus for carrying out affinity purification of a ligate. The method comprising, (a) providing a ligate containing liquid to a first side of at least one porous hollow fiber membrane with a ligand immobilized thereto that binds and separa... | 11/04/1997 |
| 5643447 | Thin layer chromatographic plates The invention provides a planar chromatographic plate comprising a supported homogeneous thin porous film of ceramic material produced by sol-gel technology the film being provided with a porous network enabling elution through the film whereby planar chr... | 07/01/1997 |
| 5635060 | Composite membranes for solid phase extractions and reactions A solid phase extraction or chromatographic medium comprises a porous nonwoven fibrous matrix comprising at least one of polytetrafluoroethylene and blown microfibers, and sorptive or reactive hydrophobic siliceous molecular sieve particulates enmeshed in... | 06/03/1997 |
| 5538634 | Solid phase extraction filtration disk and method for its manufacture A solid phase extraction (SPE) filtration disk provides a glass fiber disk embedded with bonded silica/particulate chemistries homogeneously dispersed throughout the disk. Bonded silica/particulate chemistries are added to the glass fibers (and acidified ... | 07/23/1996 |
| 5529686 | Composite membranes for solid phase extractions and reactions A solid phase extraction or chromatographic medium comprises a porous nonwoven fibrous matrix comprising at least one of polytetrafluoroethylene and blown microfibers, and sorptive or reactive hydrophobic siliceous molecular sieve particulates enmeshed in... | 06/25/1996 |
| 5482677 | Thermally desorbable passive dosimeter A passive dosimeter with a structurally reinforced sorbent wafer is used for monitoring a worker's exposure to ambient aromatics (benzene, toluene, ethylbenzene and xylenes). The wafer is preferably formed by pressing 4 mg of sorbent material between two ... | 01/09/1996 |
| 5350510 | Apparatus for thin layer chromatography An apparatus for use in the performance of thin layer chromatography of the type which utilizes a thin bag as the developing chamber for the chromatogram is provided. The apparatus has a pair of substantially identical frames which hold the bag between th... | 09/27/1994 |
