Patents
Patents for G01N 30 - Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography (41,194)
05/1993
05/25/1993US5213763 Device and method for transferring a fluid sample between two chambers and application in particular to gas chromatography
05/25/1993US5213683 Apparatus for charging and discharging of chromatography column bed
05/25/1993CA1318308C Packing material for chromatographic use and method for analysis of enantiomer mixture using the same
05/25/1993CA1318261C Method of purifying and depositing group iiia and group va compounds to produce epitaxial films
05/19/1993EP0541645A1 Method of purifying cytokeratin 20, and the use of cytokeratin 20 to produce antibodies
05/19/1993CN2133842Y Gas tester for directly measuring hydrocarbon content from drilling fluid
05/18/1993US5212097 Method for analysis of catecholamine
05/18/1993US5211877 Crosslinked resins
05/18/1993US5211829 Analytical method and apparatus using capillary tube
05/18/1993CA1317887C Method of chromatographic separation
05/18/1993CA1317876C Bi-directional lateral chromatographic test device
05/18/1993CA1317863C Solid phase assay employing capillary flow
05/18/1993CA1317793C Dosimeter construction
05/15/1993CA2082899A1 Analysis of aluminum in amino acids by high performance liquid chromatography
05/13/1993WO1993009429A1 Apparatus and method for simultaneous supercritical fluid extraction and gas chromatography
05/13/1993WO1993009075A1 Method for separating enantiomers of aryloxipropanolamine derivatives, and chiral solid-phase chromatography material for use in the method
05/13/1993WO1993008903A1 Process and capillary columns for separating enantiomers
05/12/1993EP0540720A1 Time compressed chromatography in mass spectrometry
05/11/1993US5209853 Liquid chromatography
05/11/1993CA1317481C System and method for broad spectrum drug detection
05/06/1993DE4136462A1 Verfahren zur enantiomerentrennung an chiral modifizierten trennoberflaechen durch elektromigration in kapillarsaeulen Process for the separation of enantiomers on chiral modified trennoberflaechen by capillary electromigration in
05/05/1993CN1071600A Particle-loaded blown microfiber article for separations and purifications
05/05/1993CN1071585A Methods of treatment of motor neuron diseases using members of bdnf/nt-3/ngf family of molecule
05/04/1993US5208466 Apparatus and method for aligning capillary column and detection optics
05/04/1993US5208458 Interface device to couple gel electrophoresis with mass spectrometry using sample disruption
05/04/1993US5208160 Automatic separation with adsorbants
05/04/1993US5207918 Column analyzer system
05/04/1993US5207915 Separation method using controlled pore composite polytetrafluoroethylene article
05/04/1993US5207109 Internal-external sample injector
05/04/1993CA1317272C Packing for liquid chromatography
04/1993
04/29/1993WO1993007945A1 Column with macroporous polymer media
04/28/1993EP0538828A2 Process for the separation of the non, mono and bifunctional species in perfluoropolyoxyalkylenes
04/28/1993EP0538827A2 Process for the separation of the non, mono and bifunctional species in perfluoropolyoxyalkylenes
04/28/1993EP0538678A2 O-FID analytical equipment and method
04/28/1993EP0538467A1 Process and means for down stream processing
04/27/1993US5206594 Apparatus and process for improved photoionization and detection
04/27/1993US5205987 Having orifice allowing all analyte to be collected
04/27/1993US5205929 Particles having controlled size and porosity for chromatographic immobilization and separation of proteins, enzymes, antibodies
04/27/1993US5205845 Mechanical gas chromatography injection valves and column multiplexing techniques
04/27/1993US5205178 Method for non-intrusive continuous and automatic taking of samples, storing and supplying of samples and data for a possible evaluation
04/27/1993US5205154 Apparatus and method for simultaneous supercritical fluid extraction and gas chromatography
04/27/1993CA1316901C Liquid chromatography packing materials and method for making and using same
04/21/1993EP0537586A1 Complexes of boric acid as stationary phase in liquid chromatography
04/21/1993EP0537461A1 Modified chromatographic support
04/21/1993EP0476038B1 Chemical products
04/20/1993US5203992 Apparatus for optimizing the liquid chromatographic separation of a sample
04/20/1993US5203991 Polyalkyleneamine linked through a spacer to a porous silica gel coated with a silicone polymer; analysis of sugars
04/20/1993CA1316523C Liquid chromatography dual zone packing materials and method for making and using same
04/15/1993WO1993007482A1 Apparatus and method for aligning capillary column and detection optics
04/15/1993WO1993007481A1 Identification of sulfonation by-products by ion chromatography
04/15/1993WO1993007292A1 Method and apparatus for detection of nucleic acid sequences
04/15/1993WO1993007168A2 Protein chromatography system
04/15/1993WO1993006925A1 Covalently reactive particles incorporated in a continuous porous matrix
04/15/1993WO1993006924A1 Particle-loaded nonwoven fibrous article for separations and purifications
04/15/1993CA2120327A1 Protein chromatography system
04/15/1993CA2114732A1 Covalently reactive particles incorporated in a continuous porous matrix
04/14/1993EP0536930A1 Apparatus for interfacing liquid chromatography-mass spectrometry systems
04/13/1993CA1315968C Substrate and process for making a substrate
04/10/1993WO1993007104A1 Separating agent comprising bonded conalbumin
04/10/1993CA2097719A1 Separating agent comprising bonded conalbumin
04/08/1993DE4233231A1 Spectrometric microanalysis for investigation of minute organic particles - evaporating solvent from small quantity of solution, and evaluating infrared spectrum reflected by result
04/07/1993EP0535162A1 Analyte variant analysis.
04/07/1993EP0407469B1 Process and device for non-intrusively, continuously and automatically taking, storing and supplying analysis samples and data for future evaluation
04/07/1993CN1070735A Making method and equipment for thin-layer developing instrument
04/06/1993US5200068 Controlled charge chromatography system
04/01/1993WO1993006479A1 Crystallization analysis fractionization
04/01/1993WO1993006393A1 Seal
04/01/1993DE4132227A1 Dichtung Seal
04/01/1993CA2113460A1 Crystallization analysis fractionization
03/1993
03/31/1993EP0534016A1 Liquid chromatographic matrices and liquid chromatography using same
03/31/1993EP0533909A1 On-line product identification in a chromatography effluent by subtraction.
03/31/1993EP0533763A1 Fractionated agaroid compositions, their preparation, and use
03/31/1993CN1070482A Absorbance analyzer and data processing method for chromatograph
03/31/1993CN1070481A Determination method of all component contents of leucosin and medemycin
03/30/1993US5198988 Method of determining optimum operating conditions in an electrochemical detector and electrochemical detector using the method
03/30/1993US5198429 Substituted cyclodextrins and process for chromatographic separation of chiral organic compounds
03/30/1993US5198197 Apparatus and method for supercritical fluid extraction
03/30/1993US5198115 Integrated instrument for supercritical fluid sample extraction, sample separation and concentration
03/30/1993US5198009 Method of manufacturing glass beads for use in thermionic gas chromatographic detectors
03/30/1993US5197192 Method of making a fluid control valve
03/30/1993CA1315177C Integrated three-way and isolation solenoid valve
03/25/1993WO1993006475A1 Electrophoresis with chemically suppressed detection
03/24/1993EP0532733A1 Thin-layer chromatography process and device bringing into play a reduced pressure as the forced flow means
03/23/1993US5196700 Ion source of mass spectrometer
03/23/1993US5196575 Solvent extraction, carbon dioxide
03/23/1993US5196170 Carbon particulate monitor
03/23/1993US5196115 Controlled charge chromatography system
03/23/1993US5196039 Chromatography
03/18/1993WO1993005068A1 Selective affinity material, preparation thereof by molecular imprinting, and use of the same
03/17/1993EP0531994A1 Reaction apparatus for biochemical examination
03/17/1993EP0531616A1 Capillary tube made of special alloy and method for producing the same
03/17/1993EP0494967A4 Chiral separation media
03/17/1993CN2128385Y Negative pressure thermal conduction tester for capillary gas chromatography
03/16/1993US5194949 Video densitometer
03/16/1993US5194915 Photometric apparatus and process
03/16/1993US5194814 Electrolytic conductivity detector
03/16/1993US5194512 Surface-modified polyacrylonitrile substrates
03/16/1993US5194333 Silica gel and a coating of polycarbosilanes
03/16/1993US5194226 Dosing device for analyzing apparatus
03/16/1993US5194225 Modular system with high strength