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)
07/1996
07/02/1996US5531959 Automated liquid handling and computer controlled system and method for solid phase chromatographic extractions
07/02/1996US5531810 Injection septum with dust wiper
07/02/1996US5531744 Alternative current pathways for bipolar surgical cutting tool
07/02/1996US5531106 Volume control system for a chromatograph
06/1996
06/27/1996WO1996019726A1 Method for determining the concentration of an ionic species in ion chromatography using membrane neutralisation
06/27/1996DE19546952A1 Gas analyser in form of plug-in module for rack
06/26/1996EP0718038A2 Apparatus for separating mixtures of microscopic small dielectric particles dispersed in a fluid or a gel
06/26/1996EP0718016A1 Basic structure for a liquid chromatography degasser
06/26/1996EP0717843A1 Code-marked support material for thin-layer chromatography
06/26/1996EP0717839A1 A high efficiency fluorescence flow cell
06/25/1996US5530540 Light scattering measurement cell for very small volumes
06/25/1996US5529935 In situ complexing of organoamine impurities with chlorosilane yields complex having higher boiling point than the chlorosilane
06/25/1996US5529686 Porous nonwoven fiber matrix; molecular sieve
06/20/1996WO1996018895A2 Chiral separation of enantiomers by high-speed countercurrent chromatography
06/20/1996WO1996018880A1 Chlorine quality monitoring system and method
06/20/1996WO1996005510A3 Printed fluid transport devices
06/19/1996EP0660744B1 Continuous chromatography
06/19/1996CN2229665Y Single column constructional double-column using for gas chromatograph
06/18/1996US5528366 Precision determination for molecular weights
06/18/1996US5528150 Gas sampling apparatus including a sealed chamber cooperative with a separate detector chamber
06/18/1996US5527901 Tetrasaccharides bonding to a label, a chromatograpic support or protective group for isolating, purifying antibodies
06/18/1996US5527673 Apparatus and method for transport of nucleic acid sequences by capillary action on a solid support and detection of the nucleic acid sequences
06/18/1996US5526682 Method and apparatus for analyzing sample solutions
06/13/1996WO1996018059A1 Functionalized fibrils
06/13/1996WO1996017824A2 Compounds and methods for monosaccharide analysis
06/13/1996DE4443754A1 Gas chromatograph with multi-capillary sepn. column
06/12/1996EP0716302A2 Liquid chromatography system and method for thermally stabilizing several columns of a liquid chromatography system
06/12/1996EP0715712A1 An improved method of detecting substances in a liquid
06/12/1996CN1124524A Opposable-element chromatographic assay device
06/12/1996CN1124523A Filler for high-performance liquid chromatography and method of manufacturing the same
06/11/1996US5525799 Portable gas chromatograph-mass spectrometer
06/11/1996US5525303 Integral fitting and filter of an analytical chemical instrument
06/11/1996US5524473 Gas chromatograph flow calibrator
06/06/1996WO1996017432A1 Removing low frequency interference in a digital fm receiver
06/06/1996WO1996016605A1 Alternative current pathways for bipolar surgical cutting tool
06/05/1996EP0715337A1 Mass spectrometry of solution and apparatus therefor
06/05/1996EP0681698A4 Crystallization analysis fractionization.
06/04/1996US5524084 Method and apparatus for improved flow and pressure measurement and control
06/04/1996US5523211 Subjecting to hydrolysis with a proteolytic enzyme and to high performance anion-exchange liquid chromatography
06/04/1996US5522994 Single column chromatographic determination of small molecules in mixtures with large molecules
06/04/1996US5522993 Process and means for down stream processing
06/04/1996US5522988 On-line coupled liquid and gas chromatography system with an interface capillary tube interposed between a pair of capillary chromatographic columns
06/04/1996US5522918 Apparatus for analyzing organic substance and method for the same
05/1996
05/30/1996WO1996016331A1 Method for depositing a conducting polymer into a tube by vapour phase chemical oxidation and its use as chromatography column
05/29/1996EP0713579A1 Method and apparatus for carbohydrate analysis
05/29/1996EP0713576A1 Device for concentrating trace components in a liquid
05/29/1996EP0713417A1 Accelerated solvent extraction system
05/29/1996EP0713416A1 Integral fitting and filter
05/28/1996US5521100 Method of determining the molecular weight distribution of carboxymethylcellulose or a salt thereof
05/28/1996US5521098 Thermionic ionization detector with flow-through thermionic source
05/28/1996US5520817 Method of fractionating components in liquid chromatography
05/28/1996US5519947 Microwave-assisted generation of volatiles, of supercritical fluid, and apparatus therefor
05/22/1996EP0712496A1 Quantitation of carbohydrate deficient transferrin in high alcohol consumption by hplc
05/22/1996EP0609373B1 Column with macroporous polymer media
05/22/1996EP0576494B1 Continuous chromatography
05/21/1996US5519635 Apparatus for chemical analysis with detachable analytical units
05/21/1996US5518622 Flowing solutions with ions with potentials, circulation and detection for analyzing
05/17/1996WO1996014568A1 Optical fiber waist refractometer
05/17/1996WO1996014151A1 Separating materials and process for their preparation
05/17/1996CA2203922A1 Optical fiber waist refractometer
05/15/1996EP0711742A1 Separating agent for optical isomers
05/15/1996EP0711412A1 Microlithographic array for macromolecule and cell fractionation
05/15/1996EP0711261A1 Zirconia particles
05/15/1996CN2227339Y Electro-spectrum-ion chromatograph
05/15/1996CN2227338Y Liquid chromatography device for separating dead oil component
05/15/1996CN1122373A Ferro-tungsten fluxing agent and its producing process
05/15/1996CN1031810C Gas-phase chromatography flame photometric detector with surface emission
05/14/1996US5516701 Sampling, swelling, mixing, measurement, adsorption, development of color, separation and measurement of light using silicic acid, ammonium molbbdate and water
05/14/1996US5516698 Methods and apparatus allowing sequential chemical reactions
05/09/1996WO1996000388A3 Selective removal of volatile substances injected into a chromatographic packing filled column
05/09/1996DE4439444A1 Trennmaterialien und Verfahren zu ihrer Herstellung Separating materials and processes for their preparation
05/08/1996EP0710836A2 Light detection apparatus for liquid chromatographs
05/08/1996EP0710219A1 Inorganic porous material and process for making same
05/08/1996CN2226768Y Aluminium trioxide filling capillary chromatographic column
05/08/1996CN2226767Y Atomic absorption colorimeter
05/07/1996US5515295 Method for determining the flow rate of a test fluid
05/07/1996US5514818 Resolution of stereoisomers of aliphatic epoxides
05/07/1996US5514576 Gene expression, engineering; dna sequence
05/07/1996US5514543 Screening for genetic disorders
05/02/1996WO1996012952A1 Air transportable, modular analytical laboratory
05/02/1996WO1996012546A1 Miniaturized planar columns for use in a liquid phase separation apparatus
05/02/1996WO1996012545A1 Miniaturized planar columns in novel support media for liquid phase analysis
05/02/1996WO1996012543A1 Methods and apparatus for protection of liquid chromatography columns
05/02/1996WO1996012541A1 Method and apparatus for diffusive transfer between immiscible fluids
05/02/1996WO1996012540A1 Method and apparatus for diffusive transfer between immiscible fluids
05/02/1996DE3690561C2 Chromatography column with horizontal sample flow
05/02/1996DE19530842A1 Anpaßbare Benutzerschnittstelle Customizable user interface
05/02/1996CA2203283A1 Method and apparatus for diffusive transfer between immiscible fluids
05/02/1996CA2203282A1 Method and apparatus for diffusive transfer between immiscible fluids
05/01/1996EP0709572A1 Pumping system with pistons displacing fluids at a constant flow rate
05/01/1996EP0708919A1 Stationary phases for use in hydrophobic interaction chromatography
05/01/1996EP0708686A1 Functional group containing activated carbons
04/1996
04/30/1996US5512170 Liquid chromatograph
04/30/1996US5512168 Programmable solid phase extraction and elution device
04/30/1996US5511409 Measurement of emission levels in a gas stream
04/25/1996WO1996012180A1 Process and device for liquid-chromatographic analyses and substance separations
04/24/1996EP0708331A1 Fully integrated miniaturized planar liquid sample handling and analysis device
04/24/1996EP0708330A1 Low voltage miniaturized column analytical apparatus and method
04/24/1996EP0708329A1 Capillary electrophoresis apparatus and its method
04/17/1996EP0707209A2 Temperature control in a portable analytical instrument