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)
03/1992
03/25/1992EP0476595A2 Flow injection analysis system
03/25/1992EP0476248A1 Microflow cell
03/25/1992EP0476062A1 Miniaturized mass spectrometer system.
03/25/1992EP0476038A1 Chemical products.
03/24/1992US5098784 Coating powder with thermosetting resin and heating to carbonize it
03/24/1992US5098678 Chromatographic separation of zirconium isotopes
03/24/1992US5098576 Adsorbents for chromatography and adsorption processes
03/24/1992US5098563 No leakage, precision
03/24/1992US5098451 A metal tube with a coating, a heater and cooling means
03/19/1992DE4029421A1 Stationary phase used in chromatography - obtd. by treating silica gel with titanium alkoxide soln. and then hydrolysing to produce titanium di:oxide coating
03/18/1992EP0475533A2 Method and apparatus for the introduction of a volume of at least one fluid in a tube, in particular suitable for capillary electrophoresis systems and method and apparatus for separating and/or analyzing a fluid material
03/18/1992EP0475250A2 Pulsed flame analyzing method and detector apparatus for use therein
03/18/1992EP0474741A1 Apparatus and method for sampling.
03/18/1992EP0293465B1 Phospholipid composition
03/18/1992CN2099317U Sample injection device
03/17/1992US5096471 High speed, accuracy; vacuum pump
03/11/1992CN2098687U Electric coater
03/10/1992US5095092 Process for the isolation and purification of hirudin
03/10/1992US5094960 Removal of process chemicals from labile biological mixtures by hydrophobic interaction chromatography
03/10/1992US5094815 Photolytic interface for HPLC-chemiluminescence detection of non volatile N-nitroso compounds
03/10/1992US5094753 Disposable extraction cartridge
03/10/1992US5094741 Decoupled flow and pressure setpoints in an extraction instrument using compressible fluids
03/10/1992US5094099 Chromatographic collection apparatus and method for sequential condensed and vapor phase spectroscopic studies
03/05/1992WO1992003726A1 Method of, arrangement and separation unit for carrying out separation analysis investigations in a planar system with forced flow of a fluid carrier medium, especially by the means of overpressurized layer chromatography
03/05/1992DE4027009A1 Gas chromatographic sepn. process
03/04/1992CN2098034U Detecting instrument computer for false farm chemicals
03/03/1992USH1027 Aerosol modulating nozzle
03/03/1992US5093269 Process and arrangement for determining at least one component of a test gas
03/03/1992US5093267 Method for biochemical assay and an analyzer for the method
03/03/1992US5093004 Combination of simulated countercurrent gradient and elution gradient techniques
03/03/1992US5092349 Cigarette quality assurance method
03/03/1992US5092220 Detecting nitro explosives
03/03/1992US5092219 Selective decomposition of nitrite esters and nitramines
03/03/1992US5092218 Selective detection of explosives vapors
03/03/1992US5092217 Method of calibrating a vapor detector
03/03/1992US5092157 Vapor collector/desorber with metallic ribbon
03/03/1992US5092156 Vapor collector/desorber with tube bundle and metal foil
03/03/1992US5092155 High speed detection of vapors of specific compounds
02/1992
02/26/1992EP0471930A1 Method for real time compensation of fluid compressibility in high pressure reciprocating pumps
02/25/1992US5091652 Laser excited confocal microscope fluorescence scanner and method
02/25/1992US5091433 Column-packing material for gel-permation chromatography, method for its preparation, and applications
02/25/1992US5091092 Single-loop chromatography system and method
02/23/1992WO1992003729A1 Method for determining boar taint producing indole compounds in pork as well as a sample container to be used by the method
02/23/1992CA2090019A1 Method for determining boar taint producing indole compounds in pork as well as a sample container to be used by the method
02/20/1992WO1992002814A1 Mixed bed columns for liquid chromatography and process for filling them
02/20/1992WO1992002813A1 Short path thermal desorption apparatus for use in gas chromatography techniques
02/20/1992WO1992002812A1 Method and service for preparation of standard vapour-gas mixture of substance to be analyzed
02/20/1992WO1992002558A1 Method of purifying cytokeratin 20, and the use of cytokeratin 20 to produce antibodies
02/20/1992WO1992002283A1 Chiral separation media
02/20/1992WO1992001222A3 Process for injecting a sample into the separation column of a gas-phase chromatograph and injection device for carrying out said process
02/18/1992US5089138 Separating with an agent comprising an aliphatic ester of a polysaccharide
02/18/1992US5089126 Method and apparatus for capillary hydrodynamic fractionation
02/18/1992US5089125 Chromatography column with sealing arrangement
02/18/1992US5089124 Gradient generation control for large scale liquid chromatography
02/18/1992CA1295985C Method for separating and purifying protein antigens from bordetella bacteria
02/12/1992WO1992003206A1 Apparatus for the selective removal of chemical species from a fluid
02/12/1992CA2088764A1 Apparatus for the selective removal of chemical species from a fluid
02/11/1992WO1992002815A2 Quantitative analysis and monitoring of protein structure by subtractive chromatography
02/11/1992US5087360 Field-portable apparatus and method for analytical supercritical fluid extraction of sorbent materials
02/11/1992US5087275 Electrochemical sensor having microcavities
02/11/1992CA2088360A1 Quantitative analysis and monitoring of protein structure by substractive chromatography
02/08/1992CA2047902A1 Chromatography cartridge
02/06/1992DE4024290A1 Mischbettsaeulen fuer die fluessigchromatographie und verfahren zu ihrer fuellung Mischbettsaeulen for liquid chromatography and proceed to MHG
02/05/1992EP0469913A1 Fluid flow control valves
02/05/1992EP0469830A1 Electrode for a coulometric type of electrochemical detector
02/05/1992EP0469519A2 Method for analyzing glycoalbumin
02/05/1992EP0469146A1 On-capillary gap junction for fluorescence detection in capillary electrophoresis.
02/04/1992US5086254 Microwave excited helium plasma photoionization detector
01/1992
01/30/1992DE4023945A1 Verfahren zur reinigung von cytokeratin 20 und dessen verwendung zur erzeugung von antikoerpern A process for purification of cytokeratin 20 and its use for the production of antibodies
01/29/1992EP0468487A2 Method of detecting angle of optical rotation in solution having time-dependent concentration, detection apparatus therefor, and detector cell therefor
01/29/1992CN2094745U High-efficient liquid phase colour spectrum column with protective column
01/29/1992CN1058272A Electro-migration micro-ionic chromatographis analyzer
01/28/1992US5084184 Providing in a column a bed of magnetizable adsorbent solids, flowing fluid to a focusing zone
01/28/1992US5084169 Stationary magnetically stabilized fluidized bed for protein separation and purification
01/28/1992US5084150 Capillary column with colloid particles
01/28/1992US5084104 Chromatography, anion exchange resin in sulfate form
01/28/1992US5083862 Liquid bubble detector
01/28/1992US5083742 Fluid control valve
01/28/1992US5083450 Gas chromatograph-mass spectrometer (gc/ms) system for quantitative analysis of reactive chemical compounds
01/28/1992CA1294970C Optically active (meth)acrylamides, polymers thereof, process for their preparation, and their use for racemate resolution
01/23/1992WO1992001222A2 Process for injecting a sample into the separation column of a gas-phase chromatograph and injection device for carrying out said process
01/23/1992DE4124058A1 Glyco haemoglobin measurement by HPLC - by simultaneously sepg. glyco haemoglobin, haemoglobin and haemoglobin derivs. and removing labile haemoglobin to measure stable haemoglobin
01/22/1992EP0467665A2 Gradient generation control for large scale liquid chromatography
01/21/1992US5083021 Mass spectrometer with quadrupole filter and movable carrier providing access to the ion source
01/21/1992US5083020 Mass spectrometer
01/21/1992US5083004 Spectroscopic plasma torch for microwave induced plasmas
01/21/1992US5082566 Calcium-phosphate type hydroxyapatite for chromatographic separation and process for producing same
01/21/1992US5082559 Glass chromatography capillary with relatively thick coating
01/19/1992CA2046538A1 Gradient generation control for large scale liquid chromatography
01/16/1992DE4120354A1 Soil gas sampling and on-site analysis - using combined probe and drill tubing with internal packer system
01/15/1992EP0466291A2 Apparatus and method for supercritical fluid extraction
01/15/1992EP0465598A1 Method and apparatus for capillary hydrodynamic fractionation
01/15/1992EP0367795A4 Affinity separating using immobilized flocculating reagents
01/14/1992US5081047 Zero gravity compatible total carbon and organic carbon analyzer
01/14/1992US5080798 Monitoring oligomers in a polymer
01/14/1992US5080785 Chromatographic system
01/14/1992US5080784 Solvent mixing device for liquid chromatography
01/10/1992WO1992000799A1 Substance carrying conglomerate
01/10/1992CA2020753A1 Selective detection of vapors
01/09/1992WO1992000014A1 Method for treating colostrum by hydroxyapatite adsorption chromatography, an active fraction of colostrum thereby obtained, and a cellular medium containing same