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