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)
05/1992
05/19/1992US5114590 Continuous process and device for the chromatographic separation of a mixture of at least three constituents into three purified effluents by means of a single solvent at two different temperatures and/or at two different pressures
05/19/1992US5114589 Type-XLL cross-axis synchronous flow-through coil planet centrifuge for separation of biopolymers
05/19/1992US5114551 Multi-point detection method for electrophoresis and chromatography in capillaries
05/19/1992US5114439 Direct resistive heating and temperature measurement of metal-clad capillary columns in gas chromatography and related separation techniques
05/19/1992US5114314 Reciprocating type fluid delivery pump
05/19/1992US5114161 Fluid seal
05/14/1992WO1992008968A1 Diesel particulate monitor
05/13/1992EP0484645A1 Methods and systems for fluid identification and flow rate determination
05/13/1992CN2104450U 矿井专用气相色谱仪 Mine dedicated gas chromatograph
05/13/1992CN1016643B Cappillary column switch for multi-dimensional gas chromatography
05/12/1992US5112949 Method of and apparatus for separating proteins
05/12/1992US5112492 Liquid Chromatography
05/12/1992CA1300718C Gradient system
05/12/1992CA1300473C Vacuum manifold for extraction processing
05/06/1992EP0484278A1 Device for preparing liquid samples for chemical analysis
05/06/1992EP0483613A1 Method and apparatus for the qualitative and/or quantitative monitoring of liquid raw materials
05/06/1992EP0483143A1 Membrane affinity apparatus and purification methods related thereto.
05/05/1992US5110912 Purification of il-2-containing hybrid compounds
05/05/1992US5110747 Air pollution control
05/05/1992US5110624 Method for preparing magnetizable porous particles
05/05/1992US5110566 Cationic exchange resin with pentavalent phosphorus derived active groups
05/05/1992US5110558 Chromatography; detection of mycotoxins in the field
05/05/1992US5110474 Monitoring nuclear waste pollution
05/05/1992US5110431 On-capillary gap junction for fluorescence detection in capillary electrophoresis
05/05/1992US5109714 Method and means for dynamic measurement of rates of adsorption from solutions
05/05/1992US5109710 Direct filter injection system for gas chromatographs
05/05/1992US5109691 Explosive detection screening system
05/05/1992CA1300101C Fraction collector
05/05/1992CA1299893C Liquid sampling valve for gas chromatograph
05/05/1992CA1299892C Gas chromatograph modification
04/1992
04/30/1992WO1992007243A1 An apparatus and method for separating particles using a pliable vessel
04/30/1992WO1992002815A3 Quantitative analysis and monitoring of protein structure by subtractive chromatography
04/30/1992DE4034329A1 Continuous total acid determn. - in citrate fermentation solns., by cation exchange and titration
04/30/1992CA2094258A1 An apparatus and method for separating particles using a pliable vessel
04/29/1992EP0482454A2 Mass spectrometer and sample introduction device using a ion sprayer
04/29/1992EP0482339A1 Hydrophilic support material, highly cross-linked, bead-shaped and activable
04/28/1992US5108956 Process for the preparation of microspherical sintered bodies of hydroxyapatite and a chromatographic packing material comprising the microspherical sintered bodies of hydroxyapatite
04/28/1992US5108930 Aminoguanidine assay and applications thereof
04/28/1992US5108840 Multilayer electronic circuit article having a poly(naphthyl ether) dielectric
04/28/1992US5108708 Aliquot collection adapter for HPLC automatic injector enabling simultaneous sample analysis and sample collection
04/28/1992US5108705 Multistage pyrolysis; effluent flow splitter
04/28/1992US5108704 Microfiltration apparatus with radially spaced nozzles
04/28/1992US5108468 Separation of components
04/28/1992US5108466 Apparatus and methods for controlling fluids provided to a chromatographic detector
04/28/1992US5108264 Method and apparatus for real time compensation of fluid compressibility in high pressure reciprocating pumps
04/28/1992US5107908 Apparatus for supporting a container for fluid material
04/24/1992WO1992007244A1 An hplc light-scattering detector for biopolymers
04/23/1992WO1992007242A1 A mass spectrometer-based continuous emissions monitoring system for hazardous waste stack gas measurements
04/22/1992EP0481285A2 Apparatus for multi-path flow regulation
04/22/1992EP0481074A1 Packing of column for fractionating and assaying high specific gravity lipoprotein and/or hdl cholesterol
04/22/1992CN1060532A Sims quantitative analysis without standard sample
04/21/1992US5106759 Adsorbing on a zeolitic molecular sieve, heating to purge
04/21/1992US5106757 Process for the visualization of substance stains on layer chromatograms
04/21/1992US5106756 Method and system for gathering a library of response patterns for sensor arrays
04/21/1992US5106583 Porous sample supports enclosed in holes in slides delivered by rotating turret; computer controlled, noncontamination
04/21/1992US5105851 Apparatus for multi-path flow regulation
04/21/1992US5105652 Compact separating system with snap-in columns
04/16/1992WO1992006773A1 Mosaic microcolumns, slabs, and separation media for electrophoresis and chromatography
04/16/1992WO1992006371A1 Epoxy-less low-level moisture measurement system and method
04/16/1992WO1992006058A1 Supercritical fluid extraction restrictor and collection system
04/16/1992CA2093916A1 Mosaic microcolumns, slabs, and separation media for electrophoresis and chromatography
04/15/1992EP0480764A2 Process to determine the stability of oil mixtures, including shale oil and fractions thereof
04/15/1992EP0480386A1 Polytetraalkylammonium and polytrialkylamine containing ligands bonded to inorganic supports and processes of using the same for removing and concentrating desired ions from solutions
04/15/1992EP0480374A2 Continuous anion exchange chromatography for the separation of zirconium isotopes
04/15/1992EP0480003A1 Device for introducing a sample to be analysed into a vehicle fluid
04/15/1992EP0479906A1 Improved cellulose chromatography support
04/15/1992EP0479862A1 Method for analytical separation of inositol phosphates.
04/15/1992CN2101872U Flowing conductivity testing pool
04/14/1992US5104639 Analzing body fluid samples using electrochemical liquid chromatography, compraring measured concentration with other living organisms to identify differences in metabolic pathways and administering drugs to alter pathways
04/14/1992US5104622 Chromatographic column for analyzing samples
04/14/1992US5104547 Separating materials for chromatography comprising cyclodextrin chemically bonded to a support via a carbamic acid group
04/14/1992US5104543 Liquid chromatography using cellulose triacetate stationary phase and polar solvent mobile phase
04/14/1992US5104531 Cross-axis synchronous flow through coil planet centrifuge for large scale preparative countercurrent chromatography
04/14/1992US5104508 Analysis of carbohydrates
04/10/1992WO1992005852A1 On-line multidimensional chromatographic system with large volume injection handling for supercritical fluid chromatography
04/10/1992WO1992005851A1 On-line supercritical fluid extraction multidimensional chromatographic system
04/10/1992CA2093637A1 On-line multidimensional chromatographic system with large volume injection handling for supercritical fluid chromatography
04/10/1992CA2092082A1 On-line supercritical fluid extraction multidimensional chromatographic system
04/09/1992DE4031909A1 Assembly to recognise the form of advancing solvent - in thin film chromatography irrespective of external time frame, having sensor to locate carrier plate placed in sealed chamber
04/09/1992DE4031736A1 Impregnation of capillary column - in which charge of impregnating soln. is forced through capillary column at constant speed
04/09/1992DE4031700A1 Impregnation of capillary column - has thin film of sepn. fluid applied to inner capillary surface
04/08/1992CN2101240U Double channel glass delaminating jar
04/08/1992CN2101239U High temp. liquid automatic sampling valve
04/08/1992CN1060154A Neodymium isotopic analysis method for realizing single rhenium band directly determining nd+ by cx-1 emission agent
04/07/1992US5103093 Mass spectrometer
04/07/1992US5103000 Cyclic amino-substituted silane grafted to surface on inorganic carrier
04/03/1992CA2093220A1 Supercritical fluid extraction restrictor and collection system
04/02/1992WO1992005450A1 Multiple agitator and mixer module
04/02/1992WO1992005442A1 Disposable reactor vessel for solid-phase immune assays and process for measuring components detectable by immune reactions
04/02/1992WO1992004958A1 Interchangeable modular chromatography column with self-sealing connectors
04/02/1992DE4031020A1 Analysis sample prepn. appts. - has microwave source for selective sample constituent evapn. from solvent
04/01/1992EP0477811A2 Liquid delivery system
03/1992
03/31/1992US5100557 Liquid chromatography system and method for separation of pre-separated components
03/31/1992US5100530 Electrochemical detector
03/31/1992US5099743 Selective detection with high speed gas chromatography
03/29/1992WO1992005850A1 Gas chromatography system and methods
03/25/1992EP0476998A2 Chromatography system
03/25/1992EP0476997A2 End cell for chromatography column
03/25/1992EP0476996A2 Piston for chromatography column
03/25/1992EP0476995A2 Chromatography column