| 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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| 12/22/1992 | US5173263 Regenerable activated bauxite adsorbent alkali monitor probe |
| 12/22/1992 | US5173188 Automated extractions |
| 12/17/1992 | DE4119453A1 Process gas chromatograph with adsorption-desorption columns e.g. for natural gas analysis - has changeover valves for selection of flow sequence through moisture absorption columns |
| 12/17/1992 | DE4119023A1 Sample magazine for head-space gas chromatography - has large step size for increased sample throughput |
| 12/16/1992 | EP0517810A1 Hybrid compound purification |
| 12/16/1992 | EP0517804A1 Probe inlet apparatus and method |
| 12/16/1992 | EP0517791A1 Analyzer transport device |
| 12/15/1992 | US5171995 Sample holder for optical spectrometer and method for taking a spectrum |
| 12/15/1992 | US5171990 Electrospray ion source with reduced neutral noise and method |
| 12/15/1992 | US5171989 Method and apparatus for continuous sample ice matrix production for laser desorption in mass spectrometry |
| 12/15/1992 | US5170890 Particle trap |
| 12/11/1992 | CA2070930A1 High performance liquid chromatography method for simultaneous determination of cholecystokinin peptides |
| 12/10/1992 | WO1992021977A1 Assay device |
| 12/10/1992 | WO1992021968A2 Automated column equilibration, column loading, column washing and column elution |
| 12/10/1992 | WO1992021966A1 Method and device for measuring quantities of impurities in special gas |
| 12/10/1992 | DE4118785A1 Sealing arrangement for chromatographic columns or cartridge systems - contains elastic sealing ring between closure piston and pressure ring |
| 12/10/1992 | DE4118501A1 Specimen distributor for liq. chromatography, e.g. with packed separating columns - has distribution plate with channels on top and bottom surfaces connected by bores distributed over surface |
| 12/08/1992 | US5169522 Column slurry packing compressor |
| 12/08/1992 | US5169521 Thermal regulator positioned between delivery conduit and monitor; applied back-pressure; reduced turbidity and bubble formation |
| 12/08/1992 | US5169120 Flow control means |
| 12/08/1992 | US5168746 Ambient ether vapor testing apparatus and method |
| 12/02/1992 | EP0515955A2 Method and device for filling chromatographic columns |
| 12/02/1992 | EP0515646A1 Anion exchanger. |
| 12/02/1992 | CN1019331B Manufacture of self-sustainings film filament type sensor and application of same |
| 12/01/1992 | US5168326 Method of detecting angle of optical rotation in solution having time-dependent concentration, detection apparatus therefor, and detector cell therefor |
| 12/01/1992 | US5167827 Reverse phase, without disturbing peaks or peak deformations in chromatogram |
| 12/01/1992 | US5167810 End cell for chromatography column |
| 12/01/1992 | US5167809 Container for separation media to allow safe handling |
| 11/26/1992 | WO1992021138A1 Method and apparatus for improving electrospray ionization of solute species |
| 11/26/1992 | WO1992020942A1 Fluid control valve arrangement |
| 11/26/1992 | WO1992020435A1 Time compressed chromatography in mass spectrometry |
| 11/26/1992 | DE4132358C1 Gas investigation method for pollution control - feeding substances via gas chromatographic capillary tube to analyser after feeding gaseous material through adsorbing packing |
| 11/25/1992 | EP0500685A4 Method to identify analyte-binding ligands |
| 11/25/1992 | EP0485460A4 Cyclodextrin polymer beads |
| 11/24/1992 | US5166526 Apparatus and method for measuring the radioactivity of an eluate |
| 11/24/1992 | US5166076 Device and method for sample dosing in gas chromatography |
| 11/24/1992 | US5165292 Device for measuring characteristic of a fluid |
| 11/19/1992 | EP0513604A1 Labeling of hydrocarbons |
| 11/19/1992 | EP0513086A1 Gas chromatography method and apparatus. |
| 11/19/1992 | DE4213410A1 Collecting chromatographically analysed sample components - according to schedule of chromatogram time bands, commencing at detection of specific peak with alternating collected and ignored bands |
| 11/17/1992 | US5164090 Separation of hydrophobic material, glass beads, controlled pore size |
| 11/17/1992 | US5163982 Polarity |
| 11/17/1992 | US5163979 Oscillating back pressure regulator connected to diaphragm operated back pressure regulator |
| 11/16/1992 | WO1992020437A1 Microelectrospray method and apparatus |
| 11/12/1992 | WO1992019767A1 Methods to profile and treat abnormal cells |
| 11/12/1992 | WO1992019346A1 Column for separation of substance mixtures with a liquid medium |
| 11/12/1992 | DE4114914A1 Sheathed single connector e.g. of glass - for connecting gas chromatographic sepn. columns |
| 11/12/1992 | DE4114766A1 High pressure resistant cartridge system for liq. chromatographic sepn. column - includes upper and lower connection pieces connectable to tube with sealed upper and lower inserts which have fit recesses connected to liq. supply, etc. |
| 11/12/1992 | DE4114729A1 Phase separator for immiscible liq. phases - uses differential wetting and counter-pressure for controlled phase sepn. and provides constant reproducible phase sepn. ratio |
| 11/11/1992 | EP0512521A1 Thermally actuated microminiature valve |
| 11/11/1992 | EP0512404A1 Identification of liquid hydrocarbons using chemical markers |
| 11/11/1992 | EP0512394A2 Method and apparatus for analyzing sample solutions |
| 11/11/1992 | EP0245285B1 Chromatography column using horizontal flow |
| 11/10/1992 | US5162652 Method and apparatus for rapid detection of contraband and toxic materials by trace vapor detection using ion mobility spectrometry |
| 11/10/1992 | US5162651 Mass spectrometer |
| 11/10/1992 | US5162650 Method and apparatus for multi-stage particle separation with gas addition for a mass spectrometer |
| 11/04/1992 | EP0511729A2 Detection method for checking surfaces for specific compounds |
| 11/04/1992 | CA2067861A1 Labeling of hydrocarbons |
| 11/03/1992 | US5160625 Pumping, porous hollow fiber |
| 11/03/1992 | US5160624 Automatic injection; high pressure vessel; high speed |
| 11/03/1992 | US5160419 Electrode for a coulometric type of electrochemical detector |
| 10/29/1992 | WO1992018845A2 Methods of and apparatus for measurement using acousto-optic devices |
| 10/29/1992 | WO1992018237A1 Process and means for down stream processing |
| 10/28/1992 | EP0510951A2 Method for gathering and analysing hydrocarbon contained in sea water in small quantities |
| 10/28/1992 | EP0510511A2 Gas chromatographic injector |
| 10/28/1992 | EP0510510A2 Method and device for interfacing liquid chromatography or supercritical fluid chromatography with a mass spectrometer (LC-SFC/MS) |
| 10/28/1992 | EP0510393A1 Biocompatible, low protein adsorption affinity matrix |
| 10/27/1992 | US5158880 Prewetting; used for affinity separation |
| 10/27/1992 | US5158756 Porous particles of calcium phosphate compound and production process thereof |
| 10/27/1992 | US5158690 Thermophoretic filtering of liquids |
| 10/27/1992 | US5158676 Chromatography apparatus |
| 10/27/1992 | US5158675 Gradient system |
| 10/23/1992 | CA2066535A1 Method for gathering and analyzing hydrocarbon contained in sea water in small quantities |
| 10/22/1992 | DE4112528A1 Spectrophotometer used as UV detector in HPLC - has light guide between light source and photodetectors, and sealing partition wall between light source and light guide |
| 10/22/1992 | DE4112258A1 Metal-free HPLC column with good mechanical strength - comprises non-metallic e.g. polyether-ether]-ketone] etc. contg. metallic column, adaptor with inner- or outer- thread and metal-free filter-sieve-sandwich packet |
| 10/21/1992 | EP0409972B1 Apparatus and method for delivering supercritical fluid |
| 10/21/1992 | CN2119659U Low-pressure ion chromatograph for analysis of transition metal |
| 10/21/1992 | CN1065529A Desolventizing method for capillary supercritical fluid chromatography and split-flow sampling system thereof |
| 10/21/1992 | CN1065525A Light-scattering chromatography for non-destructive test of transparent materials and apparatus thereof |
| 10/20/1992 | US5157260 Method and apparatus for focusing ions in viscous flow jet expansion region of an electrospray apparatus |
| 10/20/1992 | US5156039 Procedure for determining the size and size distribution of particles using sedimentation field-flow fractionation |
| 10/15/1992 | WO1992017784A1 Method for analyte classification by sc profiles |
| 10/15/1992 | DE4111527A1 Affinity chromatography for heterogeneous immunoassay or preparative purificn. - using lyotropic liq. crystalline stationary phase, and organic solvent or reverse micellar mobile phase |
| 10/14/1992 | EP0508895A1 A method of analysing hydrocarbon oil mixtures using gel-permeation chromatography |
| 10/14/1992 | EP0476062A4 Miniaturized mass spectrometer system |
| 10/14/1992 | CN2118988U Pre-treatment device for synthetic tower top gas chromatography |
| 10/13/1992 | US5154822 Reacting substituted silane with hydrothermally preconditioned support; the gas generated by reaction is utilized as fluidized gas, permits use of fluidized bed techniques on extreemly low particle size powders |
| 10/13/1992 | CA1308613C Bonded chromatographic stationary phase |
| 10/12/1992 | WO1992021967A1 Method and device for measuring variation in decomposition rate of special material gas |
| 10/07/1992 | EP0507591A2 Anion-exchange separation of nucleic acids |
| 10/07/1992 | CN1065100A Tungsten stannum fluxing agent and its making method |
| 10/07/1992 | CN1018581B Method of mineral dressing trace impurity in metal and its oxidate |
| 10/06/1992 | US5153679 Apparatus and process for measuring light absorbance or fluorescence in liquid samples |
| 10/06/1992 | US5153673 Pulsed flame analyzing method and detector apparatus for use therein |
| 10/06/1992 | US5153519 Charged particle detector |
| 10/06/1992 | US5153271 Diene polymers and copolymers terminated by reaction with aromatic nitriles |
| 10/06/1992 | US5153166 Bonding nucleophilic ligands to polyhydroxylated material |
| 10/06/1992 | US5152177 Process for the detection and quantitation of corrosion and scale inhibitors in produced well fluids |
| 10/06/1992 | US5152176 Process and apparatus for determining the quality of impurities in a gas by chromatography in gas phase and utilization for measuring the quantity of doping impurities in silane |
| 10/01/1992 | WO1992016961A1 High pressure selected ion chemical ionization interface for connecting a sample source to a mass spectrometer |