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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12/22/1994 | DE4319914A1 Washing bottle and equipment for adsorption or enrichment of gas components of a gas |
12/22/1994 | CA2164720A1 Microlithographic array for macromolecule and cell fractionation |
12/22/1994 | CA2164207A1 Multiple capillary biochemical analyzer |
12/22/1994 | CA2140340A1 Capillary and capillary retaining system |
12/20/1994 | US5374755 Silica substrate with silanol surface groups blocked by (substituted)dialkylcarbamates |
12/20/1994 | US5373725 O-FID analytical equipment and method |
12/15/1994 | DE4419463A1 Increasing the sensitivity and detection limit of a photoionisation detector (PID) by low-pressure operation |
12/14/1994 | EP0628813A1 High performance liquid chromatography instrument with a controlling device and process for controlling its functioning |
12/14/1994 | EP0628812A1 System for temperature measurement and control using the conductivity of a component |
12/14/1994 | EP0628164A1 Capillary array confocal fluorescence scanner and method |
12/14/1994 | EP0627983A1 Process for producing moulded bodies with a predetermined pore structure. |
12/14/1994 | EP0627956A1 Membrane-based fluid separations apparatus. |
12/14/1994 | CN1096372A Thin layer chromatographic testing method for testing embyro lung maturation degree |
12/13/1994 | US5372820 Materials capable of binding biological substances, and its applications, in particular, as in an affinity chromatography support |
12/13/1994 | US5372782 With automatic cleaning means |
12/13/1994 | US5372721 Size separation of particles contained within a material by the use of nonaqueous hydrodynamic chromatography |
12/13/1994 | US5372719 Molecular imaging |
12/13/1994 | US5372716 Supercritical fluid extraction coupled to analytical chromatography system |
12/08/1994 | WO1994028418A1 Method and apparatus for desorption and ionization of analytes |
12/08/1994 | WO1994028409A3 Process and device for gas chromatographic analysis of large volume samples |
12/08/1994 | WO1994028409A2 Process and device for gas chromatographic analysis of large volume samples |
12/08/1994 | WO1994028408A1 Method of continuous analysis of volatile organic compounds in an atmosphere to be analyzed and corresponding concentration unit and chromatograph |
12/08/1994 | DE4318919A1 Sample metering (dosing) system |
12/07/1994 | EP0627758A2 Mass spectrometry system |
12/07/1994 | EP0627584A1 Valve |
12/07/1994 | EP0627079A1 Siloxanediol coating for capillary electrophoresis and for general surface modification |
12/07/1994 | EP0626976A1 Preparation of surface-functional polymer particles. |
12/06/1994 | US5371018 Qualitative and quantitative processes for reactive chemicals in liquids using doped sol-gel glasses |
12/06/1994 | US5370798 Forming a clathrate compound with a cyclic inulooligosaccharide having 6 to 8 molecules of fructose |
12/06/1994 | US5370794 Packing for liquid chromatography |
12/01/1994 | DE4318360A1 Method for qualitative and quantitative determination of plastics in plastics mixtures |
11/30/1994 | EP0626574A1 Detector cell for liquid chromatography |
11/30/1994 | EP0626066A1 Assessment of ion availability in heterogeneous media using ion-exchange membranes. |
11/30/1994 | EP0626064A1 Methods and apparatus for molecular characterization |
11/29/1994 | US5369012 Method of making a membrane having hydrophilic and hydrophobic surfaces for adhering cells or antibodies by using atomic oxygen or hydroxyl radicals |
11/29/1994 | US5368727 Liquid chromatograph mass spectrometer |
11/24/1994 | WO1994027145A1 Method and apparatus for enhanced detection of explosives |
11/24/1994 | WO1994026380A1 Method for fractionating sulphite cooking liquor |
11/24/1994 | WO1994026379A1 Method and support material for gel-permeation chromatography |
11/23/1994 | EP0615617A4 Capillary flowcell for multiple wavelength detection. |
11/22/1994 | US5367164 Automated pyrolyzer method and apparatus |
11/22/1994 | US5366900 Exposing to ultraviolet radiation to make nitric oxide; detection |
11/22/1994 | US5366621 Chromatography column |
11/22/1994 | US5366620 Inlet filter |
11/22/1994 | US5365772 Leak detection in a reduced pressure processing apparatus |
11/17/1994 | EP0624795A2 Column for liquid chromatography |
11/17/1994 | EP0624250A1 Method of identifying chemicals by use of non-radioactive isotopes |
11/17/1994 | EP0371013B1 Reagent and process for binding polymers to micro-organisms in aqueous solutions |
11/15/1994 | US5363886 Apparatus and method for packing particles |
11/15/1994 | US5363707 Headspace sampling system |
11/10/1994 | WO1994025134A1 Method and apparatus for liquid chromatography |
11/02/1994 | EP0622830A1 Housing for converting an electrospray to an ion stream |
11/02/1994 | EP0491000B1 Process and device for preparing a gas mixture for analysis, and application of the process |
11/01/1994 | US5360972 Method for improving chemometric estimations of properties of materials |
11/01/1994 | US5360596 Plunger homing mechanism for use in chromatography |
11/01/1994 | US5360544 Deproteinization filler and cartridge containing same |
11/01/1994 | US5360540 Chromatography system |
11/01/1994 | US5360467 Method of separating and detecting impurities using a fractional concentration detector |
11/01/1994 | US5360320 Multiple solvent delivery system |
10/27/1994 | WO1994024552A1 Hydraulic fluid vapor sensor |
10/27/1994 | WO1994024157A1 A method of detecting the presence of and converting of a polypeptide |
10/27/1994 | DE4415580A1 Vacuum-induced specimen delivery for gas chromatography |
10/27/1994 | CA2160663A1 A method of detecting the presence of and converting of a polypeptide |
10/27/1994 | CA2094939A1 Method and apparatus for determining sulphur concentrations in complex compounds |
10/26/1994 | EP0621074A1 Hydrophilic polymer coated perfluorocarbon polymer-based matrices, their preparation and use in bioaffinity separations |
10/26/1994 | EP0620761A1 Sulfonamide bonded hydrophilic coatings |
10/26/1994 | CN1094163A Method for determining heavy hydrocarbons in rock matrices and the apparatus for the purpose |
10/25/1994 | US5359196 Mass spectrometry with gas counterflow for particle beam |
10/25/1994 | US5358641 Column analyzer system and improved chromatograph column for use in the system |
10/25/1994 | US5358639 Method of analyzing hemoglobins |
10/25/1994 | US5358613 Method and apparatus for injecting liquid into a capillary tube |
10/25/1994 | US5358612 Introducting sample containing anion or cation of interest into capillary, containing a buffer contacting with ion exchange material, also contains regenerant; applying voltage, exchanging ions of buffer, measuring electroconductivity |
10/25/1994 | US5358557 Removes water vapor by swirling action on stream |
10/20/1994 | DE4312925A1 Process and apparatus for the qualitative and quantitative separation of hydrocarbon mixtures |
10/19/1994 | EP0619751A1 Automated supercritical fluid extraction |
10/18/1994 | US5356788 Hydrolusis, liquid chromatographic analysis of Bacillus protoxins |
10/18/1994 | US5355736 Absorber device and process for using same |
10/18/1994 | CA1332598C Polyethyleneimine matrixes for affinity chromatography |
10/13/1994 | WO1994023300A1 Opposable-element chromatographic assay device |
10/13/1994 | WO1994023294A1 Liquid chromatography cartridge |
10/13/1994 | WO1994023293A1 A detection and quantitation method for therapeutic agents in blood |
10/13/1994 | WO1994023290A1 Methods for chromatography analysis |
10/13/1994 | WO1994022578A1 Resin regeneration process |
10/13/1994 | WO1994022565A1 Improved methods of using ion trap mass spectrometers |
10/13/1994 | CA2137137A1 Improved methods of using ion trap mass spectrometers |
10/12/1994 | EP0619490A2 Packings for liquid chromatography and process for producing the same |
10/12/1994 | EP0619020A1 Determination of tricyclic antidepressant drugs in the presence of interfering substances |
10/12/1994 | EP0619016A1 Process and device for the differential measurement of refraction indexes and use thereof |
10/11/1994 | US5354884 Optically active N-α-fluoroacryloylamino acid derivatives for the resolution of racemates |
10/11/1994 | US5354852 Stationary phase for liquid chromatography |
10/11/1994 | US5354842 Method for determining branch distribution of polymer |
10/11/1994 | US5354692 Housing containing three liquid permeable materials with barrier between first and third materials to prevent direct transfer of sample, elongated sheet of wicking material which supports immobilized capture molecule, detection reagent |
10/11/1994 | US5354662 Measuring tissue breakdown products in body fluids |
10/11/1994 | US5354655 Method for determining the presence or concentration of a bound enzyme |
10/11/1994 | US5354473 Method for concentrating a solute by countercurrent chromatography |
10/11/1994 | US5354472 Quaternary ammonium and polyethylene glycol attached to hydroxyl groups of cellulose |
10/11/1994 | US5354460 Fluid transfer system with uniform fluid distributor |
10/11/1994 | EP0628164A4 Capillary array confocal fluorescence scanner and method. |
10/11/1994 | CA1332269C Process for the chromatographic separations of fluid mixtures using ion-exchange resins |
10/06/1994 | DE4327582C1 Process for the production of plastic parts from fluorine-containing polymers for use in an analytical measuring instrument, and plastic parts produced by the process |