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