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)
09/1995
09/20/1995EP0662013A4 Apparatus and method for supercritical fluid extraction or supercritical fluid chromatography.
09/20/1995EP0530258B1 Adsorbent medium
09/19/1995US5450743 Method for providing constant flow in liquid chromatography system
09/19/1995CA1337052C Removal of process chemical from labile biological mixture by hydrophobic interaction chromatography
09/14/1995WO1995024259A1 Improvements to electrospray and atmospheric pressure chemical ionization sources
09/14/1995DE4408222A1 Component material fluctuation determn. and time point detection method
09/14/1995DE4408172A1 Chromatography development chamber incorporating UV-transparent windows
09/14/1995DE4408032A1 Verfahren zur Ionisierung von gelösten Atomen oder Molekülen aus Flüssigkeiten durch elektrisches Versprühen A method for ionization of solute atoms or molecules from liquids by electric spraying
09/14/1995DE4407889A1 Chromatography column and cartridge tube assembly equipped with one=piece sealing and support element
09/13/1995EP0671624A1 Chromatography column and cartridge
09/13/1995EP0671002A1 Ion chromatography using frequent regeneration of batch-type suppressor
09/13/1995EP0646239A4 Methods for chromatography analysis.
09/13/1995EP0485573B1 Method for interactive self-modeling mixture analysis
09/12/1995US5449902 Apparatus for directly coupling analytical column with mass spectrometer
09/12/1995US5449461 Displacement countercurrent chromatography
09/12/1995CA1336973C Composite ion-exchange compositions for ion chromatography
09/12/1995CA1336970C Sample injector
09/08/1995WO1995023966A1 Method for detecting polymers in a solution, detector system and chromatography apparatus containing such a detector system
09/07/1995DE4406628A1 Qualitative and quantitative analysis of pollutants in sample matrices
09/06/1995EP0670489A2 Apparatus and process for separating fluid substances
09/06/1995EP0669897A1 Separation of nucleic acid fragments
09/05/1995US5447870 Affinity separation, immunoassay
09/05/1995US5447691 Liquid supplying device for use in physical and chemical apparatus
09/05/1995US5447624 Packings for liquid chromatography and process for producing the same
09/05/1995US5447556 Sample injection apparatus and method
09/05/1995US5447553 Method for interfacing liquid chromatography-mass spectrometry systems
09/05/1995US5447053 Method and device for measuring quantities of impurities in special gas
09/05/1995US5447052 Microwave hydrocarbon gas extraction system
08/1995
08/31/1995WO1995023328A1 Sample preparation and metering system
08/30/1995EP0669531A1 Method and apparatus for measuring volatiles released from food products
08/30/1995EP0668877A1 Displacement chromatography process and purified hemoglobin product
08/30/1995EP0668745A1 Assaying device
08/29/1995US5445966 Extractive hydrogenation for chemical analyses
08/24/1995WO1995022555A1 Displacement chromatography of proteins using low molecular weight displacers
08/24/1995WO1995022390A1 Macrocyclic antibiotics as separation agents
08/23/1995EP0393185B1 Syringe type column for chromatography
08/22/1995US5444807 Micro chemical analysis employing flow through detectors
08/22/1995US5443734 Programmable solid phase extraction and elution device
08/22/1995US5443732 Boron isotope separation using continuous ion exchange chromatography
08/22/1995US5443465 Osteosynthesis aid
08/22/1995US5442968 Membrane-based fluid separations apparatus
08/22/1995US5442949 Thermal analyser
08/17/1995WO1995021849A1 Process for separating double-stranded/single-stranded nucleic acid structures
08/17/1995WO1995021674A1 Flow-through capacitor and chromatographic system and method
08/17/1995DE4405553A1 Nicotine determn. in biological media e.g. hair samples
08/17/1995DE19503006A1 Evaluating the purity of a chromatogram peak
08/16/1995EP0666982A1 Method and detector for separation processes
08/15/1995US5442175 Gas evolution component analysis
08/15/1995US5441700 Headspace autosampler apparatus
08/15/1995US5441698 Bevel closure and device
08/15/1995US5441645 Column analyzer system and improved chromatograph column for use in the system
08/15/1995US5441643 Forming a chromatographic matrix by binding conalbumin with carbohydrate-based support, placing metal contaminated water having pH and inoic strength adjusted to cause selected metal ions to complex; washing and elution
08/10/1995WO1995021179A1 Endotoxin reduction or removal process
08/10/1995WO1995021177A1 Process for producing endotoxin-free or endotoxin-poor nucleic acids and/or oligonucleotides for gene therapy
08/10/1995WO1995021020A1 Nucleophilic bodies bonded to siloxane and use thereof for separations from sample matrices
08/10/1995WO1995014220A3 Method and device for the separation of dissolved and undissolved mixtures
08/10/1995DE19503360A1 Pump with precise flow regulation
08/09/1995EP0665867A1 Pore-size selective chemical modification of porous materials
08/09/1995EP0665764A1 Method of preventing contamination of a chromatography column and apparatus for liquid chromatography
08/08/1995US5439979 Separating materials
08/08/1995US5439593 Cartridge for use in fluid flow system having tubular body, cap forming axial sliding seal, second end with sealing surface, axial passageway, sleeve surrounding body retained by frictional fit; connectable by axial compression
08/08/1995US5439591 Feeding crude hemoglobin solution to column under anionic exchange conditions to bind more acidic components until column is overloaded and hemoglobin is displaced, feeding eluent to cationic column to bind more basic components
08/08/1995US5439578 Multiple capillary biochemical analyzer
08/08/1995CA1336577C Lateral flow chromatographic binding assay device
08/03/1995WO1995020591A1 Phenylboronic acid complexes
08/03/1995CA2181252A1 Phenylboronic acid complexes
08/02/1995EP0665433A1 Precision determination for molecular weights
08/02/1995EP0665044A1 Apparatus and method for supercritical fluid extraction
08/02/1995EP0664885A1 Immobilisation material and apparatus for affinity chromatography with mobile organic solvent phase or reverse micellar phase, immuno assays with this immobilisation material.
08/02/1995EP0664724A1 Process for extracting and rebuffering and/or concentrating dissolved macromolecules of a macromolecular mixture.
08/02/1995CN2204421Y Device for measuring diffusion-coefficient of rock
08/02/1995CN1106139A Capillary chromatographic column filled with aluminum trioxide and its preparation method
08/01/1995US5438194 Ultra-sensitive molecular identifier
08/01/1995US5438128 Method for rapid purifiction of nucleic acids using layered ion-exchange membranes
08/01/1995US5438077 Base material of an insoluble crosslinked polymer having alcoholic hydroxyl groups with ion exchange groups of sulfonic acid or quaternary ammonium; excellent column permeability; capacity for binding proteins
08/01/1995US5438001 Method and device for measuring variation in decomposition rate of special material gas
08/01/1995US5437795 Chromatographic separation of erbium isotopes
08/01/1995US5437179 Fast gas chromatography method, apparatus and applications
08/01/1995CA2016129C Monodisperse aerosol generator for use with infrared spectrometry
07/1995
07/27/1995WO1995020165A1 Analyzer for monitoring volatile contaminants in liquid streams
07/26/1995EP0664452A2 Biotin-silane compounds and binding matrix containing these compounds
07/25/1995US5436446 Analyzing time modulated electrospray
07/25/1995US5436327 Support-bound oligonucleotides
07/25/1995US5436166 Automatic chromatographic chemical analysis
07/25/1995US5435169 Continuous monitoring of organic pollutants
07/25/1995CA1336439C Sulfur-containing hydrocarbon compounds and process of using same in recovering and concentrating desired ions from solutions thereof
07/20/1995WO1995019638A2 Ion spray with intersecting flow
07/20/1995WO1995019569A1 Reaction columns for simultaneous multiple measurement and method
07/20/1995WO1995019565A1 Device for automatically injecting solubilized or diluted products
07/20/1995DE4440805A1 Device for filtration, extn. and chromatography
07/20/1995DE19500862A1 Reaktionssäulen für simultane Mehrfachmessung und Verfahren zur Bestimmung von Verbindungen Reaction columns for simultaneous multiple measurement and method for the determination of compounds
07/18/1995US5434664 Capillary flowcell for multiple wavelength detection
07/18/1995US5433847 Radial flow chromatography
07/18/1995US5433838 Electrophoresis with chemically suppressed detection
07/18/1995US5433244 Solenoid control valve
07/18/1995CA2040733C Assay tray and assembly
07/13/1995WO1995018968A1 Analytical method to determine potentially available ribo-nucleotides
07/13/1995WO1995018966A2 Improved pulsed discharge systems
07/13/1995DE4444676A1 Lichtübertragungsmittel und Vorrichtung zum Messen der Lichtabsorption Light transmission means and device for measuring the light absorption
07/12/1995EP0662013A1 Apparatus and method for supercritical fluid extraction or supercritical fluid chromatography