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)
11/1995
11/28/1995US5470479 Using ion exchange resins for separation with elution using acids
11/28/1995US5470380 Management device for gas chromatography sample concentration
11/28/1995US5469917 Use of capillary-membrane sampling device to monitor oil-drilling muds
11/25/1995CA2149955A1 Process for concentrating fullerenes having more than 70 carbon atoms
11/25/1995CA2149954A1 Process for concentrating fullerenes having more than 70 carbon atoms
11/23/1995WO1995031727A1 Sterile and pyrogen-free columns coupled to protein for binding and removal of substances from blood
11/23/1995WO1995031420A1 Separating agent for optical isomers
11/23/1995WO1995031279A1 Chromatography adsorbents utilizing mercapto heterocyclic ligands
11/22/1995EP0683135A1 Preparation of high purity carbon dioxide
11/22/1995EP0546027B1 Method for determining boar taint producing indole compounds in pork as well as a sample container to be used by the method
11/22/1995EP0527905B1 Microfluidic structure and process for its manufacture
11/21/1995US5468648 Chromatographic assay with binding for antigens, absorption and labels
11/21/1995US5468643 Switching valve system for direct biological sample injection for LC analysis
11/21/1995US5468452 Quantitative analysis combining high performance liquid chromatograph and mass spectrometer
11/21/1995US5468380 Diabetes diagnosis
11/21/1995US5468379 Solution for suppressing deterioration of a separation column for analyzing hemoglobins
11/21/1995US5467635 Gas chromatograph
11/21/1995CA2002498C Method and apparatus for adsorption detection
11/16/1995WO1995030467A1 Chemically modified solid phase extraction particles and articles containing same
11/15/1995EP0682249A1 High speed gas chromatography system for analysis of polar organic compounds
11/15/1995EP0681698A1 Crystallization analysis fractionization
11/15/1995EP0681696A1 Non-denaturing potency assay for bovine somatotropin
11/15/1995EP0681694A1 An improved method of liquid bulk refractive index detection
11/15/1995EP0627956B1 Membrane-based apparatus for separation of fluids
11/15/1995EP0552301B1 On-line supercritical fluid extraction multidimensional chromatographic system
11/14/1995US5466483 Method for producing a silica mask on metal oxide surface
11/14/1995US5466368 Anion exchanger
11/14/1995US5465849 Column and method for separating particles in accordance with their magnetic susceptibility
11/14/1995US5465607 Explosive detection screening system
11/14/1995US5465581 Analytical system having energy efficient pump
11/09/1995WO1995030147A1 Instrument for measuring non-methane organic gases in gas samples
11/09/1995WO1995029702A1 Texaphyrin solid-supports and devices
11/09/1995DE4414826A1 Sepn. of substances, by transverse diffusion through a thin laminar flow field
11/08/1995EP0681182A1 Instrument for measuring non-methane organic gases in gas samples
11/08/1995EP0513086B1 Gas chromatography method and apparatus
11/08/1995CN1111352A Portable GCMS system using getter pump
11/08/1995CN1030231C Secondary ion mass spectrographic quantitative analysis method
11/07/1995CA2096823C Electrophoresis with chemically suppressed detection
11/07/1995CA1337520C Process for preparing solid perfluorocarbon polymer supports having attached perfluorocarbon- substituted ligand or binder
11/02/1995WO1995029142A1 Method of separating optical isomers
11/02/1995WO1995029009A1 System for dosing and dispensing particles
11/02/1995WO1995029003A1 Purification process
11/02/1995EP0679887A2 Method for extraction, extraction cartridge and automated extraction processing system
11/02/1995EP0679881A1 An optical detector device
11/02/1995EP0679251A1 Method and device for assessing the suitability of biopolymers
11/02/1995EP0483268B1 Optical devices
11/02/1995EP0393196B1 Molecular weight distribution measurement method, spectrophotodetector and molecular weight distribution measurement apparatus of polymers
11/01/1995CN1111057A Optical isomer separating agent and process for producing the same
10/1995
10/31/1995US5462660 High performance liquid chromatography injection system for the simultaneous concentration and analysis of trace components
10/31/1995US5462659 Chromatography column
10/30/1995CA2148201A1 Method for extraction, extraction cartridge and automated extraction processing system
10/26/1995WO1995019638A3 Ion spray with intersecting flow
10/26/1995DE4412703A1 Solvent mixt. prodn. for high pressure liq. chromatography
10/25/1995EP0503053B1 Gas chromatography system and methods
10/25/1995EP0434836B1 Method for purifying tenascin
10/24/1995US5461175 Method for separating enantiomers of aryloxipropanolamine derivatives, and chiral solid-phase chromatography material for use in the method
10/24/1995CA1337402C Carrier for affinity chromatography immobilized antibodies and preparation thereof
10/19/1995WO1995027898A1 Gas chromatographic analysis of fluoromethyl 1,1,1,3,3,3-hexafluoroisopropyl ether
10/19/1995WO1995027547A1 Apparatus for pressurizing a removable chromatography cartridge
10/19/1995WO1995025892A3 Electro-magnetically operated valve
10/19/1995DE4413003A1 Determination of monomer concn. in latex swollen with monomer
10/18/1995EP0677852A1 System for krypton-xenon concentration, separation and measurement
10/18/1995CN2210395Y Device for determining diffusive hydrogen when metal deposition
10/17/1995US5459677 Calibration transfer for analytical instruments
10/17/1995US5459076 Method for detecting nitric oxide, nitrosonium equivalents, S-nitrosothiols and S-nitroso-proteins in biological systems
10/17/1995US5458852 Diagnostic devices for the controlled movement of reagents without membranes
10/17/1995US5458783 Collecting an analyte
10/12/1995WO1995027199A1 Chromatography system and methodology
10/12/1995WO1995026796A1 Integrated chemical synthesizers
10/12/1995WO1995026795A1 Process for separating material from mixture using displacement chromatography
10/12/1995WO1995018966A3 Improved pulsed discharge systems
10/12/1995CA2187090A1 Process for separating material from mixture using displacement chromatography
10/10/1995US5457720 System for krypton-xenon concentration, separation and measurement for rapid detection of defective nuclear fuel bundles
10/10/1995US5457626 Bimodal liquid chromatography pump employing artificial intelligence logic feedback control
10/10/1995US5457181 Preparation of a high-purity human factor IX concentrate and other plasmatic proteins and their therapeutic use
10/04/1995EP0675361A2 Method for storage of labile protein materials
10/04/1995EP0675356A1 Method for detecting polymers in a solution, detector system and chromatography apparatus containing such a detector system
10/04/1995CN1109595A Method for biological fixed nitrogen detection
10/03/1995US5455359 Metal ion binding monomer and polymer
10/03/1995US5455175 Comprising an insulated chamber for holding biological sample containers within which heated and ambient air is alternately circulated; automatic DNA polymerase amplification
10/03/1995US5454472 Method of continuously separating mixtures of microscopic dielectric particles and apparatus for carrying through this method
10/03/1995CA2057858C Cyclodextrin polymer beads
09/1995
09/28/1995WO1995025892A2 Electro-magnetically operated valve
09/28/1995DE4410521A1 Separating column for gas chromatography
09/27/1995EP0674160A1 Fluorescence spectrometer
09/27/1995EP0673392A1 Method of preferential labelling of phycobiliprotein with amine-reactive dye for use in a multiple color assay
09/26/1995US5453382 Adsorption on column, imposing a voltage gradient and recovering mobile phase leaving adsorption media
09/26/1995US5453199 Molecular imaging
09/26/1995US5453198 Method for collecting analyte and an orifice for reducing pressure of a fluid
09/26/1995US5453186 Separating materials
09/26/1995US5453185 Column with macroporous polymer media
09/26/1995US5453170 Off-column detector for ion separation techniques
09/26/1995US5453163 Electrokinetic packing of capillary columns
09/21/1995WO1995025281A1 Identification of nucleotides, amino acids, or carbohydrates by mass spectrometry
09/21/1995WO1995025279A1 Filler for high-performance liquid chromatography and method of manufacturing the same
09/21/1995DE4408731A1 Liq. treatment station
09/21/1995DE19501531A1 Controlled-access multiple unit analysis equipment
09/20/1995EP0672904A1 A monolens for use in an optical detection system
09/20/1995EP0672831A2 Apparatus and method for supercritical fluid extraction
09/20/1995EP0671975A1 Chiral adsorbents and preparation thereof as well as compounds on which the adsorbents are based and preparation of these compounds