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)
05/1998
05/06/1998EP0839319A2 Selective removal of volatile substances injected into a chromatographic packing filled column
05/06/1998EP0839318A1 Microfabricated differential extraction device and method
05/06/1998EP0839068A1 On line detection of a desired solute in an effluent stream using fluorescence spectroscopy
05/06/1998EP0757587A4 Mixing apparatus for microflow gradient pumping
05/06/1998EP0748247A4 Macrocyclic antibiotics as separation agents
05/06/1998EP0722361B1 Epoxy derivatives of polyacrylic amides
05/06/1998CN1180840A Chromatograph type testing fixture
05/05/1998US5748491 Deconvolution method for the analysis of data resulting from analytical separation processes
05/05/1998US5748437 Fluid separation system with flow-through capacitor
05/05/1998US5747663 Process for the depletion or removal of endotoxins
05/05/1998US5747346 Reacting a serum sample with diphenylamine, aniline and phosphoric acid to detect ethyl beta-glucuronide, being detectable at least seven days after the person has terminated the consumption of alcohol
05/05/1998US5746976 Detachable gas analyzing apparatus
04/1998
04/30/1998WO1998018007A1 A method for dosing proteins in biological liquids, a kit for dosing the proteins and its use in ion exchange chromatography in tubes
04/30/1998WO1998017999A1 Trace vapour detection
04/30/1998WO1998017998A1 Real-time gas-chromatography mass-spectrometry trace vapor detection
04/30/1998WO1998003264A3 Chemical sample treatment cassette and methods
04/29/1998EP0838032A2 High performance liquid chromatography method and apparatus
04/29/1998EP0838025A1 Self-contained device integrating nucleic acid extraction, amplification and detection
04/29/1998EP0837882A1 Collagen peptide fraction and its uses
04/29/1998EP0776243B1 Access valve devices, their use in separation apparatus, and corresponding methods
04/29/1998CN1180168A Data processing equipment for chromatograph
04/29/1998CN1180167A Gas chromatograph/mass spectrometer
04/28/1998US5744702 Method for analyzing total reactive sulfur
04/28/1998US5744696 Thermal isolation system in a chromatograph
04/28/1998US5744100 Electrophoresis
04/28/1998US5744029 Gas chromatography oven
04/28/1998US5743941 Bottle top solvent degasser
04/28/1998CA2057926C Chemical products
04/23/1998DE19718652A1 Liquid chromatography apparatus with improved separation
04/22/1998EP0837326A1 Absorptivity detecting apparatus, chromatographic apparatus, method of detecting absorptivity and method of chromatography
04/22/1998EP0796403A4 Functionalized nanotubes
04/22/1998EP0562121B1 Separating agent comprising bonded conalbumin
04/22/1998CN1038149C Process for producing ferro-tungsten fluxing agent
04/21/1998US5741960 Probe chromatograph apparatus and method
04/21/1998US5741711 Flame-based method and apparatus for analyzing a sample
04/21/1998US5741412 Multiple capillary biochemical analyzer
04/21/1998CA2058763C Miniaturized mass spectrometer system
04/16/1998WO1998015824A1 A direct screw-on cartridge holder with self-adjustable connection
04/16/1998WO1998015823A1 Poly-capillary chromatographic column
04/16/1998WO1998015818A1 Hybrid integrated circuit for a gas sensor
04/15/1998EP0835446A2 High speed, automated, continuous flow, multi-dimensional molecular selection and analysis
04/15/1998EP0835443A1 Method and silicate composition for conditioning silica surfaces
04/15/1998EP0835439A1 Method for quantifying sphingosine and for diagnosing platelet activation
04/15/1998EP0835435A1 Flow-through sampling cell and use thereof
04/14/1998US5739699 Method and apparatus for ion discrimination in an electron capture detector
04/14/1998US5739422 Multicycle loop injection for trace analysis by ion chromatography apparatus and method
04/14/1998US5738790 Composite membranes for solid phase extractions and reactions
04/14/1998US5738783 Pumps for injecting solvent to mix with sample, pre-column for concentrating sample
04/14/1998US5738707 Device and method for the separation of a sample into its individual components in a capillary conduit of a gas chromatography analysis apparatus
04/14/1998US5738498 Apparatus and method for thermoelectric cooling of an extraction fluid pump
04/14/1998US5738133 Liquid analyzing apparatus
04/09/1998WO1998014776A1 Extraction column provided with a system for fast mounting, replacing and dismounting the shaft elements
04/09/1998WO1998014770A1 High throughput solid phase chemical synthesis utilizing thin cylindrical reaction vessels useable for biological assay
04/09/1998DE19724266A1 Verfahren und Vorrichtung zur isoelektrischen Teilchentrennung Method and apparatus for isoelectric particle separation
04/08/1998EP0834071A1 Method for predicting chemical or physical properties of crude oils
04/08/1998EP0679251B1 Method and device for assessing the suitability of biopolymers
04/08/1998EP0619016B1 Process and device for the differential measurement of refraction indexes and use thereof
04/08/1998EP0439508B1 Polyethylene glycolcol (peg)-protein adducts and process for their fractionation
04/08/1998CN1178578A Sample collection device
04/07/1998US5736259 Carrier coated with polysaccharide ether, ester or carbamate derivative having been washed to remove dissolved matter; noncontamination, separation resolution
04/07/1998US5736188 Printed fluid transport devices
04/07/1998US5736036 A metal tube jacket with interior biocompatible polymeric tube with two fitting extenders; high pressure
04/02/1998WO1998013689A1 Process and device for isoelectric particle separation
04/02/1998WO1998013118A1 Hplc-based device and method for separating high complex substance mixtures
04/02/1998DE19641210A1 Separation of complex mixtures, e.g. of natural products
04/02/1998DE19640490A1 Supply arrangement for carbon di:oxide provided from cylinder of liquid gas
04/02/1998DE19638501A1 Capillary especially micro-capillary production
04/01/1998EP0833152A1 Method and apparatus for optimizing the sensitivity and linearity of an electron capture detector
04/01/1998EP0832430A1 Devices and methods for separating cellular components of blood from liquid portion of blood
04/01/1998EP0832116A1 New dna molecules
04/01/1998EP0607348B1 Apparatus and method for aligning capillary column and detection optics
03/1998
03/31/1998US5734097 Analyzer and method for measuring water in liquids
03/31/1998US5734092 Hydrogen permeabile membrane
03/31/1998US5734043 Polysaccharide supported on silica gel
03/31/1998US5733788 PMPA preparation
03/31/1998US5732476 Microwave-assisted separations using volatiles, and apparatus therefor
03/26/1998DE19707641C1 Chromatographic separation of hetero:aryl-thiadiazinone derivatives
03/25/1998EP0831328A2 Apparatus and method for determining concentrates of oil or other non-volatile contaminants in cleaning solvents
03/25/1998EP0831326A1 Method and apparatus for ion discrimination in an electron capture detector
03/25/1998EP0831325A1 Method and apparatus for ion discrimination in an electron capture detector
03/25/1998EP0830613A1 Flow tube for nmr probe
03/25/1998EP0706646B1 Sample holder and its use
03/25/1998CN1177358A Photochemically cross-linked polysaccharide derivatives as supports for the chromatoghaphic separation of enantiomers
03/24/1998US5730943 Liquid chromatography
03/24/1998US5730867 Method and apparatus for low pressure liquid chromatography
03/24/1998US5730866 Automatic ionic cleanliness tester
03/24/1998US5730765 Super toxic analytical glove box system
03/24/1998CA1339779C On-column conductivity detector for microcolumn electrokinetic separations
03/24/1998CA1339772C Method for separating long-chain nucleic acid
03/24/1998CA1339768C Paralog affinity chromatography
03/19/1998WO1998011432A1 Analytical engine for gas chromatograph
03/19/1998WO1998011431A1 Improved fluid control valve arrangement
03/19/1998WO1998011419A1 Method for analyzing total reactive sulfur
03/19/1998WO1998011344A2 Pulseless, reversible precision piston-array pump
03/18/1998EP0829717A2 Backflushing system for gas chromatography
03/18/1998EP0829716A1 Chromatography valve assembly
03/18/1998EP0829715A2 Method and apparatus for performing liquid chromatography
03/17/1998US5728586 Gas chromatograph and lamps with windows for emitting radiation and ionization detectors
03/17/1998US5728457 Porous polymeric material with gradients
03/17/1998US5728301 Analyzing mixtures of compounds using chromatography, coating thin films on supports, drying, dissolving and treatment with infrared radiation