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)
07/1997
07/08/1997US5646296 Polymerizable bis-imidazolyl compounds; water treatment
07/08/1997US5646048 Microcolumnar analytical apparatus with microcolumnar flow gating interface and method of using the apparatus
07/08/1997US5645717 Non-soluble crosslinked acrylic polymer separators; compressed beds, gels
07/08/1997US5645702 Low voltage miniaturized column analytical apparatus and method
07/03/1997WO1997023780A1 Diagnostic assay providing plasma separation
07/03/1997WO1997023779A1 Gas inlet system
07/02/1997EP0781995A1 Method of applying solvent to a fluid system
07/02/1997EP0781416A1 Process for identifying free apoprotein (a)
07/02/1997EP0781130A1 Method for sleep induction
07/02/1997EP0762919A4 Sterilization of liquid chromatography resins
07/01/1997US5644503 Methods and apparatuses for analyzing multichannel chromatogram
07/01/1997US5644129 Direct analysis of paraffin and naphthene types in hydrocarbon
07/01/1997US5643447 Thin layer chromatographic plates
06/1997
06/26/1997WO1997022942A1 Deconvolution method for the analysis of data resulting from analytical separation processes
06/26/1997WO1997022876A1 Multi-cycle loop injection for trace analysis by ion chromatography apparatus and method
06/26/1997DE19602764C1 Determination of bromelain content of blood plasma
06/25/1997EP0750747A4 Identification of nucleotides, amino acids, or carbohydrates by mass spectrometry
06/24/1997US5642278 Method and apparatus for temperature and pressure compensation of pneumatic manifolds
06/24/1997US5642271 Pneumatic control system
06/24/1997US5641893 Chromatographic separation apparatus
06/24/1997US5641539 Molecular imaging
06/24/1997US5641403 Separating materials for hydrophobic chromatography
06/24/1997US5641400 Use of temperature control devices in miniaturized planar column devices and miniaturized total analysis systems
06/24/1997US5641270 Durable high-precision magnetostrictive pump
06/18/1997EP0779512A1 Column for capillary chromatographic separations
06/18/1997EP0553288B1 An apparatus and method for separating particles using a pliable vessel
06/18/1997CN1152354A Modular vial autosampler
06/18/1997CN1152126A Mass spectrometric apparatus for use with liquid chromatograph
06/17/1997US5640245 Spectroscopic method with double modulation
06/17/1997US5639372 Composite membranes for solid phase extractions and reactions
06/12/1997WO1997021095A2 Process and device for carrying out highly accurate rapid chemical analyses
06/12/1997WO1997021090A1 Devices and methods for using centripetal acceleration to drive fluid movement in a microfluidics system with on-board informatics
06/12/1997WO1997020639A1 Reversibly, non-covalent bound surface coating
06/12/1997WO1997016462A3 New acrylamido derivatives and new formulations for polyacrylamide matrices in electrophoretic and chromatographic techniques
06/12/1997DE19545423A1 Assembly for effecting chromatographic separation of fluid mixtures
06/12/1997CA2239613A1 Devices and methods for using centripetal acceleration to drive fluid movement in a microfluidics system with on-board informatics
06/11/1997EP0777887A1 Bimodal liquid chromatography pump employing artificial intelligence logic feedback control
06/11/1997EP0777725A1 Process and device for the rapid separation and/or conversion of substrates
06/11/1997EP0777691A1 Novel calibrated monodisperse magnetisable microsphere latex, preparation method therefor and use thereof in chemistry or biology
06/11/1997EP0700521A4 Method and apparatus for desorption and ionization of analytes
06/10/1997US5637790 Three capillary flow-through viscometer
06/10/1997US5637787 Gas chromatograph
06/10/1997US5637728 Metal ion binding monomer and polymer
06/10/1997US5637225 Method for fractionating sulphite cooking liquor
06/10/1997US5637208 Solvent pumping system for chromatography with switching-valve
06/05/1997WO1997020206A1 Discontinuous countercurrent chromatographic process and apparatus
06/05/1997WO1997020205A1 Analysis of carbohydrates in biological fluids by high performance liquid chromatography
06/05/1997WO1997016724A3 High performance liquid chromatography method and apparatus
06/05/1997DE19545130A1 Verfahren und Vorrichtungen für ein modulares Mikrosystem für hochgenaue chemische Schnell-Analysen und Verfahren zur Herstellung Methods and apparatus for a modular system for high-precision micro-chemical analysis and fast process for preparing
06/05/1997CA2238954A1 Discontinuous countercurrent chromatographic process and apparatus
06/05/1997CA2238856A1 Analysis of carbohydrates in biological fluids by high performance liquid chromatography
06/04/1997EP0777260A1 Mass spectrometer
06/04/1997EP0776243A1 Access valve devices, their use in separation apparatus, and corresponding methods
06/04/1997EP0722360B1 Ion exchanger
06/04/1997CN2255615Y Gas chromatography catalytic tester
06/03/1997US5636017 Optical detection arrangement for small volume chemical analysis of fluid samples
06/03/1997US5635070 Pumping speed controlled and volume pumped determined from pressure-related signal in feedback circuit
06/03/1997US5635060 Hydrophobic molecular sieve particles enmeshed within fibrillated polytetrafluoroethylene web matrix; chromatography, purification of aqueous fluids
06/03/1997US5634961 Employs a low-thermal-mass oven in which intake and exhaust vent apertures are aligned with respect to the rotational axis of the stirring fan
05/1997
05/29/1997WO1997019347A1 Chromotographic method and device in which a continuous macroporous organic matrix is used
05/29/1997WO1997018895A2 Disposable applicator and kit
05/28/1997EP0775306A1 Apparatus and method for performing microfluidic manipulations for chemical analysis and synthesis
05/28/1997EP0775150A1 Endotoxin reduction or removal process
05/28/1997EP0764043A4 Device for packing chromatographic stationary phases
05/28/1997EP0664885B1 Immobilisation material and apparatus for affinity chromatography with mobile organic solvent phase or reverse micellar phase, immuno assays with this immobilisation material
05/27/1997US5633497 Surface coating to improve performance of ion trap mass spectrometers
05/27/1997US5633496 Mass spectrometry apparatus
05/27/1997US5633356 Radioactive intermediate metabolite for use in diagnostic testing
05/27/1997US5633290 Pore-size selective modification of porous materials
05/27/1997US5633171 Connecting in series; transferring of effluents between suppressors
05/22/1997WO1997018240A1 Glial cell line-derived neurotrophic factor receptors
05/22/1997DE19616824A1 Micro-column analytic system with optical fibre for sample of fluid for liquid chromatography
05/22/1997DE19543240A1 Einwegauftragsvorrichtung sowie Kit Disposable applicator device and kit
05/22/1997CA2237641A1 Glial cell line-derived neurotrophic factor receptors
05/21/1997EP0774115A2 Printed fluid transport devices
05/21/1997EP0773954A1 Hydrophobic chromatographic resins with ionizable groups
05/21/1997EP0773829A1 Composite membranes for solid phase extractions and reactions
05/20/1997US5631345 Process for producing optically active polyketone
05/20/1997US5631221 Pollenosis-inducing polypeptide, process for preparing the same, and uses thereof
05/20/1997US5631140 Method for the quantitative determination of glycated proteins
05/20/1997US5631137 Reaction-based selection for expression of and concentration of catalytic moieties
05/20/1997US5630987 Using optical radiation and detection, pumping, fluid flow and acid washing
05/20/1997US5630943 Discontinuous countercurrent chromatographic process and apparatus
05/20/1997US5630937 Nucleophilic bodies bonded to siloxane and use thereof for separations from sample matrices
05/20/1997US5630706 Multichannel pump apparatus with microflow rate capability
05/15/1997WO1997017606A1 Electrochromatography apparatus
05/15/1997WO1997017375A1 Conjugation of ligand to immobilized protein in organic solvent
05/15/1997WO1997017132A1 Adsorption method and separation medium
05/15/1997CA2236875A1 Adsorption method and separation medium
05/14/1997EP0772631A1 Processes for the purification of human recombinant decorin and the detection of guanidinium ions
05/14/1997CN1149720A Plate type manifold assembly
05/14/1997CN1034885C Microquantity oxygen air-phase colour spectrum flame ion testing device
05/13/1997US5629519 Three dimensional quadrupole ion trap
05/09/1997WO1997016724A2 High performance liquid chromatography method and apparatus
05/09/1997WO1997016723A1 Method and device for analyzing volatile substances in gases
05/09/1997WO1997016462A2 New acrylamido derivatives and new formulations for polyacrylamide matrices in electrophoretic and chromatographic techniques
05/09/1997CA2233155A1 Method and device for analyzing volatile substances in gases
05/07/1997EP0772224A1 Analysis of samples
05/07/1997DE19540527A1 Identification modules for exchangeable components in analytical instruments
05/06/1997US5627643 Method and detector for separation processes