Patents
Sitemap › G01 - Measuring; Testing › G01N - Investigating or analysing materials by determining their chemical or physical properties › G01N 30 - Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography
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)
11/2000
11/21/2000US6149882 Parallel fixed bed reactor and fluid contacting apparatus
11/21/2000US6149818 Introducing liquid specimen into the separation device from a direction opposite to eluting direction of the device which retains an adsorbent; separating and eluting the specimen from eluting outlet together with eluant; avoids carryover
11/21/2000US6149816 Separating compounds of low molecular weight (a kilodalton) from compounds having relatively high molecular weights using a chromatographic column packed with rigid, porous particles having hydrophobic surfaces at given interstitial flow rates
11/21/2000US6149815 Apparatus creates electric field over dispensing receptacles to discharge liquid into receiver reservoirs or scientific apparatus; electrically-conductive plates are insulated from each other so that field polarizes liquid and forces movement
11/21/2000US6149814 Apparatus and method for supercritical fluid extraction or supercritical fluid chromatography
11/21/2000US6148680 Sample injector for a high-pressure liquid chromatograph
11/21/2000US6148661 Method of separating and rapidly analyzing a sample
11/21/2000US6148657 Method and apparatus for analyzing a breath sample
11/16/2000WO2000068685A1 Composition and method for measuring the foliar uptake of agrochemicals
11/16/2000WO2000067901A1 Affinity-controlling material with the use of stimulus-responsive polymer and separation/purification method with the use of the material
11/16/2000WO2000044389A3 Method for preparing membrane vesicles
11/16/2000WO1999035491A3 Method for detecting growth and stress in plants and for monitoring textile fiber quality
11/15/2000EP1052506A1 Eluate collecting device, liquid chromatography apparatus equipped with said collecting device, and material detecting method using liquid chromatography
11/15/2000EP1051603A1 Device for qualifying products containing volatile substances
11/15/2000EP0658168B1 Antibodies specific for a haemostatic protein, their use for isolating intact protein, haemostatic compositions devoid of proteolytic cleavage products of the protein
11/15/2000EP0646038B1 Passivated and stabilized porous supports and methods for the preparation and use of same
11/15/2000CN1273638A Multi-layer testing column
11/15/2000CN1273361A Method for detecting composition of carena, methoxyphenamine hydrochloride, narcotine, etc at same time
11/14/2000US6148266 Data processing apparatus for chromatograph
11/14/2000US6146895 Preparing volatile sample for gas chromatographic analysis; inserting a vial with volatile sample and terminal spacing into enclosure, heat and agitate sample, insert needle into vial and withdraw sample, analyze sample
11/14/2000US6146534 Thermally-managed separation and dewatering processes for recovering acid products
11/09/2000WO2000067022A2 Laboratory examination of a body fluid or tissue sample
11/09/2000WO2000030167A9 Polymer-based electrospray nozzle for mass spectrometry
11/09/2000DE19917918A1 Apparatus for filling cylindrical containers, especially high performance liquid chromatography columns, with liquid comprises cylindrical piston with lumen running from top to bottom
11/09/2000CA2370427A1 Laboratory examination of a body fluid or tissue sample
11/08/2000EP1049929A1 Process for producing inorganic porous material in a capillary
11/08/2000EP1007185A4 Microcolumn for extraction of analytes from liquids
11/08/2000EP0619020B1 Determination of tricyclic antidepressant drugs in the presence of interfering substances
11/07/2000US6143853 Method for separation and synthetic polymers that can be used as separation media in the method
11/07/2000US6143576 Non-porous diagnostic devices for the controlled movement of reagents
11/07/2000US6143573 Modular vial autosampler
11/07/2000US6143248 For controlling fluid flow from microreservoirs into transfer channels using capillary valving mechanisms for use in apparatus useful for performing microanalytic and microsynthetic analyses and procedures
11/07/2000US6141975 Sample cooler
11/02/2000WO2000065354A1 Mass spectrometry-based technologies for continuous flow bioassays using known ligands
11/02/2000WO2000065353A1 Identification of ligands for orphan receptors using mass spectrometry
11/02/2000WO2000065337A1 Method and apparatus for reducing sample dispersion in turns and junctions of microchannel systems
11/02/2000WO2000064951A1 Sulphonated polymer resin and preparation thereof
11/02/2000WO2000064557A1 High-throughput parallel liquid chromatography system
11/02/2000EP1048951A1 Mass spectrometry-based technologies for continuous flow biossays using known ligands
11/02/2000EP1048950A1 Identification of ligands for orphan receptors using on-line coupling of mass spectrometry to continuous-flow separation techniques
11/02/2000EP1048351A2 System for generating a high purity eluant
11/02/2000EP1048333A1 Device and method for chemical derivatization
11/02/2000EP1048332A1 Device and method for releasing reactants
11/02/2000EP1047943A1 Neutralization of polycations in a chromatographic device for whole blood use
11/02/2000EP1047928A1 Autosampler syringe with compression sealing
11/02/2000EP1047794A2 Method for the detection or nucleic acid of nucleic acid sequences
11/02/2000EP1047496A1 The preparation of novel gels for the purification of non-polar extractives
11/02/2000EP1047438A1 A process for the isolation, recovery and purification of non-polar extractives
11/02/2000CA2643162A1 Polymer identification, compositional analysis and sequencing, based on property comparison
11/01/2000CN1272218A Retentate chromatography and protein chip arrays with applications in biology and medicine
10/2000
10/31/2000US6139746 Method employing one or more cross-flow filter elements and one or more types of chromatography resins, in combination, to provide purification with advantageous yield, product purity, and cost- and time-efficiency
10/31/2000US6139735 Immobilization of membrane receptor on HPLC
10/31/2000US6139734 Apparatus for structural characterization of biological moieties through HPLC separation
10/31/2000US6139733 Module and method for introducing a sample into a chromatography column
10/31/2000US6139732 Chromatography column
10/26/2000WO2000063684A1 Charge-flow separation devices and methods
10/26/2000WO2000063255A1 Process for producing chitin derivative
10/26/2000WO2000020357A3 Chemical constructs
10/25/2000EP0642662B1 Liquid chromatography cartridge
10/25/2000CN1271097A Medicinal material content and stability measuring method for radioactive injecta
10/24/2000US6138082 Standardizing between analytical instruments
10/24/2000US6136925 Hydroxyl group-containing covalently bound polymer separating materials and processes for their preparation
10/24/2000US6136438 Process for modifying stationary carrier phases containing silanol or silanol groups with calixarenes for chromatography
10/24/2000US6136198 Separation of stereoisomers within variable-length chromatography column
10/24/2000US6136197 Packing column by flowing mixture of matrix material and fluid into column chamber and along a first flow path through a first port obstructed by a matrix-retaining permselective membrane, unpacking column by opening a discharge port valve
10/24/2000US6136187 Separation column containing porous matrix and method of packing column
10/24/2000US6136171 High resolution sample analysis
10/24/2000US6134945 Method for applying samples to be analyzed by gas chromatography and sampling tube
10/24/2000US6134944 System and method for preconcentrating, identifying, and quantifying chemical and biological substances
10/24/2000US6134943 Electron capture detector for gas chromatograph
10/19/2000WO2000062055A1 Method and apparatus for developing multiple thin layer chromatography plates
10/19/2000WO2000062054A2 Portable gas chromatograph mass spectrometer for on-site chemical analyses
10/19/2000WO2000062053A1 Method for cleaning the flash chamber of a gas chromatographic device and injector for the implementation of said method
10/19/2000WO2000062052A1 Method and device for analyzing chemical substances
10/19/2000WO2000062043A1 System and method for chromatography and electrophoresis using circular optical scanning
10/19/2000WO2000061261A2 Thermophoretic pump and concentrator
10/19/2000WO2000031527A3 Method and system for silicon microlens cleaning
10/19/2000WO2000018256A3 Multiple liquid flow electrospray interface
10/19/2000DE19914358A1 Flow control system for finest capillary chromatographic columns, producing a working- and an overflow stream, includes volumetric flow rate sensor and controller operating variable flow resistance
10/19/2000DE19913809A1 Concentration of dilute soluble species for analysis, comprises adsorbing onto coated magnetic stirrer impeller elements, and desorption in gas chromatograph
10/19/2000DE10016545A1 Quantitative determination of organophosphorus compounds by replacing the cations in solution with hydrogen ions, concentrating the solution, decomposing the compounds to orthophosphate and measuring orthophosphate content
10/18/2000EP1045242A2 Process and device for sizeresolved chemical and physical determination of aerosol particles
10/18/2000EP1044378A2 Real-time monitoring of an analyte by chromatography using an on-line assay
10/18/2000EP1044370A1 Software for the display of chromatographic separation data
10/18/2000EP1044357A1 Method and device for the quasi-continuous analysis of inorganic or organic substances contained in fluids
10/18/2000EP1044047A1 Liquid chromatography column
10/18/2000EP1044046A1 Apparatus and method for making a sealable connection to a chromatography cartridge
10/18/2000EP0885393A4 Graphitic nanotubes in luminescence assays
10/18/2000CN1270312A Determining device for analyzing apparatus
10/18/2000CN1270311A Liquid chromatographic system
10/18/2000CN1270310A Process for analyzing contents of methylbenzoic acid and p-carboxyl benzaldehyde in organic solvent
10/18/2000CN1057608C Affinity chromatographic material, the prepn. method and application thereof
10/18/2000CN1057607C Double functional chromatographic material and preparing method and use
10/17/2000US6134503 Data processing unit for and method of chromatography
10/17/2000US6133740 Chlorine specific gas chromatographic detector
10/17/2000US6132605 Apparatus and method for making a sealable connection to a chromatography cartridge
10/17/2000US6131440 Selective removal of volatile substances injected into a chromatographic packing filled column
10/12/2000WO2000060342A1 Laser-induced fluorescence detector and method for the implementation of said device
10/11/2000EP1042358A1 Free solution ligand interaction molecular separation method
10/11/2000EP1042223A1 Method for the preparation of carbonated hydroxyapatite compositions
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