| 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) |
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| 05/24/1989 | EP0316492A1 Polymeric matrix for affinity chromatography and immobilization of ligands |
| 05/24/1989 | EP0316375A1 Automatic process for validation of the measurements of a chromatograph and system for its implementation. |
| 05/24/1989 | DE3838385A1 Method for carrying out biochemical assays and apparatus for carrying out the method |
| 05/24/1989 | DE3738691A1 Verfahren und vorrichtung zur praeparativen fluessigkeitschromatographie bzw. adsorption Method and apparatus for preparative liquid chromatography and adsorption |
| 05/24/1989 | CN1033109A Continuous regenerative high-performance ion-exchange column |
| 05/24/1989 | CN1033075A Method for self-performing enzyme kinetics |
| 05/23/1989 | US4833529 Color image processing system with a color separating circuit which produces a color image signal in response to a status signal from a color identifying circuit |
| 05/23/1989 | US4832916 Chromatographic column for immunological determining methods |
| 05/23/1989 | US4832850 Method and device for mass transport and separation through selective barriers |
| 05/23/1989 | US4832575 Automatic test system for check valve closure in pump for liquid chromatography system |
| 05/18/1989 | WO1989004202A1 Device for preparative liquid chromatography or adsorption |
| 05/18/1989 | WO1989004198A1 Porous membrane and process for its production |
| 05/17/1989 | EP0315633A1 Bonded chromatographic stationary phase. |
| 05/16/1989 | US4830921 Packing material for liquid chromatography |
| 05/16/1989 | US4830756 High speed separation of ultra-high molecular weight polymers by hyperlayer field-flow fractionation |
| 05/16/1989 | US4830752 Separation agent comprising 1,3-glucan |
| 05/10/1989 | EP0315058A2 Method for self-performing enzyme kinetics |
| 05/10/1989 | CN1032805A Gel-in-matrix containning fractured hydrogel |
| 05/09/1989 | US4829008 Analytical instrument with apparatus for sample concentrating |
| 05/09/1989 | US4828799 Therapeutic drug monitoring and analyte determination utilizing micellar chromatography |
| 05/09/1989 | US4828798 On site vessel contents analyzer |
| 05/09/1989 | US4828704 Thin-layer rod for chromatography |
| 05/09/1989 | US4828695 Reaction product of porous inorganic particles, epoxy silane, polyvinyl alcohol |
| 05/09/1989 | CA1253997A1 Process for purifying growth hormone-like materials |
| 05/05/1989 | WO1989003990A1 Device and procedure for metering samples in gas chromatography |
| 05/05/1989 | WO1989003980A1 Infrared emission detection |
| 05/03/1989 | EP0313805A1 Indicators and process to indicate organic compounds in water streams |
| 05/02/1989 | US4827134 Device for collecting samples |
| 05/02/1989 | US4826603 Hydrocarbon group-type analyzer system |
| 05/02/1989 | CA1253569A1 Test medium and method for detecting phosphorus segregates in metallic material |
| 05/02/1989 | CA1253422A1 Visualization method for the direct or indirect detection of the reaction between a specific binding agent and the corresponding acceptor substance in blot overlay assays |
| 04/27/1989 | DE3835081A1 Verfahren und einrichtung zur analyse organischer verbindungen mittels der chromatographie Method and device for the analysis of organic compounds by means of chromatography |
| 04/26/1989 | EP0313090A2 Porous ceramic material |
| 04/26/1989 | CN1032588A Flow capacity distribution type multidimentional gas chromatography |
| 04/25/1989 | US4824792 Apparatus and a method for removing a solute from a solvent |
| 04/25/1989 | US4824578 Method of purifying bioactive substances by biospecific adsorption |
| 04/25/1989 | US4824446 Gas chromatography simulation |
| 04/25/1989 | CA1253206A1 Apparatus and method for the determination of water by liquid chromatography |
| 04/25/1989 | CA1253061A1 Method of determining rapidly the concentration of the total sulphur dioxide and the lignosulphonate present in sulphite pulping process liquors |
| 04/20/1989 | WO1989003512A1 Fluid flow detector |
| 04/20/1989 | WO1989003430A1 Method to produce immunodiagnostic reagents |
| 04/19/1989 | EP0312242A2 Ion exchanger based on cross-linked glucomannan |
| 04/19/1989 | CN1032457A 色谱柱 Column |
| 04/18/1989 | US4823168 Flow-through cell for a photometer formed using a pair of cell body members |
| 04/18/1989 | US4823009 Ir compatible deposition surface for liquid chromatography |
| 04/18/1989 | US4822863 Antibody or enzyme binding support intermediate |
| 04/18/1989 | US4822168 Spectroscopic photometer for flow through sample absorption |
| 04/18/1989 | US4822167 Laser fluorometric detector for microcolumn chromatography |
| 04/18/1989 | US4822166 Flow-through cells for spectroscopy |
| 04/13/1989 | DE3732504A1 Method and apparatus for the determination of formaldehyde concentrations in the air |
| 04/12/1989 | EP0311382A2 Analysis method for atomic emission spectrometry |
| 04/12/1989 | EP0311224A1 Electron impact ion source for trace analysis |
| 04/12/1989 | EP0310912A1 Device for ramification of gas currents |
| 04/12/1989 | EP0310867A2 Chromatographic column |
| 04/12/1989 | EP0310719A1 Method for purification of antibodies |
| 04/11/1989 | US4820812 Oligonucleotide derivatives and production thereof |
| 04/11/1989 | US4820129 Pressure measurement in fluid pump systems |
| 04/11/1989 | US4820044 Transport detector system |
| 04/11/1989 | US4819478 Membrane assisted flow injection analysis |
| 04/06/1989 | WO1989003027A1 Improved differential pressure capillary viscometer |
| 04/06/1989 | DE3732767A1 Vorrichtungen und verfahren Devices and methods |
| 04/05/1989 | EP0310210A1 Measuring trace elements in gas |
| 04/05/1989 | EP0309596A1 Pumping apparatus for delivering liquid at high pressure |
| 04/05/1989 | EP0309489A1 Fused-silica microbore packed chromatography column with chemically modified column wall |
| 04/05/1989 | EP0309450A1 Micro-valve arrangement. |
| 04/05/1989 | CN2035480U Analyzing direct-reading chromatography device for iron |
| 04/05/1989 | CN2035479U Colume box of cassette type gaseous phase chromatography |
| 04/04/1989 | US4818687 Affinity column and process for detection of low molecular weight toxic substances |
| 04/04/1989 | US4818394 Separating agent |
| 04/04/1989 | US4818348 Converting to gas or liquid, detecting and comparing patterns of electrical response |
| 04/04/1989 | US4818274 Applying dicarboxylic ester |
| 04/04/1989 | US4818264 Multicapillary gas chromatography column |
| 04/04/1989 | CA1252002A1 Porous materials having two different reaction surfaces |
| 03/29/1989 | EP0309380A2 Recycle chromatograph with supercritical fluid |
| 03/29/1989 | EP0309334A1 Method for producing microcavities and use in an electrochemical sensor and in a gas chromatograph |
| 03/29/1989 | CN2035088U Continued electrophoresis hierarchy analysis instrument |
| 03/28/1989 | US4817032 User programmable data processor |
| 03/28/1989 | US4816159 Supercritical fluid chromatography packing material |
| 03/28/1989 | US4815325 Capillary fluid injectors |
| 03/23/1989 | WO1989002449A1 Reagent and process for binding polymers to micro-organisms in aqueous solutions |
| 03/23/1989 | DE3729891A1 Apparatus for converting volatile materials dissolved in water into the gas phase for the purpose of analysis using a gas chromatographic method |
| 03/22/1989 | EP0308235A2 Attachment of compounds to polymeric particles using carbamoylonium compounds |
| 03/22/1989 | EP0307985A2 Chromatography apparatus |
| 03/22/1989 | EP0307530A1 Capillary chromatography device and method for manufacturing |
| 03/21/1989 | US4814612 Method and means for vaporizing liquids for detection or analysis |
| 03/21/1989 | US4814089 Chromatographic separation method and associated apparatus |
| 03/21/1989 | US4814077 Cellulose or agarose surface treated with aromatic amine |
| 03/21/1989 | US4813267 Thermal conductivity detector |
| 03/21/1989 | CA1251515A1 Chromatography system comprising electrode coated with permeable membrane |
| 03/16/1989 | DE3729775A1 Chromatograph |
| 03/15/1989 | EP0307008A2 Reactor for application to a gas chromatographic system |
| 03/15/1989 | EP0306772A1 Lateral flow chromatographic binding assay device |
| 03/15/1989 | CN2034279U Thermodesorption flash feeder |
| 03/14/1989 | US4812344 Composite capillary tube structure and method of forming |
| 03/14/1989 | US4812241 Sample transfer for infrared analysis in thin layer chromatography-structure & method |
| 03/08/1989 | EP0306335A1 Analysis of ions present at low concentrations in solutions containing other ions |
| 03/08/1989 | EP0306333A2 Method and apparatus for the determination of isotopic composition |
| 03/08/1989 | EP0306332A2 Method and apparatus for the determination of isotopic composition |
| 03/08/1989 | EP0305875A2 Device for cryogenic enrichment of traces in gases |
| 03/08/1989 | EP0305817A2 Cartridge system for a chromatography column |