| 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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| 06/09/1999 | CN1219240A Purification of tissue plasminogen activator |
| 06/09/1999 | CN1218906A Method for analysing water solbule contaminant in the air of clean room and instrument thereof |
| 06/09/1999 | CN1218905A Efficient liquid phase chromatographic analysis of organic fire-retardant |
| 06/08/1999 | US5911000 Detecting abnormal reactions in a red blood cell agglutination |
| 06/08/1999 | US5910462 Heating zironia-silica to a liquid melt, quenching to effect spinodal decomposition; annealing to transform zirconia to monoclinic form, leaching out silica phase; three dimensional porous interpenetrating network; alkali resistant supports |
| 06/08/1999 | US5910450 Process and device for enriching gas, vapor and/or aerosol emissions released from an object |
| 06/03/1999 | WO1999027361A1 Electrochemical analysis system |
| 06/02/1999 | EP0918989A1 Method of detecting gynecological carcinomas |
| 06/02/1999 | EP0918988A1 Apparatus and method for gas chromatography |
| 06/02/1999 | EP0918987A1 Process and installation for carrying out column tests under hydrostatic pressure |
| 06/02/1999 | DE19752909A1 Selective and sensitive gas analysis |
| 06/02/1999 | CN1218478A Cyclic adhesion inhibitors |
| 06/02/1999 | CN1043534C Improved cellulose chromatography support |
| 06/01/1999 | US5908995 System for measuring the solubility of solid compounds in supercritical fluids |
| 06/01/1999 | US5908556 Automatic ionic cleanliness tester |
| 06/01/1999 | US5908552 Column for capillary chromatographic separations |
| 06/01/1999 | CA2112910C Fluid sampling system |
| 05/27/1999 | WO1999025452A1 High-throughput method and apparatus for identifying, quantitating and determining the purity of chemical compounds in mixtures |
| 05/27/1999 | WO1999025451A1 Liquid chromatography column |
| 05/27/1999 | WO1999025450A1 Improvement in chemical analyses |
| 05/27/1999 | CA2309936A1 Liquid chromatography column |
| 05/26/1999 | EP0917533A2 Oligonucleotide linker and techniques involving immobilized and linked oligonucleotides |
| 05/26/1999 | CN1217791A Graphitic nanotubes in luminescence analysis |
| 05/25/1999 | US5906723 Electrochemical detector integrated on microfabricated capillary electrophoresis chips |
| 05/25/1999 | US5906223 Chromatography valve assembly |
| 05/25/1999 | CA2059398C Solid phase extraction medium |
| 05/20/1999 | WO1999024829A1 Apparatus and method for gas phase chromatography |
| 05/20/1999 | WO1999024828A1 Serpentine electrophoresis channel with self-correcting bends |
| 05/20/1999 | WO1999024138A1 Device and methods for purifying biological molecules using low volumes of chromatographic and adsorptive media |
| 05/20/1999 | WO1999024137A1 Apparatus and method for making a sealable connection to a chromatography cartridge |
| 05/20/1999 | CA2309817A1 Apparatus and method for making a sealable connection to a chromatography cartridge |
| 05/19/1999 | EP0916945A1 Circular dichroism detector for HPLC |
| 05/19/1999 | EP0916405A2 Improved bevel closure assay device housing |
| 05/19/1999 | EP0916352A2 Use of polymers to inhibit the denaturation of absorbed proteins |
| 05/19/1999 | EP0915832A1 Boronic compound complexing reagents and highly stable complexes |
| 05/19/1999 | EP0915734A1 An enzymatic method for removing contaminants from ion exchange and fractionation resin |
| 05/19/1999 | EP0668745B1 Assaying device |
| 05/19/1999 | EP0662013B1 Apparatus for supercritical fluid extraction or supercritical fluid chromatography |
| 05/19/1999 | CN1217060A Immunochromatographic assay device |
| 05/19/1999 | CN1043441C Capillary electrophoresis device and ion analysis method |
| 05/18/1999 | US5905195 Method for analyzing total reactive sulfur |
| 05/18/1999 | US5905192 Method for identification of chromatographic peaks |
| 05/18/1999 | US5904749 Gas chromatographic method |
| 05/18/1999 | CA2151979C Electron capture detector with guard electrode |
| 05/14/1999 | WO1999022868A1 Pressure-enhanced extraction and purification |
| 05/14/1999 | WO1999022839A1 Method for high resolution liquid chromatographic separation of polynucleotides |
| 05/14/1999 | CA2308314A1 Method for high resolution liquid chromatographic separation of polynucleotides |
| 05/14/1999 | CA2307876A1 Pressure-enhanced extraction and purification |
| 05/12/1999 | EP0915336A2 Opposable-element chromatographic assay device for detection of analytes |
| 05/12/1999 | EP0915334A1 Method and apparatus for concentrating solution |
| 05/12/1999 | EP0915329A2 Odor collection apparatus |
| 05/12/1999 | EP0915171A2 Sample processing method using ion exchange resin |
| 05/12/1999 | EP0914615A1 Process for establishing direct diagnostic evidence of pathogenic, genetically-conditioned point mutations |
| 05/12/1999 | EP0898490A4 Method for determining saturation of carbon filters in a gas treatment process |
| 05/12/1999 | EP0442977B1 Chromatography method |
| 05/11/1999 | US5903348 Capillary analysis system |
| 05/11/1999 | US5902485 Access valve devices, their use in separation apparatus and corresponding methods |
| 05/06/1999 | WO1999022244A2 Method for determination of drugs of abuse in biological samples |
| 05/06/1999 | WO1999022234A1 Chromatographic column and valve |
| 05/06/1999 | WO1999022228A1 A multichannel microscale system for high throughput preparative separation with comprehensive collection and analysis |
| 05/06/1999 | EP0913689A1 Method for detecting s-nitroso compound |
| 05/06/1999 | EP0912605A1 Imprint polypeptides covalently cross-linked and having a fixed and stabilised arrangement, process for the preparation and use thereof |
| 05/06/1999 | EP0912242A1 Chiral non-particulate sorbents |
| 05/06/1999 | EP0815424A4 Sample collection device |
| 05/06/1999 | EP0671002B1 Ion chromatography using frequent regeneration of batch-type suppressor |
| 05/05/1999 | CN2317479Y High capacity ion chromatographic inhibiting column |
| 05/04/1999 | US5900934 Capillary chromatography detector apparatus |
| 05/04/1999 | US5900557 For vials |
| 05/04/1999 | US5900152 Apparatus to reduce inhomogeneities in optical flow cells |
| 05/04/1999 | US5900144 Separating agent comprising bonded conalbumin |
| 05/04/1999 | CA2026843C Self-performing immunochromatographic device |
| 04/29/1999 | DE19755244C1 Flange connection mechanism especially for chromatography column |
| 04/28/1999 | EP0911342A1 Novel protein and process for producing the same |
| 04/28/1999 | EP0910788A1 Integrated collection and vaporization particle chemistry monitoring |
| 04/28/1999 | EP0910474A1 Absorption-enhanced differential extraction device |
| 04/28/1999 | EP0775150B1 Endotoxin reduction or removal process |
| 04/28/1999 | EP0739533B1 Ion spray with intersecting flow |
| 04/27/1999 | US5898175 Mass spectrometer and mass spectrometry method for analyzing compounds contained in a solution |
| 04/27/1999 | US5897781 Active pump phasing to enhance chromatographic reproducibility |
| 04/22/1999 | WO1999019899A1 Curved introduction for mass spectrometry |
| 04/22/1999 | DE19840763A1 Turbine generator component diagnostics process |
| 04/21/1999 | EP0808455B1 Application of countercurrent chromatography to the deconvolution of chemical libraries |
| 04/21/1999 | CN2315566Y New liquid phase chromatographic column |
| 04/21/1999 | CN1214771A Carrier material loadable by through flow for solid phase assays |
| 04/15/1999 | WO1998059360A9 Retentate chromatography and protein chip arrays with applications in biology and medicine |
| 04/15/1999 | DE19842667A1 Capture of basic or acidic target material in gas during liquid production |
| 04/14/1999 | EP0908925A2 Determining halogen toxicity level of halogenated compounds |
| 04/14/1999 | EP0908174A2 Compositions for fragrancing at least one perfumable material and fragrance diffusion evaluation apparatus |
| 04/14/1999 | EP0907887A1 Engineering affinity ligands for macromolecules |
| 04/14/1999 | EP0885055A4 Fractionation using dielectrophoresis and field flow fractionation |
| 04/13/1999 | US5894063 Surface-enhanced neat desorption for disorption and detection of analytes |
| 04/13/1999 | US5893971 Apparatus that maintains compression in a tube |
| 04/08/1999 | WO1999017104A1 Apparatus and method for radioactivity measurement in liquid chromatography |
| 04/08/1999 | WO1999017100A1 Multiple analyte diffusion-based chemical sensor |
| 04/08/1999 | WO1999016545A1 Chemically-modified porous materials with an electroneutral hydrophilic outer surface |
| 04/08/1999 | WO1999016526A1 Method for separating complex mixtures by means of solid phase extraction for use in active substance search and analysis |
| 04/08/1999 | WO1999016319A1 A fagopyrum cymosum (trev.) meisn composition, method to prepare and analyze the same and uses thereof |
| 04/08/1999 | CA2304763A1 A fagopyrum cymosum (trev.) meisn composition, method to prepare and analyze the same and uses thereof |
| 04/07/1999 | EP0906962A1 Interseparation of platinum group metals |
| 04/07/1999 | EP0906638A1 Automated calibrant system for use in a liquid separation/mass spectrometry apparatus |