| 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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| 04/07/1999 | EP0906565A1 Improved cooling device for cooling heatable gas chromatography analyte sample injector |
| 04/06/1999 | US5892581 Absorptivity detecting apparatus, chromatographic apparatus, method of detecting absorptivity and method of chromatography |
| 04/06/1999 | US5892458 Apparatus for recognition of exchangeable parts in analytical measuring instruments |
| 04/06/1999 | US5891648 Reaction-based selection for expression of and concentration of catalytic moieties |
| 04/01/1999 | DE19842785A1 Preparation of porous material with a hydrophilic and porous surface with functional ligands |
| 04/01/1999 | DE19743176A1 Verfahren zur Auftrennung komplexer Substanzgemische mittels Festphasenextraktion zur Anwendung in der Wirkstoffsuche und für analytische Zwecke Process for the separation of complex mixtures of substances by solid phase extraction for use in drug discovery and for analytical purposes |
| 03/31/1999 | EP0905743A1 Ion source and accelerator for improved dynamic range and mass selection in a time of flight mass spectrometer |
| 03/31/1999 | EP0905501A2 A portable detection and screening system |
| 03/31/1999 | EP0904541A1 PURIFICATION OF TISSUE PLASMINOGEN ACTIVATOR (tPA) |
| 03/31/1999 | EP0904295A1 Process for separating and analyzing hydrophobic proteins using thin layer chromatography |
| 03/31/1999 | EP0904285A1 Cyclic adhesion inhibitors |
| 03/31/1999 | CN1212370A Gas chromatograph mass spectrometer |
| 03/30/1999 | US5889404 Discharge ionization detector having efficient transfer of metastables for ionization of sample molecules |
| 03/30/1999 | US5889197 Gas Chromatograph apparatus |
| 03/30/1999 | US5889186 Resolution using fluidized bed chromatography |
| 03/30/1999 | US5888390 Multilayer integrated assembly for effecting fluid handling functions |
| 03/30/1999 | US5888370 Method and apparatus for fractionation using generalized dielectrophoresis and field flow fractionation |
| 03/30/1999 | CA2068850C Multilayer flow electrospray ion source using improved sheath liquid |
| 03/27/1999 | WO1999026063A1 Method and equipment for measuring global volatile substances |
| 03/25/1999 | WO1999014556A1 Low temperature adaptor for evaporative light detection |
| 03/25/1999 | WO1999001759A3 Method, device and apparatus to detect changes of state in a capillary and to optimize injection conditions of a sample into gas-chromatography apparatuses. |
| 03/25/1999 | DE19741247A1 Solvents removed from effluent gases discharged from chromatography |
| 03/24/1999 | EP0903580A1 Liquid chromatography electrochemical detector, liquid chromatograph, and analyzing method using the chromatograph |
| 03/24/1999 | EP0903579A1 Polymer packing material for liquid chromatography and a producing method thereof |
| 03/24/1999 | EP0903578A2 A composition and column used in HPLC, a method for preparing the composition, and a method for separating different chemicals in a sample |
| 03/24/1999 | EP0902894A1 Immunochromatographic assay device |
| 03/24/1999 | CN2311774Y Domestic animals meat moisture detector |
| 03/23/1999 | US5885842 Methods for the detection of nitric oxide in fluid media |
| 03/23/1999 | US5885841 System and methods for qualitatively and quantitatively comparing complex admixtures using single ion chromatograms derived from spectroscopic analysis of such admixtures |
| 03/23/1999 | US5885838 Analyzing a hydrocarbon fluid to determine the identity of any tagging agents contained therein |
| 03/23/1999 | US5885527 Diagnostic devices and apparatus for the controlled movement of reagents without membrances |
| 03/23/1999 | US5885332 Vacuum degassing tube coil arranged within enclosed body removably attached directly to a solvent reservoir with fluid-tight sealing; simplification |
| 03/23/1999 | US5884417 Microwave-assisted separations using volatiles |
| 03/23/1999 | CA1340459C Method to produce immunodiagnostic reagents |
| 03/18/1999 | WO1999013312A1 Capillary valve, connector, and router |
| 03/18/1999 | WO1999012626A1 Microstructure chromatograph with rectangular column |
| 03/18/1999 | WO1999012625A1 Chromatography assembly |
| 03/18/1999 | DE19840026A1 Metering and mixing system for multiple fluids in separate reservoirs with suction pump and electromagnetic valves |
| 03/18/1999 | CA2246639A1 Targeted delivery of active/bioactive and perfuming compositions including compositions for fragrancing at least one perfumable material and the environment proximate thereto, methods for using same and processes for preparing same; and novel components of the compositions and novel uses of components of the compositions and process for testing etc... |
| 03/17/1999 | EP0901589A1 Valve, adapted to connect a flow module to a flow line |
| 03/17/1999 | EP0765191B1 Method for making spherical adsorbent particles |
| 03/17/1999 | EP0713416B1 Integral fitting and filter |
| 03/16/1999 | US5882939 Multilayer thin chromatography with supports and absorbent layers |
| 03/16/1999 | US5882601 Deflected septum seal access port |
| 03/16/1999 | US5882571 Method for making miniaturized planar columns in novel support media for liquid phase analysis |
| 03/16/1999 | US5882521 Water-wettable chromatographic media for solid phase extraction |
| 03/11/1999 | WO1999011392A1 Apparatus for manufacturing chromatographic columns |
| 03/11/1999 | WO1999011373A2 Apparatus and methods for droplet microchemistry |
| 03/11/1999 | WO1999011351A1 Ion chromatographic method and apparatus using a combined suppressor and eluent generator |
| 03/11/1999 | CA2302271A1 Apparatus and methods for droplet microchemistry |
| 03/10/1999 | EP0900123A1 Particle-loaded membranes as oxidant scavengers |
| 03/10/1999 | EP0838032B1 High performance liquid chromatography method and apparatus |
| 03/10/1999 | CN1210262A 2-nitryl-4-benzyl chloride chromatographic derivative reagent and preparation thereof |
| 03/10/1999 | CN1042418C Optical isomer separating agent and process for prodcuing the same and its use |
| 03/09/1999 | US5880255 Process for fractionating polyethylene glycol (PEG)-protein adducts and an adduct of PEG and granulocyte-macrophage colony stimulating factor |
| 03/09/1999 | US5879644 Interseparation of platinum group metals |
| 03/09/1999 | US5879627 Automatic sample injector |
| 03/04/1999 | WO1999010522A1 Drug discovery using multiple membrane mimetic affinities |
| 03/04/1999 | CA2300863A1 Drug discovery using multiple membrane mimetic affinities |
| 03/03/1999 | EP0899569A2 Liquid chromatographic analysis apparatus and liquid chromatographic analyzing method |
| 03/03/1999 | EP0899568A2 System controller for analyzer |
| 03/03/1999 | EP0899567A1 Perfusive Chromatography |
| 03/03/1999 | EP0899566A2 Analytical apparatus, liquid chromatography analyzer and a method therefor |
| 03/03/1999 | EP0899565A1 Gas chromatographic detector |
| 03/03/1999 | EP0898491A2 Water-wettable chromatographic media for solid phase extraction |
| 03/03/1999 | EP0898490A1 Method for determining saturation of carbon filters in a gas treatment process |
| 03/03/1999 | EP0804474B1 Identification, quantitation and purification of insecticidal proteins from bacillus thuringiensis |
| 03/03/1999 | EP0722355B1 Single-phase fluid dispensing, mixing and removing apparatus for beds of granular solids |
| 03/03/1999 | EP0692097B1 Opposable-element chromatographic assay device |
| 03/03/1999 | EP0581881B1 Method for analyte classification by sc profiles |
| 03/02/1999 | US5877028 Immunochromatographic assay device |
| 03/02/1999 | US5876918 Aligned fiber diagnostic chromatography with positive and negative controls |
| 03/02/1999 | US5876595 Olefinic silanes |
| 03/02/1999 | US5876582 Methods for preparing devices having metallic hollow microchannels on planar substrate surfaces |
| 02/28/1999 | CA2244309A1 System controller for analyzer |
| 02/25/1999 | WO1999009204A1 Methods for the high-resolution identification of solvent-accessible amide hydrogens in polypeptides |
| 02/25/1999 | WO1999009203A1 Chromatographic method for mutation detection using mutation site specifically acting enzymes |
| 02/25/1999 | CA2300100A1 Methods for the high-resolution identification of solvent-accessible amide hydrogens in polypeptides |
| 02/25/1999 | CA2298630A1 Chromatographic method for mutation detection using mutation site specifically acting enzymes |
| 02/24/1999 | EP0898167A1 Ion chromatography using frequent regeneration of batch-type suppressor |
| 02/24/1999 | EP0897568A1 Multicomponent analysis method including the determination of a statistical confidence interval |
| 02/24/1999 | EP0871869A4 Intermittent electrolytic membrane suppressor regeneration for ion chromatography |
| 02/23/1999 | US5874005 Separation of enantiomorphs in solution; chromatography, electrophoresis |
| 02/23/1999 | CA2120682C Improved apparatus for rapid and specific detection of organic vapours |
| 02/18/1999 | WO1999008309A1 Ion source for a mass analyser and method of cleaning an ion source |
| 02/18/1999 | WO1999007899A1 Denaturing multi ion polynucleotide chromatography for detecting mutations |
| 02/18/1999 | CA2298019A1 Denaturing multi ion polynucleotide chromatography for detecting mutations |
| 02/17/1999 | EP0897108A1 Maethod and apparatus for analytic detection of traces |
| 02/17/1999 | EP0896964A2 Perylenehydrazideimides as carbonyl derivatizing agents |
| 02/17/1999 | CN1208464A Device and methods for using centripetal acceleration to drive fluid movement in a microfluidics system with on-board informatics |
| 02/16/1999 | US5872306 Real-time gas-chromatography mass-spectrometry trace vapor detection |
| 02/16/1999 | US5872010 Microscale fluid handling system |
| 02/16/1999 | US5871158 Methods for preparing devices having metallic hollow microchannels on planar substrate surfaces |
| 02/10/1999 | EP0895587A1 Capillary tube holder |
| 02/10/1999 | EP0895584A1 Analysis of complex mixtures |
| 02/10/1999 | EP0758449A4 Intermittent electrolytic packed bed suppressor regeneration for ion chromatography |
| 02/09/1999 | USRE36092 Cyclodextrins which have been alkylated or alkenylated, optionally acylated |
| 02/09/1999 | US5869345 Opposable-element assay device employing conductive barrier |
| 02/09/1999 | US5868322 Apparatus for forming liquid droplets having a mechanically fixed inner microtube |
| 02/04/1999 | WO1999005512A1 Simultaneous analyte determination and reference balancing in reference t-sensor devices |