| 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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| 08/03/1999 | US5933357 Backflushing system for gas chromatography |
| 08/03/1999 | US5932706 Antibodies specific for a haemostatic protein their use for isolating protein, haemostatic compositions devoid of proteolytic cleavage products of the protein |
| 08/03/1999 | US5932482 Headspace vial apparatus and method |
| 08/03/1999 | US5932315 Microfluidic structure assembly with mating microfeatures |
| 08/03/1999 | US5932100 Microfabricated differential extraction device and method |
| 08/03/1999 | US5932095 Multi-chambered supercritical fluid extraction cartridge |
| 07/29/1999 | WO1999038006A1 Process for producing inorganic porous material in a capillary |
| 07/29/1999 | WO1999011373A3 Apparatus and methods for droplet microchemistry |
| 07/28/1999 | EP0931264A1 Diagnostic method for atherosclerosis |
| 07/28/1999 | EP0931258A1 A direct screw-on cartridge holder with self-adjustable connection |
| 07/28/1999 | EP0891223A4 Methods for the preparation of resins with ligands attached thereto through a linking group comprising sulfide, sulfoxide, sulfone or sulfonate functionality |
| 07/27/1999 | US5929321 Selective removal of volatile substances injected into a chromatographic packing filled column |
| 07/27/1999 | US5928956 Examining concrete which are treated wtih organosililcon compound, comprising pyrolyzing a sample material, analyzing pyrolysis product on line by gas chromatography on a porous layer open tubular columns |
| 07/27/1999 | US5928515 Adsorptive separation of 3-hydroxytetrahydrofuran enantiomers |
| 07/22/1999 | WO1999036781A1 Neutralization of polycations in a chromatographic device for whole blood use |
| 07/22/1999 | WO1999036770A1 Dual stage internal diameter in solid phase extraction well |
| 07/22/1999 | WO1999036571A2 Method for the detection or nucleic acid of nucleic acid sequences |
| 07/22/1999 | DE19801575A1 Preparative chromatographic separation, e.g. of enantiomers |
| 07/22/1999 | CA2318371A1 Method for the detection of nucleic acid sequences |
| 07/21/1999 | EP0929658A1 Reversibly sealable microstructure sorting devices |
| 07/21/1999 | EP0502998B1 Explosive detection screening system |
| 07/21/1999 | CN1223596A Liquid chromatography column |
| 07/20/1999 | US5926271 Laser-induced fluorescence detector having a capillary detection cell and method for identifying trace compounds implemented by the same device |
| 07/20/1999 | US5926124 Signal processor for a measurement apparatus |
| 07/20/1999 | US5925834 Fluid transfer apparatus |
| 07/20/1999 | US5925253 Hydrolytically stable resins for use in anion-exchange chromatography |
| 07/19/1999 | CA2224116A1 Zirconium and hafnium separation in chloride solutions using continuous ion exchange chromatography |
| 07/19/1999 | CA2224090A1 Zirconium and hafnium separation in sulfate solutions using continuous ion exchange chromatography |
| 07/15/1999 | WO1999035491A2 Method for detecting growth and stress in plants and for monitoring textile fiber quality |
| 07/15/1999 | WO1999035489A1 Extended length microchannels for high density, high throughput electrophoresis systems |
| 07/15/1999 | WO1999034916A1 The preparation of novel gels for the purification of non-polar extractives |
| 07/15/1999 | WO1999034810A1 A process for the isolation, recovery and purification of non-polar extractives |
| 07/14/1999 | EP0928418A1 Process and device for isoelectric particle separation |
| 07/14/1999 | EP0763199A4 Apparatus/method for electrochemically modifying chromatographic material |
| 07/14/1999 | EP0754083B1 Process for separating material from mixture using displacement chromatography |
| 07/14/1999 | CN1222917A Novel protein and process for producing the same |
| 07/14/1999 | CN1222678A Triptolide content determining method |
| 07/13/1999 | US5922106 Automated gas chromatography |
| 07/13/1999 | CA2121747C Hydrophilic polymer coated perfluorocarbon polymer-based matrices, their preparation and use in bioaffinity |
| 07/13/1999 | CA2093830C Process and device for continuous extraction and analysis of fluid using membrane |
| 07/08/1999 | WO1999034220A2 Real-time monitoring of an analyte by chromatography using an on-line assay |
| 07/08/1999 | WO1999034205A1 Software for the display of chromatographic separation data |
| 07/08/1999 | WO1999033862A1 Free solution ligand interaction molecular separation method |
| 07/08/1999 | WO1999033784A1 Process for recovering betaine |
| 07/08/1999 | WO1999033559A1 Integrated fluid manipulation cartridge |
| 07/08/1999 | WO1999033540A1 Chromatographic separation process and chromatographic separator |
| 07/08/1999 | CA2282831A1 Process for recovering betaine |
| 07/08/1999 | CA2282429A1 Chromatographic separation process and chromatographic separator |
| 07/07/1999 | EP0861114A4 Non-fouling, flow-through capacitor, system and method of separation |
| 07/07/1999 | EP0781130A4 Method for sleep induction |
| 07/06/1999 | US5920072 Ionization detector |
| 07/06/1999 | US5920006 To direct sample and solvent liquids from containment reservoirs to a column |
| 07/06/1999 | US5919708 Separating glycated hemoglobin from nonglycated proteins using precipitating agent, binding chromophore labeled boronic acid/salt to glycated hemoglobin, optionally adding nonspecifically binding signal agent, assessing signals |
| 07/06/1999 | US5919368 High performance liquid chromatography method and apparatus |
| 07/06/1999 | US5919361 Spring-loaded hydraulically active liquid chromatography column |
| 07/01/1999 | WO1999032401A1 Method for the preparation of carbonated hydroxyapatite compositions |
| 07/01/1999 | WO1999032400A1 Process for the preparation of magnesium and carbonate substituted hydroxyapatite |
| 07/01/1999 | DE19837022A1 Local analysis of organic substances adhering to a specimen e.g. a semiconductor wafer |
| 06/30/1999 | EP0926492A1 Round profile multi-capillary assembly useful in chromatography |
| 06/30/1999 | EP0925500A2 Method, device and apparatus to detect changes of state in a capillary and to optimize injection conditions of a sample into gas-chromatography apparatuses. |
| 06/30/1999 | EP0925492A1 Method for analyzing total reactive sulfur |
| 06/30/1999 | EP0871936A4 Method for predicting chemical or physical properties of complex mixtures |
| 06/30/1999 | CA2258054A1 Hand held sample tube manipulator apparatus, system and method |
| 06/29/1999 | US5918273 For retaining a chemical sample for chemical treatment |
| 06/29/1999 | US5917606 Photometric flow apparatus for small sample volumes and method of making same |
| 06/29/1999 | US5916445 Passing a sample for separation of preselected speices through a chromatographic medium formed by forming an insoluble polymeric matrix from a polymerizable monomer which are nonionizable and inert, extracting the species |
| 06/24/1999 | WO1999031481A2 Transport detector with oxide surface coating |
| 06/24/1999 | WO1999031480A1 Improved method and device for solid phase microextraction |
| 06/24/1999 | WO1999031479A1 Autosampler syringe with compression sealing |
| 06/24/1999 | CA2314135A1 Transport detector with oxide surface coating |
| 06/23/1999 | EP0923728A1 Analytical engine for gas chromatograph |
| 06/23/1999 | EP0923727A1 Improved fluid control valve arrangement |
| 06/22/1999 | US5915269 Method and apparatus to compensate for gas chromatograph column permeability |
| 06/22/1999 | US5914025 Ion chromatographic method and apparatus using ion reflux |
| 06/17/1999 | WO1999030147A1 Separation column containing porous matrix and method of packing column |
| 06/17/1999 | WO1999030146A1 Process for obtaining l-dihydroorotic acid and use thereof |
| 06/17/1999 | WO1999030128A1 Method and device for the quasi-continuous analysis of inorganic or organic substances contained in fluids |
| 06/17/1999 | WO1999029389A1 Method for charging the particle bed space of a chromatograph |
| 06/17/1999 | WO1999029388A1 Annular chromatograph |
| 06/17/1999 | DE19753701A1 Verfahren und Vorrichtung zur quasi-kontinuierlichen Bestimmung von anorganischen oder organischen Inhaltsstoffen in Fluiden Method and apparatus for quasi-continuous determination of inorganic or organic constituents in fluids |
| 06/17/1999 | CA2315326A1 Process for obtaining l-dihydroorotic acid and use thereof |
| 06/17/1999 | CA2279944A1 Method for charging the particle bed space of a chromatograph |
| 06/17/1999 | CA2279942A1 Annular chromatograph |
| 06/16/1999 | EP0922956A1 Flame ionisation detector |
| 06/16/1999 | EP0922898A2 Closure system for chromatography columns |
| 06/16/1999 | EP0922715A2 Stimuli-responsive polymer utilizing keto-enol tautomerization |
| 06/16/1999 | EP0922489A2 Contact element for fluidised bed |
| 06/16/1999 | EP0922218A1 Electrochemical detector integrated on microfabricated capillary electrophoresis chips |
| 06/16/1999 | EP0921847A1 Use of non-particulate sorbents for simulated moving bed separating methods |
| 06/15/1999 | US5911954 Adjustable zero-dead volume adapter assembly for connecting an end of a fluid supply tubing to a threaded inlet port of an analytical chemical instrument in sealed fluid flow communication |
| 06/15/1999 | US5911881 Biasing device that guides file into restrictor |
| 06/15/1999 | CA2062629C Apparatus and method for liquid sample introduction |
| 06/10/1999 | WO1999028740A1 Annular chromatograph |
| 06/10/1999 | DE19751467A1 Chromatography component separation of liquid or gas samples |
| 06/10/1999 | CA2301570A1 Annular chromatograph |
| 06/09/1999 | EP0921394A1 Liquid chromatography and column packing material |
| 06/09/1999 | EP0921393A2 Method for detecting substances or classes of substances using REMPI-TOFMS |
| 06/09/1999 | EP0920621A1 Chromatographic assay or test device |
| 06/09/1999 | EP0852005A4 Competitive immunoassay device |
| 06/09/1999 | EP0631597B1 Super porous polysaccharide gels |