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)
11/1999
11/04/1999DE19817774A1 Verfahren zur Trennung von Fullerenen mittels Chromatographie A process for the separation of fullerenes by chromatography
11/03/1999EP0952965A2 Method for producing porous inorganic materials
11/03/1999CN2347170Y General two-dimensional chromatography interface device
11/03/1999CN2347169Y Fully automatic degassing constant temp. oscillating device for transformer oil chromatographic analysis
11/02/1999US5977151 Isoxazole and crotonamide derivatives and their use as pharmaceuticals and diagnostics
11/02/1999US5976426 Latex of calibrated monodisperse magnetizable microspheres, process of preparation and use of the said latex in chemistry or in biology
11/02/1999US5976367 Polymer formed by copolymerizing one or more hydrophobic monomers and one or more hydrophilic monomers, whereby the solute is adsorbed onto the polymer.
11/02/1999CA2192548C Method for making spherical adsorbent particles
10/1999
10/28/1999WO1999054729A2 Immobilized substrate, separation gels and method for detecting enzymatic activity
10/28/1999WO1999054498A1 Method for detecting allelic imbalance
10/28/1999WO1999054441A1 Efficient purification of adenovirus
10/28/1999DE19818077A1 Fixing substrate molecules in gel matrixes
10/28/1999DE19817017A1 Gas chromatography heater cartridge
10/28/1999DE19817016A1 Temperature-controlled gas chromatography sampler
10/28/1999CA2326621A1 Immobilized substrate, separation gels and method for detecting enzymatic activity
10/27/1999EP0952110A1 Process for the separation of fullerenes using chromatography
10/27/1999CN1232967A Portable gasoline grade test instrument
10/26/1999USRE36350 Fully integrated miniaturized planar liquid sample handling and analysis device
10/26/1999US5973124 Native egg-white, recombinant, deglycosylated, bacterial or truncated avidin/strepavidin or derivatives with modified tyrosine at binding site, resulting in reduced pka; for reversible binding of biotin; reuse of chromatography matrix
10/26/1999US5972710 Microfabricated diffusion-based chemical sensor
10/26/1999US5972507 Method of manufacturing cellulose beads
10/26/1999US5972222 Separation of polynucleotide solution containing a counterion agent on wide pore, non-polar separation media which does not confine or release multivalent metal cations
10/26/1999US5972218 For conversion of substances for analytical and preparative purposes in flow-through and cross-flow reactor having porous discs and/or compact porous tubes are modified with substances being capable of specifically binding
10/26/1999US5971158 Laminar flow
10/26/1999US5970804 Methods and apparatus for analysis of complex mixtures
10/26/1999US5970803 Method and apparatus for identifying and analyzing vapor elements
10/21/1999WO1999053310A1 Antigen
10/21/1999WO1999053308A1 System for analyzing trace amounts of impurities in gases
10/21/1999WO1999053307A1 Gas analyzing device and method
10/21/1999WO1999043433A3 Devices and methods for test sample preparation
10/21/1999WO1999036571A3 Method for the detection or nucleic acid of nucleic acid sequences
10/20/1999EP0950186A1 Chromatographic column and valve
10/19/1999US5970425 Liquid chromatograph system and liquid chromatograph analysis method
10/19/1999US5969617 Flame ionization detector
10/19/1999US5969228 Method and devices for chromatographic pattern analysis employing chromatographic variability characterization
10/19/1999US5968781 HBV polymerase processes for preparation and uses for screening antiviral agents thereof
10/19/1999US5968652 Absorption media in chromatography, polycarbosilane on metal oxide
10/19/1999US5968368 Liquid chromatography for separation of naphthalene, anthracene, biphenyl mixture using novel solvent comprising fluoromethanes, fluoroethanes, and/or fluoropropanes
10/19/1999US5968367 High performance liquid chromatography method and apparatus
10/19/1999US5968363 Selective separation of cations in mixture using synthetic resin support particles having bound crown ether groups and anionic groups whereby cation which forms complex with crown ether is eluted secondly
10/19/1999US5968361 Rapid method for separation of small molecules using reverse phase high performance liquid chromatography
10/19/1999CA2189553C Chemically modified solid phase extraction particles and articles containing same
10/14/1999WO1999051980A2 Rapid characterization of polymers
10/14/1999WO1999051734A1 Glass microfiber column and method for the preparation and purification of plasmid dna using the same
10/14/1999WO1999051316A1 Small dense microporous solid support materials, their preparation, and use for purification of large macromolecules and bioparticles
10/14/1999WO1999042192A8 Packed capillaries, especially for enantiomeric separation
10/14/1999DE19817529A1 Enriching carbon isotopes using a gas chromatography impulse method
10/14/1999DE19816336A1 Analysis of organic materials using mass spectrometry
10/14/1999DE19810109A1 Gas chromatography apparatus with a temperature controlled sample injection port
10/14/1999CA2327327A1 Small dense microporous solid support materials, their preparation, and use for purification of large macromolecules and bioparticles
10/13/1999EP0644796B1 Atmospheric pressure ion interface for a mass analyzer
10/13/1999CN1231695A HBV polyase, RNase H originated from HBV polyase, its preparation process and application in sieving antivirotic agent
10/12/1999US5965803 Odor collection apparatus
10/12/1999US5965750 High- purity tocopherol phosphates, process for the preparation thereof, methods for analysis thereof, and cosmetics
10/12/1999US5965265 Functionalized silicas as core supports for chiral stationary phases
10/12/1999US5965070 Fractionated agaroid compositions, their preparation, and use
10/12/1999US5964996 Electrophoresis of fluid containing the enantiomers with a macrocyclic antibiotic, which causes sequential separation of enantiomers by complexation, inclusion, hydrogen bonding, dipole stacking or steric interaction
10/12/1999US5964239 Housing assembly for micromachined fluid handling structure
10/07/1999WO1999050669A1 Methods for screening compound libraries
10/07/1999WO1999050668A1 Apparatus for screening compound libraries
10/07/1999WO1999050667A1 Electrospray device for mass spectrometer
10/07/1999WO1999050656A1 Collection device for single step assay of oral fluids
10/07/1999WO1999050655A1 Methods of separation and detection
10/07/1999WO1999050654A1 Capillary columns
10/07/1999WO1999044053A3 Chromatographic device
10/07/1999DE19812821A1 Zwillingssäulen für frontchromatographische Dekontamination Twin columns for decontamination frontchromatographische
10/07/1999CA2326392A1 Collection device for single step assay of oral fluids
10/07/1999CA2316817A1 Electrospray device for mass spectrometer
10/06/1999EP0946236A1 Hplc-based device and method for separating high complex substance mixtures
10/06/1999EP0890094A4 Microfabricated diffusion-based chemical sensor
10/06/1999EP0876606A4 Particle enhanced spectroscopic detection
10/06/1999EP0868664A4 Multi-cycle loop injection for trace analysis by ion chromatography apparatus and method
10/06/1999EP0838025A4 Self-contained device integrating nucleic acid extraction, amplification and detection
10/05/1999US5962641 Method for purification of recombinant proteins
10/05/1999US5961832 Method and apparatus for diffusive transfer between immiscible fluids
09/1999
09/30/1999WO1999048948A1 Oxirane derivatives and process for producing the same
09/30/1999WO1999048587A1 Twin columns for frontal chromatographic decontamination
09/30/1999DE19813849A1 Simultaneous purification of oligopeptide hydrochlorides and conversion to acetate form
09/30/1999DE19811150A1 Dünnschichtchromatographiegerät Thin-layer chromatography
09/30/1999DE19808213A1 Gas chromatographic apparatus analyzing and determining physical properties, especially of natural gas
09/30/1999CA2227520A1 An active filter of composite sinterized material and process for separation of hydrophobic organic material from soil and aqueous fluids using controlled interface tensions and pore sizes
09/29/1999EP0945893A2 Method of mass-analyzing body fluid and apparatus therefor
09/29/1999EP0944794A1 Fluid connections
09/29/1999EP0944717A1 Method for producing recombinant adenovirus
09/29/1999EP0944420A1 Liquid chromatography column
09/29/1999EP0888536A4 Analysis of carbohydrates in biological fluids by high performance liquid chromatography
09/29/1999EP0754085B1 Apparatus for pressurizing a removable chromatography cartridge
09/29/1999CN2341149Y Gas analyser for well logging
09/29/1999CN1229919A Horizontal tube type miniature atom/ion synchronous detection method and device thereof
09/28/1999US5958785 Efficient, non-invasive colorimetric analysis for ethyl beta-glucuronide by reacting body fluid with reagent of diphenylamine, aniline, and phosphoric acid; comparing with nonalcoholic, nondiabetic control; for pregnant women
09/28/1999US5958246 Standardization of chromatographic systems
09/28/1999US5958227 Liquid chromatograph apparatus with a switching valve
09/23/1999WO1999047914A1 Thin-layer chromatography apparatus
09/23/1999WO1999047913A1 Annular chromatograph
09/23/1999WO1999047255A1 Unitary chemical processing device
09/23/1999WO1999047148A1 Composition from ginkgo biloba leaves, preparation and uses
09/23/1999CA2329402A1 Annular chromatograph
09/22/1999EP0943084A1 Method for monitoring the oxidation of organic compounds in an aqueous medium and implementing device
09/21/1999US5955432 Stimulants for hematopoiesis, protection of cells from radiation
09/21/1999US5955351 Self-contained device integrating nucleic acid extraction amplification and detection
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