Patents
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)
05/2003
05/21/2003CN1108852C Process for preparation of porous material and porous material
05/20/2003US6566652 Mass spectrometry apparatus having ion source not at negative pressure when finishing measurement
05/20/2003US6566491 Cyclopeptide derivatives
05/20/2003US6566145 Disposable pipette extraction
05/20/2003US6566142 Monitoring and evaluating gas or additive abilty to generate deposits while engine is running; place tube in tube oven, heat, inject gasoline or additive, evaluate for accumulation of deposits
05/20/2003US6565752 Method for separating a fluid substance and device therefor
05/20/2003US6565745 Disposable chromatographic columns
05/20/2003US6565634 Injection liner
05/15/2003WO2003040700A1 Hydrophobic surface chip
05/15/2003WO2003040658A2 Mass flow control in a process gas analyzer
05/15/2003WO2003040411A1 Methods, systems, and kits for analysis of polynucleotides
05/15/2003WO2003040389A2 Method for identifying endogenic and exogenic substances in an organism
05/15/2003WO2003040266A1 Process for separating normal paraffins from hydrocarbons and applications for the separated hydrocarbons
05/15/2003WO2003040166A2 Membrane adsorber device
05/15/2003WO2003039703A2 Method in the form of a dry rapid test for detecting nucleic acids
05/15/2003WO2003039702A2 Methods and compositions for chromatography
05/15/2003WO2003039701A2 Selective separation and concentration of toxic nerve agents
05/15/2003WO2002083926A3 Methods of diagnosing and treating small intestinal bacterial overgrowth (sibo) and sibo-related conditions
05/15/2003WO2002061130A3 Methods and reagents for analysis of rna structure and function
05/15/2003WO2001096025A3 Systems and methods for cell subpopulation analysis
05/15/2003US20030092195 Integrated monolithic microfabricated electrospray and liquid chromatography system and method
05/15/2003US20030092193 Method and an apparatus for analyzing trace impurities in gases
05/15/2003US20030092076 Determination of concentration of several proteins in sample; obtain protein samples, label each with probe, mix protein sample, determine the ratio of isotope signals, differences in ratio indicate different concentration of proteins
05/15/2003US20030092056 Multi-column affinity detection system
05/15/2003US20030092012 Methods for detecting a plurality of analytes by chromatography
05/15/2003US20030091977 Assessment method
05/15/2003US20030091976 Methods for monitoring polypeptide production and purification using surface enhanced laser desorption/ionization mass spectrometry
05/15/2003US20030089664 Membrane adsorber device
05/15/2003US20030089663 Libraries of polymer (biopolymers and non-biopolymers) analysed as to identity, molecular weight, physical properties, etc. where, for example, the first and second dimensions are high- performance; efficiency; simplification
05/15/2003US20030089662 Methods and apparatus for packing chromatography columns and chromatography column
05/15/2003US20030089649 Sample supply apparatus for simulated moving bed chromatographic device
05/15/2003DE20303749U1 Sample-metering and delivery system, for chemical analysis, includes six-port valve comprising four two-way solenoid valves on connection block
05/15/2003DE20206023U1 Chemiluminescence (CL) detector, for a high pressure liquid chromatography system, comprises timer-controlled valves to direct part of the column eluate and additional reagents to the chemiluminescence detection chamber
05/15/2003CA2466664A1 Methods and compositions for chromatography
05/15/2003CA2466052A1 Hydrophobic surface chip
05/15/2003CA2465851A1 Mass flow control in a process gas analyzer
05/15/2003CA2465798A1 Method in the form of a dry rapid test for detecting nucleic acids
05/14/2003EP1310791A2 Rapid characterization of polymers with a high-aspect ratio column
05/14/2003EP1310790A2 Multi-column affinity detection system
05/14/2003EP1310789A2 Rapid characterization of polymers with temperature control in a mixing zone
05/14/2003EP1310294A1 Container having a nozzle body
05/14/2003EP1309854A2 Process flash chromatography column
05/14/2003EP1309850A1 Sensor device
05/14/2003EP1309382A1 Chromatography column
05/14/2003EP1309381A1 Surface modification of a porous polymer monolith and products therefrom
05/14/2003EP1251926A4 Shallow bed fluid treatment apparatus
05/14/2003EP1202785B1 Column chromatography separation method
05/14/2003EP1133718B1 Method and device for regulating individual sub-flows of a system for conveying fluid media
05/14/2003EP1085931B1 Methods and apparatus for packing chromatography columns
05/14/2003CN2550761Y Device for mixing organic solvent steam dynamic gas matching and contamination
05/14/2003CN1417580A Prepn of polyaniline coating for new-type solid microextracting head
05/14/2003CN1417579A Resistance regulator
05/14/2003CN1108524C High-sensitivity detecting method for triamterenes compound
05/14/2003CN1108523C Trace ammonia analysis system in acid gas
05/14/2003CN1108185C Fluid distributor-mixer-extractor and related process
05/14/2003CN1108094C Method for monitoring growth and detecting of environmental stress in plants
05/13/2003US6563111 Integrated monolithic microfabricated electrospray and liquid chromatography system and method
05/13/2003US6562744 Process for producing inorganic porous material in a capillary
05/13/2003US6562628 Electrolytic suppressor and separate eluent generator combination
05/13/2003US6562627 High throughput method for measurement of physicochemical values
05/13/2003US6562626 Analysis of textiles, wood pulp and cellulosic materials; obtain sample extract, incuabte with hot acid, analyze extract and evaluate carbohydrate pattern
05/13/2003US6562307 Process and apparatus for the parallel analysis of colloidal particles using field-flow fractionation
05/13/2003US6562232 Fractionating apparatus
05/13/2003US6561767 Converting a pump for use in supercritical fluid chromatography
05/08/2003WO2003038425A1 Liquid chromatographic mass spectrograph
05/08/2003WO2003037358A1 A pharmaceutical composition having cholagogic and litholytic effect and its preparation method
05/08/2003WO2003006946A3 Method and instrument for automated analysis of fluid-based processing systems
05/08/2003WO2003000633A3 A process for the isolation of a major harmful oxidant from cigarette smoke
05/08/2003WO2002090974A3 Method for detecting progredient chronic dementia, and associated peptides and detection reagents
05/08/2003WO2002028532A9 Microfluidic substrate assembly and method for making same
05/08/2003WO2001073338A9 Ferrule seal
05/08/2003US20030087454 Transferring sample to position of analysis; obtain tube containing sample, join to pipette, educt, transfer portion of sample to second tube, wash first tube with solvent
05/08/2003US20030087450 Transferrin assay
05/08/2003US20030087322 Isotopic labeling; spectroscopy determination
05/08/2003US20030086869 Obtaining sample of blood from mammal; administering digestible first fatty acid- containing substrate; obtaining sample; assaying; determining from the rate of fatty acid absorption of fatty acid-substrate; comparing
05/08/2003US20030086826 Method and an apparatus for analyzing trace impurities in gases
05/08/2003US20030086822 Apparatus and method of research for creating and testing novel catalysts, reactions and polymers
05/08/2003US20030086701 Trap assembly for use with a purge and trap
05/08/2003US20030086092 Method of controlling an evaporative light scattering detector
05/08/2003US20030086088 Data processing apparatus for chromatograph
05/08/2003US20030085714 Mass flow control in a process gas analyzer
05/07/2003EP1308723A2 Rapid characterization of polymers by use of variable flow and light scattering
05/07/2003EP1308722A2 Rapid characterization of polymers with heated injection probe
05/07/2003EP1308194A2 Sample supply apparatus for simulated moving bed chromatographic device
05/07/2003EP1307735A2 Method and equipment for monitoring syntrophic relations in a biological process fluid
05/07/2003EP1292444A4 Pelletized chromatography media
05/07/2003EP1250181A4 Chromatographic and electrophoretic separation of chemicals using electrically conductive polymers
05/07/2003EP1218396A4 Antibodies specific for fullerenes
05/07/2003EP1123507B1 Apparatus and a method for investigating the properties of a solid material by inverse chromatography
05/07/2003EP0957676B1 Method for monitoring growth and detection of environmental stress in plants
05/07/2003EP0839318B1 Microfabricated differential extraction device and method
05/07/2003EP0619751B1 Automated supercritical fluid extraction
05/07/2003CN2549469Y Auto-control high capacity countercurrent chromatographic seperator
05/07/2003CN1415966A On-line gas survey system for drilling mud
05/07/2003CN1415960A Method for detecting content of hydrogen peroxide in solution
05/06/2003WO2003046517A1 Device and method for micro sorbent extraction and desorption
05/06/2003US6559940 Measuring cell
05/06/2003US6559236 Redispersible powder comprising a copolymer obtained by drying a stable aqueous dispersion, said aqueous dispersion comprising a copolymer having one or more reactive functional groups, said copolymer being polymerized from at least one
05/06/2003US6558946 Apparatus for use in the rapis and accuracte detection and analysis of preferential particles in sample
05/06/2003US6558551 Electrochemically modifying the retention of a species on a chromatography material; detecting sample ions