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)
11/2004
11/10/2004EP1474236A1 Microfluidic separation column devices and fabrication methods
11/10/2004EP1474234A1 Enantioselective cation-exchange materials
11/10/2004EP1159559B1 A coupler for placing two or more fluid streams in communication
11/10/2004EP1137690B1 Peg-based macromonomers, chemically inert polymers prepared therefrom and the use of these polymers for organic synthesis and enzyme reactions
11/10/2004EP0749350B1 Improvements to electrospray and atmospheric pressure chemical ionization sources
11/10/2004CN2655239Y Program temp rising gasifying solid sample feeding device
11/10/2004CN1544938A Method for mercury enriching using amine-oxime chelate fibre
11/10/2004CN1544935A Multiple wavelength Chinese traditional medicine chromatogram fingerprint, fabricating method and application thereof
11/10/2004CN1544920A Method for determining content of Lamiophlomis rotata in Lamiophlomis rotata preparation and measurement standard thereof
11/10/2004CN1175103C Preparation method of angiotensin converting enzyme inhibitor affinity column medium
11/09/2004US6816791 Assay methods for hydratable cementitious compositions
11/09/2004US6816789 Method and system for analyzing chromatograms
11/09/2004US6815891 Method and apparatus for exciting a microdischarge
11/09/2004US6815668 Method and apparatus for chromatography-high field asymmetric waveform ion mobility spectrometry
11/09/2004US6815664 Separation of prefrential particles from sample; obtain sample containing particles, flow through channel, illuminate, monitor gradient, recover preferential particle
11/09/2004US6815216 Isolating preferential compounds from fluids; obtain receptacle, fill with carrier fluid, charge receptacle, stir, recover stirring apparatus, desorb prefrential compound, transport compound to analyzing zone, analyze
11/09/2004US6814870 Microchip electrospray device and column with affinity adsorbents and use of the same
11/09/2004US6814859 Frit material and bonding method for microfluidic separation devices
11/09/2004US6814785 Analyte pre-concentrator for gas chromatography
11/09/2004US6813929 Method and apparatus for monitoring fluid flow
11/09/2004CA2321376C Parallel high-performance liquid chromatography with serial injection
11/09/2004CA2317495C A process for the isolation, recovery and purification of non-polar extractives
11/06/2004CA2466393A1 In vitro method for determining drug permeability using immobilized artificial membrane chromatography
11/04/2004WO2004095034A1 Optical bio-discs including spiral fluidic circuits for performing assays
11/04/2004WO2004095020A1 Chromatographic column seal
11/04/2004WO2004095019A1 High velocity chromatography column flow distributor
11/04/2004WO2004095017A2 Safety device for laboratory work, especially for liquid chromatography systems
11/04/2004WO2004094985A2 Spiral column for dual countercurrent chromatography
11/04/2004WO2004094030A2 Method and apparatus for generating high purity eluant
11/04/2004WO2003021226A3 Peptide biomarker and method of identification
11/04/2004US20040220412 Compositions and kits pertaining to analyte determination
11/04/2004US20040220141 Method for producing purified hematinic iron-saccharidic complex and product produced
11/04/2004US20040219686 Methods and mixtures pertaining to analyte determination
11/04/2004US20040219685 Using mass analysis to monitor concentration of analytes in fluids; electrophilic and chromatographic separation
11/04/2004US20040219618 Identifying micro-organisms
11/04/2004US20040219165 Streptococcus pneumoniae antigens
11/04/2004US20040219071 Interfaced multiport device for accurate detection and measurement of preferential compounds in chemical libraries
11/04/2004US20040217280 Atmospheric pressure charged particle discriminator for mass spectrometry
11/04/2004US20040217279 High throughput systems and methods for parallel sample analysis
11/04/2004US20040217060 Chromatographic and electrophoretic separation of chemicals using electrically conductive polymers
11/04/2004US20040217043 Polycapillary chromatographic column and method of its manufacturing
11/04/2004US20040216510 Fraction collector for composition analysis
11/04/2004DE19805814B4 Chromatograph Chromatograph
11/03/2004EP1472542A2 Method for protein expression analysis
11/03/2004EP1472535A1 Method and device for comprehensive two-dimensional gas chromatography
11/03/2004EP1472514A2 Method of preparing delta-9 tetrahydrocannabinol
11/03/2004EP1472373A2 Methods for making polynucleotides and purifying double-stranded polynucleotides
11/03/2004EP1472368A2 Methods and apparatus for generating and utilizing linear moving optical gradients
11/03/2004EP1171489B1 Amino group containing support matrices, their use and manufacture
11/03/2004CN1174248C Graphitic nanotube for electrochemiluminescent detection , its composition ,detection agent and detection method thereof
11/03/2004CN1174247C Column head and column tail structure for liquid chromatographic column with zero dead volume and fine inner diameter
11/02/2004US6813568 Having computer controlled rotary selector valve capillary connected to peripheral port of rotary switching valve
11/02/2004US6812459 Ion sampling for APPI mass spectrometry
11/02/2004US6812458 Multiple simultaneously operated chromatography columns contected to single mass spectrometer
11/02/2004US6812457 Interfaces with mass spectrometer; efficient sample concen-tration, purification and/or transformation; reproducibility; minimizing analyte loss; parallel treatment; disposable
11/02/2004US6812030 System and method for high throughput sample preparation and analysis using column chromatography
11/02/2004US6811969 Retentate chromatography—profiling with biospecific interaction adsorbents
11/02/2004US6811689 Chromatography; mass spectrometry; drug screening; proteomics
11/02/2004US6811688 Chromatography columns
11/02/2004US6810713 Method for handling and delivering fluid on a lab-on-a-chip
11/02/2004CA2313990C Method for spectroscopic analysis of hydrocarbons, and hydrocarbon refining operations using same
10/2004
10/28/2004WO2004093129A2 Light distribution system
10/28/2004WO2004092733A1 Reduction of migration shift assay interference
10/28/2004WO2004092711A1 System and method for extracting headspace vapor
10/28/2004WO2004092702A2 Microfluidic detection device
10/28/2004US20040216009 Automatic analysis apparatus and method for controlling an analysis unit
10/28/2004US20040214344 Method and apparatus for generating high purity eluant
10/28/2004US20040214341 Analytical method for the detection and quantitation of fuel additives
10/28/2004US20040214233 Protein microarray system
10/28/2004US20040214157 Chromatographic resins and methods for using same
10/28/2004US20040212378 Enhanced subsurface membrane interface probe (MIP)
10/28/2004US20040211889 Use of multiple optical vortices for pumping, mixing and sorting
10/28/2004CA2515850A1 Reduction of migration shift assay interference
10/28/2004CA2515845A1 Light distribution system
10/27/2004EP1471351A1 Analytical method for the detection and quantitation of fuel additives
10/27/2004EP1470462A2 Programmable tracking pressure regulator for control of higher pressures in microfluidic circuits
10/27/2004EP1470416A2 Capillary column chromatography process and system
10/27/2004EP1470251A2 Exponential amplification of nucleic acids using nicking agents
10/27/2004EP1470250A2 Gene expression analysis using nicking agents
10/27/2004EP1470153A2 Two gonadotropin releasing hormones and a method to isolate the same
10/27/2004EP1107773A4 Method for detection of legionella bacteria employing purified antigen-specific antibodies
10/27/2004CN1541268A Sample treatment appts. and sample treatment method
10/27/2004CN1540340A Biologic chromatography gelatin and producing texhnique
10/27/2004CN1540339A High performance liquid chromatogram mensuration for measurng content of cyclorrirobuxin-D
10/27/2004CN1540338A High performance liquid chromatogram mensuration for measuring content of cyclorrirobuxin D in 'Huangyangning' tablet and uniformity of the content
10/27/2004CN1540337A Method for measuring content of active constitutent of 'Siji-Sanhuang' capsule
10/27/2004CN1540336A Analytic method for detecting and batching fuel additives
10/27/2004CN1539454A Preparaton of banlangen and method for controlling quality
10/27/2004CN1173177C Dynamic proconcentration method for small volume gas sample
10/27/2004CN1173176C On-line gas survey system for drilling mud
10/27/2004CN1173175C Filled large-mouth capillary column
10/26/2004US6809316 Electrospray ionization mass analysis apparatus and system thereof
10/26/2004US6809167 Forming improved flowability gas chromatography column supports
10/26/2004US6808933 Methods of enhancing confidence in assays for analytes
10/26/2004US6808929 Device and method for physiochemical measurements
10/26/2004US6808685 For screening solids with use of changes in processing fluid; combinatorial chemistry
10/26/2004US6808635 Autosampler analyzes plurality of samples in detector; valve; computer; data processing; liquid chromatography, mass spectrometry; quality; laminar or turbulent flow
10/25/2004CA2452117A1 Analytical method for the detection and quantitation of fuel additives
10/21/2004WO2004090933A2 Dynamic signal selection in chromatography/mass spectrometry/mass spectrometry system
10/21/2004WO2004090530A1 Methods and apparatus for monitoring processes using a single detector