Patents for G01N 27 - Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means (109,839) |
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09/29/1999 | EP0945724A2 Protection tubes for sensors or glow elements |
09/29/1999 | EP0945723A1 Process for preparing electro-conductive polymer films by doping neutral polymers |
09/29/1999 | EP0945722A2 Semiconductor gas sensor |
09/29/1999 | EP0944884A1 Device and method using dielectrokinesis to locate entities |
09/29/1999 | EP0944827A1 Electromagnetic field perturbation sensor and methods for measuring water content in sheetmaking systems |
09/29/1999 | EP0944826A1 Humidity sensor with differential thermal detection and method of sensing |
09/29/1999 | EP0944825A1 Buffer for analyzing small inorganic cations by capillary electrophoresis |
09/29/1999 | EP0944824A1 Device and method for testing electrosurgical instruments |
09/29/1999 | EP0944820A1 Multi-array, multi-specific electrochemiluminescent testing |
09/29/1999 | EP0944739A1 Method and apparatus for analysis of chromatographic migration patterns |
09/29/1999 | EP0944492A1 Capacitive sensor assembly |
09/29/1999 | EP0944316A2 Blend of appropriate preservative agents for analysis instruments with ion-selective electrodes |
09/29/1999 | EP0861460B1 Device and process for adjusting ion concentrations |
09/29/1999 | EP0722566A4 A method for characterizing polymer molecules or the like |
09/29/1999 | EP0606225B1 Sequencing of protein immobilized on polytetrafluoroethylene support |
09/29/1999 | CN2341146Y Semiautomatic magnetic powder flow detector for rollers |
09/29/1999 | CN2341145Y Household speech alarming controller for harmful gas leakage |
09/29/1999 | CN1230255A Methods and materials for optimization of electronic hybridization reactions |
09/28/1999 | US5959505 Crystal oscillator for measuring crystal impedance of a crystal unit |
09/28/1999 | US5959457 Circuit arrangement for measuring the resistance of a resistance sensor |
09/28/1999 | US5959455 Fluid conductively sensor |
09/28/1999 | US5959191 Sensor arrays for detecting analytes in fluids |
09/28/1999 | US5958787 Gas analysis, oxidation |
09/28/1999 | US5958779 Coulometric analysis |
09/28/1999 | US5958694 Microscale separation channel having first and second ends for separating nucleic acid fragments by size; nested sets of first and second nucleotide termination fragments at different concentrations connected to separation channel |
09/28/1999 | US5958340 Sensor having a thick film of sintered copper, barium, titanium and cerium oxides acts as a conductivity sensor which responds to a change in concentration of carbon dioxide by increasing or decreasing resistance; inexpensive, accurate |
09/28/1999 | US5958215 Detection of purine and pyrimidine nucleotides and underivatized nucleic acids by sinusoidal voltammetry |
09/28/1999 | US5958214 Electrochemical sensor with a solid electrolyte for measuring the gas concentration |
09/28/1999 | US5958203 Microfluidic system comprising substrate having two intersecting channels of different depths and an electroosmotic fluid direction system |
09/28/1999 | US5958202 Capillary electrophoresis enzyme immunoassay |
09/28/1999 | US5958201 Sodium ion-selective-electrode membrane having extended uselife |
09/28/1999 | US5958199 Biosensor |
09/28/1999 | US5957579 Microfluidic systems incorporating varied channel dimensions |
09/28/1999 | US5956940 Method and apparatus for monitoring deterioration of internal combustion engine exhaust gas purifier |
09/28/1999 | US5956841 Assembling method for a heater-equipped air-fuel ratio sensor |
09/23/1999 | WO1999047925A2 Methods and compositions for diagnosis of rheumatoid arthritis |
09/23/1999 | WO1999047915A1 Method for zero point stabilization of an exhaust-gas sensor and an arrangement for carrying out said method |
09/23/1999 | WO1999047912A1 Ion mobility storage trap and method |
09/23/1999 | WO1999047908A1 Micromechanical potentiometric sensors |
09/23/1999 | WO1999047905A2 Handheld sensing apparatus |
09/23/1999 | WO1999047255A1 Unitary chemical processing device |
09/23/1999 | WO1999038874A3 Electrophoretic nucleic acid purification method |
09/23/1999 | WO1999036786A3 Flow analysis cell and layered sensor pertaining thereto |
09/23/1999 | WO1999034203A9 Capillary electrophoretic method to detect target-binding ligands and to determine their relative affinities |
09/23/1999 | DE19912469A1 Detecting element resistance of a gas resistance sensor, used e.g. for detecting oxygen concentration in internal combustion engine exhaust gas |
09/23/1999 | DE19811622A1 Laboratory instrument incorporating split test card housing |
09/23/1999 | DE19811582A1 Electrochemiluminescence assay, especially for biological substances, with long measurement period |
09/23/1999 | DE19810483A1 Offset determination of hydrocarbon or nitrogen oxide sensor in catalyst-fitted engine exhaust system |
09/23/1999 | CA2323238A1 Methods and compositions for diagnosis of rheumatoid arthritis |
09/23/1999 | CA2322518A1 Micromechanical potentiometric sensors |
09/22/1999 | EP0943092A1 Gas sensors |
09/22/1999 | EP0943090A1 Electrochemical cell |
09/22/1999 | EP0912886A4 Fourier detection of species migrating in a microchannel |
09/22/1999 | EP0749578B1 Notched spacer for slab-gel electrophoresis |
09/22/1999 | CN2339988Y Passive soil-water-content quickly detecting instrument |
09/22/1999 | CN2339177Y Electric device for identifying heat period of cow |
09/21/1999 | US5955887 Impedance type ice detector |
09/21/1999 | US5955886 Microliter-sized ionization device and method |
09/21/1999 | US5955741 Methods of measuring currency limpness |
09/21/1999 | US5955729 Surface plasmon resonance-mass spectrometry |
09/21/1999 | US5955665 Process for monitoring the operativeness of a catalytic converter |
09/21/1999 | US5955656 Measuring sensor |
09/21/1999 | US5955603 Porphyrins and porphyrin synthesis techniques |
09/21/1999 | US5955150 Method for testing materials for use in electroless plating |
09/21/1999 | US5955030 Apparatus for automated DNA sequencing |
09/21/1999 | US5954934 Cassette for electrophoretic gels |
09/21/1999 | US5954932 Capillary gel electrophoresis apparatus having photodetector cavity filled with high viscosity buffer within which fluorescence of electrophoresed fluorophore-labeled dna is detected |
09/21/1999 | US5954931 Electrophoresis apparatus and method involving parallel channels |
09/21/1999 | US5954930 Reference electrode for electrolytic cells having an ion-conducting solid electrolyte |
09/21/1999 | US5954923 Electromagnetic field perturbation sensor and methods for measuring water content in sheetmaking systems |
09/21/1999 | US5953907 Method of controlling an engine exhaust gas system and method of detecting deterioration of catalyst/adsorbing means |
09/16/1999 | WO1999046590A1 Capillary electrophoresis device |
09/16/1999 | WO1999046589A1 Improvements to multiple capillary electrophoresis devices with detection in capillary output |
09/16/1999 | WO1999046587A1 Water quality measuring apparatus with a sensing wafer clamped between two o-rings |
09/16/1999 | WO1999046586A1 Reference electrode |
09/16/1999 | WO1999046585A1 Heated electrochemical cell |
09/16/1999 | WO1999046047A2 Detection and characterization of microorganisms |
09/16/1999 | WO1999031496A9 Capillary electrophoretic methods to detect new biologically active compounds in complex biological material |
09/16/1999 | WO1999031481A3 Transport detector with oxide surface coating |
09/16/1999 | WO1999028852A9 Security device having multiple security features and method of making same |
09/16/1999 | WO1999021021A3 Semiconductor material characterizing method and apparatus |
09/16/1999 | WO1998056956A8 Apparatus and methods for correcting for variable velocity in microfluidic systems |
09/16/1999 | DE19811021A1 Verfahren zum Bestimmen des Feuchtigkeitsgehalts von textilen Gütern in einem Wäschetrockner A method for determining the moisture content of textile articles in a tumble dryer |
09/16/1999 | DE19810736A1 High impedance input for connecting voltage source to voltage-processing circuit, e.g. for electrochemical sensor |
09/16/1999 | DE19810588A1 Structure for storing information and for selectively binding molecules |
09/16/1999 | DE19808521A1 Gas sensor e.g. for monitoring internal combustion engine exhaust |
09/16/1999 | CA2322757A1 Heated electrochemical cell |
09/16/1999 | CA2290135A1 Improvements to multiple capillary electrophoresis devices with detection in capillary output |
09/16/1999 | CA2265304A1 A method and instrument for detection and measurement of low levels of gases with applications in chemical defense and environmental monitoring |
09/15/1999 | EP0942282A1 Apparatus for measuring characteristics of a textile product |
09/15/1999 | EP0942281A2 Measuring circuit for determining the concentration of one or more gases in a gaseous mixture |
09/15/1999 | EP0942280A1 Automatic measuring device for the concentration of a developing agent |
09/15/1999 | EP0942279A2 Multilayered air-fuel ratio sensing element |
09/15/1999 | EP0942278A2 Biosensor, iontophoretic sampling system and methods of use thereof |
09/15/1999 | EP0942277A2 Anhydrous zinc antimonate semiconductor gas sensor and method for producing the same |
09/15/1999 | EP0942094A1 Method for determining the moisture content of textile articles in a laundry drier |
09/15/1999 | EP0941477A1 Gels, methods and apparatus for identification and characterization of biomolecules |
09/15/1999 | EP0941476A1 Method for operating a gas sensor |
09/15/1999 | EP0941475A1 Cassette for electrophoresis system |
09/15/1999 | EP0941473A1 Capacitive measuring system |