Patents
Patents for G01N 21 - Investigating or analysing materials by the use of optical means, i.e. using infra-red, visible, or ultra-violet light (181,396)
02/1990
02/20/1990EP0345297A4 Aperture image beam splitter.
02/20/1990CA1265925A1 Continuous measurement of the surface roughness of a cold-rolled product
02/15/1990DE3827516A1 Process for manufacturing a carbon furnace for atomic absorption spectroscopic analysis
02/14/1990EP0354895A2 One-way measuring element
02/14/1990EP0354834A2 Surface defect inspection apparatus
02/14/1990EP0354745A2 Apparatus and method for determining plant fluorescence
02/14/1990EP0354618A2 Apparatus for chemical analysis
02/14/1990EP0354298A2 Interferometric measurement arrangement for gas components with small molecules
02/14/1990EP0354208A1 Device and method for visual identification of sample positions in plates with multiple wells, and use of the device.
02/14/1990CN1039656A Process and reagent for determination of ionic strength or specific weight of aqueous liquids
02/14/1990CN1039655A Method (atomic absorption) for testing ca, ba and zn contents in additive and luboil containing additive
02/14/1990CN1039653A Optical fiber branched type silk diameter measurer
02/13/1990US4901238 For measuring the oxygenation in an object
02/13/1990US4900942 Fabric pile lay detector using mirror system with means to rotate 360 degrees
02/13/1990US4900934 Apparatus for simultaneous visualization and measurement of fluorescence from fluorescent dye-treated cell preparations and solutions
02/13/1990US4900933 Excitation and detection apparatus for remote sensor connected by optical fiber
02/13/1990US4900923 Reflectance measuring apparatus including a cylinder-shaped light conducting device between the measuring aperture and the specimen
02/13/1990US4900916 System employing preconditioned radiation for detecting defects in transparent objects
02/13/1990US4900686 Fluorescent conjugates and biological diagnostic assay
02/13/1990US4900681 Hydrazine detection
02/13/1990US4900680 Method and apparatus for measuring lipid peroxide
02/13/1990US4900663 Colorimetric test filter has substrate to which antibodies bind
02/13/1990US4900512 Apparatus for photometrically analysing liquid samples
02/13/1990US4900381 Method for manufacturing a measuring probe
02/13/1990US4900153 Optical surface inspection apparatus
02/13/1990US4900152 Apparatus for measuring foreign substance content in a flowing liquid
02/13/1990US4900150 Multiple input source technique for deriving cavity linewidth
02/13/1990US4900149 Method for the simultaneous analysis of several elements
02/13/1990US4900148 Apparatus and process for measuring an optical characteristic of a predetermined portion of a flat object
02/13/1990US4900147 Diamond mapping
02/08/1990WO1990001166A1 Method of assay
02/08/1990WO1990001160A1 Calibration device for use in calibrating a sensor
02/08/1990WO1990001157A1 Immunoassay apparatus
02/08/1990WO1990001156A1 A device for the visual observation of chlorophyll fluorescence in the environment
02/08/1990WO1990001150A1 Spectrophotometer
02/08/1990WO1990001142A1 Method and apparatus for measuring the surface condition
02/08/1990DE3826687A1 Method for the measurement of optically active materials
02/07/1990EP0354204A2 Optical sensor and process for its production
02/07/1990EP0353971A2 Acridinium esters and method for detection of an analyte using acridinium esters and liposomes
02/07/1990EP0353937A1 Method of assay
02/07/1990EP0353619A1 Process and means for determination of local dye-concentrations and scattering parameters in animal and human tissue
02/07/1990EP0353591A2 Biological sample analyzer
02/07/1990EP0353589A2 Apparatus and method for providing assay calibration data
02/07/1990EP0353570A2 Support matrix impregnated with releasable reagents
02/07/1990EP0353504A2 Automatic structure analyzing/processing apparatus
02/07/1990EP0353501A2 Test strip for the analytical determination of a substance in a liquid sample
02/07/1990EP0353500A2 Test strip for the analytical determination of a component in a fluid sample
02/07/1990CN1039485A Method for determining oil content of underground formation
02/06/1990US4899219 Macroview and microview video record of core
02/06/1990US4899053 Solid state non-dispersive IR analyzer using electrical current-modulated microsources
02/06/1990US4899047 Method and apparatus for selectively detecting one of two immiscible liquids in the presence of the other liquid
02/06/1990US4898832 Process for carrying out analytical determinations and means for carrying out this process
02/06/1990US4898471 Particle detection on patterned wafers and the like
02/06/1990US4898466 Method and apparatus for emission spectroscopic analysis
02/06/1990US4898465 Gas analyzer apparatus
02/06/1990US4898462 Device for detecting a transmissivity of a substance
02/06/1990US4898037 Method and apparatus for determining the propensity of a paper or board to dust
02/06/1990US4898020 Method and apparatus for detecting and eliminating entrapped gas bubbles in a thick film coating
02/06/1990CA1265424A1 Fluorogenic dihydroquinolone and dihydrocoumarin indicators for hydrogen peroxide
02/06/1990CA1265356A1 High resolution geologic sample scanning apparatus and process of scanning geologic samples
02/05/1990EP0345293A4 Microscope.
02/05/1990EP0278976A4 Method and apparatus for distinguishing photoluminescent and reflecting surfaces in forensic science applications.
02/05/1990EP0248840A4 An apparatus and method for analyses of biological specimens.
02/01/1990DE3924451A1 Multilayered element for clinical analysis of specific ion concn. - contg., in hydrophobic carrier particles, ionophor, indicator and anionic surfactant
02/01/1990DE3909434A1 Einrichtung zur visuellen betrachtung der chlorophyllfluoreszenz in der umwelt Means for visual contemplation of chlorophyll fluorescence in the environment
02/01/1990DE3825907A1 Micromechanically fabricated cooling device, especially plate coolers
02/01/1990DE3825339A1 Method for detecting colour, density and shape values on two- or three-dimensional objects
01/1990
01/31/1990EP0352923A1 Spectrophotometric apparatus and method for monitoring oxygen saturation
01/31/1990EP0352797A2 A method for detecting defects on specular surfaces and device operating according to this method
01/31/1990EP0352789A2 Photoacoustic signal detecting device
01/31/1990EP0352713A1 Method and compositions providing enhanced chemiluminescence from 1,2-dioxetanes
01/31/1990EP0352691A1 Device for biological analyses by serum chemical reaction
01/31/1990EP0352690A1 Mini laboratory for biological analyses by chemical reaction starting from a blood sample
01/31/1990EP0352689A1 Device for biological analyses by enzymimmunassay detection of antibodies or antigens in a serum
01/31/1990EP0352655A2 Web drive line control apparatus
01/31/1990EP0352631A2 Optical fiber distribution system for an optical fiber sensor
01/31/1990EP0352610A2 Fiber-optic physiological probes
01/31/1990EP0352297A1 Photometry.
01/31/1990CN1039303A Hydrogen sulfide analyzer using tape-photometry
01/30/1990US4897551 Leak detector
01/30/1990US4897548 Apparatus for the multiple analysis of gases
01/30/1990US4897540 Apparatus for detecting the presence or absence of overlap at tape joints
01/30/1990US4896965 Real-time alkali monitoring system
01/30/1990US4896963 Automatic analyzer
01/30/1990US4896961 Particle analyzing apparatus
01/30/1990US4896941 Image-transmitting fiber
01/30/1990CA1265232A1 Fluorescence imaging system
01/30/1990CA1264971A1 Optical wave guide
01/30/1990CA1264959A1 Static interferometric ellipsometer
01/26/1990EP0245466A4 Analysis method and apparatus for biological specimens.
01/25/1990WO1990000737A1 A method and device for measuring formaldehyde emission from surfaces
01/25/1990WO1990000736A1 Method and apparatus for determining k factor and depth measurements
01/25/1990WO1990000732A1 Method and apparatus for spectroscopic measurement of the concentration of a gaz
01/25/1990WO1990000731A1 Modulated glow-discharge lamp for atomic absorption spectrometry
01/25/1990WO1990000623A1 Multi-label time-resolved fluorescence analysis of nucleic acid sequences using lanthanide chelates
01/25/1990WO1990000619A1 Analysis of cell modifying substances
01/25/1990WO1990000618A1 Preparation and use of fluorescent benzothiazole derivatives
01/25/1990WO1990000550A1 Terpyridine derivatives
01/24/1990EP0352078A2 Detection of anomalies in translucent material by candling
01/24/1990EP0351994A2 Concentration determination with multiple wavelength flash photometers