Patents
Sitemap › G01 - Measuring; Testing › G01N - Investigating or analysing materials by determining their chemical or physical properties › G01N 21 - Investigating or analysing materials by the use of optical means, i.e. using infra-red, visible, or ultra-violet light
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)
11/1997
11/12/1997EP0746755A4 A solid state sensor for carbon monoxide
11/12/1997EP0680604B1 Control of dewatering processes
11/12/1997EP0638166B1 Carbon particulate monitor
11/12/1997EP0574508B1 Method and apparatus for screening microscopic cells utilizing polarized light scatter techniques
11/12/1997CN1164893A Indicator material
11/12/1997CN1164646A Non-destructive taste characteristic determination device and pallet suitable for the same
11/12/1997CN1164645A Method for determining free acid
11/12/1997CN1036418C 火焰原子吸收光谱法 Flame atomic absorption spectrometry
11/11/1997US5686994 Appearance inspection apparatus and appearance inspection method of electronic components
11/11/1997US5686987 Methods for assessing visual tasks to establish desirable lighting and viewing conditions for performance of tasks; apparatus; and, applications
11/11/1997US5686959 Image quality inspection system and image synthesis method
11/11/1997US5686731 Multi-parameter scanning system with moveable field mask
11/11/1997US5686724 Method for determining oil content of an underground formation using wet cuttings
11/11/1997US5686659 Fluid dose flow and coagulation sensor for medical instrument
11/11/1997US5686456 Methods of treating pneumocystis carinii pneumonia
11/11/1997US5686300 Fluorescence detector
11/11/1997US5686258 Chemiluminescent detection of hydrolytic enzymes using an acridan
11/11/1997US5686244 Method for detecting a nucleic acid analyte using an improved electrochemiluminescent label
11/11/1997US5686210 Photographic transparency films
11/11/1997US5686047 Evaluation instrument for test strips with a transport unit for test strips
11/11/1997US5686046 Luminometer
11/11/1997US5685313 Tissue monitor
11/11/1997CA2204802A1 Method for the diagnosis of a surface and the subsequent selective removal of layers
11/11/1997CA2042352C Broadband optical detection of transient motion from a scattering surface by two-wave mixing in a photo-refractive crystal
11/09/1997CA2202112A1 Transflectance probe having adjustable window gap adapted to measure viscous substances for spectrometric analysis
11/06/1997WO1997041470A1 Fiber optic coupled transmission cell for in-process spectrographic analysis
11/06/1997WO1997041421A1 Method and device for measuring reflected optical radiation
11/06/1997WO1997041420A1 Spectral information transmission through communication optical fibers
11/06/1997WO1997041419A1 Analysis of complex mixtures
11/06/1997WO1997041418A1 Optical method for determining the mechanical properties of a material
11/06/1997WO1997041417A1 Method and apparatus for artificial weathering
11/06/1997WO1997041412A1 Analysis of complex mixtures
11/06/1997WO1997025605A3 Process and device for recognizing organic substances
11/06/1997DE19718464A1 Continuous gas analyser, especially for sulphur di:oxide
11/06/1997DE19718401A1 Removing metal impurities from silicon metalloid surface
11/06/1997DE19713086A1 Detection of nucleic acids by phosphate(s) of fluorescein derivatives
11/06/1997DE19617338A1 Device for identification of microorganisms, fungi and minute life forms
11/06/1997DE19617310A1 Inspection appts for effecting quality control of articles issuing e.g. patterned ceramic tiles from industrial process
11/06/1997CA2252715A1 Analysis of complex mixtures
11/06/1997CA2250400A1 Method and device for measuring reflected optical radiation
11/05/1997EP0805352A1 Method and apparatus for urinalysis, method of measuring optical rotation and polarimeter
11/05/1997EP0805347A2 Surface plasmon sensor
11/05/1997EP0805190A2 Energy transfer dyes with enhanced fluorescence
11/05/1997EP0804746A1 Fluorescence detection apparatus
11/05/1997EP0804723A1 A flow fluorometric method and device
11/05/1997EP0804722A1 Surface inspection system
11/05/1997EP0804713A1 Optical wafer positioning system
11/05/1997EP0804365A1 Process and device for rotating rotationally symmetrical containers such as bottles during transport under dynamic pressure
11/05/1997EP0749571B1 Spectrophotometric techniques
11/05/1997CN1164026A Monitor for dye exhausting rate
11/04/1997US5684598 Process for monitoring a moving yarn sheet and apparatus for the execution of this process
11/04/1997US5684584 Apparatus for analyzing cells in urine
11/04/1997US5684583 Apparatus for detecting foreign matter in a fluid
11/04/1997US5684580 Hydrocarbon analysis and control by raman spectroscopy
11/04/1997US5684575 Optical arrangement for flow cytometer to facilitate large angle light-scattering measurement
11/04/1997US5684574 In-process film thickness monitoring system
11/04/1997US5684530 Continuous diffuse illumination method and apparatus
11/04/1997US5683659 Resin tubes, tethers, webs, hinge straps and caps
11/04/1997US5683656 Decreased interference redox detection device
11/04/1997CA2053176C Method of and apparatus for inspecting bottle or the like
10/1997
10/30/1997WO1997040368A1 Image recording system for evaluating analytical test elements
10/30/1997WO1997040367A1 Method and system for inspecting a low gloss surface of an object at a vision station
10/30/1997WO1997040366A1 Process and device for detecting physical, chemical, biological or biochemical reactions and interactions
10/30/1997WO1997040365A1 Method and apparatus for measuring vaporous hydrogen peroxide
10/30/1997WO1997040364A1 Distribution device
10/30/1997WO1997040363A1 Capillary tube holder
10/30/1997WO1997040361A1 Real-time on-line analysis of organic and non-organic compounds for food, fertilizers and pharmaceutical products
10/30/1997WO1997040360A1 Apparatus and method for determining a parameter of a particle in a fluid
10/30/1997WO1997040341A1 Apparatus and method for characterizing fiber crimps
10/30/1997WO1997040191A1 Method for simultaneous detection of multiple fluorophores for in situ hybridization
10/30/1997WO1997040181A1 Analyte assay using particulate labels
10/30/1997WO1997040014A1 Fluoroionophores and their use in optical ion sensors
10/30/1997WO1997033147A3 Analytic process using porous silicon to detect a substance or determine the concentration of a substance in solutions as well as an analytic device for such a process
10/30/1997DE19716884A1 New substituted 4'-methyl-fluorescein derivatives
10/30/1997DE19712823A1 Infrared gas analyser
10/30/1997DE19706076A1 Observation apparatus with charge couple device two=dimensional sensor that uses time delay integration system
10/30/1997DE19653887C1 Extremely high energy gas jet simulating effects of high Mach number on test samples
10/30/1997DE19616571A1 Measuring cuvette, e.g. for spectral photometers or colour meters
10/30/1997DE19616151A1 Videosystem zur Auswertung analytischer Testelemente Video system for evaluating analytical test elements
10/30/1997CA2253710A1 Analyte assay using particulate labels
10/29/1997EP0803903A2 Automatic visual inspection and failure categorization system
10/29/1997EP0803730A2 DNA analyzer
10/29/1997EP0803726A2 Method and apparatus for discriminating coal species
10/29/1997EP0803725A1 Method and apparatus for determination of interstitial oxygen concentration in silicon single crystal
10/29/1997EP0803724A2 Device using several optical measuring methods
10/29/1997EP0803062A1 Process and device for determining the layer thickness, the conductivity and/or the layer contact quality of layers deposited on substrates
10/29/1997EP0803005A1 Inspecting and grading apparatus for hosiery and method of inspecting same
10/29/1997EP0781403A4 Dynamic light scattering microvolume cell assembly for continuous flow dialysis
10/29/1997EP0696231B1 Improved device for automated chemiluminescent immunoassays
10/29/1997EP0597059B1 Device and process for measuring solid concentrations in liquids
10/29/1997EP0424465B1 Preparation and use of fluorescent benzothiazole derivatives
10/29/1997CN1036293C Device for non-destructive inspection of neodymium distributed gradient in yttrium aluminium garnet laser crystal
10/28/1997US5682440 Method of extracting pixels constituting intensity changes in an image and method of identifying collection of intensity changes
10/28/1997US5682245 Microscopic photometry apparatus
10/28/1997US5682232 Microplate light-obstruction device and light-emission measuring apparatus
10/28/1997US5682231 Device and method for determining contamination of a light permeable material utilizing the values of detected light below the saturation intensity of a sensor
10/28/1997US5681751 Immobilized in a porous matrix; electrophoresis
10/28/1997US5681749 Using infrared spectrophotometry
10/28/1997US5681532 Oxygen permeable membrane of a cured perfluorinated urethane polymer and incorporated therein an oxygen indictor and a reference dye
10/23/1997WO1997039370A1 Molecular detection apparatus and method using optical waveguide detection
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