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)
08/1988
08/25/1988WO1988006286A1 Optical measurement method and apparatus therefor in automatic analyzer
08/25/1988WO1988006280A1 Improved automatic atomic-absorption spectrometer
08/25/1988WO1988006062A1 Device and method for visual identification of sample positions in plates with multiple wells, and use of the device
08/25/1988WO1988005994A2 Continuous-flow smoke meter capable of particle discrimination
08/25/1988DE3704960A1 Method of optically scanning an object and device for carrying out the method
08/24/1988EP0279743A2 Temperature compensated moisture sensor
08/24/1988EP0279654A2 Method of and means for inspecting workpieces traveling along a production line
08/24/1988EP0279631A2 Strip inspecting apparatus and associated method
08/24/1988EP0279574A1 Analytical test strip
08/24/1988EP0279191A2 Device for contactless measurement of remission
08/24/1988EP0279004A1 Method for manufacturing a measuring probe
08/24/1988EP0279000A1 Flow cytometry
08/24/1988EP0278976A1 Method and apparatus for distinguishing photoluminescent and reflecting surfaces in forensic science applications
08/24/1988EP0227796A4 Cuvette belts and manufacture of same.
08/23/1988US4766551 Method of comparing spectra to identify similar materials
08/23/1988US4766325 Method for testing for faulty plated-through bores circuit boards
08/23/1988US4766324 Particle detection method including comparison between sequential scans
08/23/1988US4766318 Spark discharge trace element detection system
08/23/1988US4766317 Optical reflectance method of examining a SIMOX article
08/23/1988US4766315 Apparatus and process for measuring physical parameters of sheet material
08/23/1988US4766305 Optical surface test apparatus for testing constricted surface areas
08/23/1988US4766304 Sensitivity-calibration circuit for use in an absorption analyzer
08/23/1988US4766083 Laser beam irradiation
08/23/1988US4766080 Precipitation as dispersed particles; determination of maximum rate of change in optical density
08/23/1988US4765961 Metal-free luminol solution flowing through a porous material
08/23/1988US4765744 Method for testing a photomask
08/23/1988US4765743 Method of inspecting a master member
08/23/1988US4765736 Frequency modulation spectroscopy using dual frequency modulation and detection
08/23/1988US4765489 Separation wall movement control device for grain sorting machines
08/23/1988US4765344 Blood transfer assembly
08/23/1988CA1241085A1 Dispensing apparatus
08/23/1988CA1240964A1 Process for checking the authenticity of documents as well as apparatus therefor
08/18/1988DE3741532A1 Measuring process and measuring circuit for defect analysis of uncoated locations on magnetic tapes
08/18/1988DE3703928A1 Spark-emission spectrometer system
08/17/1988EP0278747A2 Determining reaction parameters or constants
08/17/1988EP0278577A1 A process for determining thicknesses of layers, application thereof in determining certain interactions and a means for carrying out this process
08/17/1988EP0278149A2 Indirect colorimetric detection of an analyte in a sample using ratio of light signals
08/17/1988EP0278096A2 Method for continuously controlling emissions and immissions of mercury
08/16/1988US4764969 Apparatus for inspecting the surface of a material
08/16/1988US4764676 Apparatus for spectral analysis of chromatographic fractions
08/16/1988US4764343 Oxygen sensor based on optical detection
08/16/1988US4764342 Reagent handling
08/16/1988US4764018 Apparatus for measuring water content
08/16/1988US4764017 Method for identifying timber surface properties
08/16/1988US4764013 Interferometric apparatus and method for detection and characterization of particles using light scattered therefrom
08/16/1988CA1240758A1 Forward scattering laser particulate sensor
08/15/1988WO1988006287A1 Probe for measuring concentration of dissolved oxygen
08/11/1988WO1988005911A1 Optical carbon monoxide sensors impregnated on porous monolithic substrates
08/11/1988WO1988005909A1 Method and apparatus for detecting a material with a fluorescent light-emitting substance to be detected
08/11/1988DE3801115A1 Method and apparatus for determining the density of a fibre strand in the tobacco processing industry
08/10/1988EP0277838A2 Apparatus for determining the index profile of an optical fibre
08/10/1988EP0277662A2 Detection device for opto-acoustically tracing gases
08/10/1988EP0277629A2 Method and device for detecting impurities in fluids
08/10/1988EP0277496A2 Laser interferometer-refractometer
08/10/1988EP0277329A2 A method of adjusting density measurement position
08/10/1988EP0277170A1 Separation process.
08/10/1988EP0277139A1 7-amino-4-methyl-coumarin-3-carboxyalkyl derivatives and fluorescent conjugates thereof.
08/10/1988EP0229109A4 Cuvette belt manufacturing apparatus and process.
08/10/1988CN87107260A Device for monitoring characteristics of film on substrate
08/10/1988CN87106264A Method of measuring refractive index profile of optical fibers
08/09/1988US4763009 Method and apparatus for remotely measuring the distribution of a physico-chemical parameter in a medium
08/09/1988US4763006 Device determining surface element inclination angle for the optical detection of form errors of a low order
08/09/1988US4762994 Compact optical scanner driven by a resonant galvanometer
08/09/1988US4762799 Method and device for fluorescence determination of alkali metal cations
08/09/1988US4762798 Measurement by changing optical density; glycohemogloben in blood for diabetes treatment
08/09/1988US4762683 Analysis device
08/09/1988US4762426 Remote passive temperature sensor
08/09/1988US4762420 Photometric reading device for serological analysis
08/09/1988US4762418 Angle-of-optical-rotation variation measuring apparatus
08/09/1988US4762414 Static interferometric ellipsometer
08/09/1988US4762413 Method and apparatus for measuring immunological reaction with the aid of fluctuation in intensity of scattered light
08/09/1988US4762412 Chromatoscanner for scanning a specimen surface
08/09/1988CA1240174A1 Method of and device for real time measurement of the state of polarization of a quasi-monochromatic light beam
08/04/1988EP0229153A4 Heat sealing method and apparatus.
08/03/1988EP0276968A2 Diffraction immunoassay and reagents
08/03/1988EP0276953A2 Dewpoint meter
08/03/1988EP0276951A1 Apparatus and method for surface inspection
08/03/1988EP0276938A2 Semiconductor device fabrication including a non-destructive method for examining lithographically defined features
08/03/1988EP0276858A2 Method for quantifying oxygen
08/03/1988EP0276412A2 Split-image optic
08/03/1988EP0276304A1 Method and apparatus for detecting incongruities, such as air bubbles, in fluid material.
08/03/1988CN87108365A Test carrier for analytical determination of components of body fluids
08/02/1988US4761676 Fault detection and reset in surface reflectance meter
08/02/1988US4761552 Standard for near-infrared reflectance measurement and method of making the same
08/02/1988US4761481 Substituted pyridine derivatives
08/02/1988CA1240052A1 Method of and apparatus for determining glossinesses of surface of body
08/02/1988CA1240000A1 Sensor integrator system
07/1988
07/28/1988WO1988005534A1 Separation process for diamonds
07/28/1988WO1988005533A1 Amplification of signals from optical fibers
07/28/1988WO1988005284A1 Apparatus for determining an antisolar protection index
07/27/1988EP0276142A1 Assay technique
07/27/1988EP0276106A2 Method for controlling the amount of moisture associated with a web of moving material
07/27/1988EP0275469A2 Surface inspection
07/27/1988EP0275440A2 Photo detection system for DNA base analysis
07/27/1988EP0275275A1 Chemodetector.
07/27/1988EP0275260A1 Method of detecting a substance using enzymatically-induced decomposition of dioxetanes.
07/27/1988CN87108179A Method for inspecting printed circuit boards for missing or misplaced components
07/27/1988CN86101614B Infrared spectrometry of back oil in vacuum system
07/26/1988US4760444 Machine visual inspection device and method
07/26/1988US4760272 Weather identification system
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