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)
11/1989
11/02/1989EP0339086A1 Electrochemiluminescent rhenium moieties and methods
11/02/1989EP0339028A1 Differential binding of potential sensitive materials by lymphocytes.
11/02/1989EP0297129B1 Refraction coefficient profile measurement system and process
11/02/1989DE3813718A1 Multi-angle light scattering
11/02/1989DE3813258A1 Method for the non-contact testing and non-destructive testing of absorptive materials, and device for carrying it out
11/02/1989DE3813239A1 Test room for checking the surface of vehicle bodies for faults
11/01/1989CN1036832A Turbidimeter with full-automatic measuring ranges
11/01/1989CN1036830A Method for manufacturing optical probe
11/01/1989CN1036775A Polyacrylamide gels and method for preparation of polyacrylamide gels
10/1989
10/31/1989US4877966 Method and apparatus for the measurement of low-level laser-induced fluorescence
10/31/1989US4877965 Fluorometer
10/31/1989US4877960 Microscope having dual remote image masking
10/31/1989US4877747 Optical assay: method and apparatus
10/31/1989US4877638 Crack detection in coated articles
10/31/1989US4877583 Fluorescent analyzer
10/31/1989US4877580 Aperture through each of the color fields
10/31/1989US4877485 Sheet inspection station with pneumatic sheet guide
10/31/1989US4877326 Method and apparatus for optical inspection of substrates
10/31/1989US4876881 Method and apparatus for measuring settling rate, compaction, and clarity of a liquid
10/31/1989CA1262567A1 System for automatically inspecting a flat workpiece for holes
10/25/1989EP0338442A2 A method and apparatus for the inspection of specularly reflective surfaces
10/25/1989EP0338368A1 Thin film photoluminescent articles and method of making the same
10/25/1989EP0338288A2 Particulate inspection of fluids
10/25/1989EP0338185A2 Apparatus with an optical gas detector for measuring the concentration of gases and for monitoring them
10/25/1989CN2046625U Hexvalence chromium ion process analysis system
10/25/1989CN1036636A Improvements relating to optical sensing arrangements
10/25/1989CN1036635A Light fibre humidity transduser
10/24/1989US4876458 Apparatus for measuring particles in liquid
10/24/1989US4876455 Fiber optic solder joint inspection system
10/24/1989US4876448 Optical system for motion compensation of line scanners
10/24/1989US4876208 Silicon surface has grating design of active binding reagent
10/24/1989US4876206 Using halide acid; red, orange color under ultraviolet radiation
10/24/1989US4876203 Method of performing medical analysis on a liquid sample using at least one dry reagent, and apparatus for the method
10/24/1989US4875780 Method and apparatus for inspecting reticles
10/24/1989US4875773 Optical system for a multidetector array spectrograph
10/24/1989US4875771 Method for assessing diamond quality
10/19/1989WO1989010025A1 Device for producing a magnetic field in an atomic absorption spectrometer
10/19/1989WO1989009931A1 System of fluid inspection and/or identification
10/19/1989WO1989009930A1 An improved set point control circuit for an infrared gas analyzer
10/19/1989DE3906119A1 Arrangement for measuring polarisation-optical path differences
10/19/1989DE3902390A1 Arrangement for simultaneous multi-element analysis for atomic absorption spectrometers
10/19/1989DE3811446A1 Einrichtung zur erzeugung eines magnetfeldes in einem atomabsorptions-spektrometer Means for generating a magnetic field in an atomic absorption spectrometer
10/18/1989EP0337933A1 Apparatus for the determination of contamination in gases and application of the apparatus
10/18/1989EP0337700A2 Pen rubber mold maker apparatus and method for inspecting the inside surface of a tubular member
10/18/1989EP0337421A2 Method and device for inspecting sidewall of bottle
10/18/1989EP0337173A2 Device for detecting alcoholic content
10/18/1989EP0337108A2 Method and apparatus for periodically obtaining accurate opacity monitor readings of an exhaust gas stream
10/18/1989EP0337054A2 Interferometric arrangement
10/18/1989EP0336986A1 Polyacrylamide gels
10/18/1989EP0336985A1 Method for manufacturing an optical probe
10/18/1989EP0227766B1 Method for improving the selectivity of spectrometric measurements, as well as device for implementing such method
10/18/1989CN2046217U Stepping transfer system used in automatic lamp-detecting machine
10/18/1989CN1036457A Ba-content testing method of additive and additive-containing lubricating oil
10/17/1989US4875175 Method and device for analyzing and measuring physical parameters of a layered material by thermal radiometry
10/17/1989US4875170 Method and apparatus for estimating life expectancy of mechanical structures
10/17/1989US4874956 Method and apparatus for inspecting semiconductor devices for their bonding status
10/17/1989US4874949 Injection of propanediol/1,2-/ as indicator and measurement of light transmittance
10/17/1989US4874940 Method and apparatus for inspection of a transparent container
10/17/1989US4874939 Method and apparatus for detecting position/variance of input light using linear and quadratic outputs
10/17/1989US4874572 Method of and apparatus for measuring vapor density
10/17/1989US4874492 Irradiating fluorescent labels; detection of light pattern
10/17/1989US4874251 Thermal wave imaging apparatus
10/17/1989US4874243 Apparatus for continuously measuring the turbidity of a fluid
10/17/1989US4874242 Device for detection of extraneous substances through a wall and a system for aiding the driving of automobiles or airplanes
10/17/1989US4874188 Polymer matrix containing photoluminescent doping material
10/17/1989US4873993 Cuvette
10/17/1989US4873875 System for optically interrogating liquid samples and for withdrawing selected sample portions
10/16/1989EP0241522A4 Digital anesthetic agent analyzer.
10/11/1989EP0336827A1 Method for the detection of narcotic traces and products for use in this method
10/11/1989EP0336794A1 Apparatus for analyzing and sampling of liquid effluents coming from an industrial installation
10/11/1989EP0336709A2 Aminofunctional organosilicon optical brighteners
10/11/1989EP0336476A1 Inspection device
10/11/1989EP0336429A2 Analytical method for particulate substances, relevant analytical equipment and its application system
10/11/1989EP0336402A2 Measuring instrument in the form of an integrating nephelometer for measurement of the dispersion and adsorption coefficient of the atmosphere
10/11/1989EP0336350A2 Device for the optical inspection of moving surfaces
10/11/1989EP0336208A1 Computed tomograph
10/11/1989EP0336029A1 Process for fluorimetric monitoring of functional coatings and structures used in the process and comprising a substrate and said functional coating
10/11/1989EP0335915A1 Solution loading analyzer
10/11/1989CN2045631U Fast testing and diagnosing bead
10/11/1989CN1005429B 光度计 Photometer
10/10/1989US4873546 Color printing method and apparatus
10/10/1989US4873432 Compound application detector
10/10/1989US4873430 Method and apparatus for optically measuring characteristics of a thin film by directing a P-polarized beam through an integrating sphere at the brewster's angle of the film
10/10/1989US4872759 Sensor for gases or ions
10/10/1989US4872758 Film thickness-measuring apparatus
10/10/1989US4872753 Process cell with temperature compensation
10/10/1989CA1262291A1 Method and apparatus for measuring the ion implant dosage in a semiconductor crystal
10/10/1989CA1262229A1 Occult fecal blood test slide and manufacturing method
10/05/1989WO1989009400A1 Light emitting probe complex for measuring ph and method of ph measurement
10/05/1989WO1989009394A1 Waveguide sensor
10/05/1989WO1989009392A1 Fluid pollution monitor
10/05/1989WO1989009391A1 Method for detecting the presence of contaminants in a reusable plastic food or beverage container
10/05/1989WO1989009390A1 Method for detecting the presence of contaminants in a reusable plastic food or beverage container
10/05/1989WO1989009388A1 A method of effecting nir-analyses of successive material samples, and a system for carrying out the method
10/05/1989DE3908918A1 Verfahren zur bestimmung von terbium oder europium enthaltenden chemischen komponenten Method for the determination of terbium or europium-containing chemical components
10/04/1989EP0335845A2 Light source assembly
10/04/1989EP0335725A2 Apparatus and method for detection of fluorescence or light scatter
10/04/1989EP0335559A2 A telecentric imaging system
10/04/1989EP0335268A2 Detector cell for liquid chromatography
10/04/1989EP0335192A2 Combined gloss and color measuring instrument