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