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)
06/1991
06/11/1991US5022758 Arrangement for determining the degree of dispersion of magnetic pigments in a dispersion
06/11/1991US5022757 Heterodyne system and method for sensing a target substance
06/11/1991US5022756 Method and apparatus for spectrochemical analysis having maximum repeatability
06/11/1991US5022755 Gas chromatography apparatus
06/11/1991CA1284779C Apparatus for feeding test strips automatically into an analyzer
06/07/1991CA2031687A1 System to reduce wave shift error in spectrophotometer caused by hot spots in the light source
06/06/1991WO1991008468A1 Device for illuminating a test region of a bottle
06/06/1991DE4032002A1 In-situ microscope probe and measuring system - comprises optical microscope coupled to an image-analysing computer
06/06/1991DE3940035A1 Gas mixing by vortex prodn. - esp. for mixing reactive gases in chemiluminescence detection device
06/06/1991DE3939877A1 Foil thickness-thermal property contactless measurer - has deflector ensuring opposite directions of heating radiation from measurement object
06/06/1991DE3939876A1 Foil thickness-thermal property contactless measurement device - has head connected to heat source and thermal radiation receiver via optical conductors
06/06/1991CA2048680A1 Device for illuminating a test region of a bottle
06/06/1991CA2031553A1 Method of grading fruit and/or a fruit grading device
06/06/1991CA2031319A1 Apparatus for the illumination of a region of a bottle or the like to be inspected
06/05/1991WO1991008467A1 Flow monitor
06/05/1991EP0430924A1 Method for flow measurement of granulate in pipes
06/05/1991EP0430719A2 Compounds and reagents for determination of reticulocytes
06/05/1991EP0430710A2 Sensor-holding device
06/05/1991EP0430440A1 Chemiluminescence assay of inflammation
06/05/1991EP0430359A1 Capillary nebulizer
06/05/1991EP0430340A2 Non-invasive oximeter apparatus
06/05/1991EP0430305A2 Apparatus for moving a member along an orbital path
06/05/1991EP0430150A2 Method for testing quality and quality changes of biological systems and organochemical compositions interacting with these systems using measurements of ultraweak photon emission
06/05/1991EP0430111A2 Optical sensor
06/05/1991EP0429907A2 Optical biosensor
06/05/1991EP0429773A1 Atomic photo-absorption force microscope
06/05/1991EP0429616A1 Optical robotic canopy polishing system
06/05/1991EP0429612A1 Method of optical analysis.
06/05/1991EP0298080B1 Method and apparatus for monitoring surface layer growth
06/05/1991CN2078441U Photoelectric smoke-sensitive detecting head
06/05/1991CN2078440U Simple refractometer for clinical examination
06/05/1991CN1051979A Infrared moisture tester
06/04/1991US5022045 Optical-type, phase transition humidity-responsive devices
06/04/1991US5021662 Method and apparatus for real-time in-line material monitoring
06/04/1991US5021645 Photoelectric color sensor for article sorting
06/04/1991US5021352 Method for quantifying oxygen
06/04/1991US5020909 Single-beam
06/04/1991US5020908 Apparatus for the optical detection of flaws, in particular cracks in transparent objects
06/02/1991WO1991008464A1 Sample handling system for an optical monitoring system
06/02/1991WO1991008462A1 Cuvette and linear drive mechanism therefor
06/02/1991WO1991008460A1 Direct fibrinogen assay
06/02/1991CA2072984A1 Cuvette and linear drive mechanism therefor
06/02/1991CA2068413A1 Sample handling system for an optical monitoring system
06/02/1991CA2068221A1 Direct fibrinogen assay
06/02/1991CA2031047A1 Sensor-holding device
05/1991
05/30/1991WO1991008452A1 Liquid crystal device for calibration and testing of optical instruments
05/30/1991WO1991007683A1 Specimen review station
05/30/1991WO1991007659A1 Gas sensors and compounds suitable therefor
05/30/1991WO1991007658A1 Gas sensors and compounds suitable therefor
05/30/1991WO1991007655A1 Imaging using scattered and diffused radiation
05/30/1991WO1991007654A1 Penetrant composition and process for use
05/30/1991WO1991007653A1 A method and apparatus for detecting bark and for determining the degree of barking on wood and chips
05/30/1991WO1991007652A1 Optics and method for measuring fluorescence polarization
05/30/1991WO1991007651A1 Two-photon laser scanning microscopy
05/30/1991WO1991007507A1 4,7-dichlorofluorescein dyes as molecular probes
05/30/1991CA2072742A1 Liquid crystal device for calibration and testing of optical instruments
05/30/1991CA2068650A1 Method and apparatus for detecting bark and for determining the degree of barking on wood and chips
05/29/1991EP0429086A1 Inspection device on the basis of dark field illumination
05/29/1991EP0429047A2 Automatic measuring device for measuring the amount of wax, oil and other substances applied on the surface of a workpiece
05/29/1991EP0428939A2 Cumarin derivatives, process for their preparation, their use and thiazolylacetic acid derivatives as intermediate
05/29/1991EP0428751A1 Texture measuring method and texture control method
05/29/1991EP0387342A4 Purification of stable water-soluble dioxetanes
05/29/1991DE3938617A1 Measuring mass concn. to ascertain extinction of aerosol - using photometer receiving proportional measuring signal along at least two optical paths
05/29/1991CN2077998U Indicator paper for testing disinfected dinner sets
05/28/1991US5019715 Optical system and method for sample analyzation
05/28/1991US5019710 Optical system for detecting properties of traveling sheet materials
05/28/1991US5019518 Process for the detection of chemical warfare agents
05/28/1991US5019350 Fluorescent polymers
05/28/1991US5018867 Method and apparatus for the inspection of specularly reflective surfaces
05/28/1991US5018866 Method and apparatus for performing high sensitivity fluorescence measurements
05/28/1991US5018865 Photon scanning tunneling microscopy
05/28/1991US5018863 Apparatus for analysis by ellipsometry, procedure for ellipsometric analysis of a sample and application to the measurement of variations in the thickness of thin films
05/28/1991US5018856 Continuum source atomic absorption spectrometry
05/28/1991US5018855 Atomic absorption process monitoring
05/23/1991DE3938598A1 Optical bio-sensor - based on fluorescent energy transfer between one dye incorporated in Langmuir-Blodgett film and marker dye
05/23/1991DE3938471A1 Optical surface monitoring of rotating symmetrical body - using electronic camera and comparison of brightness of adjacent image elements on circular paths
05/22/1991EP0428284A1 Harvesting of delicate products
05/22/1991EP0428184A2 Reagent test strip reading instrument
05/22/1991EP0428040A2 Cuvette rotor
05/22/1991EP0427996A2 Process and apparatus for determining qualitatively and quantitatively organic compounds
05/22/1991EP0427943A1 Fibre-optic sensor for the detection of photothermic effects
05/22/1991EP0427908A2 Particle counter
05/22/1991EP0427824A1 Method for frequency analysis of moving fibre aggregates
05/22/1991EP0427735A1 Microtitration plate and process for the quantitation of the state or changes of state of inhomogeneous samples.
05/22/1991CN2077545U Multi-element quick automatic analyzer for ferrous metal
05/22/1991CA2030244A1 Optical biosensor
05/22/1991CA2030243A1 Coumarin derivatives, process for their preparation, their use and thiazolyl-acetic acid derivatives as intermediates
05/21/1991US5018212 Defect area consolidation for pattern inspector
05/21/1991US5018209 Analysis method and apparatus for biological specimens
05/21/1991US5017798 Surface examining apparatus for detecting the presence of foreign particles on two or more surfaces
05/21/1991US5017795 Apparatus for inspecting can seams and the like
05/21/1991US5017787 Desk top type infrared radiation moisture measuring apparatus
05/21/1991US5017785 IR-spectrometric analyzing procedure and means
05/21/1991US5017775 Optical apparatus for detecting cavitation bubbles in liquids
05/21/1991US5017497 Particle discriminator and method
05/21/1991US5017341 Absorption, sedimentation
05/21/1991US5017009 Scattered total internal reflectance immunoassay system
05/21/1991US5017008 Particle measuring apparatus
05/21/1991US5017007 Apparatus and microbase for surface-enhanced raman spectroscopy system and method for producing same
05/18/1991WO1991007650A1 Method for measuring degree of cure of resin in a composite material and process for making the same