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)
11/1985
11/05/1985US4551023 System for recording information on photographic image density and process
11/05/1985US4551022 Testing method by a spectroscopic photometry using three wavelengths of light and a device for said method
11/05/1985US4551020 Optical apparatus for determining the index profile of an optical fibre
11/05/1985US4550998 Toner concentration detecting device
10/1985
10/30/1985EP0159700A2 Method and apparatus for improved inspection of continuous webs
10/30/1985EP0159638A2 Multizone analytical element and method for analyte determination
10/29/1985US4550313 Fire detecting system
10/29/1985US4550254 Low cost infrared reflectance densitometer signal processor chip
10/29/1985US4550085 Labelled-radioactive, fluorescence or enzyme
10/29/1985US4550084 Analysis system
10/29/1985US4549812 Liquid phase counter
10/29/1985US4549809 Method for photometric measurement of light absorption of liquid samples in cuvettes
10/29/1985US4549807 Process for measuring fluorescence
10/29/1985US4549662 Transport apparatus
10/29/1985CA1196085A1 Method and apparatus for detecting defects in glass bottles using event proximity
10/29/1985CA1195858A1 Method of and apparatus for measuring the thickness and the refractive index of transparent materials
10/29/1985CA1195857A1 Atomic absorption spectrophotometer providing background correction using the zeeman effect
10/24/1985WO1985004717A1 Analytical furnace having preheating and constant temperature sections
10/23/1985EP0159157A1 Filter cleaning system for opacity monitor
10/23/1985EP0159066A1 Method for separating the lanthanide marker form a lanthanide marked immunochemical component
10/23/1985EP0158993A2 Analytical element having improved spreading zone and method of use
10/23/1985EP0158964A2 Tester for detecting a substance in a body fluid
10/23/1985EP0158948A2 Flow-through cuvette for nanoliter volumes
10/23/1985EP0158796A2 Diagnostic method for detecting periodontal disease
10/23/1985EP0158662A1 Water test kit and components therefor
10/22/1985US4549206 Method and apparatus for examining printed circuit board provided with miniaturized electronic parts
10/22/1985US4549205 Ampoule inspecting method
10/22/1985US4549081 Spectrophotometer for measuring absorption characteristics of a complex lens
10/22/1985US4549080 Double-pass flue gas analyzer
10/22/1985US4548907 Fluorescent fluid determination method and apparatus
10/22/1985US4548505 Sensor for spectral analyzer for living tissues
10/22/1985US4548500 Process and apparatus for identifying or characterizing small particles
10/22/1985US4548499 Arrangement for measuring fluorescence polarization
10/22/1985US4548498 Laser induced fluorescence detection in modern liquid chromatography with conventional and micro columns
10/22/1985US4548497 Method and device for introducing a sample into a graphite tube
10/22/1985CA1195597A1 Analysis of substances which form volatile hydrides
10/22/1985CA1195527A1 Apparatus for checking the internal surface of a pipe or the like
10/16/1985EP0158549A2 Endoscope-type device for subterraneous exploration, especially for the in situ observation of the in-rooting of plants
10/16/1985EP0158506A2 Method and apparatus for determination of an analyte and method of calibrating such apparatus
10/16/1985EP0158298A2 A probe for abnormality of internal tissue by spectroscopic method
10/15/1985US4547898 Apparatus for determining the two-dimensional connectivity of a prescribed binary variable associated with a surface
10/15/1985US4547675 Smoke detector operating according to the radiation extinction principle
10/15/1985US4547662 Noninterference optical error sensing system
10/15/1985US4547465 Analytical element having improved spreading zone and method of use
10/15/1985US4547460 Multizone analytical element and method for analyte determination
10/15/1985US4547075 Device for the detection and calculation of particles present in a moving suspension for hematological analyses and the like
10/15/1985US4547073 Surface examining apparatus and method
10/15/1985US4547071 Method and apparatus for measuring density gradient
10/15/1985US4547070 Apparatus and process for measuring the colloidal stability of liquids
10/15/1985US4547069 Tubular cuvette for atomic absorption spectrometry
10/15/1985US4547068 Optical analytical instrument beam condenser
10/15/1985US4547067 Apparatus for detecting faults in transparent objects
10/15/1985US4546885 Diagnostic device for color sorting apparatus
10/15/1985CA1195409A1 Radiation detection apparatus
10/15/1985CA1195407A1 Flaw detector
10/14/1985EP0085700A4 Cuvette system for automated chemical analyzer.
10/10/1985WO1985004486A1 Electrophoretic light scattering apparatus and process
10/10/1985WO1985004478A1 Procedure for measuring contents of hydrocarbons in liquids containing such
10/09/1985EP0157678A2 Electronic endoscope
10/09/1985EP0157629A2 Chemiluminescent methods and kit
10/09/1985EP0157310A2 Optical arrangement using a laser for the measurement of the dispersion rate in flowing media
10/09/1985EP0157280A2 DNA sequencing
10/09/1985EP0157243A2 Method and apparatus for the detection of reducing gases
10/09/1985EP0157009A2 Special endoscope for optical flaw inspection
10/08/1985US4546444 Data compression interface having parallel memory architecture
10/08/1985US4546256 Spectrophotometer for measuring transmission spectra
10/08/1985US4546247 Chipped neck inspector
10/08/1985US4545957 Acidification, adding reducing agent, then color forming agnet, and colorimetric analysis
10/08/1985US4545903 Apparatus for automatically controlling the sedimentation of muds during the purification of waste waters
10/08/1985US4545680 Spectroanalysis system
10/08/1985US4545679 Frequency shift measurement in shock-compressed materials
10/08/1985CA1194888A1 Process for the determination of the ph value in the interior of a cell
10/02/1985EP0156346A2 Method and apparatus for detecting inferior container
10/02/1985EP0156261A2 Fluorogenic dihydroquinolone and dihydrocoumarin indicators for hydrogen peroxide
10/02/1985EP0156256A2 Reagent test device
10/02/1985EP0156204A2 Apparatus for measuring velocity of enzyme reaction
10/01/1985US4544274 Apparatus and method for measurement of weak optical absorptions by thermally induced laser pulsing
10/01/1985US4544273 Smoke opacity meter
10/01/1985US4544271 Densitometer
10/01/1985US4544270 Apparatus for the spectrographic analysis of workpieces formed from iron and steel alloys
10/01/1985US4544268 Method and apparatus for detecting flaw on threads of male screw
10/01/1985US4544263 Copying machine having an image density control device
10/01/1985US4543815 Device for the detection of foreign components in a gas and an application of the device
10/01/1985CA1194581A1 Process and device for detecting foreign bodies in a liquid
10/01/1985CA1194385A1 Device fabrication using gas-solid processes
09/1985
09/26/1985WO1985004169A1 Method and agents for measuring protein aging
09/25/1985EP0155891A2 Method for determining uranium traces in solutions by time-resolved spectrofluorometry
09/25/1985EP0155813A2 Method and apparatus for enhanced detection of electromagnetic signals
09/25/1985EP0155789A2 Apparatus for automatically inspecting printed labels
09/25/1985EP0155496A2 Plasma emission source
09/24/1985US4543602 Surface inspection method
09/24/1985US4543482 Transducer mounting assembly
09/24/1985US4543481 Leak detection in pipelines
09/24/1985CA1193880A1 Apparatus for determining the refractive index profile of optical fibres and optical fibre preforms
09/18/1985EP0155247A2 A method for microphotometering microscope specimens
09/18/1985EP0155142A2 Apparatus and method for remote sensing of gases, vapours or aerosols
09/18/1985EP0155138A2 A reticle used in semiconductor device fabrication and a method for inspecting a reticle pattern thereon
09/18/1985EP0154875A2 Device for the determination of the diffuse surface reflection of a sample of small dimensions
09/18/1985EP0154792A2 Sample cell temperature stabilizer
09/18/1985EP0154743A2 Method and apparatus for automated double fluorochromization analysis in lymphocytotoxicity testing
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