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)
10/1993
10/26/1993US5256886 Apparatus for optically detecting contamination in particles of low optical-loss material
10/26/1993US5256883 Method and system for broad area field inspection of a moving web, particularly a printed web
10/26/1993US5256880 Process for the qualitative analysis of plastic particles
10/26/1993US5256871 Machine for video inspection of glass containers with intersecting light beams
10/26/1993US5256376 Photooptical detection, centrifuging
10/26/1993US5256374 Sample introduction for spectrometers
10/26/1993US5255555 Method for determining particle response characteristics
10/26/1993CA1323507C Fabric pile lay detector
10/26/1993CA1323506C Sensors for dissolved substances and fluids
10/25/1993CA2092373A1 Methods and apparatus for detecting biological activities in a specimen
10/24/1993CA2094550A1 Automatic analyzing apparatus
10/23/1993CA2094577A1 Method of monitoring and controlling corrosion inhibitor dosage in aqueous systems
10/20/1993EP0566480A1 Sensor probe with a selectively permeable membrane and method for its manufacture
10/20/1993EP0566397A2 Apparatus and method for inspecting articles such as agricultural produce
10/20/1993EP0566109A1 Colorimetric assay for the determination of density or activity of viable cells
10/20/1993EP0565906A2 Method and apparatus for detecting irregularities in length of separate yarn components of a double yarn
10/20/1993EP0565699A1 Specimen processing and analyzing systems with associated fluid dispensing apparatus
10/20/1993EP0565696A1 Specimen processing and analyzing systems with a station for holding specimen trays during processing.
10/20/1993EP0565693A1 Specimen processing and analyzing systems and methods using photometry
10/20/1993EP0565539A1 Optical glucose sensor apparatus and method
10/20/1993EP0558628A4 Diesel particulate monitor
10/20/1993EP0523227A4 One-step test for aspartate aminotransferase
10/20/1993EP0426817B1 Devices for use in chemical test procedures
10/20/1993EP0380580B1 Multi-channel molecular gas analysis by laser-activated raman light scattering
10/20/1993CN1077534A In-pattern on-line coating defect detection system
10/20/1993CN1077533A Refractivity measuring apparatus using interference method
10/20/1993CN1022514C Infrared moisture measuring device
10/20/1993CN1022513C Liver function testing apparatus
10/19/1993US5255329 High-speed fault detecting method and apparatus
10/19/1993US5255204 Method of calibrating an enzyme immuno assay system
10/19/1993US5255089 Portable particle detector assembly
10/19/1993US5255075 Testing a biochemical sample
10/19/1993US5255074 Concentration of a fluid in a process stream
10/19/1993US5255073 Apparatus for emitting and receiving light
10/19/1993US5255072 Apparatus for analyzing fluid by multi-fluid modulation mode
10/19/1993US5255071 Photoreflectance method and apparatus utilizing acousto-optic modulation
10/19/1993US5255070 Method for determining interface properties of semiconductor materials by photoreflectance
10/19/1993US5255069 Electro-optical interferometric microdensitometer system
10/19/1993US5255067 Substrate and apparatus for surface enhanced Raman spectroscopy
10/19/1993US5254858 System having non-imaging concentrators for performing IR transmission spectroscopy
10/19/1993US5254477 Flourescence intramolecular energy transfer conjugate compositions and detection methods
10/19/1993US5253516 Atomic force microscope for small samples having dual-mode operating capability
10/19/1993CA1323427C Method for determination of pith location relative to lumber surfaces
10/19/1993CA1323208C Analytical method to determine gum content in a gasoline boiling hydrocarbon
10/19/1993CA1323207C Densitometer method and system for identifying and analyzing printed targets
10/19/1993CA1323205C Multi-channel molecular gas analysis by laser-activated raman light scattering
10/15/1993CA2093990A1 Measuring cell with selective permeability membrane and process for making such cell
10/14/1993WO1993020612A2 Automatic device for the photometric analysis of liquid samples
10/14/1993WO1993020450A1 Automated continuous and random access analytical system
10/14/1993WO1993020444A1 Methods for providing homogeneous reagents
10/14/1993WO1993020443A1 Assay verification control for analytical methods
10/14/1993WO1993020441A1 Automated continuous and random access analytical system and components thereof
10/14/1993WO1993020440A1 Automated continuous and random access analytical system and components thereof
10/14/1993WO1993020435A1 Method and detector for separation processes
10/14/1993WO1993020431A1 Method for measuring the concentration of carbon dioxide dissolved in sea water, and device therefor
10/14/1993WO1993020430A1 Integrated optical compensating refractometer apparatus
10/14/1993WO1993020429A1 Infrared analyzer for determining the concentration of multiple chemical components in a gas or liquid
10/14/1993WO1993020428A1 Improved photometer
10/14/1993WO1993020240A1 Method and device for detection of nucleic acid or analyte using total internal reflectance
10/14/1993WO1993019928A1 Plastic assay cuvette having low birefringence
10/14/1993WO1993019827A1 Analytical rotor with dye mixing chamber
10/14/1993DE4311477A1 Differential refractometer esp. for liq. chromatography - operates in high sensitivity analysis mode and low sensitivity preparative mode
10/14/1993DE4210343A1 Light intensity distribution measurement for optical densitometry or fluorescence measurement - has linear objective lens system, photoelectric sensor and illumination system all of equal length extending over whole width of sample.
10/14/1993CA2639400A1 A microparticle enzyme immunoassay (meia) cartridge feeder
10/14/1993CA2133643A1 Method and device for detection of nucleic acid or analyte using total internal reflectance
10/14/1993CA2129245A1 Automated continuous and random access analytical system
10/14/1993CA2109809A1 Method for measuring the concentration of carbon dioxide dissolved in sea water, and device therefor
10/13/1993EP0565496A1 Method and apparatus for detecting density differences in a fabric
10/13/1993EP0564948A1 Ultraviolet spectrographic monitoring of water soluble corrosion inhibitors
10/13/1993EP0564929A1 Method for examining the physical properties of thin electro-optically active layers
10/13/1993EP0564625A1 Regulated infrared source
10/13/1993EP0564566A1 Apparatus for remote analysis of vehicle emissions
10/13/1993EP0436546B1 Dusting apparatus
10/13/1993CN1077284A Methods and apparatus for isotopic analysis
10/12/1993US5253037 Optimal length for refractive index sensors
10/12/1993US5252836 Reflective grain defect scanning
10/12/1993US5252834 Pulsed and gated multi-mode microspectrophotometry device and method
10/12/1993US5252829 Infrared absorption measurement
10/12/1993US5252828 Mobile exhaust tracking system
10/12/1993US5252827 Method and apparatus for analysis of gases using plasma
10/12/1993US5252494 Fiber optic sensors, apparatus, and detection methods using controlled release polymers and reagent formulations held within a polymeric reaction matrix
10/12/1993US5252493 Antigens or antibodies labeled with micromagnetic particles; concentrating magnetically, radiating, measuring reflected light; viruses; cancer, leukemia antibodies in blood
10/12/1993US5252488 Quantitative analysis of cholestrol levels
10/12/1993US5252486 Using reducing agent and preservative as carrier; conversion of polyphosphates to orthophosphate; development of molybdenum blue complex color reaction
10/12/1993US5252294 For safely controlled handling of dnagerous materials in particular
10/12/1993US5252060 Infrared laser fault detection method for hazardous waste incineration
10/12/1993CA2013378C Technique for object orientation detection using a feed-forward neural network
10/12/1993CA1322945C Indicator device
10/12/1993CA1322938C Water washable contaminant detection and labeling compositions and method for utilizing same
10/12/1993CA1322867C Method of and apparatus for measuring very low water content in gas
10/12/1993CA1322866C Method and apparatus for determining the concentration of a substance which is bonded to particles in a flowing medium
10/11/1993CA2093492A1 Method of sensing the variation of consistensy of a fabric and apparatus for carrying out such method
10/11/1993CA2082186A1 Production of high binding capacity magnetizable particles of controlled size used in immunoassay systems
10/10/1993CA2093087A1 Ultraviolet spectrographic monitoring of water soluble corrosion inhibitors
10/09/1993CA2093625A1 Analysis of the physical properties of thin layers and electro-optically active thin layers
10/07/1993DE4310597A1 Reference material set of dye solns. corresponing to ASTM colours - used for calibration of photoelectric colourimeters, for measuring crude oil products
10/07/1993DE4211468A1 Temp. measuring system for cuvette in refractometer - seals sensor end on radially and axially elastic hose and receives sensor in cuvette opening.
10/07/1993DE4211467A1 Determining spatial anisotropy state of low oriented two=axis polymeric object - using circularly-polarised light and measuring refractive index,thickness, size and spatial position of indicatrix from interference image and isochromate
10/07/1993DE4210963A1 Automatische Vorrichtung zur photometrischen Analyse von flüssigen Proben Automatic device for photometric analysis of liquid samples
10/06/1993EP0564273A1 Method and apparatus for effecting reaction of particles
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