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)
11/1994
11/24/1994CA2139591A1 Process for the colorimetric quantitative analysis of melanic dialdehyde and 4-hydroxy-2-enaldehydes indicating lipidic peroxydation, kit for its use, substituted indoles usable with this process and their preparation
11/24/1994CA2138254A1 Improved optical detection system for apparatus to culture and detect bacteria in human tissue
11/23/1994EP0625708A2 Method and apparatus for indirect agglutination immunoassay
11/23/1994EP0625703A1 Surface inspection apparatus for spherical objects
11/23/1994EP0625702A1 Identification of unknown gases
11/23/1994EP0625510A2 Novel N-alkylacridan carboxyl derivatives useful for chemiluminescent detection
11/23/1994EP0625270A1 Optical coupler comprising an optical mode mixer
11/23/1994EP0625262A1 Fluid monitoring
11/23/1994EP0619017A4 Video fluorescence monitor for determination of pcb or pcb mineral oil spill outline.
11/23/1994EP0615617A4 Capillary flowcell for multiple wavelength detection.
11/23/1994EP0611323A4 Sample metering port for analytical rotor.
11/23/1994EP0366696B1 Procedure for controlling a radiation source and controllable radiation source
11/22/1994US5367474 Flow cytometer
11/22/1994US5367379 Luster detector
11/22/1994US5367374 Platform for a transversely-heated electrothermal atomizer furnace for atom absorption spectroscopy
11/22/1994US5367175 Method of measuring liquid level with a thermal interface detection
11/22/1994US5367174 Defect detecting device for two-layer parts, in particular for solar cells
11/22/1994US5366903 Measurement of blood
11/22/1994US5366900 Exposing to ultraviolet radiation to make nitric oxide; detection
11/22/1994US5366603 Sequencing near infrared and infrared fluorescence labeled DNA for detecting useing laser diodes
11/22/1994US5365925 Disposable calibration boot for multi-point calibration in fiber optic sensors
11/21/1994CA2124065A1 Device and method for detecting web contamination
11/18/1994CA2122756A1 Identification of unknown gases using infrared absorption spectroscopy
11/17/1994EP0624799A2 Pressure probe for quantitative determination of contaminants in groundwater
11/17/1994EP0624789A1 Method and apparatus for checking the condition of adhesive application in packages
11/17/1994EP0624788A1 Method of and apparatus for inspecting honeycomb-shaped object having plural through holes
11/17/1994EP0624787A1 Method and device for non-distructive testing of surfaces
11/17/1994EP0624786A1 Device and method for measuring photometric data arranged side by side and/or one after the other on a sheet or a strip
11/17/1994EP0624785A1 Infrared optical part and measuring instrument
11/17/1994EP0624245A1 Diagnostic tests using near infrared laser absorption spectroscopy
11/17/1994DE4330710C1 Optoelectronic sensor device
11/17/1994DE4315465A1 Method for testing the uniformity of periodically ordered surface structures
11/17/1994DE4315453A1 Infrared gas analyser
11/16/1994CN1095176A Smoke type fire detector
11/16/1994CN1095175A Photoelectric type fire detector
11/16/1994CN1095161A Device for non-destructive inspection of neodymium distributed gradient in yttrium aluminium garnet laser crystal
11/15/1994US5365596 Methods and apparatus for automatic image inspection of continuously moving objects
11/15/1994US5365343 Light flux determination of particle contamination
11/15/1994US5365341 Bonding wire inspection apparatus
11/15/1994US5365334 Micro photoreflectance semiconductor wafer analyzer
11/15/1994US5365330 Foreign particle inspection apparatus
11/15/1994US5365329 Apparatus and method for measuring refractive index
11/15/1994US5365313 Image forming apparatus for controlling image density using logarithm compressing means
11/15/1994US5365084 Video inspection system employing multiple spectrum LED illumination
11/15/1994US5365067 Method and device for evaluation of surface properties, especially molecular orientation, in non-transparent layers
11/15/1994US5365066 Low cost means for increasing measurement sensitivity in LED/IRED near-infrared instruments
11/15/1994US5364797 Sensor device containing mesoporous crystalline material
11/15/1994US5364796 Assessing available ligand binding sites on proteins
11/15/1994US5364795 Forming nitrogen dioxide
11/15/1994US5364792 Test swab and method of making and using same
11/15/1994US5364593 Direct-read colorimetric exposimeter
11/15/1994US5364592 Cassette for storing and dispensing cuvettes
11/15/1994US5364502 Kraft pulp, measuring sulfate and thiosulfate concentration
11/15/1994US5363968 Automatic blister inspection system
11/15/1994US5363901 Method for detecting pinholes in continuously cast billets
11/15/1994CA2011371C Rapid hair ph indication and solution therefor
11/15/1994CA1333097C Liver function testing apparatus
11/15/1994CA1333012C Test piece coloration comparative decision unit
11/10/1994WO1994025946A1 Smoke detector sensitivity testing apparatus
11/10/1994WO1994025876A1 Device for analyzing a fluid medium
11/10/1994WO1994025861A1 Raman analysis apparatus and methods
11/10/1994WO1994025858A1 Apparatus for the detection of surface defects
11/10/1994WO1994025856A1 Method and device for the determination of polymeric biguanides in aqueous fluids
11/10/1994WO1994025855A1 Method of measuring chemiluminescence of multiple samples on a continuous matrix
11/10/1994WO1994025854A1 Electrochemiluminescent process
11/10/1994WO1994025853A1 Electrochemiluminescent process
11/10/1994WO1994025851A1 Detection of irradiated samples
11/10/1994WO1994025850A1 Analytical device
11/10/1994WO1994025849A1 Device for the measurement of the reflectance at a point on a surface
11/10/1994WO1994025847A1 Apparatus and process for indirectly measuring the concentration of controlled drugs in solution
11/10/1994WO1994025837A1 Integrated device for instant detection and identification of an entity
11/10/1994WO1994025823A1 Self aligning in-situ ellipsometer and method of using for process monitoring
11/10/1994WO1994025160A1 Improved device for automated chemiluminescent immunoassays
11/10/1994WO1994025159A1 Blood testing device
11/10/1994WO1994024927A1 Method and apparatus for examining tissue by transillumination using near infrared light
11/10/1994DE4315152A1 Device for examining a gas
11/10/1994DE4314972A1 Method for determining the whiteness of sheet-like structures
11/10/1994DE4314680A1 Method for spectroscopic determination of nitrogen oxide content
11/10/1994DE4314535A1 Interferometric gas component measuring instrument
11/10/1994DE4307190A1 Infrared gas analyser
11/10/1994CA2159831A1 Self aligning in-situ ellipsometer and method of using for process monitoring
11/10/1994CA2139576A1 Apparatus for the detection of surface defects
11/09/1994EP0623821A2 Mixed luminescent conjugate test assays
11/09/1994EP0623599A1 Optical sensors for the determination of cations
11/09/1994EP0623308A1 Method for non-invasive measurement of concentration of constituents in blood
11/09/1994EP0623307A1 Non-invasive determination of constituent concentration using non-continuous radiation
11/09/1994EP0623306A1 Method for non-invasive measurement of concentration of analytes in blood using continuous spectrum radiation
11/09/1994EP0623212A1 Food spoilage detection method
11/09/1994EP0623211A1 Assessment of characteristics of fluids.
11/09/1994EP0383922B1 Method for measuring degree of freshness and measuring kit for the method
11/09/1994EP0383912B1 Method and apparatus for optically measuring concentration of material
11/09/1994CN2182406Y Direct-reading photoelectric color comparator
11/08/1994USRE34783 Method for determining absolute reflectance of a material in the ultraviolet range
11/08/1994USRE34782 Fluorometer
11/08/1994US5363199 Smoke opacity detector
11/08/1994US5363198 Apparatus and method for measuring smoke opacity of a plume of smoke using an array of light beams
11/08/1994US5363189 Spectroscopic analysis method and analyzing system
11/08/1994US5363188 Method and device for monitoring the transparency of a laminated pane
11/08/1994US5363187 Light scanning apparatus for detecting foreign particles on surface having circuit pattern
11/08/1994US5362971 Fiber optic detection system