| 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) |
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| 09/25/1990 | US4959196 Colorimetric |
| 09/25/1990 | US4959134 Dna sequences |
| 09/25/1990 | CA1274600A1 Detecting unwanted materials among cullet |
| 09/25/1990 | CA1274599A1 Transparent body quality control |
| 09/24/1990 | WO1990011525A1 Assay method using surface plasmon resonance spectrometry |
| 09/24/1990 | WO1990011510A1 Assay method using surface plasmon resonance spectrometry |
| 09/24/1990 | CA2048694A1 Assay method using surface plasmon resonance spectrometry |
| 09/24/1990 | CA2044254A1 Assay method using surface plasmon resonance spectrometry |
| 09/23/1990 | WO1990011507A1 Method and apparatus for spectroscopic comparison of compositions |
| 09/23/1990 | CA2028822A1 Method and apparatus for spectroscopic comparison of compositions |
| 09/21/1990 | CA2012597A1 Examination of surface structures |
| 09/20/1990 | WO1990010869A1 Analyte assay device and apparatus |
| 09/20/1990 | WO1990010858A1 Single particle detector using light scattering techniques |
| 09/20/1990 | WO1990010852A1 Apparatus and process for performing ellipsometric measurements of surfaces |
| 09/20/1990 | WO1990010842A1 Single beam ac interferometer |
| 09/20/1990 | WO1990010720A1 Detection of the molten steel-slag interface by spectrophotometry during tapping of the basic oxygen converter |
| 09/20/1990 | DE4008366A1 Fibre alignment determn. - by scanning elliptic spot on rear of laser beam focus on web by CCD camera and microcomputer |
| 09/20/1990 | DE4004527A1 Gas flow correction device for atom absorption photometer burner - allows gas flow to be optimised for analysed element |
| 09/20/1990 | DE3908936A1 Vorrichtung zur bestimmung eines gasbestandteiles in einem messgas Means for determining a gas component in a measurement gas |
| 09/19/1990 | EP0388184A2 On-line method of determining utilization factor in HG-196 photochemical separation process |
| 09/19/1990 | EP0388182A2 Method and apparatus to measure mercury density in a flow reactor used for HG-196 isotope separation |
| 09/19/1990 | EP0388168A2 Incubator |
| 09/19/1990 | EP0388082A2 Infrared spectrometer |
| 09/19/1990 | EP0388023A2 Atomic force microscope with optional replaceable fluid cell |
| 09/19/1990 | EP0387930A1 Simultaneous double inspection |
| 09/19/1990 | EP0387793A2 Process and means for representation of structures |
| 09/19/1990 | EP0387787A2 Automatic analyzing apparatus and method for clinical examination |
| 09/19/1990 | EP0387684A2 Improved pressure-modulated infrared gas analyzer and method |
| 09/19/1990 | EP0387630A2 A compact semi-programmable device for reading reagent test strips and method relating thereto |
| 09/19/1990 | EP0387503A2 Device to measure the fluorescence-diminishing-time of a fluorescent substance |
| 09/19/1990 | EP0387343A1 Reading device for a microtest plate |
| 09/19/1990 | EP0387342A1 Purification of stable water-soluble dioxetanes. |
| 09/19/1990 | EP0387291A1 Apparatus and method for use in pulse oximeters |
| 09/19/1990 | CN2062448U Hemoconia automatic testing analyzer |
| 09/19/1990 | CN2062444U Fluoroscopy analyzer for paddy and brown rice |
| 09/18/1990 | US4958374 Method of checking pattern and apparatus therefor |
| 09/18/1990 | US4958373 Defect-recognition processing apparatus |
| 09/18/1990 | US4958307 Roll mark inspection apparatus |
| 09/18/1990 | US4958223 Inspection of container finish |
| 09/18/1990 | US4958083 Inspecting apparatus capable of accurately inspecting an object |
| 09/18/1990 | US4958076 Selective natural gas detecting apparatus |
| 09/18/1990 | US4958075 Gas analyzer |
| 09/18/1990 | US4957370 Method and apparatus for determining the degree of oxidation of an oxide coating |
| 09/18/1990 | US4957368 Apparatus and process for performing ellipsometric measurements of surfaces |
| 09/18/1990 | US4957367 Inteferometric imaging system |
| 09/18/1990 | US4957366 Fluorescence spectrophotometer and wavelength setting method therefor |
| 09/18/1990 | US4957363 Apparatus for measuring characteristics of particles in fluid by detecting light scattered at the particles |
| 09/18/1990 | US4957000 Apparatus for obtaining information on the interior of an object |
| 09/17/1990 | CA2012351A1 Measurement of fiber orientation |
| 09/16/1990 | CA2012148A1 Infrared spectrometer |
| 09/16/1990 | CA2010868A1 Pressure-modulated infrared gas analyzer and method |
| 09/15/1990 | CA2012188A1 Method and apparatus to measure mercury density in a flow reactof used for hg-196 isotope separation |
| 09/15/1990 | CA2012179A1 On-line method of determining utilization factor in hg-196 photochemical separation process |
| 09/14/1990 | WO1990010851A1 A method for distinguishing overlapping absorption bands of an infrared spectrum from one another |
| 09/14/1990 | CA2050313A1 Method for distinguishing overlapping absorption bands of an infrared spectrum from one another |
| 09/13/1990 | DE4000058A1 Polarisation optical indication of subtraction position - using polarisation microscope and interference strips produced by optical element |
| 09/13/1990 | DE3941726A1 Raster microscopic recording of fluorescence decay time - by measuring amplitudes of DC and HF modulated components of fluorescent light stimulated by modulated laser beam |
| 09/13/1990 | CA2010165A1 Compact semi-programmable device for reading reagent test strips and method relating thereto |
| 09/12/1990 | EP0386925A1 Capillary zone electrophoresis cell system |
| 09/12/1990 | EP0386924A2 A work station for orientation of a workpiece |
| 09/12/1990 | EP0386521A1 Apparatus for the electrothermal atomization of samples for spectroscopic purposes |
| 09/12/1990 | EP0386180A1 Multi-label time-resolved fluorescence analysis of nucleic acid sequences using lanthanide chelates |
| 09/12/1990 | EP0386154A1 Device for inspecting webs of material travelling at high speed. |
| 09/12/1990 | EP0386072A1 Method for determining the concentration of oxygen. |
| 09/12/1990 | EP0386063A1 Portable particle analysers |
| 09/12/1990 | EP0229153B1 Heat sealing method and apparatus |
| 09/12/1990 | CN1009576B Preparation method of reagent for testing iodine contained in salt |
| 09/12/1990 | CN1009575B Photoelectric smoke sensor |
| 09/12/1990 | CN1009574B Process for determining oxidation character of similar plastic articles |
| 09/11/1990 | US4956480 7-amino-4-methyl-coumarin-3-carboxyalkyl derivates and fluorescent conjugates thereof |
| 09/11/1990 | US4956477 Synthesis of 1,2-dioxetanes |
| 09/11/1990 | US4955946 Respiratory CO2 detector circuit with high quality waveform |
| 09/11/1990 | US4955720 On-line fiber orientation distribution measurement |
| 09/11/1990 | US4955717 Demand modulated atomization apparatus and method for plasma spectroscopy |
| 09/11/1990 | CA1273985A1 Radiation-resistant color television camera for inspections in radioactive environments |
| 09/11/1990 | CA1273833A1 Optical fibers in a double beam spectrometer |
| 09/11/1990 | CA1273820A1 Color measuring and control device |
| 09/11/1990 | CA1273819A1 Method and apparatus for double modulation spectroscopy |
| 09/11/1990 | CA1273818A1 Measurement of optical density via nephelometry |
| 09/08/1990 | WO1990010875A1 Analyzer of liquid sample and analyzing method of liquid sample using said analyzer |
| 09/08/1990 | CA2028829A1 Analyzer of liquid sample and analyzing method of liquid sample using said analyzer |
| 09/07/1990 | WO1990010273A1 Process and arrangement for automatic optical classification of plants |
| 09/07/1990 | WO1990010219A1 Improvements in diagnosis by means of fluorescent light emission from tissue |
| 09/07/1990 | WO1990010218A1 Method and apparatus for determining non-triglycerides in oils |
| 09/07/1990 | WO1990010215A1 Particle size analysis utilizing polarization intensity differential scattering |
| 09/05/1990 | EP0385805A2 Signal processing method and apparatus |
| 09/05/1990 | EP0385625A2 Method and apparatus for inspection of substrates |
| 09/05/1990 | EP0385474A2 Method of and apparatus for inspecting printed circuit boards |
| 09/05/1990 | EP0385256A2 Two-wavelength type respiratory gas concentration measuring apparatus |
| 09/05/1990 | EP0385173A1 Non-dispersive infrared gas analyser |
| 09/05/1990 | EP0385035A2 High-pressure crystallographic observation apparatus |
| 09/05/1990 | EP0311655A4 Multi-part differential analyzing apparatus utilizing light scatter techniques |
| 09/05/1990 | CN2061692U Liquid optoacoustic sensor |
| 09/05/1990 | CN1009490B Improved automatic acousto-optic infra-red analyzer system for monitoring stack emissions |
| 09/05/1990 | CN1009489B Photoacoustic effect-type analyzer |
| 09/05/1990 | CA2011362A1 Work station for orientation of a workpiece |
| 09/04/1990 | US4954891 Light guided illuminating/sectioning device for sheet inspection system |
| 09/04/1990 | US4954723 Disk surface inspection method and apparatus therefor |
| 09/04/1990 | US4954718 Circuit arrangement for driving a pulse-modulated infrared-radiation source |
| 09/04/1990 | US4954714 Apparatus for time-resolved photography of fluorescence |