| 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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| 03/20/1990 | US4909630 Method and device for determining the change in thickness and/or orientation within a strip of optically active material |
| 03/20/1990 | CA1266826A1 Immunoassay apparatus |
| 03/20/1990 | CA1266785A2 Optical measuring device using a spectral modulation sensor having an optically resonant structure |
| 03/15/1990 | DE3912046A1 New luminescent dyes - of cyanine, merocyanine or styryl type, contg. sulpho gps., useful for labelling components in aq. media |
| 03/15/1990 | DE3830834A1 Method and device for dispersive, spectrally fully resolved optical gas analysis with suppressed cross-sensitivity |
| 03/14/1990 | EP0358575A2 On-line paper sheet formation characterizing method and device |
| 03/14/1990 | EP0358507A2 Measurement system for scattering of light |
| 03/14/1990 | EP0358236A2 Method of measuring period of surface defect |
| 03/14/1990 | EP0358212A2 Reactive gas sample introduction system for an inductively coupled plasma torch |
| 03/14/1990 | EP0358206A2 Method and device for the analysis of mercury |
| 03/14/1990 | EP0358203A1 Fiber optic prove for measuring reflectance spectrum |
| 03/14/1990 | EP0358102A2 Polarimeter |
| 03/14/1990 | EP0357754A1 Arrangement for determining wavelength or refractive index |
| 03/14/1990 | EP0357731A1 A novel spectrofluorometric method and compounds that are of value for the method. |
| 03/14/1990 | EP0357679A1 Fiber optic which is an inherent chemical sensor |
| 03/14/1990 | EP0357668A1 Process and device for determining the soot content of flue gases. |
| 03/14/1990 | EP0357625A1 Assay apparatus and use thereof. |
| 03/14/1990 | EP0187853B1 Electro-optical device and method for monitoring singlet oxygen produced photoradiation using pulsed excitation and time domain signal processing |
| 03/14/1990 | CN1040436A Fatness measuring instrument of live pigs |
| 03/14/1990 | CN1040435A Method and apparatus for spectroscopic quantitative analysis of gases in gas mixtures |
| 03/14/1990 | CN1040344A Method and arrangement for determining surface-covering of primary colours |
| 03/13/1990 | US4908871 Pattern inspection system |
| 03/13/1990 | US4908762 Oximeter with system for testing transmission path |
| 03/13/1990 | US4908703 Method of measuring meat texture |
| 03/13/1990 | US4908676 Sensors for dissolved substances in fluids |
| 03/13/1990 | US4908517 Apparatus for examining the surface of a substrate |
| 03/13/1990 | US4908508 Process and apparatus for determining thicknesses of layers |
| 03/13/1990 | US4908507 Process and apparatus for the integral optical examinations of damaging mechanical stresses in the bottom-part of bottles and hollow glassware |
| 03/13/1990 | US4907888 Non destructive testing and other applications using retroreflective illumination |
| 03/13/1990 | US4907884 Sample cell monitoring system |
| 03/13/1990 | US4907883 High-temperature laser induced spectroscopy in nuclear steam generators |
| 03/13/1990 | US4907878 Device for discriminating fluids having different refractive indices and device for measuring the voluminal fraction of at least one fluid of a current of non-mixible fluids incorporating the discrimination device |
| 03/13/1990 | US4907876 Examination apparatus for measuring oxygenation in body organs |
| 03/13/1990 | US4907875 Diamond separation process |
| 03/13/1990 | US4907857 Optical fiber distribution system for an optical fiber sensor |
| 03/13/1990 | US4907701 Apparatus for inspecting the appearance of semiconductor devices |
| 03/13/1990 | US4907607 Process and device for testing cigarettes or the like for faults |
| 03/08/1990 | WO1990002412A1 Compound application detector |
| 03/08/1990 | WO1990002329A1 Smog monitor |
| 03/08/1990 | WO1990002326A1 Optical fluid analysis imaging and positioning |
| 03/08/1990 | WO1990002322A1 Parameter measurement using refractive index change |
| 03/08/1990 | WO1990002310A1 Apparatus and method for inspecting glass sheets |
| 03/08/1990 | DE3923869A1 Gloss and colour difference determn. - by alternating laser beam and polychromatic irradiation and assessment of reflection |
| 03/07/1990 | EP0357586A2 Process for the quantitative determination of at least one parameter of a liquid or gaseous sample |
| 03/07/1990 | EP0356680A1 Optical recording apparatus for an image-processing system |
| 03/07/1990 | EP0356566A1 Method and apparatus for electrothermal atomization of samples |
| 03/07/1990 | EP0356463A1 Interconnect verification using serial neighborhood processors |
| 03/06/1990 | USH755 Optical remote diagnostics of atmospheric propagating beams of ionizing radiation |
| 03/06/1990 | US4907166 Multichannel gas analyzer and method of use |
| 03/06/1990 | US4907037 Active chemical transducer with optical fibres and reagent supporting means |
| 03/06/1990 | US4907036 Densitometer for photography |
| 03/06/1990 | US4906844 Phase sensitive optical monitor for thin film deposition |
| 03/06/1990 | US4906582 Emission analysis method with inductively-coupled radio frequency plasma and apparatus for use in such method |
| 03/06/1990 | US4906249 Terpolymer composition with bound indicator dye for fiber optic probe |
| 03/06/1990 | US4906101 Turbidity measuring device and method |
| 03/06/1990 | US4906100 Method of detecting adriamycin (doxorubicin) or daunomycin in the environment |
| 03/06/1990 | US4906099 Methods and apparatus for optical product inspection |
| 03/06/1990 | US4906095 Apparatus and method for performing two-frequency interferometry |
| 03/06/1990 | US4906094 Fine particle measuring method and system and a flow cell for use in the system |
| 03/06/1990 | US4906093 Illuminator for the spectroscopic observation of minerals, gems, etc. |
| 03/06/1990 | CA1266420A1 Processor card for centrifuge |
| 03/01/1990 | DE3830002A1 Device for a movable cuvette for comparative reflection spectroscopic measurements |
| 03/01/1990 | DE3828604A1 Method and device for the measurement of the optical attenuation of an optical medium |
| 02/28/1990 | EP0356418A2 Method for the determination of an enzyme substrate concentration, and sensor therefor |
| 02/28/1990 | EP0355849A2 Method and apparatus for automatic measurement of fluorescence |
| 02/28/1990 | EP0355738A2 Fluorophotometer for use in automatic equipment of chemical analysis for measuring the intensity of fluorescence in the automatic equipment |
| 02/28/1990 | EP0355643A2 Process for sensing the flooding of a surface |
| 02/28/1990 | EP0355340A1 Process for producing structures by bonding together synthetic corundum single crystals |
| 02/28/1990 | CN1007015B Method and apparatus for the detection and measurement of gases |
| 02/28/1990 | CN1007014B Specific light intensity determination method with optical rotation and high-speed sugar-inspection apparatus |
| 02/27/1990 | US4905170 Method and apparatus of determining optical constants of amorphous semiconductors and dielectrics |
| 02/27/1990 | US4905005 Logarithmic converters and their application to the measurement of transmitted light |
| 02/27/1990 | US4904877 Optical scanning apparatus for detecting faults in transparent material wherein the plane of incident light is arranged at the breuster angle to the normal to the surface |
| 02/27/1990 | US4904875 Facial tissue splice detector system |
| 02/27/1990 | US4904080 Method of monitoring solidification of a liquid composition |
| 02/27/1990 | US4903528 System and process for detecting properties of travelling sheets in the cross direction |
| 02/27/1990 | US4903374 Apparatus for determining quantities of fiber conveyed through a duct |
| 02/27/1990 | CA1266195A1 Waveguide to be used as optical probe in multiple internal reflection spectroscopic analysis |
| 02/22/1990 | WO1990001697A1 Blood glucose monitoring |
| 02/22/1990 | WO1990001693A1 Optical inspection of food products |
| 02/22/1990 | WO1990001692A2 Electro-optical measuring instruments |
| 02/22/1990 | WO1990001691A1 Particle assay |
| 02/22/1990 | WO1990001370A1 Microtitration plate and process for the quantitation of the state or changes of state of inhomogeneous samples |
| 02/22/1990 | WO1989010549A3 Radiation/microbe bioassay |
| 02/21/1990 | CN1039901A Apparatus for performing biological analyses by chemical reaction on serum |
| 02/21/1990 | CN1039900A Miniature laboratory for performing biological analyses by chemical reaction on sample for blood |
| 02/21/1990 | CN1039898A Device for performing biological analyses by immuno-enzymatic detection of antibodies or antogens in serum |
| 02/20/1990 | US4903248 Photo-acoustic detector |
| 02/20/1990 | US4902896 Infrared fluid analyzer |
| 02/20/1990 | US4902624 Rapid thermal processing of dna strands through a multizonal cycle at controlled temperature |
| 02/20/1990 | US4902479 Circumferential array of elongated radial extending cuvettes; prebention of mixing due to wicking |
| 02/20/1990 | US4902478 Indicator sheet for an autoclave test pack |
| 02/20/1990 | US4902137 Method and apparatus for the determination of foreign bodies in fluids |
| 02/20/1990 | US4902135 Object movement measuring apparatus |
| 02/20/1990 | US4902134 Optical amplifier and method for amplifying optical polarization state change effects |
| 02/20/1990 | US4902132 Automated capillary scanning system |
| 02/20/1990 | US4902131 Surface inspection method and apparatus therefor |
| 02/20/1990 | US4902099 Trace element spectrometry with plasma source |
| 02/20/1990 | US4901865 Capsule-inspection apparatus |
| 02/20/1990 | US4901862 Inspection apparatus for flanged or curled open end parts of cans |