| 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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| 03/24/1993 | CN2128735Y Photoelectric determination meter for red blood cell centralization |
| 03/24/1993 | CN1070266A Double-beam compensating turbidimeter |
| 03/24/1993 | CN1020168C Determination method of nitrite radical ions |
| 03/24/1993 | CA2078183A1 Fluorescence analyzer for lignin |
| 03/24/1993 | CA2078152A1 Fluorescence analyzer for lignin |
| 03/23/1993 | US5197105 Method of reading optical image of inspected surface and image reading system employabale therein |
| 03/23/1993 | US5196966 Method and implement for observing or photographing gem such as diamond |
| 03/23/1993 | US5196906 Modular scatterometer with interchangeable scanning heads |
| 03/23/1993 | US5196901 Discriminating surface contamination monitor |
| 03/23/1993 | US5196898 Optical liquid sensor, a method of manufacturing the same, and an automotive oil/battery checker employing the sensor |
| 03/23/1993 | US5196716 Method and apparatus for measuring internal defects for position and depth |
| 03/23/1993 | US5196715 Optical surface inspection of web with streak signal generating means |
| 03/23/1993 | US5196709 Fluorometry method and apparatus using a semiconductor laser diode as a light source |
| 03/23/1993 | US5196350 Ligand assay using interference modulation |
| 03/23/1993 | US5196347 Method for measuring oxygen concentration |
| 03/23/1993 | US5196312 Coloeimetric analysis, aniline promoter |
| 03/23/1993 | US5196170 Carbon particulate monitor |
| 03/23/1993 | US5196169 Method and system for determining free fatty acid content |
| 03/23/1993 | US5195821 Electronic-component mounting apparatus with laser monitoring device |
| 03/23/1993 | US5195392 Internal pipe inspection system |
| 03/23/1993 | US5195356 Test assembly for flue gas monitors |
| 03/23/1993 | CA1314795C Test carrier for the analytical determination of components of body fluids |
| 03/23/1993 | CA1314743C Waveguide sensor |
| 03/21/1993 | CA2051977A1 Method for measuring the fibre orientation anisotropy in a fibrous structure |
| 03/20/1993 | CA2078493A1 Optical photometry system |
| 03/19/1993 | CA2078305A1 Dual optic video display bearing inspection system |
| 03/18/1993 | WO1993005386A1 Process for large surface measurement of the amount of thawing agents on traffic areas |
| 03/18/1993 | WO1993005385A1 Optical instrument and conveyor for automated optical inspection machine and methods of operation |
| 03/18/1993 | WO1993005384A1 A method and arrangement for determining fibre properties by near-infrared-spectroscopy |
| 03/18/1993 | WO1993005376A1 Fiber optic probe and method for detecting optically active materials |
| 03/18/1993 | WO1993005359A1 Measurement method and apparatus |
| 03/18/1993 | WO1993005142A1 Apparatus for monitoring liquids |
| 03/18/1993 | WO1993005049A1 Rare earth macrocyclic complexes and use thereof for reduction of disturbances in an assay using fluorescence |
| 03/18/1993 | DE4130639A1 Verfahren zur quantitativen und qualitativen erfassung von kohlenwasserstoffhaltigen russschwebeteilchen in gasen A method for quantitative and qualitative detection of hydrocarbon gases in russschwebeteilchen |
| 03/18/1993 | DE4130586A1 Determining particle size concentrations in airborne dust - measuring different contributions of refraction, diffraction and reflection in very narrow forward scattering angle in near infrared |
| 03/18/1993 | CA2116874A1 Optical methods and apparatus |
| 03/18/1993 | CA2116456A1 A method and arrangement for determining fibre properties by near-infrared-spectroscopy |
| 03/18/1993 | CA2112106A1 Fiber optic probe and method for detecting optically active materials |
| 03/17/1993 | EP0532259A2 A method of and an apparatus for picking up an image of the surface of an object to be inspected |
| 03/17/1993 | EP0532216A1 Direct sampling of engine emissions for instantaneous analysis |
| 03/17/1993 | EP0532169A1 Optical Inspection Probe |
| 03/17/1993 | EP0531994A1 Reaction apparatus for biochemical examination |
| 03/17/1993 | EP0531894A1 Method and apparatus for classifying and cleaning of yarns |
| 03/17/1993 | EP0531727A1 Chemiluminescent lighting element |
| 03/17/1993 | EP0531694A2 Method and apparatus for detecting the presence of carbon dioxide in a sample |
| 03/17/1993 | EP0531468A1 On-line process control monitoring system |
| 03/17/1993 | EP0531373A1 Dispersion photometer, in particular for the kinetic determination of total proteins. |
| 03/17/1993 | EP0531354A1 Process for the measurement of the thickness and refractive index of a thin film on a substrate, and a device for carrying out the process. |
| 03/17/1993 | EP0493484A4 Method and apparatus for detection of an analyte |
| 03/17/1993 | CN1020126C Precision determination of the strength of a dye |
| 03/16/1993 | US5195162 Planar polymer light guide methods and apparatus |
| 03/16/1993 | US5194949 Video densitometer |
| 03/16/1993 | US5194916 Fluorescence spectrophotometer |
| 03/16/1993 | US5194915 Photometric apparatus and process |
| 03/16/1993 | US5194914 Furnace for the electrothermal atomization of samples in atomic absorption spectroscopy |
| 03/16/1993 | US5194913 Fiber-optic apparatus and method for measurement of luminescence and raman scattering |
| 03/16/1993 | US5194912 Raman analysis apparatus |
| 03/16/1993 | US5194911 Method and apparatus for determining the quantity of material transported within a fibre band or sliver |
| 03/16/1993 | US5194910 Use of optical spectrometry to evaluate the condition of used motor oil |
| 03/16/1993 | US5194731 Inductively coupled plasma spectroscopy |
| 03/16/1993 | US5194393 Optical biosensor and method of use |
| 03/16/1993 | US5193685 Gemstone sorting apparatus and methods |
| 03/16/1993 | CA1314636C Atmospheric pressure capacitively coupled plasma atomizer for atomic absorption and emission spectroscopy |
| 03/16/1993 | CA1314600C Method and apparatus for inspection of a transparent container |
| 03/16/1993 | CA1314464C Method of determining a biological substance involving labelling with a metal chelate |
| 03/16/1993 | CA1314463C Probe for measuring oxygen concentration |
| 03/16/1993 | CA1314408C System for sensing ions in aqueous solution |
| 03/16/1993 | CA1314406C Measuring apparatus for enzyme reaction rates |
| 03/14/1993 | CA2078033A1 Chemiluminescent lighting element |
| 03/10/1993 | EP0531167A2 Electrostatic voltmeters readings of toner test patches for adjusting IR densitometer readings of developed test patches |
| 03/10/1993 | EP0531160A2 Toner dispensing rate adjustment |
| 03/10/1993 | EP0531067A1 Monitoring film fouling in a process stream |
| 03/10/1993 | EP0530934A1 Method for recovering pure fractions of plastics |
| 03/10/1993 | EP0530922A2 Method and apparatus for object inspection |
| 03/10/1993 | EP0530818A2 Multiangular color measuring apparatus |
| 03/10/1993 | EP0530584A2 Arrangement for measuring exhaust gases in combustion engines |
| 03/10/1993 | EP0530492A1 Method for detecting flaws in a textile web |
| 03/10/1993 | EP0530309A1 Gas analyzers |
| 03/10/1993 | EP0530304A1 Internal pipe inspection system |
| 03/10/1993 | EP0530262A1 Optical probe. |
| 03/10/1993 | EP0530252A1 Aminoalkylcarbamyl derivatives of forskolin as intermediates for the synthesis of useful forskolin derivatives |
| 03/10/1993 | EP0435998A4 Method of detecting a substance using enzymatically-induced decomposition of dioxetanes |
| 03/10/1993 | EP0390825B1 Device for optically scanning the surface of an object |
| 03/10/1993 | EP0290540B1 A method of measuring meat texture |
| 03/10/1993 | EP0198011B1 Field assay for ligands |
| 03/10/1993 | CN2128005Y Air circulation type artificial plate methanal spraying tester |
| 03/10/1993 | CN1069806A 原位红外光谱样品池 In situ FTIR sample pool |
| 03/10/1993 | CN1020055C Simple fire detector |
| 03/09/1993 | US5192983 Apparatus for and method of checking external appearance of soldering state |
| 03/09/1993 | US5192870 Optical submicron aerosol particle detector |
| 03/09/1993 | US5192693 Colorimetric |
| 03/09/1993 | US5192692 Photoelectric scanning to produce two-dimensional image signal; blood; medical diagnosis |
| 03/09/1993 | US5192510 Apparatus for performing fluorescent assays which separates bulk and evanescent fluorescence |
| 03/09/1993 | US5192502 Immunoassay, fluorescence, transparent plates coated with opaque or light-absorbing material |
| 03/09/1993 | US5192500 Firefighter safety badge |
| 03/09/1993 | US5191784 Opto-electronic gas sensor |
| 03/09/1993 | CA1314334C Method and system of geophysical exploration |
| 03/09/1993 | CA1314153C Measuring head |
| 03/05/1993 | CA2077524A1 Process for recovering sorted plastic fractions |
| 03/05/1993 | CA2077498A1 Multiangular color measuring apparatus |