| 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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| 09/30/1986 | US4614434 Double multichromatic photometer with a single light-source and a single detector, particularly for performing chemical and clinical analyses | 
| 09/30/1986 | US4614430 Method of detecting pattern defect and its apparatus | 
| 09/30/1986 | US4614429 Atmospheric contrast transmittance monitor | 
| 09/30/1986 | US4614428 High-temperature, high-pressure optical cell | 
| 09/30/1986 | US4614427 Automatic contaminants detection apparatus | 
| 09/25/1986 | WO1986005589A1 Fibre optic chemical sensor | 
| 09/25/1986 | WO1986005588A1 Diffractosight improvements | 
| 09/25/1986 | WO1986005587A1 Laser-based wafer measuring system | 
| 09/25/1986 | WO1986005525A1 Method and apparatus for detecting contamination in paper pulp | 
| 09/24/1986 | EP0195769A2 Cuvette for the measurement of spectres from gases or vapours | 
| 09/24/1986 | EP0195685A2 A method and apparatus for the detection and measurement of gases | 
| 09/24/1986 | EP0195648A2 Diodes with chemically sensitive luminescence | 
| 09/24/1986 | EP0195623A2 Stabilized fluorescent rare earth labels and labeled physiologically reactive species | 
| 09/24/1986 | EP0195488A2 Spectrometer | 
| 09/24/1986 | EP0195413A2 Substituted pyridine derivatives | 
| 09/24/1986 | EP0195339A2 Spectrophotometer | 
| 09/24/1986 | EP0195179A1 Process photometer for continuous measurement of concentrations | 
| 09/24/1986 | EP0195039A1 Measurement arrangement for analysing electromagnetic radiation. | 
| 09/24/1986 | CN86101697A Method of performing biological analysis on immunological reaction, and apparatus for performing the method | 
| 09/23/1986 | US4613938 Present weather observing system utilizing particulate size and velocity measurements | 
| 09/23/1986 | US4613574 Calibrated precipitate to determine eye irritating properties | 
| 09/23/1986 | US4613235 Method and apparatus for measuring gloss which correlates well with visually estimated gloss | 
| 09/17/1986 | EP0194882A2 Optical tube inspection apparatus | 
| 09/17/1986 | EP0194732A2 Sensor for the measurement of the refractive index of a fluid and/or phase boundary between two fluids by means of visible or invisible light | 
| 09/17/1986 | EP0194492A2 In-situ analysis of a liquid conductive material | 
| 09/17/1986 | EP0194463A2 Method for continuously measuring the partial pressure of gases and vapours | 
| 09/17/1986 | EP0194331A1 Inspecting device for print | 
| 09/16/1986 | US4612289 Method for analyzing liquid sample | 
| 09/16/1986 | US4611920 Device for measuring extremely diminished intensity of light | 
| 09/10/1986 | EP0194229A2 Method for illuminating an object | 
| 09/10/1986 | EP0194132A2 Imaging immunoassay detection system and method | 
| 09/10/1986 | EP0194105A2 Oximeter | 
| 09/10/1986 | EP0194104A2 Apparatus for automatically inspecting electrical connecting pins | 
| 09/10/1986 | EP0194102A2 Luminescence measuring arrangement | 
| 09/10/1986 | EP0194096A2 Cleaved-coupled-cavity-laser-driven system for measuring small signals | 
| 09/10/1986 | EP0193895A2 An improved luminescent assay | 
| 09/10/1986 | EP0193868A2 Measurement of optical density via nephelometry | 
| 09/10/1986 | EP0193821A2 In-situ analysis of a liquid conductive material | 
| 09/10/1986 | EP0193786A1 Device for irradiating containers | 
| 09/10/1986 | EP0193590A1 Apparatus for sensing the condition of a document. | 
| 09/10/1986 | CN86101953A Rapid colorimetric estimation and automatic measuring device of total cyanogen | 
| 09/10/1986 | CN85103001A Combined measuring instrument of magneto-optical effect | 
| 09/09/1986 | US4610707 Fiber glass strands | 
| 09/09/1986 | US4610542 System for detecting selective refractive defects in transparent articles | 
| 09/09/1986 | US4610541 Foreign substance inspecting apparatus | 
| 09/09/1986 | US4610511 Assembly and method for producing specific optical interference patterns | 
| 09/09/1986 | US4610157 Surface penetrant inspection test piece having varying thickness plating | 
| 09/09/1986 | CA1210955A1 Method for calibrating a reflectometer containing black and white references displaced from the sample position | 
| 09/03/1986 | EP0193403A1 Birdswing defect detection for glass containers | 
| 09/03/1986 | EP0193308A1 Method and apparatus for detecting and removing foreign material from a stream of particulate matter | 
| 09/03/1986 | EP0193163A2 Device for determining an acute sun-protection factor | 
| 09/03/1986 | EP0193152A2 Apparatus for monitoring a washing solution containing surfactants | 
| 09/03/1986 | EP0193061A2 Viability test device | 
| 09/03/1986 | EP0193037A2 The use of a chemically sensitive construction element | 
| 09/03/1986 | EP0193036A2 Use of an optical filter with a reversible change of colour | 
| 09/03/1986 | EP0192968A2 Reagent handling | 
| 09/03/1986 | EP0192919A1 Method and device for quantitatively determining gaseous combustion components | 
| 09/03/1986 | EP0192720A1 Vat for immunoenzymologic dosing | 
| 09/03/1986 | CN85205780U Remote sensing-type photoelectric smoke-measuring instrument | 
| 09/03/1986 | CN85108151A Improved system for changing oxidants in a flame atomic absorption spectrophotometer | 
| 09/03/1986 | CN85108054A Arrangement for perspective container | 
| 09/02/1986 | US4609991 Automated system for determining the molecular weight and/or concentration of macromolecules via sedimentation equilibrium | 
| 09/02/1986 | US4609821 Testing for the presence of native hydrocarbons down a borehole | 
| 09/02/1986 | US4609628 Method for determining binder content and degree of cure in a fibrous mat | 
| 09/02/1986 | US4609426 Spectral emittance of gas plasma | 
| 09/02/1986 | US4609289 Spectrometer | 
| 09/02/1986 | US4608990 Measuring skin perfusion | 
| 09/02/1986 | CA1210607A1 Fluorometric assay | 
| 08/28/1986 | WO1986004988A1 Fluorimetric arrangement | 
| 08/27/1986 | EP0192487A2 Vessel opening top inspection apparatus | 
| 08/27/1986 | EP0192201A2 Optimization apparatus and procedure | 
| 08/27/1986 | EP0192013A2 Method for measuring the concentration of a gas, and device for carrying out this method | 
| 08/27/1986 | CN85108152A Fluid flow control system | 
| 08/27/1986 | CN85108149A Safety apparatus for an atomic absorption spectrophotometer burner | 
| 08/27/1986 | CN85108148A Method and apparatus for shutting down the burner of a flame atomic absorption spectrophotometer | 
| 08/27/1986 | CN85107245A Method for avoiding identifying perimeter variations as blemishes in a ccd imageer | 
| 08/26/1986 | US4608344 Measurement of rate of combination with or dissociation from a reactant | 
| 08/26/1986 | US4607955 Stock consistency transmitter | 
| 08/26/1986 | US4607925 In-pipe inspection system | 
| 08/26/1986 | US4607915 Light absorbers | 
| 08/26/1986 | CA1210506A1 Fabric flaw related system | 
| 08/26/1986 | CA1210472A1 Optical inspection system | 
| 08/26/1986 | CA1210328A1 Method and composition for the evaluation of phagocytic response | 
| 08/21/1986 | EP0175758A4 Electrophoretic light scattering apparatus and process. | 
| 08/21/1986 | EP0172892A4 Method and device employing photoresponsive semiconductor electrode for determining analyte. | 
| 08/20/1986 | EP0191650A2 Sealing device for analytical slide | 
| 08/20/1986 | EP0191588A2 Distributed sensor and method using coherence multiplexing of fiber-optic interferometric sensors | 
| 08/20/1986 | EP0191575A1 Homogeneous fluorescence immunoassay using a light absorbing material | 
| 08/20/1986 | EP0191257A1 Dynamic pipetting rotor for a centrifugal-analysis device | 
| 08/19/1986 | US4606718 Method and apparatus for shutting down the burner of a flame atomic absorption | 
| 08/19/1986 | US4606645 Method for determining localized fiber angle in a three dimensional fibrous material | 
| 08/19/1986 | US4606644 Gas measuring apparatus with means to reduce thermal radiation effects | 
| 08/19/1986 | US4606641 Apparatus for measuring film thickness | 
| 08/19/1986 | US4606635 Defect detecting method and system | 
| 08/19/1986 | US4606634 System for detecting selective refractive defects in transparent articles | 
| 08/19/1986 | US4606633 Test method for evaluating faults on printed sheets and webs and apparatus for performing the method | 
| 08/19/1986 | US4606631 Particle counter | 
| 08/19/1986 | US4606351 Hermetic sealed, light permeable membrane enclosing a liquid crystal | 
| 08/19/1986 | CA1210154A1 Characterizing and handling multi-component substances | 
| 08/19/1986 | CA1209820A1 Photometrical measurement and cuvette for performing it |