Patents
Sitemap › G01 - Measuring; Testing › G01N - Investigating or analysing materials by determining their chemical or physical properties › G01N 21 - Investigating or analysing materials by the use of optical means, i.e. using infra-red, visible, or ultra-violet light
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)
12/1991
12/11/1991EP0378575A4 Asymmetric purge air system for cleaning a lens
12/11/1991CN2090531U Photometric analyzer with four element synchronous flow injection function
12/11/1991CN2090530U Gloss meter
12/10/1991US5072128 Defect inspecting apparatus using multiple color light to detect defects
12/10/1991US5072127 Engineered video inspecting lighting array
12/10/1991US5072113 Polarimetric fibre-optic sensor having deformation means
12/10/1991US5072108 Foreign object detecting method and device
12/10/1991US5072107 Apparatus for examining the mouths of bottles or the like
12/10/1991US5071624 System for introducing a sample substance into a spectroscopical analytical instrument
12/10/1991US5071623 Water solubility carboxymethyl cellulose and wood pulp with on e or more reagants
12/10/1991US5071249 Light waveform measuring apparatus
12/10/1991US5071248 Optical sensor for selective detection of substances and/or for the detection of refractive index changes in gaseous, liquid, solid and porous samples
12/10/1991US5071247 Method for analysis of blood platelet aggregations and apparatus therefor
12/10/1991US5070733 Photoacoustic imaging method
12/10/1991CA1293055C On-machine sheet material property analysis
12/10/1991CA1292887C Method in the bleaching of cellulose pulp
12/08/1991CA2041456A1 Method of and an equipment for optical inspection of strip and sheet products
12/05/1991DE4116280A1 Photo-acoustic-type gas analyser - includes resistance flow sensor, esp. for carbon di:oxide determn.
12/05/1991DE4037347C1 Detecting liq. substances by optical signals - imaging dispersed beam by substance in cuvette in-front of photosensitive line of sensors
12/04/1991EP0459858A1 Apparatus and equipment for crystal growth with observation means
12/04/1991EP0459846A2 Probe for monitoring the turbidity of water
12/04/1991EP0459677A2 Selective, high speed detection of vapors with analysis of multiple GC-separated portions
12/04/1991EP0459489A2 Method of reading optical image of inspected surface and image reading system employable therein
12/04/1991EP0459214A1 Fluorescence detection type gel electrophoresis
12/04/1991EP0459196A1 Fluoromethylated polycyanobenzenes, their addition compounds with alkalicyanides, process for their preparation and utilisation of the fluoromethylated polycyanobenzenes
12/04/1991EP0458900A1 Reservoir fiber optic chemical sensors
12/04/1991EP0279840B1 Optical analysis
12/04/1991CN2090058U Pocket chlorine residual chromometer
12/04/1991CN2090057U Consentration survey device
12/03/1991USH999 Transparency distortion measurement process
12/03/1991US5070455 Imaging system and method using scattered and diffused radiation
12/03/1991US5070300 Apparatus for measuring breakdown plasma
12/03/1991US5070246 Spectrometer for measuring the concentration of components in a fluid stream and method for using same
12/03/1991US5070245 Apparatus and method for the identification of gases
12/03/1991US5070244 Gas detection by infrared absorption
12/03/1991US5070243 Attenuated total reflection spectroscopy
12/03/1991US5070242 Apparatus and method for transient thermal infrared spectrometry
12/03/1991US5070237 Optical measurement and detection system
12/03/1991US5069879 Computerized
12/03/1991US5069769 Automatic analysis of dna sequences
12/03/1991US5069552 Sensor-holding device
12/03/1991US5069551 Method and apparatus of measuring unburned carbon in fly ash
12/03/1991US5069546 Atmospheric pressure capacitively coupled plasma spectral lamp
12/03/1991CA1292665C Fiber optic probe for quantification of colorimetric reactions
12/03/1991CA1292628C In situ particle size measuring device
12/03/1991CA1292627C Luminometer construction
12/02/1991CA2026362A1 Detection process and apparatus for metal adulterant in water
12/01/1991CA2041791A1 Crystallization device and apparatus having observation means
11/1991
11/30/1991CA2043328A1 Selective, high speed detection of vapors with analysis of multiple gc-separated portions
11/29/1991WO1991019186A1 On-line micro formation sensor
11/28/1991WO1991018289A1 Robotic microscope
11/28/1991WO1991018283A1 Interference removal
11/28/1991WO1991018143A1 Fabric fault inspection apparatus
11/28/1991WO1991018007A1 Phthalocyanatopolyethylene glycol, and phthalocyanato saccharides as fluorescent digoxin reagents
11/28/1991WO1991017697A1 Non-invasive medical sensor
11/28/1991DE4017063A1 Optical detector for foreign bodies or coatings on transparent plate - has carrier with optical window, light source, receiver and vacuum mounting for transparent material
11/28/1991DE4016993A1 Biocidal fluoromethyl cyano:benzene derivs. - esp. insecticides and fungicides prepd. via intermediate adduct salts
11/28/1991DE4016617A1 Holder plate e.g. for blood samples - used with structured second plate to form gaps of variable vol. allowing use of small samples
11/28/1991DE4014739A1 Physical parameter measurement arrangement for pipe flowing liq. - has measurement element in high flow speed region to prevent solid deposits
11/27/1991EP0458672A1 Diamond-Anvill cell and device for observation and analysing samples at very high pressures
11/27/1991EP0458601A1 Method of and apparatus for measuring spectral absorption in opaque specimens and method of and apparatus for measuring microscopic absorption distribution
11/27/1991EP0458582A2 Method for determining and controlling fiber luster properties
11/27/1991EP0458474A1 Detecting the presence of a modifier in a substrate surface
11/27/1991EP0458418A2 Method and apparatus for measuring internal defects
11/27/1991EP0458223A2 Apparatus for measuring the absorption of transparent probes having an unfavourable form
11/27/1991EP0458199A2 Laser processing device and laser processing method
11/27/1991EP0458138A2 Slide analysis system
11/27/1991EP0458010A1 Procedure and equipment for analysing samples by means of atomic absorption spectroscopy
11/27/1991EP0457843A1 Method and apparatus for measuring registration between layers of a semiconductor wafer.
11/27/1991CN1056579A Reflection-type optical fibre sensor for detecting alcohol in water
11/26/1991US5068810 Process for the determination of colorimetric differences between two screen pattern fields printed by a printing machine and process for the color control or ink regulation of the print of a printing machine
11/26/1991US5068799 System and method for detecting flaws in continuous web materials
11/26/1991US5068798 Process environment monitoring system
11/26/1991US5068542 Method and apparatus for concentration measurement by the quantity, diameter and convergent of a transmitted light beam
11/26/1991US5068536 Method for providing custom calibration for near infrared instruments for measurement of blood glucose
11/26/1991US5068523 Scanner detector array and light diffuser
11/26/1991US5068181 Adding a dye, mixing the thromboplastin with a blood sample, measuring the formation of product in the spectral region, measuring the concentration of dye in the mixture for determination of the amount of thromboplastin
11/26/1991US5068088 Method and apparatus for conducting electrochemiluminescent measurements
11/26/1991US5067814 Apparatus for measuring fine particles in liquid
11/26/1991US5067812 Systems for inspecting defects in an optical recording medium
11/26/1991US5067616 Methods of discriminating between contaminated and uncontaminated containers
11/26/1991CA1292592C Process for fluorimetric monitoring of functional coatings and compositions and fluorescent agents therefor
11/26/1991CA1292531C Sensor and method for detecting the presence of air bubbles in liquid
11/24/1991WO1991018281A1 On-line dirt counter
11/24/1991WO1991018279A1 Gas analyzers
11/23/1991WO1991018306A2 Optical probe
11/23/1991CA2083389A1 Optical probe
11/23/1991CA2042880A1 Method for determining and controlling fiber luster properties
11/22/1991CA2036161A1 Slide analysis system
11/21/1991EP0457624A1 A gas detector
11/21/1991EP0457292A2 Improved configuration fiber-optic blood gas sensor bundle and method of making
11/21/1991EP0456977A2 Humidity sensor for refrigerants
11/21/1991EP0456910A1 Inspection of container finish
11/21/1991EP0456784A1 Device for illuminating a test region of a bottle
11/21/1991EP0456763A1 Sensor
11/21/1991EP0456751A1 Test swab and methods of making and using same.
11/21/1991EP0456716A1 Non-invasive measurement of blood glucose
11/21/1991EP0456708A1 Device for measuring optical density in situ.
11/21/1991EP0456637A1 Phase modulated spectrophotometry
11/21/1991EP0411042A4 Apparatus for conducting a plurality of simultaneous measurements of electrochemiluminescent phenomena
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