| 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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| 03/19/1992 | WO1992005411A1 Infra-red source |
| 03/19/1992 | WO1992004619A1 Reflective optical instrument |
| 03/19/1992 | WO1992004617A1 Surface plasmon resonance device |
| 03/19/1992 | WO1992004616A1 Area light source |
| 03/19/1992 | WO1992004615A1 Spectrum analysis and absorption measuring process with controlled spectral range |
| 03/19/1992 | WO1992004614A1 Process for determining the concentration of substances, device for implementing the process, use of the process for changing the concentration of a substance contained in the fluid and plant therefor |
| 03/19/1992 | WO1992004613A1 A coated capillary tube |
| 03/19/1992 | WO1992004612A1 Microassay on a card |
| 03/19/1992 | WO1992004468A1 Luciferase compositions and methods |
| 03/19/1992 | WO1992004465A1 Immobilization of organic macromolecules or biopolymers in a polymer membrane |
| 03/19/1992 | WO1991018236A3 Internal pipe inspection system |
| 03/19/1992 | DE4028881A1 Protecting gas or liq. delivery system against dry running - using light transmitted via transparent walls to receiver only if without medium |
| 03/19/1992 | DE4028084A1 Antifogging agent effectiveness-measuring system - uses diffused light from test lens measured by receiver |
| 03/19/1992 | CA2091900A1 Infra-red source |
| 03/19/1992 | CA2051549A1 Method for determination of a light sensitive substance |
| 03/19/1992 | CA2025649A1 Method for determining oil content of an underground formation |
| 03/18/1992 | EP0475803A1 Apparatus to measure the shininess of a surface, particularly of the skin |
| 03/18/1992 | EP0475791A2 Apparatus and method for detecting the presence of gas in a borehole flow stream |
| 03/18/1992 | EP0475760A2 Method and device for high speed separation of complex molecules |
| 03/18/1992 | EP0475748A2 Foreign particle detecting apparatus |
| 03/18/1992 | EP0475636A2 Method and apparatus for analysis of gases using plasma |
| 03/18/1992 | EP0475602A2 Tagged polymers and their synthesis by post polymerization (trans) amidation reaction |
| 03/18/1992 | EP0475454A2 Defect inspection system |
| 03/18/1992 | EP0475305A2 Apparatus and method for inverse photoemission spectroscopy |
| 03/18/1992 | EP0475271A2 Detecting the endpoint in interfacial aromatic poly-carbonate polymerization reactions |
| 03/18/1992 | EP0475250A2 Pulsed flame analyzing method and detector apparatus for use therein |
| 03/18/1992 | EP0475211A2 Absorbance detector |
| 03/18/1992 | EP0474860A1 Simple fire detector |
| 03/18/1992 | EP0409898A4 System of fluid inspection and/or identification |
| 03/18/1992 | CA2050568A1 High-resolution vision system for part inspection |
| 03/18/1992 | CA2050519A1 Method for processing compacted data |
| 03/17/1992 | US5097516 Technique for illuminating a surface with a gradient intensity line of light to achieve enhanced two-dimensional imaging |
| 03/17/1992 | US5097135 Method of forming a two-dimensional distribution image of ion concentration in a cell |
| 03/17/1992 | US5097130 Quantitative determination method of chemicals for processing semiconductor and an apparatus thereof |
| 03/17/1992 | US5097129 Surface contamination detection using infrared-transparent fibers or attenuated total reflection crystals |
| 03/17/1992 | US5096835 Method of discriminating particle aggregation pattern |
| 03/17/1992 | US5096834 Combustion, evaporation, oxidation, catlaysis; diesel engines |
| 03/17/1992 | US5096807 Imaging immunoassay detection system with background compensation and its use |
| 03/17/1992 | US5096671 Charged hydrogel matrix membrane with charged ion exchange resin dispersed within and a colorimetric indicator |
| 03/17/1992 | US5096634 Method of operating an apparatus for the production of biaxially stretched plastic tubes |
| 03/17/1992 | US5096299 Pattern area ratio measuring apparatus |
| 03/17/1992 | US5096298 Method for measuring refractive index of thin film layer |
| 03/17/1992 | US5096296 Method for measuring optical path difference of an imbalanced interferometer in a system |
| 03/17/1992 | US5096294 Method and apparatus for measuring oxygen concentration and its subsequent use in estimating nitrogen fixation in plants |
| 03/17/1992 | US5096293 Differential fluorescence lidar and associated detection method |
| 03/17/1992 | US5096291 Inspection systems having rotating motion |
| 03/17/1992 | US5095913 Shutterless optically stabilized capnograph |
| 03/17/1992 | CA1297361C Method and apparatus for fluid propelled borescopes |
| 03/15/1992 | CA2051032A1 Surface inspection method and apparatus thereof |
| 03/14/1992 | CA2051228A1 Method and device for high speed separation of complex molecules |
| 03/14/1992 | CA2051061A1 Powder and granule inspection apparatus |
| 03/13/1992 | CA2051144A1 Enzyme assays |
| 03/12/1992 | DE4126678A1 Measuring technique for detecting pointwise increase of spectra - using pulse width modulation of wavelength radiated from single LED for remission, reflection and transmission spectra increase registration |
| 03/11/1992 | EP0474607A2 Apparatus for the discontinuous on-line field or process colorimetric chemical monitoring of liquid samples |
| 03/11/1992 | EP0474264A2 Spectrally dispersive imaging Lidar method and apparatus |
| 03/11/1992 | EP0474002A2 Print scanner |
| 03/11/1992 | EP0473940A1 Photometric device with scattering light trap |
| 03/11/1992 | EP0441875A4 Enhanced electrochemiluminescence |
| 03/11/1992 | CN1059405A Quick analysis of boron aluminium state and all elements during smelting |
| 03/11/1992 | CN1059404A Absorption photometric detector |
| 03/11/1992 | CN1015829B Method and equipment for testing dust content in waste gas |
| 03/11/1992 | CN1015828B Laser microanalysis instrument |
| 03/11/1992 | CN1015827B Method of measuring refractive index profile of optical fibers |
| 03/11/1992 | CN1015826B Liver function testing apparatus |
| 03/10/1992 | US5095511 Apparatus for verifying pattern data used in a step-and-repeat process for producing the same patterns regularly arranged on a substance |
| 03/10/1992 | US5095214 Optical hole seeking apparatus having dual spaced laser scanners |
| 03/10/1992 | US5095210 Multilayer film indicator for determining the integrity or authenticity of an item and process for using same |
| 03/10/1992 | US5095205 Spectroanalytical system |
| 03/10/1992 | US5095204 Machine vision inspection system and method for transparent containers |
| 03/10/1992 | US5095079 Diffusion |
| 03/10/1992 | US5094959 Fluorescent perylene dye |
| 03/10/1992 | US5094958 Method of self-compensating a fiber optic chemical sensor |
| 03/10/1992 | US5094957 In aqueous systems |
| 03/10/1992 | US5094819 Fluorescence-based optical sensor and method for detection of lipid-soluble analytes |
| 03/10/1992 | US5094815 Photolytic interface for HPLC-chemiluminescence detection of non volatile N-nitroso compounds |
| 03/10/1992 | US5094786 Method and apparatus for determination of ingredients of tablets |
| 03/10/1992 | US5094600 Apparatus for measuring eccentricities of a rod of plastic material |
| 03/10/1992 | US5094535 Scanning sensor system including an FT-IR interferometer |
| 03/10/1992 | US5094533 Optoelectrical particle detection apparatus |
| 03/10/1992 | US5094531 Spectrophotometer to fluorometer converter |
| 03/10/1992 | US5094530 Atomic absorption spectrometer |
| 03/10/1992 | US5094517 For quantitative measurement of liquids in the vapor phase |
| 03/10/1992 | CA1296920C Digital anesthetic agent analyzer |
| 03/10/1992 | CA1296886C Process for determining thicknesses of layers, application thereofin determining certain interactions and a means for carrying out this process |
| 03/06/1992 | CA2050608A1 Process of analyzing metal particles |
| 03/05/1992 | WO1992003734A1 A method for measuring t-lymphocyte responses by chemiluminescent assays |
| 03/05/1992 | WO1992003730A1 Analytical device |
| 03/05/1992 | WO1992003721A1 Inspecting garments |
| 03/05/1992 | WO1992003720A1 Analytical device |
| 03/05/1992 | WO1992003086A1 In vivo measurement of oxygen concentration levels |
| 03/05/1992 | DE4027728A1 Immobilisierung von organischen makromolekuelen oder biopolymeren in einer polymermembran Immobilization of organic makromolekuelen or biopolymer in a polymer membrane |
| 03/05/1992 | DE4027454A1 Pulsed flat light source for reflection characteristic measurement - uses toroidal light tube behind housing cover with central light exit opening |
| 03/04/1992 | EP0473451A1 Method and device for controlling the gas flow in a spectrometer |
| 03/04/1992 | EP0473241A2 Method of operation of reflectance-reading devices |
| 03/04/1992 | EP0473130A2 A method for measuring a substitutional carbon concentration |
| 03/04/1992 | EP0473114A2 Standard samples and methods of instrumental measurement of saybolt color of petroleum products using said samples |
| 03/04/1992 | EP0472899A1 Photometrical measuring device |
| 03/04/1992 | EP0472881A2 Machine vision inspection system and method for transparent containers |
| 03/04/1992 | EP0472668A1 Process for determining the condition of a road surface. |
| 03/04/1992 | EP0472643A1 Area-modulated luminescence (aml) |