| 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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| 05/16/1991 | WO1991006864A1 Chemiluminescence assay of inflammation |
| 05/16/1991 | WO1991006862A1 Analytical device and methods |
| 05/16/1991 | WO1991006855A2 Single-use biosensor for detecting antigen/antibody bonds in whole blood for use as an anti-hiv confirmatory test with verbal result on a liquid crystal display |
| 05/16/1991 | WO1991006846A1 Engineered video inspection lighting array |
| 05/16/1991 | WO1991006845A2 Coplanarity inspection machine |
| 05/16/1991 | WO1991002238A3 Biological assay cassette and method for making same |
| 05/16/1991 | DE4037686A1 Quantitative determn. of cocaine and its main metabolites - by thin layer chromatography followed by conversion to a fluorescing prod. by heating |
| 05/16/1991 | DE4036048A1 Measuring foam or sedimentation height in liquids - using transmitting light measurement with calibration state involving empty or partially-filled specimen vessel |
| 05/16/1991 | DE3937343A1 Measuring conc. and droplet distribution of suspended gases - involves electrostatic separation, solution, infrared absorption of aerosols, esp. oil, removal of dust at defined intervals |
| 05/16/1991 | CA2029839A1 Method of detecting the concentration of an active ingredient in an aqueous system |
| 05/15/1991 | EP0427578A1 Holographic device for the measurement of deviations of light beams in transparent media |
| 05/15/1991 | EP0427394A2 Micropipette adaptor for spectrofluorometers |
| 05/15/1991 | EP0427037A2 Non-dispersive infrared gas analyzer for simultaneously measuring the concentration of multiple components of a gas sample |
| 05/15/1991 | EP0426982A2 Adjustment procedure for a non-dispersive infra-red gas analyser |
| 05/15/1991 | EP0426968A1 Device for the control of the mouth of bottles or the like |
| 05/15/1991 | EP0426967A2 Apparatus for measuring with light the concentration of a specimen |
| 05/15/1991 | EP0426829A1 High sensitivity fluorescent single particle and single molecule detection apparatus and method. |
| 05/15/1991 | EP0426817A1 Devices for use in chemical test procedures. |
| 05/15/1991 | EP0426748A1 Electro-optical measuring instruments |
| 05/15/1991 | EP0290473A4 Use of lanthanide chelate fluorophores based on dihydropyridine condensation products |
| 05/15/1991 | CN2077126U Intelligence blood platelet gathering instrument |
| 05/15/1991 | CN1051297A Non-invasive method and apparatus for measuring blood glucose concent ration |
| 05/15/1991 | CN1012629B Method for analysis of impurity elements in gallium |
| 05/14/1991 | US5016203 Method of optical density correction |
| 05/14/1991 | US5016099 Process for determining the optical quality of flat glass or flat glass products |
| 05/14/1991 | US5015931 Windshield wiper system with rain detector |
| 05/14/1991 | US5015856 Automated process for permeability determinations of barrier resins |
| 05/14/1991 | US5015843 Fiber optic chemical sensors based on polymer swelling |
| 05/14/1991 | US5015842 High density fiber optic damage detection system |
| 05/14/1991 | US5015715 Method for bonding an analyte-sensitive dye compound to an addition-cure silicone |
| 05/14/1991 | US5015590 Method of determining nitrogen dioxide concentration in a gas sample which contains ozone |
| 05/14/1991 | US5015100 Apparatus and method for normal incidence reflectance spectroscopy |
| 05/14/1991 | US5015099 Differential absorption laser radar gas detection apparatus having tunable wavelength single mode semiconductor laser source |
| 05/14/1991 | US5015098 Densitometer with error correction |
| 05/14/1991 | US5015097 Method for inspecting filled state of via-holes filled with fillers and apparatus for carrying out the method |
| 05/14/1991 | US5015093 Electromagnet for an atomic absorption spectrometer |
| 05/14/1991 | US5015092 Sampling probe for optical analyzation of a sample |
| 05/14/1991 | US5015091 Device for detecting alcoholic content |
| 05/14/1991 | US5014707 Apparatus for measuring and evaluating the inherent fluorescent spectra of organic tissue surfaces |
| 05/08/1991 | EP0426571A1 Method for punctual spectroscopic analysis of a light, diffracted or absorbed by a substance in a near field |
| 05/08/1991 | EP0426559A1 Spectroscopic method for the discrimination of the optical profile of a transparent object by frustrated evanescent field scanning optical microscopy |
| 05/08/1991 | EP0426358A1 A non-invasive method and apparatus for measuring blood chemical concentration |
| 05/08/1991 | EP0426232A2 Method of quantitative analysis of drilling fluid products |
| 05/08/1991 | EP0426231A2 Analysis of drilling solids samples |
| 05/08/1991 | EP0426182A2 Automatic high speed optical inspection apparatus and method |
| 05/08/1991 | EP0426166A2 Automatic high speed optical inspection system |
| 05/08/1991 | EP0426117A2 A method for calibrating an optical attenuator |
| 05/08/1991 | EP0426047A2 Reflected light measuring instrument |
| 05/08/1991 | EP0426040A1 Microscopic spectrometer |
| 05/08/1991 | EP0425917A1 Procedure for the quality control of metallic surfaces |
| 05/08/1991 | EP0425882A1 Infrared microscopic spectrometer |
| 05/08/1991 | EP0425595A1 Process and arrangement for automatic optical classification of plants. |
| 05/08/1991 | EP0425587A1 Process for determining biological activities in a sample and a device for implementing it. |
| 05/08/1991 | EP0425509A1 Calibration device for use in calibrating a sensor. |
| 05/08/1991 | EP0377733A4 Immunoassay apparatus |
| 05/08/1991 | DE4033741A1 Single-use bio:sensor or detecting antigen-antibody cpds. in blood - for anti-HIV confirmation testing and uses surface plasma resistance effect on aluminium mirror |
| 05/08/1991 | DE4022733C1 Three=dimensional cavity inspection appts. - uses matrix or line camera to receive reflected light via gp. of four mirrors and deflecting mirror |
| 05/08/1991 | CN1012557B Detection imaging method of soft tissue and its apparatus |
| 05/07/1991 | US5014225 Apparatus and method for determining plant fluorescence |
| 05/07/1991 | US5014217 Apparatus and method for automatically identifying chemical species within a plasma reactor environment |
| 05/07/1991 | US5014216 Concentration determination with multiple wavelength flash photometers |
| 05/07/1991 | US5013920 Infrared analyzer with improved calibration |
| 05/07/1991 | US5013917 Imaging lidar system using non-visible light |
| 05/07/1991 | US5013905 Method of electro-optically inspecting cigarettes |
| 05/07/1991 | US5013380 Cutting, polishing, bonding |
| 05/07/1991 | US5013156 Optical density measurement apparatus in the context of labeling and other devices |
| 05/07/1991 | US5013155 Portable spectrophotometric instrument having vial holder and light integrator |
| 05/07/1991 | US5013153 Interferometric gas component measuring apparatus for small gas molecules |
| 05/07/1991 | US5013150 Method for detection of fluorescence or light scatter |
| 05/07/1991 | US5013108 Optical scanning device and mirror correction system for use in such a device |
| 05/07/1991 | US5012809 Fiber optic catheter system with fluorometric sensor and integral flexure compensation |
| 05/07/1991 | US5012674 Method of exploration for hydrocarbons |
| 05/07/1991 | CA1283964C Surface inspection apparatus |
| 05/04/1991 | WO1991006884A1 Method for localized spectroscopic analysis of the light diffracted or absorbed by a substance placed in a near field |
| 05/04/1991 | CA2072628A1 Method for localized spectroscopid analysis of the light diffracted of absorbed by a substance placed in a near field |
| 05/02/1991 | WO1991005997A1 Method and apparatus for analyzing paper quality |
| 05/02/1991 | WO1991005995A1 Particle contamination detection in fluids through the external section of a laser |
| 05/02/1991 | EP0425446A2 Device for the comparative analysis of organic samples |
| 05/02/1991 | EP0425426A2 Method for identifying gemstones, particularly diamonds |
| 05/02/1991 | EP0424934A2 Apparatus for counting particles suspended in a fluid |
| 05/02/1991 | EP0424703A2 Optical sensor |
| 05/02/1991 | EP0424634A2 Method and apparatus for heterogeneous chemiluminescence assay |
| 05/02/1991 | EP0424633A2 Automated method and device for performing solid-phase diagnostic assay |
| 05/02/1991 | EP0424465A1 Preparation and use of fluorescent benzothiazole derivatives. |
| 05/02/1991 | DE4041554A1 Measuring sedimentation kinetics of blood cells, etc. - using centrifuge with continuous photometric recording system |
| 05/02/1991 | DE4033485A1 Automatically examining objects using opto-electronic camera - with illumination from two or more sides and electronic evaluating unit for camera signals |
| 05/02/1991 | DE4032963A1 Liq. chromatography column analysis of specimen components marked - in heated reaction to aid separate extraction |
| 05/01/1991 | WO1991006844A1 Discriminating spectroscopy of the optical profile of a transparent object using frustrated vanishing field scanning optical microscopy |
| 05/01/1991 | CN1012527B Tissue metabolism measuring apparatus |
| 05/01/1991 | CA2072111A1 Discriminating spectroscopy of the optical profile of a transparent object using frustrated vanishing field scanning optical microscopy |
| 05/01/1991 | CA2028605A1 Chemiluminescence assay of in vivo inflammation |
| 04/30/1991 | USRE33581 Immunoassay using optical interference detection |
| 04/30/1991 | US5012119 Method and apparatus for monitoring particles using back-scattered light without interference by bubbles |
| 04/30/1991 | US5012117 Process and apparatus for the automatic non-contact surface inspection of cylindrical parts |
| 04/30/1991 | US5012116 System for inspecting bearing balls for defects |
| 04/30/1991 | US5012101 Optical apparatus and method |
| 04/30/1991 | US5011663 Multitest-tube for clinical chemistry analysis for several simultaneous tests |
| 04/30/1991 | US5011573 Method and apparatus for control of dry-line on the wire of a fourdrinier paper machine |
| 04/30/1991 | US5011295 Method and apparatus to simultaneously measure emissivities and thermodynamic temperatures of remote objects |
| 04/30/1991 | US5011290 Test sample color comparison device |