| 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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| 02/14/1989 | US4805187 Graph of wavelength of minimum transmittance of infrared energy and doping temperature |
| 02/14/1989 | US4805123 Automatic photomask and reticle inspection method and apparatus including improved defect detector and alignment sub-systems |
| 02/14/1989 | US4804996 Charged particle sensor having magnetic field control |
| 02/14/1989 | US4804853 Compact particle flux monitor |
| 02/14/1989 | US4804850 Test sample |
| 02/14/1989 | US4804849 Method and apparatus for determining concentrations of chlorophyll and the rate of primary production in water |
| 02/14/1989 | US4804631 Method and apparatus for measuring cyanide |
| 02/14/1989 | US4804519 Sample analysis apparatus |
| 02/14/1989 | US4804273 Method and apparatus for particulate matter detection |
| 02/14/1989 | US4804271 Process for the improvement of selectivity of spectrometric measurements and an apparatus for the performance of the process |
| 02/14/1989 | US4804268 Method of measuring the interaction between walls and fluid |
| 02/14/1989 | US4804267 System for microscopically analyzing fluids |
| 02/14/1989 | US4804264 Arrangement for time-resolved optical backscatter measurement at optical waveguides |
| 02/14/1989 | CA1249978A1 Inspecting and sorting of glass containers |
| 02/09/1989 | WO1989001155A1 Photographic immunofluorescent assay |
| 02/09/1989 | WO1989001147A1 Process for quality control of a flat object, in particular for detecting defects in textile fabrics, and device for this purpose |
| 02/09/1989 | WO1989001146A1 Apparatus and method for inspection of surface quality of smooth surfaces |
| 02/09/1989 | WO1989001144A1 Apparatus for measuring concentration and oxygen saturation of hemoglobin |
| 02/09/1989 | DE3825665A1 Sensorvorrichtung zur feststellung des vorhandenseins von wassertroepfchen auf einer fahrzeug-scheibe und mit der sensorvorrichtung arbeitendes scheibenwischer-steuergeraet Sensor means for detecting the presence of one wassertroepfchen working on a vehicle-disc and with the sensor device wiper-Steuergeraet |
| 02/09/1989 | DE3825663A1 Sensorvorrichtung zur feststellung des vorhandenseins von wassertroepfchen auf einer fahrzeug-scheibe und mit der sensorvorrichtung arbeitendes scheibenwischer-steuergeraet Sensor means for detecting the presence of one wassertroepfchen working on a vehicle-disc and with the sensor device wiper-Steuergeraet |
| 02/08/1989 | CN1030981A Measurement of high refracting power of glass microbead |
| 02/08/1989 | CN1030980A Method of density calibration and apparatus therefore |
| 02/07/1989 | USH572 Optical analyzer |
| 02/07/1989 | US4803470 Substance detector device |
| 02/07/1989 | US4803435 Method and apparatus for detecting dielectric defects |
| 02/07/1989 | US4803374 Continuous measurement of the surface roughness of a cold-rolled product |
| 02/07/1989 | US4803370 Infrared light generation |
| 02/07/1989 | US4803365 Optical probe mounting device |
| 02/07/1989 | US4803161 Biological and analytical uses of phenalenone and benzphenalenone compounds |
| 02/07/1989 | US4803160 Use of polymeric mordants to increase the intensity of rigid fluorescent dyes |
| 02/07/1989 | US4803157 Dyes blocked with phosphono or thioxophosphono groups |
| 02/07/1989 | US4803052 Single, monochromatic ir rad; increased accuracy |
| 02/07/1989 | US4803051 Atomic spectrometer apparatus |
| 02/07/1989 | US4803049 Fiber optic, rhodamine, fluorescein dye with silane coupler; indicates ph by fluorescence intensity |
| 02/07/1989 | US4802768 Two light source reference system for a fluorometer |
| 02/07/1989 | US4802763 Measuring apparatus for characterizing a surface having color directional reflectance properties |
| 02/07/1989 | US4802762 Optical inspection of polymer-based materials |
| 02/07/1989 | US4802761 Optical-fiber raman spectroscopy used for remote in-situ environmental analysis |
| 02/07/1989 | US4802760 Raman microprobe apparatus for determining crystal orientation |
| 02/02/1989 | DE3741195A1 Verfahren zur qualitaetskontrolle eines flaechigen objektes, insbesondere zur fehlererkennung bei textilen stoffen, und vorrichtung hierzu A method for quality control of a two-dimensional properties, particularly for fault detection in textile materials, and this device |
| 02/02/1989 | DE3724001A1 Method of identifying the material of spectacle lenses |
| 02/01/1989 | EP0302009A1 Flow-through cuvette |
| 02/01/1989 | EP0301699A2 Method and apparatus for determining the bioactivity of biological samples |
| 02/01/1989 | EP0301600A2 Method for detection of the presence of undesired microorganisms |
| 02/01/1989 | EP0301584A1 Immunological measuring method |
| 02/01/1989 | EP0301524A2 Test piece coloration comparative decision unit |
| 02/01/1989 | EP0301329A2 Lighting installation for spectroscopic observation of minerals, juwels, or equivalent |
| 02/01/1989 | EP0301290A1 Black body radiator for use as an emitter in gas detecor calibration, and process for producing it |
| 02/01/1989 | EP0301042A1 Apparatus for determining an antisolar protection index |
| 02/01/1989 | CN2031928U High-speed concentration determination apparatus for fresh milk |
| 02/01/1989 | CN1030846A Method of inspecting apertured mask sheets |
| 01/31/1989 | US4802102 Baseline correction for chromatography |
| 01/31/1989 | US4801810 Elliptical reflector illumination system for inspection of printed wiring boards |
| 01/31/1989 | US4801809 Sheet inspection apparatus and methods providing simultaneous resolution of measurement zones and wavelength bands |
| 01/31/1989 | US4801805 Method of measuring multicomponent constituency of gas emission flow |
| 01/31/1989 | US4801804 Method and apparatus for near infrared reflectance measurement of non-homogeneous materials |
| 01/31/1989 | US4801798 Method and apparatus for measuring optical retardation in transparent materials |
| 01/31/1989 | US4801655 Polyacrylamide gel, phenol red dye, washing with base |
| 01/31/1989 | US4801552 Modulated magnetic field |
| 01/31/1989 | US4801550 3-or 4-ring aromatic cationic ligand, complexing |
| 01/31/1989 | US4801209 Process and apparatus for analyzing a gaseous mixture and a visible emission spectrum generator therefor |
| 01/31/1989 | US4801204 Method and apparatus for measuring the turbidity of liquid media |
| 01/31/1989 | US4801203 Detector of impurities in molten solder |
| 01/31/1989 | US4801187 Liquid light tube end cap assembly |
| 01/31/1989 | US4800886 Sensor for measuring the concentration of a gaseous component in a fluid by absorption |
| 01/31/1989 | US4800885 Blood constituent monitoring apparatus and methods with frequency division multiplexing |
| 01/31/1989 | US4800747 Method of measuring oxygen in silicon |
| 01/26/1989 | WO1989000458A1 Rotor for processing liquids using movable capillary tubes |
| 01/26/1989 | WO1988007670A3 Time-resolved fluorescence apparatus and immunoassay |
| 01/26/1989 | DE3812979A1 Scanning microscope |
| 01/26/1989 | DE3723450A1 Device for detecting overloads in components made of fibre-reinforced plastics |
| 01/25/1989 | EP0300990A2 Protective coating for the part of an optical ion sensor in contact with the sample |
| 01/25/1989 | EP0300965A1 Flow-through cuvette |
| 01/25/1989 | EP0300734A2 Method and apparatus for detecting the presence of a coating on a travelling web |
| 01/25/1989 | EP0300693A2 Apparatus for determining the propensity of a paper or board to dust |
| 01/25/1989 | EP0300572A1 Method and apparatus for inspecting apertured mask sheets |
| 01/25/1989 | EP0300508A2 Film thickness-measuring apparatus |
| 01/25/1989 | EP0202269B1 Analytical apparatus for optically determining species in solution |
| 01/25/1989 | CN2031527U Moelel gl 86-01 bore speculum for deep and big blind hole |
| 01/25/1989 | CN2031526U Pocket digital urinoglucosometer |
| 01/25/1989 | CN2031525U Device for reducing stray light |
| 01/25/1989 | CN2031524U Continuous double light path turbidity instrument |
| 01/25/1989 | CN2031523U Sensor for photoelectric dynamic lamination interface |
| 01/24/1989 | US4800280 Measuring apparatus for amylose and/or amylopectin content in rice |
| 01/24/1989 | US4800279 Methods and devices for near-infrared evaluation of physical properties of samples |
| 01/24/1989 | US4800268 Method and apparatus for scanning a laser beam to examine the surface of semiconductor wafer |
| 01/24/1989 | US4800223 Fluorescent label |
| 01/24/1989 | US4800169 Test aids and method for the preparation thereof |
| 01/24/1989 | US4800067 Tube with indicator |
| 01/24/1989 | US4799799 Determining inert content in coal dust/rock dust mixture |
| 01/24/1989 | US4799796 Method and apparatus for measuring immunological reaction with the aid of phase-modulation of light |
| 01/24/1989 | US4799794 Interior reflective chamber embodying an ordering principal for color reflectors therein |
| 01/24/1989 | US4799790 Chromatic dispersion measuring system for optical fibers |
| 01/24/1989 | US4799789 Chromatic dispersion measuring system for optical fibers |
| 01/24/1989 | US4799786 Method of diamond identification |
| 01/24/1989 | US4799756 Remote multi-position information gathering system and method |
| 01/24/1989 | US4799599 Specimen cup and cap assembly for clinical analyzer |
| 01/24/1989 | US4799379 Apparatus for measuring the moisture content of snow particles |
| 01/24/1989 | CA1249138A1 Simultaneous multiple wavelength photometer |
| 01/19/1989 | DE3821543A1 Method for the simultaneous measurement of the turbidity and the particle concentration of liquids |