| 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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| 09/12/1989 | US4865813 Semipermeability, light transmitters |
| 09/12/1989 | US4865456 Measuring head |
| 09/12/1989 | US4865448 Method and aparatus for observing the internal surface of a small hole |
| 09/12/1989 | US4865447 Container inspection apparatus having each output demodulated at a specific source frequency |
| 09/12/1989 | US4865445 Apparatus for detecting faults on the surface of a resist master disc and measuring the thickness of the resist coating layer |
| 09/12/1989 | US4865424 Optical device with adjusting means |
| 09/12/1989 | US4865054 Method of and apparatus for making and processing streams of fibrous material of the tobacco processing industry |
| 09/12/1989 | CA1259390A1 Inspection apparatus |
| 09/08/1989 | WO1989008273A1 Optical sensor for the detection of ice formation and other chemical species |
| 09/08/1989 | WO1989008263A1 A novel spectrofluorometric method and compounds that are of value for the method |
| 09/08/1989 | WO1989008260A1 Immobilisation of haptens and measurement |
| 09/08/1989 | WO1989008256A1 Protected chemiluminescent labels |
| 09/08/1989 | WO1989008247A1 Process and device for testing transparent webs |
| 09/08/1989 | WO1989008246A1 Assay kit including an analyte test strip and a color comparator |
| 09/07/1989 | DE3906930A1 Atomic absorption spectrometer and analysis method therefor |
| 09/07/1989 | DE3806881A1 Sensor device |
| 09/07/1989 | DE3806384A1 Method and device for testing running transparent webs |
| 09/07/1989 | DE3806382A1 Method and device for testing running transparent webs |
| 09/06/1989 | EP0331629A1 Hand-held device for measuring photometric data |
| 09/06/1989 | EP0331290A2 Inspecting glass containers for line-over finish defects |
| 09/06/1989 | EP0331272A1 Method and device for the inpection of transparent sheets |
| 09/06/1989 | EP0331077A2 Method of detecting chemiluminescence by photography |
| 09/06/1989 | EP0331039A2 Device for detecting neps in carded fibrous textile material |
| 09/06/1989 | CN2044069U Semiconductor luminotron double wavelength photometric absorption meterr |
| 09/06/1989 | CN1035357A 荧光分光光度计 Fluorescence spectrophotometer |
| 09/05/1989 | US4864150 Method for inspecting, detecting and distinguishing sides of fabrics |
| 09/05/1989 | US4863694 Chemically sensitive component |
| 09/05/1989 | US4863693 Analysis instrument having a blow molded reaction chamber |
| 09/05/1989 | US4863691 Gas-passage change-over apparatus |
| 09/05/1989 | US4863690 Measuring instrument for bioluminescence and chemilumnescence or turbidimetry |
| 09/05/1989 | US4863689 Photography, holders |
| 09/05/1989 | US4863268 Diffractosight improvements |
| 09/05/1989 | US4863265 Apparatus and method for measuring blood constituents |
| 09/05/1989 | US4863261 Method of and apparatus for measuring the extent of clouding of the lens of a human eye |
| 09/05/1989 | US4863226 Confocal laser scanning microscope |
| 09/05/1989 | CA1259065A1 Fluid handling apparatus and method |
| 09/05/1989 | CA1258973A1 Method for detecting fingerprints using a laser and an apparatus therefor |
| 09/04/1989 | EP0228454A4 Compositions and methods for printed circuit board and/or printed wiring board cleaning and soldermask testing. |
| 08/31/1989 | DE3805995A1 Method and device for spectrometric measurement |
| 08/31/1989 | DE3804955A1 Device and method for optical reflection measurement on coloured objects |
| 08/30/1989 | EP0330568A2 Fiber optic sensor for detecting chemical changes in materials |
| 08/30/1989 | EP0330536A2 Method and apparatus for inspecting reticles |
| 08/30/1989 | EP0330517A2 Method, system and devices for the assay and detection of biochemical molecules |
| 08/30/1989 | EP0330501A2 Measurement arrangement with automatic gain control circuit |
| 08/30/1989 | EP0330495A2 Package inspection system |
| 08/30/1989 | EP0330433A2 Protected chemiluminescent labels |
| 08/30/1989 | EP0330183A2 Fluorescence spectrophotometer and wavelength setting method therefor |
| 08/30/1989 | EP0330144A2 Process for the direct determination of complex corrosive environmental conditions |
| 08/30/1989 | EP0330050A2 Special chemiluminescent acridine derivatives and their use in luminescence immunoassays |
| 08/30/1989 | EP0329994A1 Immunogen and its use in preparing antibodies to haemoglobin A1C |
| 08/30/1989 | EP0329889A2 Method and apparatus for analyzing a web of material |
| 08/29/1989 | US4862001 Radiant energy absorption steam quality monitoring means and method |
| 08/29/1989 | US4862000 Method for predicting density of micro crystal defects in semiconductor element from silicon wafer used in the manufacture of the element, and infrared absorption measurement apparatus for this method |
| 08/29/1989 | US4861999 Supersonic nozzle for use in an infrared spectrometer |
| 08/29/1989 | US4861984 Surface inspection or ranging apparatus with image derotation |
| 08/29/1989 | US4861727 Luminescent oxygen sensor based on a lanthanide complex |
| 08/29/1989 | US4861514 Compositions containing chlorine dioxide and their preparation |
| 08/29/1989 | US4861164 Apparatus for separating specular from diffuse radiation |
| 08/29/1989 | US4861163 Ellipsoidal cylinder fluorescence analyzer |
| 08/29/1989 | CA1258898A1 Contaminant detection in paper pulp |
| 08/29/1989 | CA1258896A1 Inspection of container finish |
| 08/29/1989 | CA1258841A1 Apparatus for handling fish fillets for the purpose of quality inspection |
| 08/24/1989 | WO1989007760A1 Curcumin in the detection and warning of cyanide adulterated food products |
| 08/24/1989 | WO1989007757A2 Fluorimeters |
| 08/24/1989 | WO1989007756A1 Integrated optical interference method |
| 08/24/1989 | WO1989007655A1 Method for measuring degree of freshness and measuring kit for the method |
| 08/24/1989 | DE3903296A1 Optical scanning arrangement which can be used as a gas sensor |
| 08/24/1989 | DE3804134A1 Method and apparatus for measuring the concentration of a foreign gas in a gas mixture by using a Moiré filter |
| 08/23/1989 | EP0329488A2 Detection of grain damage in skins and leather |
| 08/23/1989 | EP0329447A2 Apparatus for determining the temperature of wafers or thin layers |
| 08/23/1989 | EP0329297A2 Method and apparatus for measuring partial pressure of oxygen in a fluid |
| 08/23/1989 | EP0329277A2 Method of monitoring solidification of a liquid composition |
| 08/23/1989 | EP0329196A2 Oximeter for cooperation with an oximeter probe |
| 08/23/1989 | EP0329120A2 Luminescence test and exposure apparatus |
| 08/23/1989 | EP0329115A1 Tissue metabolism measuring apparatus |
| 08/23/1989 | EP0329061A2 A dual beam multichannel spectrophotometer with a unique logarithmic data converter |
| 08/23/1989 | EP0328890A1 An apparatus for obtaining information on the interior of an object |
| 08/23/1989 | EP0328613A1 Metallurgical controlling method |
| 08/23/1989 | EP0328563A1 Cuvette and apparatus for performing biological assays. |
| 08/22/1989 | US4860371 Method and apparatus for detecting pattern defects |
| 08/22/1989 | US4860116 Method of measuring shading characteristics in image information reading apparatus with a test recording medium |
| 08/22/1989 | US4859864 Sensor and method for detecting the presence of air bubbles in liquid |
| 08/22/1989 | US4859859 Gas analyzers |
| 08/22/1989 | US4859858 Gas analyzers |
| 08/22/1989 | US4859419 Diagnostic manifold apparatus |
| 08/22/1989 | US4859277 Method for measuring plasma properties in semiconductor processing |
| 08/22/1989 | US4859064 Diffuse reflectance spectroscopy system and method |
| 08/22/1989 | US4859063 Imaging microspectrofluorimeter |
| 08/22/1989 | US4859062 Optoelectrical measuring system and apparatus |
| 08/22/1989 | US4859057 Oximeter apparatus |
| 08/22/1989 | US4859056 Multiple-pulse method and apparatus for use in oximetry |
| 08/22/1989 | US4858768 Method for discrimination between contaminated and uncontaminated containers |
| 08/22/1989 | US4858465 Water washable contaminant detection and labeling compositions and method for utilizing same |
| 08/22/1989 | US4858277 Process and apparatus for cleaning and opening loose fiber stock, e.g. cotton |
| 08/22/1989 | CA1258656A1 Inspecting and sorting of glass containers |
| 08/22/1989 | CA1258626A1 Test kit for determining the presence of organic materials and method of utilizing same |
| 08/17/1989 | DE3903560A1 Microscope having a device for surveying microscopic structures |
| 08/17/1989 | DE3834948A1 Method for the measurement of the refractive index of a thin layer |
| 08/17/1989 | DE3823300C1 Sensor device |
| 08/17/1989 | DE3803733A1 Optical probe for examinations at high pressures and temperatures |