| 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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| 06/13/1995 | US5424843 Apparatus and method for qualitative and quantitative measurements of optical properties of turbid media using frequency-domain photon migration |
| 06/13/1995 | US5424842 Self-cleaning system for monitoring the opacity of combustion engine exhaust using venturi effect |
| 06/13/1995 | US5424841 Apparatus for measuring spatial distribution of fluorescence on a substrate |
| 06/13/1995 | US5424840 In situ chlorophyl absorption meter |
| 06/13/1995 | US5424838 Microelectronics inspection system |
| 06/13/1995 | US5424832 Flameless atomic absorption spectrophotometer |
| 06/13/1995 | US5424830 Method and apparatus for determining the facet angles of a gemstone |
| 06/13/1995 | US5424558 Apparatus and a method for dynamically tuning a particle sensor in response to varying process conditions |
| 06/13/1995 | US5424545 Non-invasive non-spectrophotometric infrared measurement of blood analyte concentrations |
| 06/13/1995 | US5424542 Irradiating petroleum distillate with near infrared radiation, determining optical absorptivity for selected wavelength, determining normal paraffin content, changing selective absorber when content indicates saturation |
| 06/13/1995 | US5424536 Substrate internal defect and external particle detecting apparatus using s-polarized and p-polarized light |
| 06/13/1995 | US5424440 Fluorescent benzothiazole derivatives |
| 06/13/1995 | US5424217 Measuring the intensity of chemiluminescence emitted by sulfur dioxide converted from oxidation of ozone and sulfur oxide, which is formed by combustion a mixture of oxygen, halogenated compound |
| 06/13/1995 | US5424216 Mixing text sample solution with hydrogen peroxide or analogous substance and luminol or analogous substance, measuring intensity of chemiluminescence |
| 06/13/1995 | US5424211 An indicator being the reaction product of an indicator having a hydroxyl group and an organohalide to complex with the uranyl oxide; spectral resolution |
| 06/13/1995 | US5424186 Very large scale immobilized polymer synthesis |
| 06/13/1995 | US5424035 Test strip analysis system |
| 06/13/1995 | US5423514 Alignment assembly for aligning a spring element with a laser beam in a probe microscope |
| 06/13/1995 | US5423513 Method of and a capillary flow cell for analysing fluid samples |
| 06/11/1995 | CA2137858A1 Characteristic absorption |
| 06/11/1995 | CA2137614A1 Automatic process for maceral analysis and identification of the reflective power of vitrinite in coals |
| 06/08/1995 | WO1995015534A1 Imaging system and method using direct reconstruction of scattered radiation |
| 06/08/1995 | WO1995015488A1 Measuring device |
| 06/08/1995 | WO1995015487A1 Method and device for the analysis of water or soil |
| 06/08/1995 | WO1995015486A1 Control of low inventory alkylation unit |
| 06/08/1995 | WO1995015114A1 Sensor with improved drift stability |
| 06/08/1995 | WO1995004338A3 Smoke detection system |
| 06/08/1995 | DE4443268A1 Powder sampling appts. e.g. for flour analysis |
| 06/08/1995 | DE4341685A1 An optical test set for yarn structure, giving clear fibre images |
| 06/08/1995 | DE4341475A1 Incinerator chimney sensor arrangement |
| 06/08/1995 | DE4341466A1 Arrangement for detecting foreign material in flowing gases or liquids |
| 06/08/1995 | DE4341227A1 Optical analysis detection system for light beam incidence angle |
| 06/08/1995 | CA2176006A1 Sensor with improved drift stability |
| 06/07/1995 | EP0656537A1 Photodetecting apparatus for scattering medium with phase detection |
| 06/07/1995 | EP0656536A1 Method and apparatus for measuring scattering medium |
| 06/07/1995 | EP0656535A1 Apparatus of non-dispersive infrared analyzer |
| 06/07/1995 | EP0656423A1 Method and apparatus for the determination of analytes |
| 06/07/1995 | EP0656110A1 Device for the qualitative and/or quantitative measurement of a sample to be analyzed |
| 06/07/1995 | EP0656005A1 Biotinylated chemiluminescent labels, conjugates, assays, assay kits |
| 06/07/1995 | EP0621947A4 Method and apparatus for performing and universally detecting capillary isoelectric focusing without mobilization using concentration gradient imaging systems. |
| 06/07/1995 | EP0515625B1 INDICATOR SUBSTANCE OF AN OPTICAL FLUORESCENCE MEASURING ARRANGEMENT FOR MEASURING THE pH OF A SAMPLE AND OPTICAL SENSOR WITH SUCH AN INDICATOR SUBSTANCE |
| 06/07/1995 | EP0491863B1 Method and means for detecting polyhydroxyl compounds |
| 06/07/1995 | CN2200182Y High frequency mineral lighting detector |
| 06/07/1995 | CN2200181Y Narrow high prism type jewelry refractor |
| 06/07/1995 | CN1103487A Method for determination of coloring element Co in color glass |
| 06/07/1995 | CA2136126A1 Process and apparatus for the optical inspection of a transparent region of a container, in particular the mouth region |
| 06/06/1995 | US5422726 Solid state spectrofluorimeter and method of using the same |
| 06/06/1995 | US5422718 Elastic-part immersion cell for analyzing microstructures in materials |
| 06/06/1995 | US5422714 Device for comparing the refractive indices of an optical immersion liquid and a reference glass |
| 06/06/1995 | US5422711 Gem viewing and manipulation apparatus |
| 06/06/1995 | US5422703 Reflected light measuring method and reflected light measuring apparatus for a microscopic photometric system |
| 06/06/1995 | US5422495 Optical sensor having a floatation means for detecting fluids through refractive index measurement |
| 06/06/1995 | US5422485 Infrared breath analyzer with calibration provisions and related method |
| 06/06/1995 | US5422483 Near infrared analyzer |
| 06/06/1995 | US5422476 Glass container inspection machine |
| 06/06/1995 | US5422283 Solid-phase interferometric immunoassay system |
| 06/06/1995 | US5422075 Chemical luminescence-detecting apparatus with multiple sensors |
| 06/06/1995 | US5421339 Detecting tissue abnormality in a diagnostic cervical tissue sample |
| 06/06/1995 | US5421194 Liquid quality analysis system combining sparging and an infrared gas cell |
| 06/01/1995 | WO1995015055A1 Imaging apparatus |
| 06/01/1995 | WO1995014928A1 Metal chelate containing compositions for use in chemiluminescent assays |
| 06/01/1995 | WO1995014919A1 Method and dichrograph for measurement of circular dichroism, optical rotation and absorption spectra |
| 06/01/1995 | WO1995014427A1 Device for examining tissues with light |
| 06/01/1995 | WO1995010036A3 Cytological screening method |
| 06/01/1995 | WO1995008774A3 Automated continuous and random access analytical system and components thereof |
| 06/01/1995 | DE4441023A1 Gas analyser |
| 06/01/1995 | DE4341462A1 Measuring the material composition of substances |
| 06/01/1995 | DE4340165A1 Detection and elimination of foreign bodies |
| 06/01/1995 | DE3152560C2 Method and device for processing a measurement signal subject to fluctuations |
| 05/31/1995 | EP0655621A1 Method and apparatus for differentiating between product-specific contents, as well as between contaminations due to foreign substances, in reusable beverage bottles |
| 05/31/1995 | EP0655620A1 Real-time wafer temperature measurement based on light scattering |
| 05/31/1995 | EP0655619A1 Sensor system |
| 05/31/1995 | EP0655610A2 Dynamic fluid level and bubble inspection for quality and process control |
| 05/31/1995 | EP0655424A1 Method of bonding two optical surfaces together, optical assembly thus formed, and particle-optical apparatus comprising such an assembly |
| 05/31/1995 | EP0655221A1 Colorimetrical measuring head, and method for determining the internal colour of a non opaque material |
| 05/31/1995 | EP0655162A1 Compositions of bacteriorhodopsin variants with increased memory time and their use |
| 05/31/1995 | EP0655128A1 Spectroscopic systems for the analysis of small and very small quantities of substances |
| 05/31/1995 | EP0655064A1 Chromogenic reagents |
| 05/31/1995 | CN2199537Y 比色瓶 Colorimetric bottle |
| 05/31/1995 | CN1103161A High precision measuring method and device for laser cavity change displacement and refractive index |
| 05/30/1995 | US5420723 Arrangement for transmission and reception of electro-magnetic radiation |
| 05/30/1995 | US5420689 High speed illumination system for microelectronics inspection |
| 05/30/1995 | US5420682 Method and apparatus for compensating spectral data with a color sensor |
| 05/30/1995 | US5420680 Method for measuring refractive index and thickness of film and apparatus therefor |
| 05/30/1995 | US5420628 Video densitometer with determination of color composition |
| 05/30/1995 | US5420440 Optical obscruation smoke monitor having a shunt flow path located between two access ports |
| 05/30/1995 | US5420439 Process to detect and count yarn defects having a color background and a camera |
| 05/30/1995 | US5420432 Organic pollutant monitor |
| 05/30/1995 | US5420041 Method of acid value determination by infrared absorption |
| 05/30/1995 | US5419438 Apparatus and method for sorting post-consumer articles according to PVC content |
| 05/30/1995 | US5419321 Non-invasive medical sensor |
| 05/30/1995 | US5419320 Method and apparatus for obtaining an image indicating metabolism in a body |
| 05/30/1995 | CA2083037C Method and apparatus for determining the image clarity of a surface |
| 05/26/1995 | WO1995014243A1 Object detection system |
| 05/26/1995 | WO1995014225A1 System for analysing substances at the surface of an optical sensor |
| 05/26/1995 | WO1995013739A1 Method and device for the non-invasive transcutanean determination of the concentrations of substances in human body fluids or tissues |
| 05/26/1995 | CA2151960A1 System for analysing substances at the surface of an optical sensor |
| 05/25/1995 | CA2136583A1 Device for detecting light diffused by colloidal thin films |
| 05/25/1995 | CA2135470A1 Dynamic fluid level and bubble inspection for quality and process control |
| 05/24/1995 | EP0654795A1 Radiographic phosphor panel having binder compatible oxosulfur stabilizer |