Patents
Patents for G01N 31 - Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroups; Apparatus specially adapted for such methods (18,554)
06/1992
06/02/1992CA1302118C Device for evaluating test strips
05/1992
05/29/1992WO1992008975A1 Dental testing composition
05/27/1992EP0487165A2 Analytical elements containing non-reactive blocking dyes
05/27/1992CN1016814B Rapid colorimetric estimation and automatic measuirng device of total cyanogen
05/26/1992US5116577 Tubular dosimeter
05/26/1992US5116496 Membrane-containing wells for microtitration and microfiltration
05/26/1992US5115687 Method and apparatus for taking a proportional sample of flowing gas in a line
05/26/1992CA1301648C2 Solid-phase analytical device and method for using same
05/24/1992CA2055620A1 Analytical elements containing non-reactive blocking dyes
05/20/1992EP0486156A2 Flow injection analysis of total inorganic phosphate
05/20/1992EP0485940A2 Color test strip carrying pad for correction
05/20/1992EP0485575A1 Composition and method for detecting vapor and liquid reactants
05/20/1992EP0485549A1 Analytical assay.
05/20/1992EP0485410A1 A detector for monitoring low molecular weight compounds
05/19/1992US5114678 Device for wiping a reagent strip
05/19/1992US5114676 Optical sensor for determining at least one parameter in a liquid or gaseous sample
05/19/1992US5114350 Controlled-volume assay apparatus
05/19/1992CA1301036C Testing tube with a plurality of reagent layers
05/14/1992WO1992008968A1 Diesel particulate monitor
05/14/1992WO1992008129A1 Assay for cyclic 1,2-dithiol-3-ones
05/13/1992EP0485368A2 Capillary flow device
05/13/1992EP0484865A2 Fiber optic potassium ion sensor
05/13/1992EP0484706A2 Moisture indicator for breathing apparatus
05/13/1992EP0484622A2 Electrolytic solution for Karl Fischer's coulometric titration and method for measuring water content using same
05/13/1992EP0484578A1 Multifunctional time-temperature indicator
05/13/1992CN1016646B Test carrier for analytical determination of comjponents of body fluids
05/12/1992US5112768 Real-time passive detection of humidity using vanillin
05/05/1992US5110747 Air pollution control
05/05/1992US5110554 Combustion furnace for burning sample to be analyzed
05/05/1992CA1300126C Chromogenic hemispherands and their use in detecting electrolytes in an aqueous test sample
04/1992
04/29/1992EP0483120A2 Vibratory table for transporting particulate material
04/29/1992EP0483117A2 Capillary flow device
04/29/1992EP0482528A1 Dry analysis element for the analysis of iron ions
04/29/1992EP0482465A2 Waterstandard
04/28/1992US5108932 Process for the quantitative determination of at least one parameter of a liquid or gaseous sample
04/28/1992US5108903 Reducible compounds which provide leuco dyes for analytical compositions, elements and methods of using same
04/28/1992US5108902 Microorganism detection; medical diagnosis
04/22/1992EP0481740A2 Optical fiber PH microsensor and method of manufacture
04/22/1992EP0481436A1 Integral multilayer analytical element for determination of ammonia or ammonia-producing substance
04/21/1992US5106758 Analytical test device and the use thereof
04/21/1992US5106754 With microporous hydrophobic bladders separating liquid and gas phases, infrared analyzer to measure carbon dioxide formed
04/21/1992US5106752 Method and reagent for determining the ionic strength or specific gravity of aqueous liquids
04/21/1992US5106647 Method to manufacture gas monitoring test strips
04/17/1992CA2053449A1 Optical fiber ph microsensor and method of manufacture
04/15/1992EP0480340A1 Composition for the detection of redox reactions
04/15/1992EP0211898B1 Reducible compounds and analytical compositions, elements and me thods utilizing same
04/14/1992US5104811 Capillary active passageway on carrier
04/14/1992US5104527 Sensing light transmission; determining titration time; translating into amount of oxidant feed
04/14/1992US5104513 Heated glass ceramic separator in electrical circuit; ammeter; selective for halogenated gases, particularly HFC'S
04/14/1992US5104508 Analysis of carbohydrates
04/14/1992CA1298764C Multiple control standard for blood analysis
04/13/1992WO1992011524A2 Reagent and methods for calcium determination
04/13/1992CA2071206A1 Reagent and methods for calcium determination
04/09/1992DE4031699A1 Testing of high pressure methanol synthesis catalysts - to determine activity and long term stability
04/08/1992EP0478763A1 On-line titration using colorimetric end point detection
04/07/1992US5102804 A mixture of iodine halide and amine salt of heterocyclic compound; storage stability, high speed
04/07/1992US5102628 Riser simulator
04/01/1992EP0477322A1 Slides for use in the analysis of liquids.
03/1992
03/31/1992US5100804 Method for determining chloroformate concentration
03/31/1992US5099743 Selective detection with high speed gas chromatography
03/31/1992CA1298305C Photosensitive calcium chelators
03/31/1992CA1298177C Cobalt containing reagents and methods for the determination of analytes in aqueous fluids
03/25/1992EP0477105A1 Testing device
03/25/1992EP0476715A2 Method and composition for the determination of chloride ions in fluids
03/25/1992EP0476608A1 Substituted phenols
03/25/1992EP0476456A2 Substituted 2-thiazolyl tetrazolium salt indicators
03/25/1992EP0476454A1 Analytical method using tetrazolium salt indicators having a reflectance plateau
03/25/1992CN2099612U Electronic digital display automatic measuring titration instrument
03/25/1992CN1059793A Tail gas analysis method and its system for measuring the performance of aeration device
03/24/1992US5098848 Exposure to air, stripping with oxidizers and iodide
03/24/1992US5098658 Device for analyzing samples for mercury and/or hydride-forming elements
03/24/1992US5098451 A metal tube with a coating, a heater and cooling means
03/24/1992CA1297883C Vapochromic double-complex salts
03/24/1992CA1297819C Hybridoma tumor cell lines and their monoclonal antibodies to theumatin
03/19/1992WO1992004612A1 Microassay on a card
03/18/1992EP0475349A1 Optical sensor and thermal sensor
03/18/1992EP0475045A1 Method and device for the assay of ions
03/17/1992US5097040 Benzotriazole derivatives and reagents for determining carboxylic acids thereof
03/17/1992US5096836 Gap between layers, melt adhesive
03/17/1992US5096833 Method and device for determining protein using carrier matrix composed of urethane, water insouble inorganic compound and insoluble organic compound and method of making the device
03/17/1992US5096827 Composition for preventing unwanted oxidation of redox indicators
03/17/1992US5096813 Visual indicator system
03/17/1992US5095844 Water in oil detection plug
03/11/1992EP0441875A4 Enhanced electrochemiluminescence
03/11/1992CN1015832B Light or heavy volatile oil determination instrument
03/10/1992US5094957 In aqueous systems
03/10/1992US5094836 Mixed hg-ni reagents for screening diagnosis of cancer
03/10/1992US5094817 Apparatus for quantitative determination of trihalomethanes
03/10/1992US5094815 Photolytic interface for HPLC-chemiluminescence detection of non volatile N-nitroso compounds
03/10/1992CA1296976C Blood serum test strip
03/05/1992WO1992003728A1 So2 sensor and process for detecting so¿2?
03/05/1992WO1992003727A1 Assay for isothiazolones
03/04/1992EP0473101A1 Integral multilayer analytical element and preparation thereof
03/04/1992CN1015743B Water hardness quickly measuring agent
03/03/1992US5092219 Selective decomposition of nitrite esters and nitramines
03/03/1992US5092218 Selective detection of explosives vapors
03/03/1992US5092217 Method of calibrating a vapor detector
03/03/1992US5092157 Vapor collector/desorber with metallic ribbon
03/03/1992US5092156 Vapor collector/desorber with tube bundle and metal foil
03/03/1992US5092155 High speed detection of vapors of specific compounds