Patents
Sitemap › G01 - Measuring; Testing › G01N - Investigating or analysing materials by determining their chemical or physical properties › 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
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)
12/1998
12/08/1998US5846835 Manufacturing method for laminated immunodiagnostic test device
12/08/1998US5846486 Hollow frustum reagent test device
12/08/1998CA2125805C Reduction of background interferences in the molybdate-dye protein assay
12/03/1998WO1998054569A1 Luminol tagged polymers for treatment of industrial systems
12/03/1998WO1998054563A1 Estimation of active infection by helicobacter pylori
12/03/1998WO1998041857A3 Method and kit for measuring carboxylate anions in engine coolants
12/03/1998CA2291844A1 Luminol tagged polymers for treatment of industrial systems
12/02/1998EP0881488A2 Method for the determination of an alkali ion
12/02/1998EP0881487A2 Method for the determination of an alkali ion
12/02/1998EP0881241A2 Copolymers and dyes for optical pH sensors
12/02/1998EP0881225A2 Luminescence indicator
12/02/1998EP0880697A1 Measuring heating value using pre-determined volumes in non-catalytic combusiton
12/02/1998EP0880696A1 Determination of aqueous fluid surfactant concentration
12/02/1998CN2299319Y Gas extracting nitrogen appts.
12/01/1998US5843311 Accelerated solvent extraction method
12/01/1998CA2029490C Easy handling reagent strip
11/1998
11/26/1998WO1998053311A2 Devices and methods for using centripetal acceleration to drive fluid movement in a microfluidics system
11/26/1998WO1998053310A1 Pyrolysis tube for gas chromatography, pyrolysis device, gas chromatographic method and gas chromatograph
11/26/1998WO1998052685A1 Versatile fluidized bed reactor
11/26/1998WO1998052621A1 Sterilization indicator
11/25/1998EP0879064A1 Indicator systems and material compression and insertion devices for preparing same
11/25/1998EP0783692B1 determination of free radicals
11/25/1998EP0782707B1 Assay devices with non-woven sample collection zone
11/25/1998CN1200176A Determination of aqueous fluid surfactant concentration
11/25/1998CN1040911C Carbon dioxide indicator and preparing process
11/24/1998US5840583 Application of radiation controls high temperature at atmospheric pressure and avoids thermal dilution of reagents; monitoring during process maintains consistency; increases rate of chemical reactions
11/19/1998WO1998052045A1 Method and device for producing a predetermined distribution of detectable change in assays
11/19/1998WO1998052035A1 Time indicator based on carbon dioxide production
11/18/1998CN1199168A Mannitol content measuring method for mixed preparation of mannitol and glucose
11/17/1998US5837865 Phosphorescent dendritic macromolecular compounds for imaging tissue oxygen
11/17/1998US5837645 Using 3,3-bis(4-hydroxyphenyl)-1-(3h)-isobenzofuranone ensuring that sunscreen is applied evenly and completely
11/17/1998US5837202 Metal chelates as detectors for fluorescence with lipids
11/11/1998EP0877251A1 Dry analytical elements for the determination of protein
11/11/1998EP0876598A1 Improved chemiluminescent 1,2-dioxetanes
11/10/1998US5834655 Contamination text
11/10/1998US5834626 Colorimetric indicators for breath, air, gas and vapor analyses and method of manufacture
11/10/1998US5833882 Detecting agent
11/05/1998WO1998049548A1 Microfluidic devices incorporating improved channel geometries
11/05/1998WO1998049137A1 Oxidative coloring reagents
11/03/1998US5831144 Refrigeration compressor oil testing process and apparatus
11/03/1998US5831143 Method for detecting hydrogen in waste compounds
11/03/1998US5830683 Indicator systems for determination of sterilization
10/1998
10/29/1998WO1998048282A1 Assay utilizing magnetic particles
10/29/1998WO1998048272A1 Method and device for the colorimetric determination of analytes in the presence of interfering particulate materials
10/29/1998CA2259164A1 Method and device for the colorimetric determination of analytes in the presence of interfering particulate materials
10/28/1998EP0873517A2 Novel emulsion for robust sensing of gases
10/28/1998EP0873396A1 Brewing products and their methods for production
10/28/1998CN2296009Y Multifunctional chemical composition analyzer
10/27/1998US5827332 Mixing oil soluble dyes with oils for visibility, simplified detection
10/27/1998US5827200 Method and apparatus for detecting amine producing organisms in the vagina
10/22/1998WO1998046994A1 Chemical indicator and its use
10/22/1998WO1998046992A1 Method for detecting s-nitroso compound
10/22/1998WO1998046988A1 Method for detecting hydrogen in waste compounds
10/22/1998WO1998046279A1 Chemical indicator sheets and packaging bags for sterilization made with the use of the same
10/22/1998DE19710525A1 Vorrichtung und Verfahren zur Probennahme in fluiden Phasen mit einem Diffusionskörper und einer analytbindenden weiteren Phase Apparatus and method for sampling in fluid phases with a diffusion body and a further analyte-phase
10/22/1998CA2255857A1 Method for detecting s-nitroso compound
10/21/1998EP0872736A1 Assay utilizing magnetic particles
10/21/1998EP0871877A1 Method and apparatus for the measurement of dissolved carbon
10/21/1998EP0871501A1 Sterilization indicators and methods
10/21/1998CN2295218Y Double-tube titration device
10/20/1998US5826214 Hand-held probe for real-time analysis of trace pollutants in atmosphere and on surfaces
10/20/1998US5824553 Disposable sterilization test pack for evaluating steam and ethylene oxide sterilization
10/20/1998US5824526 Doped sol-gel glasses for obtaining chemical interactions
10/15/1998WO1998045701A2 Device and method for measuring solubility and for performing titration studies of submilliliter quantities
10/13/1998US5821127 Fluorescent compounds and their use for measuring reticulocytes
10/13/1998US5820823 Method and apparatus for the measurement of dissolved carbon
10/13/1998US5820260 Measuring heating value using predetermined volumes in non-catialytic combustion
10/08/1998WO1998044348A1 Detection of low level hydrophobic analytes in environmental samples
10/08/1998WO1998044347A1 Detection of low level analytes in samples
10/08/1998WO1998043739A2 Diagnostic devices and apparatus for the controlled movement of reagents without membranes
10/08/1998DE19800537A1 N-Methyl-4-hydrazino-7-nitro-benzo-2-oxa-1,3-diazole
10/07/1998EP0869361A2 Method of and device for measuring antioxidation capability of liquid sample
10/06/1998US5816705 Measuring heating value of a gas using flameless combustion
10/06/1998CA1340070C Methods of using chemiluminescent 1,2-dioxetanes
10/01/1998WO1998043079A1 Improved surfactant/detergent titration analysis method and apparatus for machine working fluids, surfactant-containing wastewater, and the like
09/1998
09/30/1998EP0867719A1 Method and kit for testing polyolester lubricants used in refrigerant compressors
09/30/1998EP0692983B1 Shelf-life indicator for repeatedly sterilizable plastic products
09/30/1998CN2293072Y Karl-Fischer moisture measuring apparatus
09/29/1998US5814522 Multilayer analytical element for the determination of an analyte in a liquid
09/29/1998US5814521 Contacting polyvalent metal ion in liquid matrix with chelating agent, linking chelating agent to carrier, measuring aggregation as function of amount of ion present
09/24/1998WO1998041870A1 Recording assay device
09/24/1998WO1998041859A1 Novel polymerized crystalline colloidal array sensors
09/24/1998WO1998041857A2 Method and kit for measuring carboxylate anions in engine coolants
09/24/1998WO1998041838A1 Device and method for sampling in liquid phases using a diffusion body and an analyte-binding phase
09/24/1998CA2283565A1 Novel polymerized crystalline colloidal array sensors
09/23/1998EP0865606A1 Devices and methods for using centripetal acceleration to drive fluid movement in a microfluidics system with on-board informatics
09/23/1998CN1193741A Trace analysis of apparent total quantity of N-nitrosyl compounds
09/22/1998US5811254 Broad range total available chlorine test strip
09/17/1998WO1998040725A1 A system and a method for detecting antifreezing substances in a hermetic compressor
09/16/1998EP0864363A2 Liquid specimen collection device
09/16/1998CN1193106A Liquid-sample collection device
09/11/1998WO1998039651A1 Colorimetric dry reagent test device and method for the determination of analytes in solutions containing interfering colored substances
09/11/1998WO1998039333A1 Crown ether-derivatised perylenes
09/11/1998CA2281808A1 Colorimetric dry reagent test device and method for the determination of analytes in solutions containing interfering colored substances
09/10/1998DE19708179A1 Reduction tube for determination of nitrogen in elemental analysis
09/09/1998EP0863401A1 Analytical test device with liquid-filled blister
09/09/1998EP0862741A1 Optical sensor system for the determination of ph values independently of ionic strength
09/03/1998WO1998038508A1 System for detecting amine and other basic molecular contamination in a gas
09/02/1998EP0861843A2 Fluorescent ionophoric compounds with a cryptand/crown-ether portion and a coumarin portion, their preparation and their use for measuring metal cation concentrations
09/02/1998EP0861439A1 Composition and method for manufacturing ion selective electrode sensors
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