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)
08/1993
08/31/1993US5240862 Process and device for the separation of a body fluid from particulate materials
08/31/1993US5240844 Colorimetric analysis
08/31/1993US5240681 Apparatus for injection analysis of total inorganic phosphate
08/31/1993US5240604 Multidimensional chromatographic system
08/31/1993US5240603 Decoupled flow and pressure setpoints in an extraction instrument using compressible fluids
08/29/1993CA2089857A1 Method for deciding the reactivity and soot index of carbon products and equipment therefor
08/25/1993EP0377729B1 Improved methods of using chemiluminescent 1,2-dioxetanes
08/24/1993US5238846 Indicator compositoin of potassium permanganate, sodium hydroxide and sodium acetate
08/24/1993US5238818 Oxidizable color producing reagent
08/24/1993US5238610 Method of detecting oxidizing agents in aqueous media through the use of chemiluminescent microemulsions
08/24/1993CA1321535C Oxidative rainbow
08/19/1993WO1993016386A1 Method for immobilizing dye on substrates
08/19/1993WO1993015829A1 Temperature scanning reactor
08/19/1993CA2129839A1 Method for immobilizing dye on substrates
08/19/1993CA2128723A1 Temperature scanning reactor
08/18/1993EP0555464A1 Compositions and methods for identifying a solution.
08/18/1993EP0526559A4 Reaction control and solids characterization device
08/17/1993US5236848 Procedure and agent for the determination of nitrate ions
08/17/1993US5236845 Comparing absorbance curve of complex formed from sample and 3-/2-pyridyl/-5,6-bis/4-phenylsulfonic acid/-1,2,4-triazine with standard ferrous ion complex
08/17/1993US5236353 For analysis
08/11/1993EP0555045A1 Improved oxidative coupling dye for spectrophotometric quantitative analysis of analytes
08/11/1993EP0428514B1 Process and device for determining oxidable substances contained in the water of an aqueous sample liquid
08/11/1993CN1075210A Automatic titrimeter for measuring resistance of titration liquid
08/10/1993US5234818 3-aminopyrazolo heterocyclic derivatives, and use for colorimetric determinations
08/10/1993CA1321160C Apparatus for fixing the position of the test zones of a test strip and for reversing the latter
08/05/1993WO1993015403A1 Food spoilage detection method
08/05/1993WO1993015402A1 An apparatus for indicating the presence of co2 and a method of measuring and indicating bacterial activity within a container or bag
08/05/1993WO1993015401A1 Sample dispersing apparatus and method for use with pyrolysis furnace
08/05/1993WO1993015398A1 Method of identifying chemicals by use of non-radioactive isotopes
08/05/1993WO1993014699A1 Indicator for determining and indicating the fat and moisture content of human skin
08/05/1993CA2126694A1 Food spoilage detection method
08/04/1993EP0553427A1 Water-soluble methylenebis(dialkylaniline) derivatives and application thereof
08/03/1993US5232663 Rapid binding reaction and separation of product during flow through fixing layer; absorbent layer downstream with detection means
08/03/1993CA1320843C Reflection plate for a biochemical measuring instrument
07/1993
07/29/1993DE4302218A1 Indicator of fat and moisture content in human skin - contains fat and moisture sensitive substance on carrier which changes colour depending on skin fat or moisture content
07/28/1993CN2139269Y Nitrogen apparatus
07/27/1993US5231034 Cupric chloride assay for detection of analytes
07/22/1993WO1993014399A1 Carbon dioxide detector
07/22/1993WO1993014241A1 A method for the acidic conversion treatment of aluminum containing metal
07/22/1993CA2127377A1 A method for the acidic conversion treatment of aluminum containing metal
07/21/1993EP0552107A1 pH and pCO2, sensing by luminescent lifetimes and energy transfer
07/21/1993EP0263875B1 Multiple control standard for blood analysis
07/20/1993US5229300 Adjusting pH in aqueous solution; partitioning with semipermeable membrane
07/20/1993US5229299 Analyzing for sodium chloride in concretes, silver dichromate
07/20/1993US5229295 Method for testing gasoline for water and alcohol in the presence or absence of the other
07/20/1993CA1320420C Paper chemical agent detectors
07/18/1993CA2087412A1 Ph and pco2 sensing by luminescent lifetimes and energy transfer
07/13/1993US5227310 Device and method for assay of liquid sample
07/13/1993US5227135 Chemiluminescence detector and flame ionization detector
07/07/1993CN2137792Y Automatic controlling titration apparatus for test colour
07/07/1993CN1021520C Method for mfg. available chlorine indicator paper
07/06/1993US5224373 Flexible humidity indicator and container
07/06/1993CA1319831C Sensing device for analysis
07/01/1993DE4143170A1 Determining mercury content in gases - by removing sample, feeding through glass frit, cooling, feeding to condenser, heating and analysing in photometer
06/1993
06/30/1993EP0502121A4 Process and apparatus for simultaneous measurement of sulfur and non-sulfur containing compounds
06/30/1993EP0501955A4 Selective detection of vapors
06/29/1993US5223438 Preventing liberation of iodine giving false results; diagnostic process; comprising iodic acid, or iodate, and monovalent thallium compound
06/29/1993US5223436 Test carrier for the analytical determination of a component of a liquid sample
06/29/1993US5223433 Temperature stabilized fluid calibration system
06/29/1993US5223390 Analytical elements containing non-reactive blocking dyes
06/29/1993US5222390 Crystallization analysis fractionization
06/24/1993WO1993012428A1 Ion-sensitive dyes
06/23/1993EP0548020A2 Method for the continuous quantitative determination of fluorine containing compounds
06/23/1993EP0547709A2 Test elements and method for manufacturing thereof
06/23/1993EP0547114A1 Microassay on a card
06/22/1993US5221626 Adding a 2-pyridylazo-aminophenol deriving zinc coloring reagent and a mixture of a surfactant, salicylaldoxime and dimethyglyoxime which masks nickel, cobalt, iron or cooper to a serum sample and measuring absorbance of solution
06/20/1993CA2084731A1 Slide frame and manufacturing process
06/16/1993EP0546390A1 Device for creatinine determination
06/10/1993CA2084528A1 System for creatinine determination
06/09/1993EP0545148A1 Indicators for determining the protonconcentration
06/09/1993EP0545128A1 Improved composition and device for urinary protein assay and method of using the same
06/09/1993EP0544988A1 Decoupled flow and pressure setpoints in an extraction instrument using compressible fluids
06/09/1993CN2135783Y Precision counter for buret
06/02/1993EP0544142A1 Process and apparatus for elemental analysis of halogens
06/02/1993CN2135153Y Titration apparatus for volumetric analysis
06/01/1993US5215925 Complexing with formazan dyes at a PH from about 8.5 to 10.5 and colorimetric analysis
06/01/1993US5215924 Method for the determination of an ion with increased sensitivity, use of substances which are suitable for this and a corresponding agent
06/01/1993US5215922 Colorimetric analysis; complexing in presence of magnesium which binds 8-hydroxyquinoline-5-sulfonate without forming colored complex and nonreactive with arsenazo III
06/01/1993US5215712 Reagent layer having pigment with solubility which varies with ion concentration; detecting color developed on surface of spreading layer
06/01/1993CA1318580C Analytical test strip
05/1993
05/30/1993CA2081868A1 Composition and device for urinary protein assay and method of using the same
05/28/1993CA2074667A1 Method and apparatus for analysis of macromolecular materials by pyrolysis
05/27/1993WO1993010450A1 Fluorophore-assisted therapeutic drug monitoring
05/18/1993US5212098 Bromide ion determination
05/18/1993US5212095 Flow injection nonaqueous solvent neutralization titration process and apparatus
05/18/1993US5211914 Test carrier for the determination of ions
05/18/1993US5211679 Air quality monitoring method and apparatus
05/18/1993CA1317793C Dosimeter construction
05/18/1993CA1317790C Apparatus for the heat treatment of gaseous samples
05/13/1993WO1993009430A1 Method of analysis
05/05/1993EP0540377A1 Device for monitoring gases
05/04/1993US5208165 Method for testing the soluble contents of nuclear reactor coolant water
05/04/1993US5207985 Kit for use in assay method for the determination of lithium with novel substituted crown dyes
05/04/1993US5207507 Method for continuous thermogravimetric analysis of coal
04/1993
04/28/1993EP0539175A2 Reagent composition for measuring ionic strength or specific gravity of aqueous solution samples
04/28/1993EP0538678A2 O-FID analytical equipment and method
04/27/1993US5206175 Using a fluorescent dye to form an adduct and measuring the difference in the absorption spectra
04/27/1993US5205988 Semipermeable membrane; solvent to dissolve and absorb; means to add reagent; detectors
04/20/1993US5204270 Furnace with two hot zones holding multiple gas analysis cells; infrared light detectors; quantitative analysis of formed oxidation gases
04/20/1993US5204242 Substituted phenols