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)
12/1986
12/10/1986EP0204616A1 Compositions useful for detecting oxygen, process for preparing these compositions and oxygen detectors comprising them
12/10/1986EP0204334A2 Integral multilayer analytical element for analysis of ammonia-forming substrate
12/03/1986EP0203443A2 Test kit for the carrying out of chemical analyses
12/03/1986EP0203334A2 Means and method for the determination of calcium
12/02/1986US4626413 Instrument for measurement of the organic carbon content of water
12/02/1986US4626412 Method and apparatus for carrying out catalyzed chemical reactions and for studying catalysts
11/1986
11/26/1986EP0202824A2 Oxidation process
11/26/1986EP0202423A1 Portable gas dosimeter
11/25/1986US4624133 Apparatus for determining the concentration of oil in another liquid
11/20/1986EP0201663A1 Test tubes
11/18/1986US4623461 Transverse flow diagnostic device
11/18/1986CA1214093A1 Specimen-collection wipe for occult-blood detection
11/12/1986CN85103706A Synthesis of bromo-azo-phosphines (psn), a color producing reagent for the determination of total amount of rare earth
11/12/1986CA1213982A Process and device for indicating and evaluating environmental parameters
11/12/1986CA1213817A Cuvette for the analytical determination of chemical components in fluids
11/12/1986CA1213816A Method and composition for detecting the presence of a chromate coating on aluminum
11/11/1986US4622207 Reagent test device having sealed matrix boundaries
11/11/1986US4622009 Carbon, hydrogen, and nitrogen analyzer
11/05/1986EP0200142A1 Integral multilayer analytical element
11/04/1986US4620941 Thermochromic compositions
10/1986
10/29/1986EP0199205A1 Sealed reagent matrix
10/29/1986EP0198971A1 Process for purification of silane and analysis of contaminants therein
10/28/1986US4619902 Total organic carbon analyzer
10/28/1986US4619900 Solvent for the determination of water by the Karl Fischer method
10/22/1986EP0198426A1 Combination of Microingredient and tracer
10/22/1986EP0198286A2 Analytical compositions, elements and methods utilizing reduction of ferric ion chelates to form detectable dyes
10/21/1986US4618475 Reagent test device containing hydrophobic barriers
10/21/1986US4618452 Rinsing to remove explosives, contacting with strong base suspension
10/21/1986CA1212891A1 Collection of specimens and detection occult blood therein
10/15/1986CN86102668A Microingedient containing tracer
10/14/1986CA1212605A1 Gaseous contaminant dosimeter with modified absorbant medium
10/14/1986CA1212602A1 Assay for analysis of whole blood
10/07/1986US4615983 Separating bound antigen-antibodies and free labelled antigen; efficient, storable
10/01/1986CN86100651A Fastly and simply determining method for discriminating pure honey from adulterate one
09/1986
09/23/1986US4613575 Indicator for determining organic isocyanates on a carrier
09/23/1986US4613574 Calibrated precipitate to determine eye irritating properties
09/17/1986CN85102679A Direct reading microcomputer analyzer for automatically analyzing carbon and sulphur in steel
09/16/1986US4612290 Extraction with amine, photometry
09/16/1986US4612289 Method for analyzing liquid sample
09/10/1986EP0193939A2 Line system for laboratory purposes
09/10/1986EP0193692A1 Process for assessing the surface state of keratinous fibres, and composition for carrying out said process
09/10/1986EP0193652A2 Method and activation mixture for determining nitrogen in organic compounds
09/10/1986CN86101953A Rapid colorimetric estimation and automatic measuring device of total cyanogen
09/10/1986CN86101111A Chemical method for the measurement of low temp. plasma
09/09/1986US4610966 Dansyl chloride testing method
09/09/1986CA1211007A1 Process and apparatus for sealing reagent ribbons
09/03/1986EP0193061A2 Viability test device
09/03/1986EP0193036A2 Use of an optical filter with a reversible change of colour
09/02/1986CA1210677A1 Use of quaternary ammonium polyelectrolyte salts in test means, test device and method for determining the ionic strength or specific gravity of a liquid sample
08/1986
08/27/1986EP0192129A2 Method for making reagent solutions
08/26/1986US4608345 Accurate simplified qualitative analysis
08/19/1986US4606351 Hermetic sealed, light permeable membrane enclosing a liquid crystal
08/19/1986CA1209887A1 Analytical test composition, device and method for the determination of peroxidatively active substances ms-1286
08/14/1986WO1986004681A1 Reducible compounds and analytical compositions, elements and me thods utilizing same
08/12/1986US4605629 Method of eluting reagent from reagent strips for chemical analyses and reagent strip therefor
08/06/1986EP0189809A2 Stable chloride test device
08/06/1986EP0189640A1 Diluting dosage device
08/05/1986US4604347 Analytical element for dry analysis
08/05/1986US4604264 Test strips
08/05/1986CA1209020A1 Relative humidity or water activity apparatus
07/1986
07/30/1986EP0188667A2 Method for titrimetric content determinations in chemical reaction systems
07/30/1986EP0188516A1 Reagent test for determining the water content of a product
07/22/1986US4601882 Oxygen analyzer
07/15/1986US4600827 Dual-powered pyrolysis probe driving circuit
07/15/1986CA1207605A1 Sterilizing agent-detecting probe semi-permeable membrane
07/09/1986CN85100454A Volumetric apparatus
07/02/1986EP0186115A2 Electrochemical method for determining end points of organic or inorganic reactions and electrode therefor
07/02/1986EP0186100A2 Analytical device and method for using same
07/02/1986EP0185982A1 Reagent test device
07/02/1986CA1206793A Process for cheese making
07/01/1986US4597942 Device to indicate the concentration of ethylene oxide in the workplace
07/01/1986US4597806 Precipitating nickel with dimethylglyoxime;adding soluble copper c
06/1986
06/24/1986US4596696 Disposable sterilizer mechanical air removal test pack
06/17/1986US4595011 Transdermal dosimeter and method of use
06/11/1986EP0183697A1 A method and a device for the quantitative assay of nh 3? in a sample
06/10/1986US4594225 Elements for analysis of calcium
06/10/1986US4594224 Analytical element
06/04/1986EP0183442A2 Chromatographic device and method
06/03/1986US4592893 Quantitative analysis of liquids
05/1986
05/28/1986EP0182179A1 Integral multilayer analytical element for use in the measurement of alkaline phosphatase acitivity
05/28/1986EP0182102A2 Method of determining the amount of an anionic material
05/27/1986US4591556 Apparatus and associated methods for use in microbiological, serological, immunological, clinical-chemical and similar laboratory work
05/27/1986US4591524 Chromatographic sheet of layer for pressurized layer chromatographic apparatus
05/27/1986CA1204988A1 Test strip and process for the production thereof
05/13/1986US4588696 Pellet process for the detection of formaldehyde and/or glutaraldehyde
05/13/1986US4588695 Colorimetric analysts
05/13/1986US4588555 Device for use in chemical reactions and analyses
05/13/1986US4588554 Reagent package
05/13/1986CA1204300A1 Process for monitoring incremental environmental exposures of products that undergo progressive quality changes in response to environmental stimuli
05/07/1986EP0179758A1 Reagent for the determination of inorganic phosphate and use thereof in a rate analysis method.
05/06/1986US4587101 Measuring device for determining the O2 content of a sample
05/06/1986US4587100 Multilayer analytical element for the detection of hydrogen peroxide
05/06/1986US4587099 Test strips for the detection of a liquid sample component
05/06/1986CA1204048A1 Method for the detection and removal of substitution labile transition metal ions
04/1986
04/29/1986CA1203743A1 Karl-fischer reagent and procedure for the determination of water using it
04/23/1986EP0178461A2 Method for determining the free acid content of metal chloride compositions
04/15/1986US4582795 Device for rapid diagnosis of dental caries
04/15/1986US4582686 Apparatus for analyzing elements contained in metal compositions
04/15/1986US4582684 Cuvette for the photo determination of chemical components in fluids
04/15/1986US4582572 Passing constant direct current through solution to be titrated