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)
05/1997
05/22/1997WO1997018036A1 Diagnostic test apparatus
05/22/1997CA2237395A1 Diagnostic test apparatus
05/21/1997EP0774656A2 Method of optically measuring liquid in porous material
05/21/1997EP0774160A1 Mass spectrometer for macromolecules with cryogenic particle detectors
05/21/1997EP0456751B1 A method of testing for a substance on a solid surface using a swab stick
05/20/1997US5631353 Alkene adamantane intermediates and the corresponding 1,2-dioxetanes
05/20/1997US5631163 Method for the determination of specific gravity of fluids
05/20/1997US5631141 High resolution biosensor for in-situ microthermometry
05/20/1997US5630372 On demand useful life indicator
05/20/1997CA2050394C Colorimetric method and reagent for the assay of lithium in a test sample
05/20/1997CA2035793C Reagent and method of using same for automatically counting basophilic leukocytes in the blood in resistivity variation measuring apparatus
05/16/1997CA2189906A1 Method of optically measuring liquid in porous material
05/14/1997EP0659275A4 Analytical test apparatus with on board negative and positive control.
05/13/1997US5628960 Composite cellulose nitrate membrane on polyester support
05/09/1997WO1997016720A1 Method of measurement of material and testpiece
05/07/1997EP0527217B1 Process for the manufacture of a self-supporting test field material and said material
05/02/1997EP0770872A1 Improved method for the determination of specific gravity of fluids
05/02/1997EP0575515A4 Improved method and reagent for determination of an analyte
05/01/1997WO1997015832A1 Optical sensor system for the determination of ph values independently of ionic strength
05/01/1997CA2235343A1 Optical sensor system for the determination of ph values independently of ionic strength
04/1997
04/30/1997CN1034768C Method for testing SiO2 content of water sample
04/29/1997US5624847 Method for optically measuring chemical analytes
04/29/1997US5624640 Sensor for detecting nitrogen oxide
04/24/1997WO1997014954A1 Improved chemiluminescent 1,2-dioxetanes
04/24/1997CA2231191A1 Improved chemiluminescent 1,2-dioxetanes
04/24/1997CA2188490A1 Improved method for the determination of specific gravity of fluids
04/23/1997EP0769490A1 Reagent for the detection and isolation of carbohydrates or glycan-receptors
04/23/1997EP0768860A2 Dental impression material with cure-indicating dye
04/22/1997US5622764 Sterilization indicators and methods
04/17/1997DE19538125A1 Gas detecting and measuring system which detects colour change in reagent it is pumped through
04/16/1997EP0767909A1 Multi-layer test devices and methods of assaying for fructosamine
04/16/1997EP0767680A1 Method for indicating neutralization of contact lens disinfecting solutions
04/15/1997US5620900 Means and method for the determination of ammonium ions
04/15/1997US5620658 Having indicator-bearing carrier and substance separately carried on test strip for chemically modifying analyte to a detectable valence
04/15/1997US5620656 Packaging systems for peracid sterilization processes
04/15/1997CA2099922C Fluorescent ph indicators
04/10/1997WO1997013137A2 Microwave assisted chemical processes
04/10/1997WO1997013136A1 Microwave apparatus for controlling power levels in individual multiple cells
04/10/1997CA2233715A1 Microwave apparatus for controlling power levels in individual multiple cells
04/09/1997EP0767383A1 Metal ion determination by sandwich aggregation assay
04/09/1997EP0767382A2 Fluorescent compounds and their use for measuring reticulocytes
04/09/1997EP0766816A1 Optical gas sensor
04/09/1997EP0766724A1 Use of carbonyl compounds for marking hydrocarbons
04/09/1997CN1147301A Optical sensor system for determining pH values and ionic strength
04/09/1997CN1147267A Polymerisable composition and use thereof
04/08/1997US5618572 Flavored malt beverages prepared by using ultrafiltration methods
04/08/1997US5618493 Photon absorbing bioderived organometallic carbon monoxide sensors
04/08/1997US5617973 Cartridge for dry-type chemical analysis films
04/07/1997CA2185777A1 Metal ion determination by sandwich aggregation assay
04/03/1997WO1997012242A1 Direct reading chemical test strip for aqueous solutions
04/03/1997WO1997012240A1 Method for chloride ion removal prior to chemical oxygen demand analysis
04/03/1997WO1997012227A1 Optical carbon dioxide sensor, and associated methods of manufacture and use
04/03/1997WO1997012218A2 Biosensor system for measuring levels of organic trace components produced by smouldering fires
04/03/1997DE19536384A1 Biosensorsystem zur Messung von durch Schwelbrände verursachten, organischen Spurenkomponenten Biosensor for measuring caused by smoldering fires, organic trace components
04/03/1997CA2233284A1 Optical carbon dioxide sensor, and associated methods of manufacture and use
04/02/1997EP0766087A2 Use of CO2 absorbant for stabilization of dried alkaline reagent in creatinine assay
04/02/1997CN1034444C Method for continuous determn. of COD and its apparatus
04/01/1997US5616790 Fluorescent chelate compound as metal ion detector
04/01/1997US5616729 Fluorescence
03/1997
03/20/1997WO1997010500A1 Apparatus for testing items of metal such as jewellery
03/19/1997EP0763733A1 Flame-based method and apparatus for analyzing a sample
03/19/1997EP0763363A1 Device for testing and controlling of steam sterilizers working according to vacuum process
03/19/1997CN2249902Y Sensor for colourimetric titration
03/19/1997CN1145194A Iodine salt prodn. tech and its quick continuous assaying
03/18/1997US5612225 Combustion of sample in oxygen, reducing the combustion gases by flowing carrier gas, drying and analyzing
03/18/1997US5612222 Human skin
03/18/1997US5611996 Slide test element holder with minimized Z-axis variability
03/13/1997WO1997009261A1 Web unwinding and splicing apparatus
03/12/1997EP0762120A1 A method for determining total chlorine amount and a kit using the same
03/12/1997EP0760943A1 Improved method of detecting the permeability of an object to oxygen
03/12/1997EP0568610B1 Feedback controlled gas mixture generator especially for an hygrometer reaction check
03/11/1997US5610073 Use of CO2 absorbant for stabilization of dried alkaline reagent in creatinine assay
03/11/1997US5610068 Field method for determining if adequate corrosion inhibition has been applied to thermally processed cans
03/11/1997US5609823 System for the analysis of sample liquids
03/05/1997CN1144559A Optical sensor for determination of ions
03/04/1997US5608006 Entrapped non-enzymatic macromolecules for chemical sensing
03/04/1997US5607645 Quantitative analysis using detectors with ph indicators, bicarbonate buffers and signals
02/1997
02/26/1997CN1143763A Chemical timer for direct-reading reagent test strip
02/25/1997US5605839 Methods and apparatus for use in sequential chemical reactions
02/20/1997WO1997006238A1 Brewing products and their methods for production
02/20/1997CA2675706A1 Brewing products and their methods for production
02/19/1997EP0758451A1 OPTICAL SENSOR SYSTEM FOR DETERMINING pH VALUES AND IONIC STRENGTHS
02/19/1997EP0758450A1 Optical sensor for the determination of ions
02/19/1997EP0758361A1 Polymerisable compositon and the use thereof
02/18/1997US5604103 Kit for detection of clinical marker in kidney stone disease
02/18/1997US5603897 Using an iodine chromophore to indicate neutralization
02/13/1997WO1997005482A1 A colorimetric method of detecting thiol or mercaptan compounds and its use for oral malodor determination
02/13/1997WO1997005481A1 On demand useful life indicator
02/12/1997EP0757792A1 Test for petroleum hydrocarbon contamination using dichlormethan
02/11/1997US5601804 Antiplaque agent
02/06/1997WO1996034738A3 A method of making a laminated substrate and an apparatus for marking the substrate with reagent
02/05/1997EP0756704A1 Method of detecting the permeability of an object to oxygen
02/05/1997EP0716740B1 Method for activation of polyanionic fluorescent dyes in low dielectric media with quaternary onium compounds
02/05/1997EP0593566B1 Adjustment of electric potential by automatic titration
02/04/1997US5600142 Measurement of vaporized hydrogen peroxide
01/1997
01/30/1997WO1997003354A1 Method and apparatus for the measurement of dissolved carbon
01/30/1997WO1997002892A1 Distributor device, in particular for a chemical analysis arrangement
01/29/1997EP0745219A4 Improved cell and circuit for monitoring photochemical reactions
01/28/1997US5597702 Automated lead assay
01/28/1997CA2065698C 14-crown-4-ether derivatives