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)
12/1994
12/08/1994	DE4318151A1 Process for the preparation of reaction materials for specific and direct reactions and detections of nitrate and of nitrate compounds based on novel chemical reactions
12/08/1994	CA2161240A1 Photochemical determination of organic compounds
12/07/1994	EP0627363A1 A gas indicator for a food package
12/07/1994	EP0627260A1 Method and apparatus for local protection of piping systems from stress corrosion cracking
12/07/1994	EP0626882A1 Temperature scanning reactor
12/07/1994	CN2184930Y YS-fully automatic multifunction extractor
12/07/1994	CN1096102A Standard colloidal zinc sulphide solution and its preparation
12/06/1994	US5371018 Qualitative and quantitative processes for reactive chemicals in liquids using doped sol-gel glasses
11/1994
11/29/1994	US5369007 Drug abuse
11/29/1994	CA1333251C Composition and method of assaying for trace amounts of proteins
11/24/1994	WO1994027144A1 Detection of contaminants in food
11/24/1994	WO1994026233A1 Novel materials and methods utilizing a temporary visual indicator
11/24/1994	DE4315968A1 Method and device for measuring <12>C and <13>C proportions
11/23/1994	EP0377738B1 Method for determining chloride
11/23/1994	CN1095480A Quick assaying method for crystallizing terminal of zeolite molecular sieve
11/22/1994	US5366900 Exposing to ultraviolet radiation to make nitric oxide; detection
11/17/1994	EP0624796A1 Apparatus for the trapping of reaction products
11/17/1994	EP0624251A1 Sample dispersing apparatus and method for use with pyrolysis furnace
11/17/1994	EP0624250A1 Method of identifying chemicals by use of non-radioactive isotopes
11/15/1994	US5364797 Sensor device containing mesoporous crystalline material
11/15/1994	US5363696 Method and arrangement for oil well test system
11/15/1994	US5363661 Method and apparatus for testing refrigerant
11/15/1994	CA2011371C Rapid hair ph indication and solution therefor
11/10/1994	WO1994025856A1 Method and device for the determination of polymeric biguanides in aqueous fluids
11/09/1994	EP0623599A1 Optical sensors for the determination of cations
11/09/1994	EP0623212A1 Food spoilage detection method
11/09/1994	CN1094735A Tagging and identifying asphalt additives
11/08/1994	US5362652 Spectrophotometric detection of hydroperoxides in hydrocarbons
11/08/1994	US5362650 Ultra-low range chlorine determination
11/08/1994	US5362633 Method of assaying for peroxidatively active substances
11/03/1994	DE4419466A1 Ammonia chemiluminescence reaction for detection of urine in reusable bottles and containers
11/02/1994	EP0622631A2 Tagging and identifying asphalt additives
11/02/1994	EP0622626A2 System for analysing the components of fluid samples
11/02/1994	EP0622119A1 System for dispensing test elements
11/02/1994	CN2181692Y Automatic sample feeder for chemical colour comparison
11/01/1994	US5360595 Reduction to formazan; colorimetric analysis; hexanesulfonate wetting agent
10/1994
10/27/1994	WO1994024213A1 Cyclic-substituted unsymmetrical cyanine dyes
10/27/1994	WO1994024126A1 Ion-sensitive calixarenes
10/27/1994	WO1994023763A1 Shelf-life indicator for repeatedly sterilizable plastic products
10/27/1994	CA2136017A1 Ion-sensitive compounds
10/26/1994	EP0621481A2 System for analysing the contents of liquid samples
10/26/1994	EP0620918A1 Carbon dioxide detector.
10/26/1994	EP0620869A1 A method for the acidic conversion treatment of aluminum containing metal
10/25/1994	US5358876 Detection of oxygen by color changes when thiazine or indigo dyes(or mixtures) complex with aliphatic hydroxyl amines in presence of oxygen
10/25/1994	US5358875 Method and composition for halohydrocarbon detection
10/18/1994	US5356818 Measuring comsumption of nitric oxide
10/18/1994	US5356782 Analytical test apparatus with on board negative and positive control
10/18/1994	CA1332640C Hot melt wetness indicator
10/13/1994	WO1994022927A1 Synthesis of aminated pvcs by controlled reaction with piperazine
10/13/1994	DE4312097A1 Method for the determination of hydrogen peroxide
10/12/1994	EP0619492A1 Determination of an analyte in a liquid sample
10/12/1994	EP0619491A1 Combined titration apparatus
10/12/1994	CN2179581Y Titrator with digital indication
10/11/1994	US5354689 Reacting a 9-anthracenylmethylamine derivative with isocyanate to form urea functional groups; UV/fluorescence detectors
10/08/1994	CA2100904A1 Combined titration device
10/05/1994	EP0618443A1 Test-strip analysis system
10/05/1994	CN1093166A Titration apparatus
10/04/1994	US5352412 Optical microscope supporting housing with closed chamber for pyrolysis, positionable sources of light and electromagnetic radiation
09/1994
09/28/1994	EP0617275A1 Detector for acid gases or uranium hexafluoride
09/28/1994	EP0437624B1 Testing device for bodily fluid
09/28/1994	CN2178357Y Quick-acting determination meter for coarse fibre
09/27/1994	CA2119840A1 Optical sensor for the determination of cations
09/22/1994	DE4309045A1 Method and device for element-selective determination of the total AOX parameter in water analysis by means of coupling of the conventional AOX combustion analysis with plasma-emission spectroscopy
09/21/1994	EP0616216A2 Reaction vessel for performing analytical assays
09/18/1994	CA2117204A1 Reaction vessel for performing analytical assays
09/15/1994	WO1994020835A1 Method and apparatus for chemiluminescent detection of sulfur
09/14/1994	EP0615127A1 Sample autoloader
09/08/1994	DE4311846C1 Service life indicator for plastic products which can be repeatedly sterilised
09/08/1994	DE4306279A1 Device for monitoring exposed films
09/07/1994	CN1091828A Method for testing Si content
09/06/1994	US5344782 Colorimetric analysis of high sodium body fluids
08/1994
08/30/1994	US5342580 Uses volumetric method by governing pressure, temperature and rate of flow
08/30/1994	CA1331724C System and process for spotting reagents on porous supports
08/27/1994	CA2104815A1 Method for measuring adenyl group-containing substances
08/25/1994	DE4405488A1 Dry analytic element for the measurement of a multiplicity of analytes
08/25/1994	DE4316970C1 Method for determining ammonia in gases
08/24/1994	EP0611966A1 Method, composition and device for measuring the ionic strength or specific gravity of a test sample
08/24/1994	EP0611965A2 Carbon analyzer for both aqueous solutions and solid samples
08/24/1994	EP0611597A1 Microtitration unit
08/24/1994	EP0418385B1 Benzotriazole derivatives and reagents containing same for analyzing carboxylic acids
08/23/1994	US5340746 Forming a soluble gold cyanide complex by passing the cyanide solution through a porous membrane which has surface deposited finely gold
08/23/1994	US5340745 Temperature scanning reaction method
08/23/1994	US5340541 Coulometric analyzer determining the moisture content in sampling consists of dispensers for piercing, sealing the sample containers, enclosed within a controlled glove box
08/23/1994	CA2019980C Analytical assay method
08/20/1994	CA2115282A1 Method, composition and device for measuring the ionic strength or specific gravity of a test sample
08/18/1994	WO1994018556A1 Portable thermal analysis device
08/18/1994	CA2117808A1 Portable thermal analysis device
08/17/1994	EP0610860A2 Monitoring hydraulic characteristics of raw and waste water treatment operations
08/17/1994	EP0610667A1 Carrier for colormetric gasdetection in film composite
08/17/1994	EP0610663A1 Device for colorimetric gasdetection in film composite
08/17/1994	EP0610554A2 Apparatus and method for the determination of the NO - content
08/17/1994	EP0610302A1 Method of analysis
08/16/1994	US5338685 Using an aqueous solution of an amine
08/16/1994	US5338515 SO2 sensor
08/11/1994	CA2115310A1 Carrier for colorimetric gas indication in the form of a compound foil
08/11/1994	CA2115302A1 Apparatus in the form of a compound foil for the colorimetric indication of gas
08/10/1994	CN1090643A Test swab and method of making and using same
08/09/1994	US5336599 Method of measuring analyte using dry analytical element
08/04/1994	WO1994017390A1 A solid state sensor for carbon monoxide
08/04/1994	WO1994017388A1 Ion selective fluorosensor based on the inner filter effect

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