| 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) |
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| 02/03/1998 | US5714122 Gas sensor; dispersed first phase containing indicator which provides signal in response to concentration of gas in sample |
| 02/03/1998 | US5714121 Optical carbon dioxide sensor, and associated methods of manufacture |
| 01/29/1998 | WO1998003866A1 Color composition comprising an agent containing pyrogallol entities, a salt of iron (ii) and an organic acid |
| 01/29/1998 | WO1998003865A1 Light-sensitive compositions for oxygen optrodes |
| 01/29/1998 | WO1998003855A1 Carbon monitoring system for water treatment and purification |
| 01/28/1998 | EP0821236A2 Diagnostic test element and method to assay an analyte using it |
| 01/28/1998 | EP0821235A2 Diagnostic test element with capillary gap |
| 01/28/1998 | EP0821233A2 Volume independent diagnostic test element and method to assay analytes using it |
| 01/28/1998 | EP0820334A1 Automated analyte extraction apparatus and method |
| 01/28/1998 | CN1171553A Reagent test strip for blood glucose determination |
| 01/27/1998 | US5712165 Irradiation of food samples, optic detection of radiation absorption or scattering from food, detection absorbance and comparing to control |
| 01/22/1998 | WO1998002739A1 Measuring heating value of a gas using flameless combustion |
| 01/22/1998 | CA2260091A1 Measuring heating value of a gas using flameless combustion |
| 01/21/1998 | EP0819943A2 Analysing system with means for detecting insufficient dose |
| 01/21/1998 | EP0819940A2 Method of detecting halitosis and detector for use in the method |
| 01/21/1998 | EP0696353A4 Method and device for the determination of polymeric biguanides in aqueous fluids |
| 01/21/1998 | EP0573572B1 Improved test strip |
| 01/21/1998 | EP0558628B1 Diesel particulate monitor |
| 01/20/1998 | US5710372 Color indicator |
| 01/20/1998 | US5710048 Determination of surfactant concentration in an aqueous fluid |
| 01/20/1998 | US5709837 Dry analytical element containing ampholyte |
| 01/13/1998 | US5707872 Cyanogen releasing agent and cyanogen halide forming agent for treatment of urine |
| 01/13/1998 | US5707871 Method and kit for testing polyolester lubricants used in refrigerant compressors |
| 01/13/1998 | US5707197 Apparatus for dispensing successive zones of a disposable strip |
| 01/08/1998 | WO1998000705A1 Electropipettor and compensation means for electrophoretic bias |
| 01/08/1998 | WO1998000231A1 High-throughput screening assay systems in microscale fluidic devices |
| 01/07/1998 | EP0816843A2 Process for dehydrating a mineral oil or other solvents for the preparation of moisture-in-oil or moisture-in-solvent standards |
| 01/07/1998 | EP0816831A2 Device for evaluating test-strips |
| 01/07/1998 | EP0815940A2 Electropipettor and compensation means for electrophoretic bias |
| 01/07/1998 | EP0815449A1 Assay devices |
| 01/07/1998 | EP0815444A1 Method and equipment for the determination of iodide |
| 01/07/1998 | EP0597900B1 Colorimetric determination of magnesium ions in fluids |
| 01/06/1998 | US5705393 Reagent composition for measurement of ionic strength of liquid samples |
| 01/06/1998 | CA2093704C Method and system for monitoring quality of phosphate coating |
| 01/06/1998 | CA2002917C Fluorescent indicator dyes for alkali metal cations |
| 12/31/1997 | CN1036867C Method for starting timing testing in the reflectance reading device |
| 12/30/1997 | US5702955 Ascorbate resistant detection of hydrogen peroxide |
| 12/29/1997 | EP0779975A4 Photon absorbing bioderived organometallic carbon monoxide sensors |
| 12/24/1997 | WO1997048981A1 Composition and method for manufacturing ion selective electrode sensors |
| 12/24/1997 | WO1997048492A1 Stopper having a cavity for reagents and an assay method using said stopper |
| 12/18/1997 | WO1997047966A1 OPTICAL SENSOR SYSTEM FOR pH DETERMINATION INDEPENDENTLY OF THE ION STRENGTH USING FLUORESCEIN BOUND TO A POLYMER VIA A URETHANE AND/OR UREA GROUP |
| 12/18/1997 | DE19724655A1 Analysing material adsorbed onto catalyst carriers from gases e.g. vehicle exhaust gases |
| 12/18/1997 | CA2207730A1 Process for dehydrating a mineral oil or other solvents for the preparation of moisture-in-oil or moisture-in-solvent standards |
| 12/17/1997 | CN1036735C Liquid-filling titration apparatus |
| 12/16/1997 | US5698771 Dissociating or electrochemically oxidizing hydrocarbons adsorbed on silicon carbide detection layer |
| 12/16/1997 | US5698728 Alkene intermediates for preparing 1,2-dioxetanes |
| 12/11/1997 | WO1997046878A1 Device for measuring the properties of an endogenous fluid |
| 12/11/1997 | CA2255711A1 Device for measuring the properties of an endogenous fluid |
| 12/10/1997 | EP0811844A1 Reagent composition, testing piece and assay kit |
| 12/10/1997 | EP0713417A4 Accelerated solvent extraction system |
| 12/04/1997 | WO1997045552A1 Materials and methods for detecting oxalate |
| 12/04/1997 | CA2255920A1 Materials and methods for detecting oxalate |
| 12/03/1997 | CN1036615C Indicator paper and solvent for detecting peroxide content of edible oil and oil-bearing food |
| 12/03/1997 | CN1036614C Assessment method of manganese content in water |
| 11/30/1997 | CA2206075A1 Method and apparatus for detecting an increased risk of premature birth |
| 11/25/1997 | US5691465 Gas detector |
| 11/25/1997 | US5691205 Fluorometric analysis of chloride ion and chemical sensor therefor |
| 11/20/1997 | WO1997043636A1 Sensor element and sensor for determining ozone concentrations |
| 11/20/1997 | WO1997043635A1 Ozone collector for determining integral ozone pollution |
| 11/20/1997 | DE19619227A1 Ozonsammler zur Bestimmung von integralen Ozonbelastungen Ozone samplers for the determination of integral ozone levels |
| 11/20/1997 | DE19619226A1 Sensorelement und Sensor zur Bestimmung von Ozonkonzentrationen Sensor element and sensor for determining ozone concentrations |
| 11/19/1997 | EP0807251A1 Method of increasing the shelf life of a colorimetric device for indicating carbon dioxide and package containing such device |
| 11/19/1997 | EP0807250A1 A colorimetric device for indicating carbon dioxide |
| 11/13/1997 | WO1997042499A1 Process and device for determining the oxidisable substance content of aqueous liquids |
| 11/13/1997 | DE19617910A1 Verfahren und Vorrichtung zur Bestimmung des Gehalts an oxidierbaren Inhaltsstoffen in wässrigen Flüssigkeiten Method and apparatus for determining the content of oxidizable constituents in aqueous liquids |
| 11/13/1997 | CA2253354A1 Process and device for determining the oxidisable substance content of aqueous liquids |
| 11/12/1997 | EP0746755A4 A solid state sensor for carbon monoxide |
| 11/12/1997 | EP0638166B1 Carbon particulate monitor |
| 11/05/1997 | EP0805190A2 Energy transfer dyes with enhanced fluorescence |
| 11/05/1997 | CN2266739Y Nitrogen apparatus |
| 11/04/1997 | US5683914 Acidification, pentavalent bismuth compound |
| 10/30/1997 | WO1997040014A1 Fluoroionophores and their use in optical ion sensors |
| 10/29/1997 | EP0803063A1 Methods for production of large catalogued chemical libraries |
| 10/29/1997 | EP0424465B1 Preparation and use of fluorescent benzothiazole derivatives |
| 10/28/1997 | US5681751 Immobilized in a porous matrix; electrophoresis |
| 10/23/1997 | WO1997039338A1 Microfabricated diffusion-based chemical sensor |
| 10/23/1997 | WO1997039337A1 Covalently immobilized fluoroionophores as optical ion sensors |
| 10/23/1997 | WO1997039141A1 Novel reagent, method, and kit for the quantitation of oxidation-reduction phenomena in proteins and peptides |
| 10/22/1997 | CN2265536Y Gas diverter |
| 10/22/1997 | CN1162981A Highly stable oxidative coupling dye for spectrophotometric |
| 10/22/1997 | CN1162739A Stable coupling dye for photometric determination of analytes |
| 10/21/1997 | US5679442 Shelf-life indicator for repeatedly sterilizable plastic products |
| 10/21/1997 | US5679311 Storage container for analytical test elements comprising guide mechanism and housing for holding plurality of test elements attached to tape which can be individually detached by passing tape over guide mechanism |
| 10/16/1997 | WO1997038304A1 Method and apparatus for the measurement of dissolved carbon in deionized water |
| 10/15/1997 | CN2264913Y Negative-pressure feeding automatic zero-setting burette |
| 10/15/1997 | CN1162359A Optically readable strip for analyte detection having on-strip orientation index |
| 10/15/1997 | CN1162358A Optically readable strip for analyte detection having on-strip standard |
| 10/14/1997 | US5677190 Measuring electrical characteristics of a liquid sample |
| 10/09/1997 | WO1997037215A1 Cation-selective sensor |
| 10/09/1997 | WO1997037210A1 Oxygen sensing membranes and methods of making same |
| 10/09/1997 | DE4042656C2 Microwave ashing and analytical appts. |
| 10/08/1997 | EP0800082A2 Reagent test strip for blood glucose determination |
| 10/08/1997 | EP0799418A1 A carbon dioxide sensitive material |
| 10/08/1997 | CN1161451A Karl Fischer moisture determination instrument |
| 10/02/1997 | WO1997036176A1 Air contamination monitor |
| 10/02/1997 | DE19612680A1 Kationselektiver Sensor Cation-selective sensor |
| 10/01/1997 | EP0797774A1 Multilayer analytical element |
| 10/01/1997 | EP0738306B1 Method of producing microchannel/microcavity structures |
| 09/25/1997 | WO1997035189A1 Fluorescent reporter beads for fluid analysis |
| 09/24/1997 | EP0796241A2 Compounds and methods for monosaccharide analysis |