| 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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| 05/27/1999 | WO1999026059A1 Optical assaying method and system having movable sensor with multiple sensing regions |
| 05/26/1999 | EP0799418B1 A carbon dioxide sensitive material |
| 05/25/1999 | US5906945 Method for testing and determining the alloy class of an aluminum alloy |
| 05/25/1999 | US5906916 Composition comprising iodide salt, buffer, water soluble cellulose based polymer, water carrier; exhibits color transition in response to peroxide |
| 05/25/1999 | CA2134070C Method for monitoring and controlling metalworking fluid |
| 05/20/1999 | WO1999024822A1 Rapid screening assay methods and devices |
| 05/20/1999 | WO1999005591A3 Method and apparatus for providing a bioinformatics database |
| 05/20/1999 | WO1999001737A9 Detection of chemical agent materials using a sorbent polymer and fluorescent probe |
| 05/20/1999 | CA2310267A1 Rapid screening assay methods and devices |
| 05/19/1999 | EP0916946A2 Peroxide and chlorine test strip |
| 05/19/1999 | EP0916091A1 Light-sensitive compositions for oxygen optrodes |
| 05/19/1999 | CN2319810Y Full automatic serum bicarbonate analyser |
| 05/14/1999 | WO1999022867A1 Method and apparatus for making arrays |
| 05/14/1999 | WO1999003684A3 The production of microstructures for use in assays |
| 05/12/1999 | EP0915337A1 Process and device for continuous detection of heteroatom containing organic conpounds in a gaseous phase |
| 05/12/1999 | EP0914833A2 Chemical indicator for oxidative sterilization processes using bleachable dyes |
| 05/12/1999 | EP0914465A1 Materials and methods for detecting oxalate |
| 05/11/1999 | US5902751 Method and apparatus for the measurement of dissolved carbon |
| 05/11/1999 | US5902750 Determining presence of water-immiscible marker dissolved in organic solvent by sampling material, extraction with non-polar solvent, reacting marker with chromophore developing reagent in alkaline or acidic aqueous medium |
| 05/06/1999 | WO1999021957A1 Method and apparatus for screening catalyst libraries |
| 05/06/1999 | WO1999009042A3 Microstructures for the manipulation of fluid samples |
| 05/06/1999 | EP0913689A1 Method for detecting s-nitroso compound |
| 05/06/1999 | EP0912894A1 Device for measuring the properties of an endogenous fluid |
| 05/06/1999 | DE19740292C1 Accurate determination of chloroform content in water |
| 05/05/1999 | CN1216110A System for preparing and delivering gas-contg. solutious |
| 04/29/1999 | WO1999020789A1 Analyte assay using particulate labels |
| 04/29/1999 | WO1999020396A1 Methods and apparatus for determining analytes in various matrices |
| 04/29/1999 | WO1999004256B1 Food quality indicator device |
| 04/29/1999 | CA2719432A1 Analyte assay using particulate labels |
| 04/29/1999 | CA2305613A1 Methods and apparatus for determining analytes in various matrices |
| 04/27/1999 | US5898004 Polymerized crystalline colloidal array sensors |
| 04/27/1999 | US5898002 Method for removing ferric-ferrous oxides from a liquid |
| 04/27/1999 | US5897834 pH test elements |
| 04/22/1999 | WO1999019724A1 Radiation activation and screening of catalyst libraries for catalyst evaluation and reactors therefor |
| 04/22/1999 | WO1999018846A1 Test device and method for quantitative measurement of an analyte in a liquid |
| 04/22/1999 | WO1998053311A9 Devices and methods for using centripetal acceleration to drive fluid movement in a microfluidics system |
| 04/22/1999 | DE19746105A1 Weld temperature distribution indicator |
| 04/22/1999 | CA2306256A1 Radiation activation and screening of catalyst libraries for catalyst evaluation and reactors therefor |
| 04/21/1999 | EP0909387A1 Method and device for the colorimetric determination of analytes in the presence of interfering particulate materials |
| 04/21/1999 | EP0909385A1 Electropipettor and compensation means for electrophoretic bias |
| 04/21/1999 | EP0672087B1 Indicators to determine proton concentration |
| 04/20/1999 | US5895627 Simplified ethylene oxide sterilization test pack |
| 04/20/1999 | CA2043349C A method for measuring impurity concentration and removing impurities from electrolytic solution for electrowinning of size. |
| 04/14/1999 | EP0908925A2 Determining halogen toxicity level of halogenated compounds |
| 04/14/1999 | EP0907641A1 Fluoroionophores and their use in optical ion sensors |
| 04/14/1999 | EP0907412A1 High-throughput screening assay systems in microscale fluidic devices |
| 04/14/1999 | EP0717844A4 Photochemical determination of organic compounds |
| 04/14/1999 | EP0597919B1 Very low temperature ashing (vlta) |
| 04/14/1999 | CN2314370Y Desk explosive/drug detector |
| 04/13/1999 | CA2094279C Patterned indicators |
| 04/08/1999 | WO1999017119A1 Simultaneous particle separation and chemical reaction |
| 04/08/1999 | WO1999017093A1 Moving microdroplets |
| 04/07/1999 | EP0906566A1 OPTICAL SENSOR SYSTEM FOR pH DETERMINATION INDEPENDENTLY OF THE ION STRENGTH USING FLUORESCEIN BOUND TO A POLYMER VIA A URETHANE AND/OR UREA GROUP |
| 04/07/1999 | CN2313226Y Quick iodine-detecting device |
| 04/06/1999 | US5891740 Simple and efficient detection of one part per billion of pesticides/toxins; concentrating analyte from sample by binding to aliphatic hydrocarbon coating on silica particles, eluting into container, then immunoassay |
| 04/06/1999 | CA2080840C Sensor for measuring the quantity of a dissolved component |
| 04/01/1999 | WO1999015888A1 Capillary electroflow apparatus and method |
| 04/01/1999 | WO1999015876A1 Apparatus and method for transferring liquids |
| 04/01/1999 | WO1999001737A3 Detection of chemical agent materials using a sorbent polymer and fluorescent probe |
| 04/01/1999 | DE19741810A1 Determination of presence of total nitrogen in sample by pyrolysis |
| 04/01/1999 | DE19741809A1 Determination of total sulfur content in sample |
| 04/01/1999 | CA2301592A1 Capillary electroflow apparatus and method |
| 04/01/1999 | CA2301557A1 Apparatus and method for transferring liquids |
| 03/31/1999 | EP0905515A2 Analytical measuring method and its use |
| 03/31/1999 | EP0904729A1 Method for determining the concentration of NO in a breathing gas and an analyser for carrying out the method |
| 03/31/1999 | EP0904536A1 Sensor element and sensor for determining ozone concentrations |
| 03/31/1999 | EP0736080B1 Use of azo dyes for marking hydrocarbons and novel azo dyes |
| 03/30/1999 | US5889195 Measuring arrangement for determining the concentration of gases from liquid media |
| 03/30/1999 | US5888758 Broad range total available chlorine test strip |
| 03/25/1999 | WO1999014597A1 Metal ion specific capacity affinity sensor |
| 03/25/1999 | WO1999014588A1 Use of isocyanates for assaying nucleophilic functions in the form of traces in wet medium |
| 03/24/1999 | EP0903581A2 Karl-Fischer-Reagent |
| 03/24/1999 | CN2311775Y Inner chamber of microwave resolution pot |
| 03/18/1999 | WO1999013328A1 Analytical method and apparatus therefor |
| 03/18/1999 | DE19740845A1 Photochemical decomposition testing of substances under influence of solar radiation |
| 03/17/1999 | EP0902283A1 Ultra high purity gas analysis using atmospheric pressure ionization mass spectrometry |
| 03/17/1999 | EP0901624A1 Method of analysis for aqueous fluids |
| 03/17/1999 | CN1211318A Method of analysis for aqueous fluids |
| 03/17/1999 | CN1211317A Apparatus for determining content of predetermined substance in fluid |
| 03/16/1999 | US5882937 Ammonia monitor |
| 03/16/1999 | US5882936 Method of making a sensor with improved drift stability |
| 03/16/1999 | US5882115 Measuring heating value of a gas using flameless combustion |
| 03/16/1999 | US5881879 System for preserving and delivering gas-containing solutions |
| 03/11/1999 | WO1999012026A1 Quantitative analysis method, quantitative analyzer, and etching controlling method for mixed acid fluid in etching process, and process for producing said mixed acid fluid |
| 03/11/1999 | WO1999012016A1 Microfluidic system with electrofluidic and electrothermal controls |
| 03/11/1999 | DE19738916A1 Offset printing machine wetting medium circuit concentration determination |
| 03/11/1999 | DE19738808A1 Small tube containing indicator reagent |
| 03/11/1999 | CA2300203A1 Microfluidic system with electrofluidic and electrothermal controls |
| 03/10/1999 | EP0901009A2 Nitrogen dioxide gas sensing method, nitrogen dioxide gas sensing element, and nitrogen dioxide gas sensor using the same |
| 03/10/1999 | EP0900284A1 Novel reagent, method, and kit for the quantitation of oxidation-reduction phenomena in proteins and peptides |
| 03/09/1999 | US5879947 Apparatus and method for detecting DMAH using particle sensing detector |
| 03/04/1999 | WO1998045701A3 Device and method for measuring solubility and for performing titration studies of submilliliter quantities |
| 03/03/1999 | EP0899570A1 Method for determining formaldehyde present in air |
| 03/03/1999 | EP0850413B1 Apparatus for testing items of metal such as jewellery |
| 03/03/1999 | CN1209549A Dry analytical elements for determination of protein |
| 03/02/1999 | US5876637 Display devices; crystal structure |
| 02/25/1999 | WO1999009408A1 Method and device for detecting a condition |
| 02/25/1999 | WO1999009407A1 Condition detector |
| 02/25/1999 | WO1999009406A1 Optical carbon dioxide sensors |
| 02/25/1999 | WO1999009042A2 Microstructures for the manipulation of fluid samples |