| 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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| 09/24/1997 | CN2263344Y Liquid titrator |
| 09/18/1997 | DE19611786A1 Qualitative and quantitative measurement of harmful substances in solutions |
| 09/17/1997 | EP0601171B1 A device for indicating the presence of carbon dioxide in a patient's exhaled air |
| 09/16/1997 | US5668014 Detecting ammonium, nitric and nitrous ions |
| 09/12/1997 | WO1997033172A1 Process for evaluating the global capacity of urine to form chalky renal calculus, and corresponding kit |
| 09/12/1997 | WO1997033168A1 Method and device for measuring amount of absorbing gel material contained in absorbent pads |
| 09/11/1997 | DE19608808A1 Stable sensor |
| 09/09/1997 | US5665313 Hydride gas, discoloration, molybdenium acid or salt, cupric salt |
| 09/04/1997 | WO1997032208A1 Catalyst testing process and apparatus |
| 09/04/1997 | WO1997031599A1 Self-adhesive indicator |
| 09/04/1997 | DE19608129A1 Selbstklebender Indikator Self-adhesive indicator |
| 09/04/1997 | CA2465957A1 Catalyst testing process and apparatus |
| 09/03/1997 | EP0792456A1 Titration apparatus |
| 09/02/1997 | US5663072 Food spoilage detection method |
| 09/02/1997 | US5662867 Kidney disease |
| 08/28/1997 | WO1997031261A1 Apparatus for determining the content of a predetermined substance in a fluid |
| 08/28/1997 | CA2245911A1 Apparatus for determining the content of a predetermined substance in a fluid |
| 08/27/1997 | EP0653063A4 In vitro test for dermal corrosive properties. |
| 08/27/1997 | EP0526559B1 Reaction control and solids characterization device |
| 08/27/1997 | CN1157922A Quick measuring method and measuring apparatus for hydrogen content, in aluminium alloy melt |
| 08/26/1997 | US5661036 Process for the detection of sulfur |
| 08/26/1997 | US5660790 PH and amine test elements |
| 08/26/1997 | US5660727 Automated analyte supercritical fluid extraction apparatus |
| 08/21/1997 | WO1997030351A1 Diagnostic method for measuring the ammonia content in breath |
| 08/21/1997 | WO1997019348A3 Novel emulsion for robust sensing of gases |
| 08/20/1997 | EP0790494A1 Graphite fibre matrices as functional layers in diagnostic test kits |
| 08/20/1997 | EP0728309B1 Assay devices and the manufacture thereof |
| 08/20/1997 | CN1157258A CO2 absorption indicator and reagent kit for diagnosing pyloric Helicobacterium |
| 08/20/1997 | CN1035691C Quick-testing method of potassium and ammonium in leopoldite or ammonium salt |
| 08/15/1997 | CA2197386A1 Graphite nonwovens as functional layers in diagnostic test kits |
| 08/14/1997 | WO1997013137A3 Microwave assisted chemical processes |
| 08/12/1997 | US5656502 Test strip holder and method of use |
| 08/07/1997 | DE19602673A1 Synthetische Testanschmutzung Synthetic test stain |
| 08/06/1997 | EP0787981A2 Impurity measuring method and apparatus |
| 08/06/1997 | EP0787295A1 A method and instrument for measuring differential oxygen concentration between two flowing gas streams |
| 08/06/1997 | EP0555464B1 Compositions and methods for identifying a solution |
| 08/06/1997 | CN2258989Y Electronic titration apparatus |
| 08/06/1997 | CN1156250A Bicarbonate radical titration method for blood plasma |
| 08/05/1997 | US5654162 Liquid permeable solid medium includes one or more reactant-containing reaction zones spaced apart along the flow path in which reaction occurs with analyte |
| 07/31/1997 | WO1997027483A1 Medical diagnostic test strip with desiccant |
| 07/31/1997 | WO1997027482A1 Synthetic test soil |
| 07/31/1997 | WO1997026924A1 Indicator systems and material compression and insertion devices for preparing same |
| 07/30/1997 | EP0620918B1 Carbon dioxide detector |
| 07/30/1997 | CN2258616Y Simple iodine-investgating box |
| 07/30/1997 | CN2258615Y Cadmium column reduction device |
| 07/30/1997 | CN1155898A Use of benzaldehydes to mark hydrocarbons |
| 07/29/1997 | US5652345 1,2-dioxetane compound |
| 07/24/1997 | DE19653215A1 Nitrogen content determination apparatus for organic samples, e.g. proteins |
| 07/23/1997 | EP0784789A1 Reduction furnace and process for quantitative deuterium determination in hydrogen-containing samples |
| 07/23/1997 | EP0784671A1 Flavored malt beverages |
| 07/23/1997 | CN1154966A Noval compound and usage thereof |
| 07/22/1997 | US5650329 Safety apparel for use in hazardous environments |
| 07/22/1997 | US5650311 Doped sol-gel glasses for obtaining chemical interactions |
| 07/16/1997 | EP0783692A1 Reagent for the determination of free radicals |
| 07/16/1997 | EP0748445A4 Reagentless oxidation reactor |
| 07/15/1997 | US5648270 Fluorescent indicators using metal-pyridine complexes |
| 07/15/1997 | US5648269 pH and pCO2 sensing by luminescent lifetimes and energy transfer |
| 07/10/1997 | WO1997021095A3 Process and device for carrying out highly accurate rapid chemical analyses |
| 07/09/1997 | EP0782707A1 Assay devices with non-woven sample collection zone |
| 07/09/1997 | EP0782706A1 Assay method |
| 07/09/1997 | EP0441875B1 Enhanced electrochemiluminescence |
| 07/09/1997 | CN1154131A Use of leucotriarylmethanes for marking hydrocarbons |
| 07/09/1997 | CN1153907A Lead reagent and lead testing method |
| 07/08/1997 | US5645798 Automatic analysis of clinical and environmental samples |
| 07/03/1997 | WO1997012218A3 Biosensor system for measuring levels of organic trace components produced by smouldering fires |
| 07/03/1997 | DE19619391C1 Determination of proportion of gaseous component in mixture of gases e.g. CO |
| 07/02/1997 | EP0781350A1 Highly stable oxidative coupling dye for spectrophotometric determination of analytes |
| 07/01/1997 | US5644503 Methods and apparatuses for analyzing multichannel chromatogram |
| 07/01/1997 | US5644116 Feeding gas through cell containing radiation transparent substrate, cobalt-nickel oxide layer, radiating, measuring light transmittance |
| 06/25/1997 | EP0779984A1 Optically readable strip for analyte detection having on-strip standard |
| 06/25/1997 | EP0779983A1 Optically readable strip for analyte detection having on-strip orientation index |
| 06/25/1997 | EP0779975A1 Photon absorbing bioderived organometallic carbon monoxide sensors |
| 06/25/1997 | CN1152711A Portable acdity and basicity measuring meter |
| 06/24/1997 | US5641686 Flow injection trace gas analysis method for on-site determination of organoarsenicals |
| 06/19/1997 | WO1997022001A1 Diagnostic strips and method of use |
| 06/19/1997 | CA2239685A1 Diagnostic strips and method of use |
| 06/18/1997 | EP0779367A1 Test device comprising stable coupling dye for photometric determination of analytes |
| 06/18/1997 | EP0778946A1 Novel method and kits for producing light from an acridan compound |
| 06/18/1997 | EP0673507B1 Low oxygen transmission imaging system |
| 06/18/1997 | EP0423294B1 Computerized unit for the study and evaluation of fcc catalysts |
| 06/17/1997 | US5640330 Method for analyzing pH titration data |
| 06/17/1997 | US5639631 Colorimetric analysis; addition of ferric ion chelating agents inhibit formation of blank reaction in the reagent |
| 06/17/1997 | US5639493 Ultrafiltration by a membrane |
| 06/12/1997 | WO1997021096A1 Method and apparatus for the measurement of dissolved carbon |
| 06/12/1997 | WO1997021095A2 Process and device for carrying out highly accurate rapid chemical analyses |
| 06/12/1997 | WO1997021090A1 Devices and methods for using centripetal acceleration to drive fluid movement in a microfluidics system with on-board informatics |
| 06/12/1997 | DE19649151A1 Cresol red and/or cresol purple in aqueous solution is used as pH indicator |
| 06/12/1997 | DE19546192A1 Process and assembly determine long-term characteristics of especially bio:catalysts |
| 06/12/1997 | CA2239613A1 Devices and methods for using centripetal acceleration to drive fluid movement in a microfluidics system with on-board informatics |
| 06/11/1997 | EP0777855A1 Method and apparatus for detecting hydrocarbon oxidation |
| 06/11/1997 | EP0777502A1 Instrument sterilization life-span indicator |
| 06/11/1997 | CN1151690A Dental impression material with cure-indicating dye |
| 06/11/1997 | CN1151522A Performance evaluation of carbon electrode for dry battery |
| 06/10/1997 | US5637201 Linker lipid for use in attaching a membrane, comprises with in the same molecule hydrophilic and hydrophobic regions |
| 06/05/1997 | WO1997019709A1 Test packs for sterilizers |
| 06/05/1997 | DE19545130A1 Verfahren und Vorrichtungen für ein modulares Mikrosystem für hochgenaue chemische Schnell-Analysen und Verfahren zur Herstellung Methods and apparatus for a modular system for high-precision micro-chemical analysis and fast process for preparing |
| 06/04/1997 | EP0776669A1 Testpack for sterilizers |
| 06/04/1997 | CN1151121A Method for indicating neutralization of contact lens disinfecting solutions |
| 05/29/1997 | WO1997019348A2 Novel emulsion for robust sensing of gases |
| 05/28/1997 | DE19545252A1 Modular and flexible plant for processing extremely hazardous materials |