| 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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| 04/20/1993 | US5204062 Bowie-dick test device |
| 04/15/1993 | WO1993007484A1 Analysing for alkyl ketene dimers |
| 04/15/1993 | WO1993007483A1 SENSOR MEMBRANE FOR DISPLAYING THE pH-VALUE OF A SAMPLE, METHOD OF MANUFACTURING THE MEMBRANE, AND ITS USE |
| 04/14/1993 | EP0536155A1 Total sulfur analyzer |
| 04/13/1993 | CA1316174C Process for the preparation of chromogenic cryptahemispherands |
| 04/13/1993 | CA1316087C Volume independent diagnostic device |
| 04/07/1993 | EP0536059A2 Test kit and method for the determination of metal ion concentration in solution |
| 04/07/1993 | EP0535480A1 Slides for use in the analysis of liquids |
| 04/07/1993 | EP0297098B1 An indicator sheet for an autoclave test pack |
| 04/06/1993 | US5200633 Sensor material for measuring the partial pressure of gases or vapors; and gas sensors |
| 04/06/1993 | US5200321 Microassay on a card |
| 04/06/1993 | US5200315 Particulate biologically active reagent containing polyoxyalkylene side chains, analytical element and methods for use of the reagent |
| 04/06/1993 | US5199295 Feedback controlled gas mixture generator especially for an hygrometer reaction check |
| 04/06/1993 | CA1315651C Process and apparatus for the continuous calorimetric determination of the cyanide concentration in aqueous solutions |
| 04/01/1993 | WO1993006479A1 Crystallization analysis fractionization |
| 04/01/1993 | CA2113460A1 Crystallization analysis fractionization |
| 03/31/1993 | CA2078648A1 Test kit and method for the determination of metal ion concentration in solution |
| 03/30/1993 | US5198335 Analysis of ammonia in body fluids without interference from intrinsic ammonia |
| 03/30/1993 | US5197464 Carbon dioxide detection |
| 03/30/1993 | CA1315181C Test strip device with volume metering capillary gap |
| 03/24/1993 | EP0533283A1 Assay for serum cholinesterase acitivity |
| 03/24/1993 | EP0532554A1 Temperature change indicator employing enzymes |
| 03/24/1993 | CN1020168C Determination method of nitrite radical ions |
| 03/23/1993 | US5196347 Method for measuring oxygen concentration |
| 03/23/1993 | US5196346 Reagent and method of using same for automatically counting basophilic leukocytes in the blood in resistivity variation measuring apparatus |
| 03/23/1993 | US5196170 Carbon particulate monitor |
| 03/23/1993 | CA1314795C Test carrier for the analytical determination of components of body fluids |
| 03/17/1993 | EP0531994A1 Reaction apparatus for biochemical examination |
| 03/17/1993 | EP0531694A2 Method and apparatus for detecting the presence of carbon dioxide in a sample |
| 03/16/1993 | US5194391 Dissolving a modifier material, adding silica and a variable radiative material |
| 03/16/1993 | US5194389 Naphthol derivatives, processes for their production and their use |
| 03/16/1993 | US5194224 Containing an alkali metal ozonide providing a color reaction with moisture |
| 03/16/1993 | CA1314463C Probe for measuring oxygen concentration |
| 03/10/1993 | EP0530357A1 Element and method for nucleic acid amplification and detection using adhered probes. |
| 03/10/1993 | CN2128005Y Air circulation type artificial plate methanal spraying tester |
| 03/09/1993 | US5192984 Apparatus and method for determination of concentrations |
| 03/09/1993 | US5192509 Apparatus for automatic titration |
| 03/04/1993 | WO1993004368A1 Specific measurement of organic chlorides |
| 03/03/1993 | EP0505529A4 So2 sensor and process for detecting so2 |
| 03/03/1993 | CN1069575A Optical-fibre gas chemical sensor |
| 03/02/1993 | US5190863 Composition for determining the presence or concentration of D-β-hydroxybutyrate |
| 03/01/1993 | WO1993004706A1 Compositions and methods for identifying a solution |
| 02/24/1993 | EP0528081A1 Gas sensor and methods for making and using same |
| 02/24/1993 | CN2127497Y Quartz glass caput mortuum sintering machine |
| 02/23/1993 | US5188966 Separating layer comprising lattice structure of hydrophilic multifilament threads; uniformity, accuracy |
| 02/23/1993 | US5188802 Containing dye derivative of 14-crown-4 ether; colorimetric analysis |
| 02/23/1993 | CA1313733C Lipid membrane-based device |
| 02/18/1993 | WO1993003363A1 Very low temperature ashing (vlta) |
| 02/18/1993 | WO1993003100A1 Colorimetric determination of magnesium ions in fluids |
| 02/18/1993 | WO1993002778A1 Method for the determination of the degree of neutralization of phenol |
| 02/17/1993 | EP0527217A1 Process for manufacturing a self-supporting material for a test field. |
| 02/17/1993 | EP0527149A1 Methods and apparatus allowing sequential chemical reactions. |
| 02/17/1993 | CN2127174Y Free ammonia determining unit |
| 02/16/1993 | US5187265 Chromogenic thiol indicating benzoisothiazolone compounds |
| 02/16/1993 | US5187105 Detecting lipoamide in blood and urine to test for NADH-generating systems, e.g as glucose/glucose dehydrogenase; redox systems |
| 02/16/1993 | US5187104 Nitro or nitroso substituted polyhalogenated phenolsulfonephthaleins as protein indicators in biological samples |
| 02/16/1993 | US5187103 Chromogenic cryptand |
| 02/16/1993 | US5187101 Of an iodide ion, sulfur dioxide, a basic mixture of an amino alcohol and a dipyridyl alkane, and a solvent; odorless, high speed |
| 02/16/1993 | US5186894 Detector having pretreatment layer containing chelating agent for cupric ions and chromogenic chelating agent for ferrous ions; for accurate, se.sitive, rapb O@? ??03????Y? ?L.' |
| 02/10/1993 | EP0526559A1 Reaction control and solids characterization device. |
| 02/09/1993 | US5185268 Vaporization, oxidation to nitrogen oxide from which calculation is made; metallic catalyst; chemiluminescent analysis |
| 02/09/1993 | US5185129 Ozone reactive surface of base, hygroscopic compound and nitrite ions |
| 02/09/1993 | US5184895 Oxometallic phthalocyanine pigment and organic polysilane |
| 02/09/1993 | CA1313527C 2-hydroxy-3-aminopropionic-n,n-diacetic acid and derivatives thereof, preparation thereof, and detergents containing same |
| 02/04/1993 | DE4224077A1 Total organic carbon measurement in sample - using carbon di:oxide-permeable film for inorganic carbon removal |
| 02/03/1993 | EP0525550A1 Method of measuring analyte using dry analytical element |
| 02/02/1993 | US5183763 Composition and method for detecting vapor and liquid reactants |
| 01/27/1993 | EP0524596A1 Method of measuring analyte using dry analytical element |
| 01/27/1993 | EP0524230A1 Assay for compounds which are, or can be converted to, aldehydes |
| 01/27/1993 | EP0265513B1 Method and apparatus for measuring cyanide |
| 01/27/1993 | CN1068423A Time temperature indicator with distinct end point |
| 01/26/1993 | US5182353 Method for bonding an analyte-sensitive dye compound to an addition-cure silicone |
| 01/26/1993 | US5182214 Method for detection and determination of human serum albumin |
| 01/26/1993 | US5182212 Time temperature indicator with distinct end point |
| 01/26/1993 | CA1313112C Analytical method and element for ferrous ion assay |
| 01/21/1993 | WO1993001495A1 Adjustment of electric potential by automatic titration |
| 01/21/1993 | DE4125131A1 Coulometric titration process using initial calibration - to which allows determn. of material addn. variation with time |
| 01/21/1993 | DE3844796C2 Chemical warfare agent detection with fluorescent reagent |
| 01/20/1993 | EP0524021A2 Oxygen indicator |
| 01/20/1993 | EP0523583A1 Catholyte for the coulometric Karl Fischer titration of water |
| 01/20/1993 | CN1068195A Method and apparatus for integrally dispelling nitrogenous-phosphatic-potassium in soil |
| 01/19/1993 | US5181082 On-line titration using colorimetric end point detection |
| 01/13/1993 | EP0521911A1 Method and device for moving molecules by the application of a plurality of electrical fields |
| 01/12/1993 | US5179024 Sealed vials containing improved karl fischer solutions, and process for water determination using these vials |
| 01/12/1993 | US5179002 Dry reagent detector comprising carrier with aqueous indicator to determine carbon dioxide concentration; endotrachial catheter |
| 01/12/1993 | US5178837 Electrical heater and hydrocarbon detector; methane |
| 01/12/1993 | US5178771 Complexing, precipitation |
| 01/12/1993 | CA1312536C Method and device for ketone measurement |
| 01/07/1993 | WO1992019957A3 Method for optically measuring chemical analytes |
| 01/07/1993 | EP0521300A2 Colorimetric gas detector |
| 01/06/1993 | CN1067739A Simple and quick determining method for chlorine residual in water |
| 01/05/1993 | US5177021 Element for immunoassay and process of using the same |
| 01/05/1993 | US5177019 Method of quantitative analysis of organophosphorus compounds |
| 01/05/1993 | CA1312265C Well-type diagnostic plate device |
| 12/30/1992 | EP0520550A2 Method and article for distinguishing cosmetic sticks containing water |
| 12/30/1992 | EP0520472A2 An on-line type moisture measuring system for powdered or granular materials |
| 12/30/1992 | CN1067511A Reagent for quick measurement of water hardness |
| 12/29/1992 | US5175336 Fluoromethylated polycyanobenzenes, their alkali metal cyanide adducts, processes for their preparation and use of the fluoromethylated polycyanobenzenes |
| 12/29/1992 | US5175016 Method for making gas sensing element |
| 12/29/1992 | US5174964 A tube for testing refrigerant in an air conditioning or refrigeration system for the presence of entrained impurities |