| 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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| 02/24/2000 | WO2000009757A1 Optically characterizing polymers |
| 02/24/2000 | WO2000009740A2 Method and apparatus for detecting viruses using primary and secondary biomarkers |
| 02/24/2000 | WO2000009650A1 A thermal/fluidic cycling device for the purpose of nucleic acid hybridization |
| 02/24/2000 | CA2340228A1 Optically characterizing polymers |
| 02/22/2000 | US6027939 Process for evaluating the global capacity of urine to form chalky renal calculus, and corresponding kit |
| 02/17/2000 | WO2000008473A1 Device for transporting and handling microtiter plates |
| 02/17/2000 | WO2000008461A1 Spectrophotometric assay for the determination of total vanadium and the +iv and +v oxidation states of vanadium |
| 02/17/2000 | WO2000008447A1 Optoelectronic gas sensor based on optodes |
| 02/17/2000 | DE19835769A1 Optoelektronischer Gassensor auf der Basis von Optoden Optoelectronic gas sensor based on optodes |
| 02/15/2000 | US6025203 The use of a knitted fabric that absorbs liquid as liquid spreading layers in a diagnostic test carrier |
| 02/13/2000 | CA2280106A1 Visual blood glucose test strip |
| 02/10/2000 | WO2000007016A1 Diagnostic membrane containing fatty acid sarcosinate surfactant |
| 02/10/2000 | DE19835071A1 Transportsystem zum Handling von Mikrotiterplatten Transport system for the handling of microtiter plates |
| 02/09/2000 | CN2363281Y Carbonate content automatic analyzer |
| 02/09/2000 | CN1244219A Methods and devices for mass transport assisted optical assays |
| 02/08/2000 | US6023289 Video display system for locating a projected image adjacent a surgical field |
| 02/03/2000 | WO2000005584A1 Method for manufacturing a carrier for chemical or biochemical assays |
| 02/03/2000 | WO2000005578A2 Method for labelling solid support bound compounds |
| 02/03/2000 | WO1999058947A3 Modulation of molecular interaction sites on rna and other biomolecules |
| 02/03/2000 | DE19935189A1 Reusable analytical crucible for analysis of samples by combustion |
| 02/03/2000 | DE19831770A1 Sensormembran zur Bestimmung von chemischen Stoffkonzentrationen und Verfahren zu deren Herstellung Sensor membrane for the determination of chemical concentrations and process for their preparation |
| 02/03/2000 | CA2338270A1 Method for manufacturing a carrier for chemical or biochemical assays |
| 02/03/2000 | CA2338205A1 Method |
| 02/02/2000 | EP0977034A2 Transparent flow through membrane for dry reagent analytical devices |
| 02/02/2000 | EP0976756A2 Method for selecting silicon metalloid in the direct process for making organohalosilanes |
| 02/02/2000 | EP0975974A1 Assay utilizing magnetic particles |
| 02/02/2000 | CN1243250A Preparation method for water-quality test agent and water-quality quick-test box and test method |
| 02/01/2000 | US6020147 Chemical analysis apparatus and method |
| 02/01/2000 | US6018984 Odor detecting apparatus and method |
| 01/27/2000 | WO2000004367A2 Sensor membrane for determining oxygen concentrations |
| 01/27/2000 | WO2000004362A2 Method of screening compositions for electrocatalytic activity |
| 01/27/2000 | WO1999058517A3 Isocyanate derivatizing agent and methods of production and use |
| 01/27/2000 | CA2334390A1 Method of screening compositions for electrocatalytic activity |
| 01/27/2000 | CA2270797A1 Transparent flow through membrane for dry reagent analytical devices |
| 01/26/2000 | EP0974053A1 Detection of low level hydrophobic analytes in environmental samples |
| 01/26/2000 | CN2360854Y Double sleeve type programme-controlled microscale instillator |
| 01/25/2000 | US6017766 Efficient and accurate method by adding a salt and then an organic solvent and extracting, separating the organic phase containing the surfactant, adding a complexing agent and incubating to form dye, measuring absorption |
| 01/25/2000 | US6017494 Liquid container having an opening sealed by a sealing sheet which is impermeable but rupturable and an absorbent material on the sealing sheet which is capable of transporting the liquid by capillary action; immunoassay; disposal; high speed; |
| 01/25/2000 | CA2135819C Use of test strips to prevent sunburn |
| 01/24/2000 | CA2278895A1 Printed document with security layer |
| 01/20/2000 | WO2000003247A1 Sample analysis |
| 01/20/2000 | WO2000002845A1 Quaternary ammonium salts, polymeric film containing them and colorimetric device |
| 01/20/2000 | DE19830607A1 Verfahren zum Nachweis eines Produktes im Abstrom eines katalytischen Materials einer Vielzahl von katalytischen Materialien A method for detecting a product in the effluent of a catalytic material to a plurality of catalytic materials |
| 01/20/2000 | CA2335848A1 Sample analysis |
| 01/19/2000 | EP0972196A1 Recording assay device |
| 01/19/2000 | EP0972195A1 Detection of low level analytes in samples |
| 01/19/2000 | EP0972183A1 Methods for concentrating ligands using magnetic particles |
| 01/19/2000 | EP0876598A4 Improved chemiluminescent 1,2-dioxetanes |
| 01/18/2000 | US6015715 Adsorbing fluorescence indicator on filler material, mixing with permeable matrix, applying mixture under pressure onto a substrate, homogenizing layer by swelling with solvent capable of dissolving indicator |
| 01/18/2000 | US6014888 Working environment density measuring method |
| 01/12/2000 | EP0971225A2 Device for detecting a product in the exhaust flow of a catalyst material of a plurality of catalyst materials |
| 01/12/2000 | EP0970371A2 Method for measuring the level of carboxylate anion in engine coolant and test kit for carrying out the method |
| 01/12/2000 | EP0821714B1 Indicator ink |
| 01/11/2000 | US6013802 Fluorescent conjugates of metal-chelating nitrogen heterocycles |
| 01/11/2000 | US6013530 Determining sulfur concentration in sample; hydrocracking hydrogen sample in ceramic reactor, introducing hydrogen sulfide gas into window-cell with lead soaked tape, measuring with photo sensor, duplicate the process with burned sample |
| 01/11/2000 | US6013529 Sensor material wherein a fluorophore is protonated within a polymer, can react quantitatively with ammonia, and has a transducing moiety that is neutrally charged when deprotonated; for measuring ammonia |
| 01/11/2000 | CA2047637C Analysis element and process for its manufacture |
| 01/05/2000 | CN2357331Y Hard drug testing box |
| 01/04/2000 | US6010664 Oxidation detection for sulfite/sulfate systems |
| 12/29/1999 | EP0966468A1 Crown ether-derivatised perylenes |
| 12/29/1999 | CN1240027A Synchronized analyte testing system |
| 12/29/1999 | CN1240026A Device for trapping and assaying carbon and method of use |
| 12/28/1999 | US6007777 Liquid sample carbon analyzer |
| 12/28/1999 | US6007744 Polymerizable dyes as taggants |
| 12/22/1999 | EP0965832A2 Method and apparatus for analyzing asphalt content |
| 12/22/1999 | EP0964747A1 Integrated microfluidic element |
| 12/22/1999 | CN2355331Y Cutable thin silica gel chromatographic board |
| 12/21/1999 | US6004822 Device and method for measuring solubility and for performing titration studies of submilliliter quantities |
| 12/17/1999 | CA2240912A1 Improved on demand useful life indicator and method of making same |
| 12/16/1999 | WO1999064863A1 Colloidal colorimetric flow through and lateral flow assays utilizing soluble submicron particles |
| 12/16/1999 | WO1999064832A1 Composition having an elevated freezing point and change of color at selected temperatures, method of making and using the composition |
| 12/16/1999 | WO1999064160A1 Parallel fixed bed reactor and fluid contacting apparatus and method |
| 12/16/1999 | DE19826303A1 A method for the comparative determination of physically or chemically induced heat coloration using infrared camera imaging |
| 12/15/1999 | EP0964248A1 System for analyzing elements in sample |
| 12/15/1999 | EP0963555A1 Means for determining the degree of acidity of the urine of a cat |
| 12/15/1999 | EP0963552A1 System for detecting amine and other basic molecular contamination in a gas |
| 12/15/1999 | EP0963418A1 Steam sterilization process indicator |
| 12/15/1999 | CN2354138Y Melt-drip testing device for iron ore mondite |
| 12/14/1999 | US6001999 Luminescence indicator including ionophoric moiety |
| 12/14/1999 | CA2226653C On demand useful life indicator |
| 12/09/1999 | WO1999062569A1 Sterilization indicator with chemically stabilized enzyme |
| 12/09/1999 | CA2333753A1 Sterilization indicator with chemically stabilized enzyme |
| 12/08/1999 | CN2352960Y Sleeve for suction tube |
| 12/08/1999 | CN2352954Y Urine testing paper for indicating gonorrhoea |
| 12/08/1999 | CN1237706A Reagent strip for visualizing breast milk |
| 12/07/1999 | US5997891 Materials and methods utilizing a temporary visual indicator |
| 12/07/1999 | CA2098956C Sulfhydryl-complexing agents in clinical test elements |
| 12/02/1999 | WO1999061892A1 Estimation of active infection by helicobacter pylori |
| 12/01/1999 | EP0960331A1 Process for determination of nitrogen |
| 12/01/1999 | EP0699304B1 Detection of contaminants in food |
| 11/30/1999 | US5994150 Optical assaying method and system having rotatable sensor disk with multiple sensing regions |
| 11/30/1999 | US5994146 To determine the total organic carbon content of a flowing liquid in a continuous process, water and oxidizing agents enter lower ports in a continuous column and flow upwardly along a helical path with air gaps as they are mixed |
| 11/30/1999 | US5993640 Method of measuring the CaCO3 content of a scrubbing suspension, especially for a flue gas desulfurizing absorber |
| 11/30/1999 | CA2168250C Accelerated solvent extraction system |
| 11/25/1999 | WO1999060396A1 Arrangement, equipment and method for testing heterogeneous catalysts for short contact time reactions |
| 11/25/1999 | WO1999059431A1 Method for determining deleterious bacterial growth in packaged food utilizing hydrophilic polymers |
| 11/25/1999 | WO1999042805A9 Device for delivering defined volumes |
| 11/25/1999 | CA2331507A1 Arrangement, equipment and method for testing heterogeneous catalysts for short contact time reactions |
| 11/24/1999 | CN2350763Y Automatic recording amperometric titation device |
| 11/24/1999 | CN1236101A Preparation of Wijs reasent and its use |