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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04/04/1995 | US5403746 Aqueous first phase comprising pH sensitive indicator in buffer solution dispersed in hydrophobic second phase permeable to analyte and impermeable to ionized hydrogen |
04/04/1995 | US5403744 Colorimetric analysis using metachromatic dye, pH indicator dye, polyelectrolytes with anionic sites to bind with dyes; for testing urine, blood |
03/30/1995 | WO1995008768A1 Method and arrangement for oil well test system |
03/30/1995 | WO1995008767A1 Improved method and capacitance probe arrangement |
03/30/1995 | DE4332512A1 Sensor material for detecting ammonia |
03/30/1995 | CA2170596A1 Improved method and capacitance probe arrangement |
03/30/1995 | CA2170595A1 Method and arrangement for oil well test system |
03/29/1995 | CN1100810A Quick test reagent for iodine content in roseo- iodine salt |
03/29/1995 | CN1100809A Salinity test paper and method for mfg. same |
03/28/1995 | US5401667 Immunochromatographic assay system and method |
03/28/1995 | US5401664 Analytical method for determining concentration of decomposition products in solvent used for solvent extraction |
03/28/1995 | US5401662 Method and reagent for the determination of water |
03/28/1995 | US5401468 Dual flow path carbon particulate monitor |
03/28/1995 | CA1334926C Composition, apparatus and method for sensing ionic components |
03/24/1995 | CA2125832A1 Reagent composition and method for determining lithium |
03/22/1995 | EP0643828A1 Method for monitoring and controlling metalworking fluid |
03/22/1995 | EP0313655B1 Oxygen concentration probe |
03/21/1995 | US5399609 Moisture indicating molding resins |
03/21/1995 | US5399498 Reduction of background interferences in the molybdate-dye protein assay |
03/16/1995 | WO1995007460A1 Method of detecting naphthylamines in mineral oils |
03/16/1995 | CA2170742A1 Method of detecting naphthylamines in mineral oils |
03/15/1995 | EP0643303A1 Usage of N-methylformamide as solvent for the Karl Fischer titration |
03/14/1995 | US5397711 Determination of an analyte in a sample liquid |
03/14/1995 | US5397536 Silane gas detecting tape |
03/09/1995 | WO1995006871A2 Method for activation of polyanionic fluorescent dyes in low dielectric media with quaternary onium compounds |
03/08/1995 | EP0642009A2 Method and apparatus for testing refrigerant |
03/08/1995 | EP0641438A1 Fluorophore-assisted therapeutic drug monitoring |
03/08/1995 | CA2130970A1 Video test strip reader and method for evaluating test strips |
03/07/1995 | US5395586 With polymeric seal to prevent contamination |
03/02/1995 | WO1995006134A1 Bacillus circulans based biological indicator for gaseous sterilants |
03/01/1995 | EP0640393A1 System for storing test elements |
03/01/1995 | EP0640392A2 Analyte detection device |
02/28/1995 | US5393556 Applying an aqueous-alcohol solution of iodine and phenolphthalein; observing color change |
02/28/1995 | US5393514 Rhodamine and sulforhodamine type dyes useful for measuring pH in acidic environments such as carbon dioxide production by microorganism and certain acidic cells and tissues |
02/28/1995 | US5393493 Measurement of optically detectable changes; colorimetric |
02/23/1995 | WO1995005602A1 Method and apparatus for carbohydrate analysis |
02/23/1995 | WO1995005598A1 Process and apparatus for testing for substances in liquids |
02/23/1995 | DE4327600A1 Method for determining urine in reusable bottles and containers |
02/23/1995 | CA2169303A1 Method and apparatus for carbohydrate analysis |
02/22/1995 | EP0639772A2 Preparation of diagnostic test strips containing tetrazolium salt indicators |
02/22/1995 | EP0639771A1 Device for monitoring sterilisation process utilizing 100% ethylene oxide |
02/22/1995 | CN2189974Y Fully closed automatic buret |
02/21/1995 | US5392325 Method and apparatus for local protection of piping systems from stress corrosion cracking |
02/21/1995 | CA2130372A1 Device for monitoring sterilization process utilizing 100% ethylene oxide |
02/15/1995 | EP0638805A2 Analyte detection device and process |
02/15/1995 | EP0638166A1 Carbon particulate monitor |
02/15/1995 | EP0500644B1 Gas sensors and compounds suitable therefor |
02/14/1995 | US5389550 Organic substance analyzing method and apparatus using portable construction |
02/14/1995 | US5389546 Method for determining and monitoring constituent concentration of an aqueous metalworking fluid |
02/14/1995 | US5389545 Buffered sulfur dioxide, and water are present before adding iodine; iodine and pyridine free single component using karl Fischer reaction; triiodide ions as oxidizers, amine buffer, sulfur dioxide as reducing agent and a solvent |
02/13/1995 | CA2129463A1 Formaldehyde detecting paper |
02/08/1995 | EP0637749A2 System for analysing liquid samples |
02/07/1995 | US5387659 Flash gas sampling for polymerization reactions |
02/07/1995 | US5387525 Method for activation of polyanionic fluorescent dyes in low dielectric media with quaternary onium compounds |
02/02/1995 | WO1995003545A1 Iodine-free karl fischer reagents |
02/02/1995 | WO1995003340A1 Process for producing dye-containing polyvinyl alcohol foils and their use |
01/26/1995 | DE4324679A1 Testing device for gases, in particular for respiratory air |
01/25/1995 | EP0635712A2 Method of pretreating diagnostic test elements |
01/25/1995 | EP0635130A1 Portable thermal analysis device |
01/25/1995 | EP0415974B1 Colorimetric assay of 2-bromo-2-nitro-1,3-propanediol or derivatives thereof |
01/25/1995 | CN2188212Y Fast lead testing bar |
01/25/1995 | CN1097871A Test strip analysis system |
01/24/1995 | US5384411 Immobilization of PH-sensitive dyes to solid supports |
01/18/1995 | EP0634657A2 Chemical analysis film chip |
01/18/1995 | EP0634650A2 Method and device for determining continuously the concentration of hydrogen peroxide or oxidants therefor |
01/18/1995 | EP0634646A1 Method of and apparatus for analyzing nitrogen compounds and phosphorus compounds contained in water |
01/18/1995 | EP0634215A1 Device for simultaneous determination of analytes |
01/18/1995 | EP0634013A1 A nicotine and/or nicotine metabolite detection system. |
01/18/1995 | EP0624251A4 Sample dispersing apparatus and method for use with pyrolysis furnace. |
01/17/1995 | US5382529 Forming a color with a phenol or aniline compound, quantitative analysis |
01/11/1995 | EP0632892A1 Fast response test panel |
01/10/1995 | US5380880 Xanthene dyes |
01/10/1995 | US5380650 Enhanced luminescent assay |
01/05/1995 | WO1995000844A1 Novel clinical marker and therapeutic agent in kidney stone disease and methods of use |
01/05/1995 | WO1995000842A1 Electrochemical sensor |
01/05/1995 | CA2165827A1 Electrochemical sensor |
01/03/1995 | US5378878 Heat resistant and light weight container for materials to be heated, and process for manufacture thereof |
01/03/1995 | US5378638 Solid state immunoassay, reagent dots applied by ink jet printing |
01/03/1995 | US5378632 Method of testing oils |
01/03/1995 | US5378628 Glucose oxidase |
01/03/1995 | US5378432 Optical fiber pH microsensor and method of manufacture |
01/03/1995 | US5378430 Steam sterilization process monitor |
01/03/1995 | US5377496 Refrigeration system with installed acid contamination indicator |
01/03/1995 | CA1333768C Method for measuring the content of halogenated organic compounds in soil samples |
12/27/1994 | US5376553 Analyzing biological fluid samples for presence of dicitrate cyclic diester which indicates no pathological calcification or predisposition towards it |
12/27/1994 | US5376336 Optical indicator in sensing layer for obtaining a measured value of quantity dependent on mean concentration of matter |
12/27/1994 | US5376335 Sensitive real time analysis of intermediates and products of vapor phase reaction catalyzed by particulate catalyst, conducted under high vacuum |
12/27/1994 | US5376277 Multidimensional chromatographic system |
12/27/1994 | US5376243 Adding reducing agent to reduce iodine to iodide, measuring potential difference between iodide ion selective electrode and reference electrode, adding two known iodide solutions, measuring, calculating concentration |
12/22/1994 | WO1994029400A1 Method of producing microchannel/microcavity structures |
12/21/1994 | CN1096583A Masking of interfering ions |
12/21/1994 | CN1096582A Normal temp. extraction method for testing digested sludge dehydrogenase activity |
12/20/1994 | US5374397 Device for measurement of no contents |
12/20/1994 | US5373725 O-FID analytical equipment and method |
12/14/1994 | EP0628814A1 Indicator test system for monitoring air removal and/or sterilisation of full loads in steam sterilisers |
12/14/1994 | EP0628805A1 Luminescent optical indicator for measuring the activity of alkali metal ions in a sample solution |
12/14/1994 | CN2185437Y Automatic tester for chemical oxygen demand of sewage |
12/13/1994 | US5372948 Assay and reaction vessel with a compartmentalized solubilization chamber |
12/13/1994 | US5372947 Determining amount of aldehyde released by conversion with respect to a sample from which existing aldehydes have been separated |
12/08/1994 | WO1994028411A1 Photochemical determination of organic compounds |