| 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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| 09/08/1992 | US5145788 Assay |
| 09/08/1992 | CA1307320C Acidic gas sensors |
| 09/06/1992 | WO1992015855A1 Method and apparatus for taking a proportional sample of flowing gas in a line |
| 09/06/1992 | CA2104796A1 Method and apparatus for taking a proportional sample of flowing gas in a line |
| 09/03/1992 | DE4205876A1 Testtraeger zur bestimmung eines analyten aus vollblut Thoroughbred Testtraeger for determining an analyte from |
| 09/02/1992 | EP0501816A2 Process for manufacture of ashing containers |
| 09/02/1992 | EP0501480A2 Analysis of tin, lead or tin-lead alloy plating solution |
| 09/02/1992 | CA2061790A1 Process for manufacture of ashing containers |
| 09/01/1992 | CA1306931C Method of detecting carboxylic acids in a specimen |
| 08/26/1992 | EP0499712A2 Optical sensor |
| 08/25/1992 | US5141855 Forming cobalt complex of metallizable dye; analyte as reductant or producing reductant; spectrophotometric analysis of enzymes, blood, urine |
| 08/25/1992 | US5141717 Carbon monitor containing anion exchange resin |
| 08/25/1992 | US5141713 Apparatus for continuous recovery of certain elements from a combustible liquid |
| 08/22/1992 | WO1992014836A1 Sensor for measuring the quantity of a dissolved component |
| 08/20/1992 | WO1992015012A1 Membrane method for the determination of an organic acid |
| 08/20/1992 | CA2101749A1 Membrane method for the determination of an organic acid |
| 08/19/1992 | EP0499017A2 Device for measuring the concentration of a reagent |
| 08/19/1992 | EP0498888A1 Method of measuring total quantity of organic substances in ultrapure water and ultrapure water treating system utilizing said method in preparation of ultrapure water |
| 08/19/1992 | CN1017937B Process and reagent for determination of ionic strength or specific weight of aqueous liquids |
| 08/19/1992 | CN1017936B Quantitative analysis method for oil and gas constituents of oil reservoir rock |
| 08/19/1992 | CN1017934B Rapid measuring method and apparatus for micro anti-active index |
| 08/18/1992 | US5139958 Pyrolysis of carbon to carbon monoxide, reaction of carbon monoxide with nickel to form nickel carbonyl, which is measured by radioactivity |
| 08/18/1992 | US5139957 Chemical indicator that includes potassium dichromate and urea and method of using the same to detect hydrogen peroxide |
| 08/18/1992 | US5139956 For colorimetric measurement of iodine from reaction of iodide and peroxide in acid solution; simplification, high speed |
| 08/18/1992 | US5139955 Reactive base, sulfur dioxide, iodide, conducting salt dissolved in alcoholic solvent; membrane-free cell |
| 08/13/1992 | DE4103576A1 Automatic analysis by titration - with titration unit cleaning regulated according to titration measurements |
| 08/12/1992 | EP0498196A1 A colorimetric method and reagent for the assay of lithium in a test sample |
| 08/11/1992 | US5137834 Process for selective complexometric analysis of n-phosphoromethyl-glycine, n-carboxymethyl-n-phosphonomethyl-glycine and n,n-bisphosphono-methyl-glycine |
| 08/11/1992 | US5137833 Quantitative analysis; forming reaction product with boronic, arsenious, germanic acid or compound; measuring emission |
| 08/11/1992 | US5137690 Using cerium and arsenic compounds |
| 08/06/1992 | WO1992013253A1 Feedback controlled gas mixture generator especially for an hygrometer reaction check |
| 08/06/1992 | DE4106875C1 Determn. of nitrogen oxide(s) in gas mixts. - by oxidising, treating with hydrazine deriv. to form di:nitrophenyl azide followed by spectrophotometric determn. of azide |
| 08/06/1992 | CA2101064A1 Feedback controlled gas mixture generator especially for an hygrometer reaction check |
| 08/05/1992 | EP0497518A1 Method for testing the soluble contents of nuclear reactor coolant water |
| 08/05/1992 | EP0497459A1 Time temperature indicator with distinct end point |
| 08/05/1992 | EP0497385A1 New indicator compounds, method of their preparation and use of those compounds in an iron assay system |
| 08/04/1992 | US5135796 Curcumin in the detection and warning of cyanide adulterated food products |
| 08/01/1992 | CA2059798A1 Time temperature indicator with distinct end point |
| 07/30/1992 | DE4112239C1 Detection and absorption of organically bound halogen(s) in aq. specimens - by passing soln. via 2 adsorption columns of active carbon@ in series, burning resulting moist carbon in oxygen@ flow and detecting by coulometry |
| 07/28/1992 | US5133087 Laminate having indicator function |
| 07/28/1992 | CA1305613C System and method for thermogravimetric analysis |
| 07/23/1992 | WO1992012425A1 Apparatus for dry chemical analysis of fluids |
| 07/23/1992 | WO1992012068A1 Tamper-indicating packaging |
| 07/22/1992 | EP0495366A2 Ascorbate resistant composition and test device for detecting a component in a liquid test sample |
| 07/21/1992 | US5132916 Methodology for ph titration curve estimation for adaptive control |
| 07/21/1992 | US5132231 Carbon monoxide detector using a derivative of Ni(TBC) |
| 07/21/1992 | US5132226 Method for the determination of maleimide groups |
| 07/21/1992 | US5132208 Test carrier for the analysis of a sample liquid |
| 07/21/1992 | US5132204 Deprotecting and decomposition to generate light; immunoassay |
| 07/21/1992 | US5132094 Method and apparatus for the determination of dissolved carbon in water |
| 07/21/1992 | US5131260 Device and method for the continuous measurement of the ammonia concentration in gases in the ppm range |
| 07/15/1992 | EP0494705A2 Determination of ions in fluids |
| 07/15/1992 | EP0494704A2 Method and composition for the determination of calcium ions in fluids |
| 07/15/1992 | CN2110229U Mixing standard gas generator |
| 07/15/1992 | CA2058702A1 Ascorbate resistant composition and test device for detecting a component in a liquid test sample |
| 07/14/1992 | US5130433 Chromogenic thiol indicators based on an isobenzothiazolone ring system |
| 07/14/1992 | US5130231 Blood plasma test device including a semipermeable membrane made of an expanded hydrophobic material that has been treated with a surfactant |
| 07/14/1992 | US5130096 Titrating system including pulse length modulation means |
| 07/14/1992 | CA1305133C Fluorogenic and chromogenic three-dimensional ionophores as selective reagents for detecting ions in biological fluids |
| 07/08/1992 | EP0493417A1 Process for determining very small quantities of herbicides based on triazine compounds. |
| 07/08/1992 | CN1062598A Color test strip carrying pad for correction |
| 07/07/1992 | US5128457 Medical diagnosis |
| 07/07/1992 | US5128267 Naphthotriazolium salts |
| 07/07/1992 | US5128102 Probe for measuring oxygen concentration |
| 07/01/1992 | EP0492714A1 Nitrite determination in phosphatizing solutions |
| 06/30/1992 | US5126275 Analytical method using tetrazolium salt indicators having a reflectance plateau |
| 06/30/1992 | US5126272 System for detecting transition and rare earth elements in a matrix |
| 06/30/1992 | US5126022 Method and device for moving molecules by the application of a plurality of electrical fields |
| 06/30/1992 | CA1304353C Tetra-substituted aryl cyclic formazan dyes |
| 06/25/1992 | WO1992010750A1 Steam sterilization indicator |
| 06/25/1992 | WO1992010740A1 Method and device for the continuous, reversible measurement of the concentration of a chemical species |
| 06/25/1992 | WO1992010739A1 INDICATOR SUBSTANCE OF AN OPTICAL FLUORESCENCE MEASURING ARRANGEMENT FOR MEASURING THE pH OF A SAMPLE AND OPTICAL SENSOR WITH SUCH AN INDICATOR SUBSTANCE |
| 06/25/1992 | WO1992010136A1 Specimen test unit |
| 06/25/1992 | DE4040584A1 Textile soiling intensity test using colour indicator pref. in button - or flag for ammonia formed from urea in perspiration, e.g. for clothing or bed-linen |
| 06/24/1992 | EP0491024A1 Analytical test device for specific binding assays |
| 06/24/1992 | CN1062211A Ion plastic monitoring card and method for rapid monitoring six-valence cr |
| 06/23/1992 | US5124172 Providing coating of aluminum and anodizable aluminum alloy capable of generating color following conversion to oxide |
| 06/23/1992 | US5124129 Carbon dioxide indicator |
| 06/23/1992 | US5124042 Injecitng solution into carrier liquid; detecting phenol that flows through semipermeable membrane |
| 06/23/1992 | US5123274 Hand-held sample gun for vapor collection |
| 06/22/1992 | CA2057372A1 Eo biological test pack |
| 06/21/1992 | CA2058107A1 Determination of nitrite in phosphating solutions |
| 06/17/1992 | EP0490572A1 Gas detection |
| 06/17/1992 | EP0185680B1 Steroidal liposomes |
| 06/17/1992 | DE4039791A1 Quantitative organic liq. combustion analysis for liqs. with high boiling components - comprises evaporation of volatiles, transfer of all components to combustion zone, and supplying oxygen@ to combust |
| 06/17/1992 | CN2107659U Paucity quantify continue liquid feeding device |
| 06/16/1992 | US5122341 Device for gas contaminant tester training |
| 06/11/1992 | WO1992009890A1 Assay for dibromonitrilopropionamide |
| 06/11/1992 | CA2098189A1 Colorimetric determination of peroxidase and peroxide |
| 06/09/1992 | US5120511 Adsorber bed life monitor |
| 06/09/1992 | US5120510 Blood analyzing |
| 06/09/1992 | US5120507 Reflection plate for a biochemical measuring instrument |
| 06/09/1992 | CA1303039C Test agents and indicators for the detection of thiol groups and processes for their preparation |
| 06/03/1992 | EP0488994A2 Quality control device for use in an analytical instrument |
| 06/03/1992 | EP0488756A1 Oxidizable color producing reagent |
| 06/02/1992 | US5118472 Multilayer; reagent composition; optically detectable change |
| 06/02/1992 | US5118405 Luminescent probe complex for measuring ph and method for measuring ph |
| 06/02/1992 | CA1302448C Apparatus for separating test strips |
| 06/02/1992 | CA1302244C Dry test strips having a red blood cell exclusion layer preventing interference by red blood cells in analyte detection visualization |
| 06/02/1992 | CA1302211C Method and apparatus for measuring cyanide |