Patents
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)
08/1982
08/31/1982US4347241 Delayed release coated metal phosphide pesticides
08/31/1982US4347216 Wet sample decomposing apparatus
08/31/1982CA1130708A1 Method and apparatus suitable for repeated, accurate chemical analyses
08/18/1982EP0058019A1 Sanitation indicator
08/17/1982US4344918 Determination of total carbon in liquid samples
08/11/1982EP0057542A1 Improved specimen slide for occult blood testing
08/11/1982EP0057390A2 Method for eliminating the bonded inorganic carbon of water
08/10/1982CA1129391A1 Process and catalyst for determining nitrogen in a sample according to the kjeldahl principle
08/10/1982CA1129326A1 Stack gas analyzer and thermal oxidation device therefor
08/10/1982CA1129325A1 Analytical method and apparatus for the determination of total nitrogen contents in aqueous systems
08/10/1982CA1129323A1 Diagnostic agent for the detection of components in liquids
08/10/1982CA1129318A1 Process and a device for the production of reagent solutions
08/10/1982CA1129315A1 Substrate composition and use thereof
08/04/1982EP0057110A2 Reaction vessel and method for combining liquids and reagents
08/04/1982EP0056826A1 Reagent for quantitative determination of water and its use therefor
07/1982
07/27/1982US4341528 Simple, non-chromatographic, highly specific method for the determination of urinary vanilmandelic acid
07/20/1982US4340565 Hematocrit value determining element
07/20/1982CA1127943A1 Kit for determining the level of ldl cholesterol in body fluids
07/20/1982CA1127874A1 Decomposition gas detection due to fault occurance in an electrical apparatus
07/13/1982US4339240 Color changing polyacetylenic compounds
07/13/1982CA1127418A1 Apparatus and method for indicating the presence in a fluid of one or more predetermined substance
07/08/1982WO1982002251A1 Method and article for determining free acid concentration in liquid
07/06/1982CA1127056A2 Means for testing chromium electroplating baths
06/1982
06/30/1982EP0054957A1 Method and apparatus for photometrically monitoring the concentration of both chlorine and chlorine dioxide
06/30/1982EP0054713A2 Pyridineless Karl Fischer reagent, and method of determining water with this reagent
06/30/1982EP0054679A1 The use of reagent strips for the production of reagent solutions
06/29/1982USRE30983 Colorimetric determination of iron
06/29/1982US4337222 Hydrophilic binder, porous spreading layer
06/23/1982EP0054262A1 Method of and apparatus for the automatic simultaneous analysis of several samples
06/22/1982US4336158 Acetic acid, phosphoric or sulfuric acid, inorganic bromide or iodide
06/22/1982US4336031 Method for the calibration of an oxygen sensing unit and calibration agent therefor
06/22/1982US4335621 Pipette
06/22/1982CA1126140A1 Method and apparatus for chemical analysis of specimens
06/22/1982CA1126050A1 Analytical method and apparatus for the determination of total nitrogen contents in samples
06/15/1982US4334881 Removal of calcium an magnesium values from wash water
06/15/1982CA1125633A1 Test strips for analysing dissolved substances
06/09/1982EP0053283A1 Method of determining water in samples
06/08/1982US4333735 Process and apparatus for measuring gaseous fixed nitrogen species
06/02/1982EP0052988A1 Analytical method for the determination of nitrogen, carbon, hydrogen and sulfur or chlorine and apparatus therefor
06/02/1982EP0052834A2 Mechanical peroxide sensor based on pressure measurement
06/02/1982EP0052790A1 Method of determining the composition of binary liquid mixtures
06/02/1982EP0052762A1 Method and agent for the determination of nitrate ions
06/01/1982US4332770 Apparatus for analyzing the carbon content of metals
06/01/1982US4332591 Analytical method and apparatus for the determination of total nitrogen contents in aqueous systems
06/01/1982CA1124644A1 Organo-polymeric particles forming lattice by organic polymer adhesive
05/1982
05/26/1982EP0052328A2 Analytical device
05/18/1982US4330298 Reductive pyrolysis method for determining trace sulfur
05/18/1982US4330297 Test tube construction and method for measuring for nickel aerosols
05/18/1982US4330296 Albumin reagent and assay
05/18/1982US4330153 Identification of fluid flow under in-situ mining conditions
05/18/1982CA1123625A1 Method and apparatus for determining oil mist in compressed air
05/12/1982EP0051209A1 Device and method for preparation of a control solution for ketone determination
05/11/1982US4329318 Capsules for determining the alcohol content of the breath
05/11/1982US4329317 2,6-di-tert-butyl-p-cresol
05/11/1982US4329153 Colorimetric analysis
05/11/1982CA1123325A1 Determination method of amino or aminosulphonic acid
05/04/1982US4328184 Test slide strip
05/04/1982US4328182 Sterilization indicators containing amino acid(s) and pH indicator
05/04/1982US4328181 Indicator material
05/04/1982US4328000 Quantitative determination of the surface charge of serum lipoproteins
05/04/1982US4327575 Monitoring apparatus and method for toxic vapors
05/04/1982CA1122889A1 Reduction of detectable species migration in elements for the analysis of liquids
04/1982
04/28/1982EP0050157A1 Ammonia analysis apparatus
04/27/1982US4326850 Reacting an acid with free sodium, to detect hydrogen gas produced
04/27/1982CA1122502A1 Steam-formaldehyde sterilization indicator
04/27/1982CA1122443A1 ANALYSIS CELL FOR FEEDING .alpha. DIKETONES FOR THEIR MEASUREMENT UNDER CONTINUOUS FLOW CONDITIONS
04/22/1982EP0042393A4 Chromatographic sheet of layer for pressurized layer chromatographic apparatus.
04/21/1982EP0050041A1 Combustion apparatus
04/20/1982US4325912 Carbon monoxide detection apparatus
04/20/1982US4325911 Stack gas analyzer and thermal oxidation device therefor
04/20/1982US4325907 Pyrolysis product gases analyzing method and system
04/14/1982EP0049346A2 Indicator tube for the detection of oil in air
04/13/1982US4324558 Method of monitoring toxic fluids
04/06/1982US4323536 Multi-analyte test device
04/06/1982CA1121254A1 Sterilization indicator
04/06/1982CA1121242A1 Fiber optic ph probe
03/1982
03/30/1982US4322215 Method for determining particular species of chlorine in a water sample
03/30/1982CA1120838A1 Process for the quantitative determination of the oxygen demand of water containing oxidizable matter
03/30/1982CA1120832A1 Analytical elements for the analysis of liquids under high ph conditions
03/23/1982USRE30888 For spectrophotometric determination of iron
03/23/1982US4321059 Process for the analytical determination of hydrogen cyanide in gases
03/17/1982EP0047471A1 Analysis element for immunochemical measurement of trace components and for enzyme assay and methods using the same
03/16/1982US4320086 Paper device for rapid detection of cocaine
03/16/1982US4319966 Technique for monitoring SO3, H2 SO4 in exhaust gases containing SO2
03/16/1982US4319883 Method for determining catecholic compounds and their related compounds
03/16/1982CA1120103A1 Ion selective electrode analysis
03/16/1982CA1119926A1 Device for delivering measured quantities of reagents into assay medium
03/16/1982CA1119831A1 Liquid transport device and method
03/10/1982EP0047101A2 Improved indicator system for useful life of products which release active agents into the atmosphere
03/10/1982EP0046819A1 Reagent for the quantitative determination of water and its use therefor
02/1982
02/24/1982EP0046178A2 Apparatus useful in determining organic carbon content of a sample
02/23/1982CA1118669A1 Method for evaluating the ionic condition of human hair
02/23/1982CA1118668A1 Process and apparatus for analysis solid organic substances for sewage water
02/18/1982WO1982000524A1 Simple,non-chromatographic,highly specific method for the determination of urinary vanylmandelic acid
02/16/1982US4315890 Detectors and spectrophotometric analyzers
02/16/1982CA1118330A1 Apparatus and method for measuring aerosols and gases with detector tubes
02/16/1982CA1118327A1 Whole blood analyses in porous media
02/10/1982EP0045647A2 A method of forming a stable chromophore derived from vanylmandelic acid and the use thereof in the determination of vanylmandelic acid
02/03/1982EP0045220A1 Method and test composition for determination of hydrogen peroxide
02/02/1982US4314025 Blood preservation anticoagulant solution