| 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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| 01/22/1985 | CA1181332A1 Determination of grain refiners in phosphate conversion coating baths |
| 01/22/1985 | CA1181330A1 Hydride gas detecting tape |
| 01/16/1985 | EP0131194A2 Multiple profile reagent card |
| 01/15/1985 | CA1180917A1 Btu meter for monitoring the heating value of fuel gases |
| 01/09/1985 | EP0130675A2 Chemical composition for the detection of water and probe containing it |
| 01/09/1985 | EP0130335A1 Testing device |
| 01/08/1985 | US4492759 Field-test method and apparatus for the detection of asbestos |
| 12/27/1984 | EP0129220A2 Device for the reading out of a test reagent bearer for the analytical determination of substances in a body fluid |
| 12/27/1984 | EP0129203A2 Device for the reading out of a plane test reagent bearing element |
| 12/27/1984 | EP0128937A1 Drug abuse test indicator device and method of making same |
| 12/27/1984 | CA1179868A Rotor unit with insert elements for a centrifugal analyser |
| 12/20/1984 | WO1984004968A1 Process of determination of the concentration of halogen in organic samples |
| 12/19/1984 | EP0128627A1 Process of determining the concentration of halogen in organic samples |
| 12/19/1984 | EP0128422A2 Reagent test device holder |
| 12/18/1984 | US4489164 Colorimetric method for detecting aldehydes in air |
| 12/12/1984 | EP0127740A1 Titration reagent for the determination of small amounts of water and method of using it |
| 12/11/1984 | CA1179261A1 Analytical element and method for preventing reagent migration |
| 12/05/1984 | EP0127179A1 Stabilization of tetrazolium salt with cyclodextrin |
| 12/04/1984 | US4486537 Analytical element and method of use |
| 12/04/1984 | US4486387 Detection of defects |
| 11/28/1984 | EP0126617A2 Macromolecule determination by phsysical development |
| 11/28/1984 | EP0126357A1 Sealed reagent matrix |
| 11/28/1984 | EP0126356A2 Process and apparatus for sealing reagent ribbons |
| 11/27/1984 | US4485071 Hydrocarbon content |
| 11/22/1984 | WO1984004597A1 Method and apparatus for determining carbonate/sulfide concentration |
| 11/21/1984 | EP0125693A2 Method and apparatus for detecting end point of titration |
| 11/21/1984 | EP0125555A2 Unified test means for ion determination |
| 11/21/1984 | EP0125554A2 Ion test means having a hydrophilic carrier matrix |
| 11/14/1984 | EP0124520A1 Chemical droplet reactor |
| 11/13/1984 | US4482635 Composition, indicator, process and device for detecting carbon monoxide |
| 11/13/1984 | US4482583 Grooved applicator roll |
| 11/07/1984 | EP0124287A2 Method and test composition for determination of hydrogen peroxide |
| 11/07/1984 | EP0124215A2 Collection of specimens and detection of occult blood therein |
| 11/07/1984 | EP0124214A2 Specimen-collection wipe for occult-blood detection |
| 11/06/1984 | US4481296 Color indicator system for pH measurement |
| 11/06/1984 | US4481295 Substituted or condensed pyridines in a process for the detection of substances having a peroxidatic effect and a diagnostic agent containing such pyridines |
| 11/06/1984 | US4481168 Device for determining heat losses due to incomplete fuel combustion |
| 10/31/1984 | EP0123443A2 Method of analyzing whole blood sample |
| 10/30/1984 | CA1176962A1 Magnesium assay and reagents therefor |
| 10/25/1984 | WO1984004165A1 Film badge for determining carbonyl compounds |
| 10/24/1984 | EP0122641A2 Analytical reagent, analytical method, and multilayer chemical-analytical element |
| 10/23/1984 | US4478943 Providing hypohalite for silver salt formation |
| 10/23/1984 | US4478942 Quantitative analysis film and a method for colorimetric analysis using the same |
| 10/17/1984 | EP0121743A2 Optical indicator chalcogen compounds and use |
| 10/10/1984 | EP0121192A2 Analytical test composition, device, method for its preparation and method for the determination of peroxidatively active substance |
| 10/10/1984 | EP0121191A2 Analytical test composition, device, method for its preparation and method for the determination of peroxidatively active substances |
| 10/09/1984 | US4476222 Polymethyl methacrylate, polyvinyl formal |
| 10/09/1984 | US4476149 Process for the production of an analysis test strip |
| 10/03/1984 | EP0120231A2 Device for the detection of a gas using a sensor consisting of a metallic oxide |
| 10/03/1984 | EP0120203A1 Device for detecting gaseous pollutants in air by making use of a gas sensor |
| 10/02/1984 | US4474885 Method of analyzing fuel oil for catalyst component |
| 10/02/1984 | US4474691 Chromophoric peptides, a process for their preparation, agents containing them and their use for determining DD-carboxypeptidases |
| 09/26/1984 | EP0119861A1 Multilayer analytical element for quantitative analysis of bilirubin |
| 09/26/1984 | EP0119623A2 Multilayer analytical element for non-isotopic assay |
| 09/26/1984 | EP0119622A2 Integral element for biological reaction and process for the preparation thereof |
| 09/25/1984 | CA1174951A1 Pyridine-free karl-fischer reagent and a process for the determination of water therewith |
| 09/18/1984 | US4472507 Indicators |
| 09/18/1984 | US4472353 Gas detector badge |
| 09/13/1984 | WO1984003563A1 Automated pcb analyzer system |
| 09/12/1984 | EP0118063A1 Reagent for the detection of peroxides |
| 09/11/1984 | US4471296 Measuring oxygen concentration |
| 09/11/1984 | US4471055 Process and kit for determining concentrations of aldehydes |
| 09/11/1984 | CA1174333A1 Method of monitoring a combustion system |
| 09/11/1984 | CA1174152A1 Biological indicator for sterilization processes |
| 09/05/1984 | EP0117390A2 Process for monitoring incremental environmental exposures of products that undergo progressive quality changes in response to environment stimuli |
| 08/22/1984 | EP0116383A1 Catalytic hydrodesulphurization of a hydrocarbon oil fraction and method and apparatus for sulphur content determination |
| 08/22/1984 | EP0116361A2 Analytical element for dry analysis |
| 08/22/1984 | EP0116307A2 Composition, analytical element and method for the quantification of creatine kinase |
| 08/21/1984 | US4467085 Chromogen bonded to polymers |
| 08/21/1984 | US4466942 Gaseous contaminant dosimeter |
| 08/21/1984 | CA1172946A1 Sanitation indicator |
| 08/15/1984 | EP0115873A2 Analytical element for quantitative analysis of bilirubin |
| 08/15/1984 | EP0115743A1 Process and apparatus for liquid-liquid extraction |
| 08/15/1984 | EP0115616A1 Device for low temperature plasma incineration of oxidizable carbon containing materials |
| 08/07/1984 | US4464338 In situ tritium borehole probe for measurement of tritium |
| 08/02/1984 | WO1984002923A1 Preservative composition having color indicator |
| 08/01/1984 | EP0114403A1 Multilayer analytical element |
| 07/31/1984 | US4462963 Analytical furnace |
| 07/25/1984 | EP0113896A1 Test strips |
| 07/24/1984 | CA1171347A1 Method, reagent and kit for the determination of nitrate ions |
| 07/24/1984 | CA1171343A1 Reagent for the quantitative determination of water and its use therefor |
| 07/17/1984 | US4460544 Test tube for the measurement of oil mists |
| 07/17/1984 | US4459936 Apparatus for indicating whether the interior of a container has been sterilized during a sterilization process |
| 07/17/1984 | CA1170962A1 Specimen slide for occult blood testing |
| 07/10/1984 | US4459358 Diffusion, nondiffusing, adjustment, unsulation |
| 07/10/1984 | US4459266 Air purity monitoring system |
| 07/10/1984 | US4459103 Automatic volatile matter content analyzer |
| 07/10/1984 | CA1170551A1 Visual chemical indicating composition for monitoring sterilization |
| 06/27/1984 | EP0112299A2 Method for superoxidic-dismutasis purification via chromatography by affinity |
| 06/26/1984 | US4456580 For loading and feeding crucibles to combustion furnace |
| 06/21/1984 | WO1984002397A1 Drug abuse test indicator device and method of making same |
| 06/20/1984 | EP0110948A1 Method of analysing carbon and carbon compounds. |
| 06/13/1984 | EP0110683A1 Determining the degree of cooking in a sulphite digester delignification |
| 06/12/1984 | US4454094 Diffusion of separated reagents for colorimetric analysis |
| 06/12/1984 | CA1168895A1 Method and apparatus for photometrically monitoring the concentrations of both chlorine and chlorine dioxide |
| 06/05/1984 | EP0086821A4 A method for increasing the sensitivity of assays. |
| 06/05/1984 | CA1168562A1 Device for and method of simultaneous autonomous analyse |
| 05/30/1984 | EP0109959A2 Sensor element for the determination of the oxygen content of a sample, and process for making the same |
| 05/30/1984 | EP0109958A2 Measuring device for determining the oxygen content of a sample |
| 05/30/1984 | EP0031826B1 Process for monitoring the history of temperature versus time of deep-frozen product, indicator for applying said process and utilization of said process |