| 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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| 12/21/1993 | US5272088 Method and apparatus for detecting the presence of carbon dioxide in a sample |
| 12/21/1993 | US5272061 Assay for serum cholinesterase activity |
| 12/21/1993 | US5271900 Carbon analyzer for both aqueous solutions and solid samples |
| 12/21/1993 | CA1325343C Method and apparatus for measuring the calorific power conveyed by a flow of fuel substance |
| 12/15/1993 | EP0574134A2 Fluid conducting test strip with transport medium |
| 12/15/1993 | EP0574056A1 Dry analytical element for the detection of prostatic acid phosphatase |
| 12/15/1993 | EP0573715A2 Method and apparatus for continuously measuring the concentration of chemicals in solution |
| 12/15/1993 | EP0573572A1 Improved test strip |
| 12/14/1993 | US5270217 Method and article for providing an indication of the presence of air in steam |
| 12/14/1993 | US5270209 Method for distinguishing cosmetic sticks containing water |
| 12/14/1993 | US5269832 Method and apparatus for continuously measuring the concentration of chemicals in solutions |
| 12/09/1993 | WO1993024831A1 Method for monitoring and controlling metalworking fluid |
| 12/08/1993 | EP0572599A1 Ion-sensitive dyes |
| 12/08/1993 | EP0572533A1 Membrane method for the determination of an organic acid |
| 12/07/1993 | US5268302 Selective, high speed detection of vapors with analysis of multiple GC-separated portions |
| 12/07/1993 | US5268146 Visible indicator, transparent walls |
| 12/07/1993 | US5268145 Sensor film containing a dye and sensitizer |
| 12/06/1993 | CA2097475A1 Method and apparatus for determining the concentration of readily oxidizable organic vapors in gas samples |
| 12/02/1993 | DE4217402A1 Sodium hexa:cyano:ferrate amt. determn. appts. for wine electro titration - comprises automatic computer controlled feeder of sodium hexa:cyano:ferrate to reduce heavy metal ions and analogue=digital converter with value print=out |
| 12/01/1993 | EP0572157A1 Improved microsensor and method of manufacture |
| 12/01/1993 | EP0572156A1 Method of stabilizing a carbon dioxide sensor |
| 12/01/1993 | EP0571941A1 Non-woven fabric containing test carrier |
| 12/01/1993 | EP0571940A1 Test strip for analyse detection and method for manufacturing the same |
| 12/01/1993 | CN2148330Y Injector for delivery of titrant for automatic burette |
| 11/30/1993 | US5266271 Optical fiber, dye indicator |
| 11/30/1993 | US5266270 On-line test and analysis process and equipment making it possible to establish a material balance of a chemical reaction |
| 11/25/1993 | DE4216508A1 IR analysis of solids via selective gasification - allows measurements of discrete rotational and vibrational spectral lines e.g. determn. of carbon sulphur in sample of iron as carbon- and sulphur di:oxide(s) |
| 11/24/1993 | EP0570681A1 Method for identifying decomposable organic compounds in water |
| 11/24/1993 | EP0570363A1 Method of testing oils |
| 11/23/1993 | US5264622 Water-soluble methylenebis(dialkylaniline) derivatives and application thereof |
| 11/23/1993 | US5264589 Merocyanine protein error indicators |
| 11/23/1993 | US5264348 Ascorbate interference-resistant composition, device and method of assaying for predetermined analyte |
| 11/23/1993 | US5264346 Decyclization of beta-lactam ring decorizes chromophore |
| 11/23/1993 | US5264183 Method and apparatus for carrying out catalyzed chemical reactions and for studying catalysis |
| 11/23/1993 | CA2095414A1 Microsensor copolymer and method of manufacture |
| 11/23/1993 | CA2095002A1 Method of stabilizing a carbon dioxide sensor |
| 11/18/1993 | EP0569826A1 Method and system for monitoring quality of phosphate coating |
| 11/18/1993 | EP0434800B1 Analytical assay method |
| 11/16/1993 | US5262330 Chromogens for complexing metals |
| 11/16/1993 | CA1324310C Method and apparatus for refrigerant testing in a closed system |
| 11/13/1993 | CA2095982A1 Fluid conducting test strip with transport medium |
| 11/11/1993 | WO1993022654A1 Carbon particulate monitor |
| 11/11/1993 | DE4231510A1 Organic sample analysis - where sample is burned at a high temp. and its gas prod. is heated in a reaction zone for content analysis from a single sample |
| 11/11/1993 | DE4231509A1 Determining carbon, hydrogen, nitrogen and sulphur content released from an organic sample - by absorbing sulphur di:oxide before carbon di:oxide in heat conductivity detector |
| 11/10/1993 | CN2145642Y Minisize acid-form titration and separation tube |
| 11/10/1993 | CN1022706C Acid base titration method for content measuring of fatty acid |
| 11/09/1993 | CA1324068C Microreactor for analyzing thin solid samples |
| 11/09/1993 | CA1324066C Simultaneous assay for calcium and phosphorus |
| 11/03/1993 | CN2145386Y Colorimetric pipe liquid separater |
| 11/02/1993 | US5258065 Ink composition for indicating the progress of sterilization with ethylene oxide |
| 10/27/1993 | EP0567067A1 Cartridge for storing dry analytical film slides |
| 10/27/1993 | EP0567018A2 Chemical composition for indicating lifetime of a product |
| 10/27/1993 | EP0566903A1 Volatile tracers for diagnostic use in steam generating systems |
| 10/26/1993 | CA1323632C Oil and fat release method |
| 10/26/1993 | CA1323630C Indicator compounds, methods of their preparation and use of those compounds in an iron assay system |
| 10/20/1993 | EP0566325A1 Process and apparatus for manufacture of containers for materials being heated |
| 10/20/1993 | EP0565594A1 Apparatus for dry chemical analysis of fluids. |
| 10/20/1993 | EP0558628A4 Diesel particulate monitor |
| 10/20/1993 | CN2144307Y Measurer for carbon dioxide gas concentration |
| 10/19/1993 | US5254473 Solid state device for monitoring integral values of time and temperature of storage of perishables |
| 10/14/1993 | WO1993020438A1 A nicotine and/or nicotine metabolite detection system |
| 10/14/1993 | WO1993020431A1 Method for measuring the concentration of carbon dioxide dissolved in sea water, and device therefor |
| 10/14/1993 | CA2133415A1 A nicotine and/or nicotine metabolite detection system |
| 10/14/1993 | CA2109809A1 Method for measuring the concentration of carbon dioxide dissolved in sea water, and device therefor |
| 10/14/1993 | CA2093758A1 Process and apparatus for manufacture of containers for materials being heated |
| 10/12/1993 | US5252491 Aqueous carbon dioxide monitor |
| 10/12/1993 | US5252274 Process for manufacture of containers for materials being heated |
| 10/12/1993 | CA1322945C Indicator device |
| 10/12/1993 | CA1322941C Test composition and device for determining cyanuric acid in water |
| 10/12/1993 | CA1322940C Wetness indicating hot-melt adhesives |
| 10/06/1993 | EP0564000A1 Method and apparatus for detecting moisture present in atmosphere gas |
| 10/06/1993 | EP0369013B1 Testing piece and testing device for measuring chloride |
| 10/05/1993 | US5250441 Method for kit for estimating the amount of methyl anthranilate |
| 10/05/1993 | US5250260 Cellulose impregnated with silver perchlorate coloring reagent and para-toluenesulfonic acid light resistance enhancer |
| 10/05/1993 | US5250169 Apparatus for sensing hydrocarbons and carbon monoxide |
| 10/04/1993 | CA2093088A1 Volatile tracers for diagnostic use in steam generating systems |
| 09/30/1993 | WO1993019363A1 Fast response test panel |
| 09/30/1993 | WO1993017333A3 Carbon analyser |
| 09/29/1993 | EP0562425A1 Assay system for analysis slide, information recorded magnetic card, and assaying apparatus therefor |
| 09/29/1993 | EP0562210A1 Method for the determination of polyamines |
| 09/22/1993 | EP0561160A1 Colorimetric methods and reagents for the assay of calcium in a test sample |
| 09/21/1993 | US5246863 Karl Fischer titration techniques |
| 09/21/1993 | US5246859 Method of stabilizing a carbon dioxide sensor |
| 09/21/1993 | US5246664 Water-disintegrable material and device for assaying a body fluid |
| 09/21/1993 | CA1322335C Process and device for the separation of a body fluid from particulate materials |
| 09/21/1993 | CA1322324C Self-indicating and improved resolution analyses employing stoichiometric chemical subtraction |
| 09/16/1993 | WO1993018400A1 Method and apparatus for analyzing organic matters using transportable construction |
| 09/15/1993 | EP0560137A1 Mercury containing complexing agents for anions (halogenides and pseudohalogenides) and method for the determination of halogenides and pseudohalogenides in aqueous media |
| 09/15/1993 | EP0560099A2 Device for determining chemical and/or biological conditions in liquid, especially aqueous, media, e.g. urine, using at least one indicator |
| 09/14/1993 | US5245021 14-crown-4-ether derivatives |
| 09/14/1993 | US5244812 Detection of electron acceptor gases using sulfur-selenium fulvalenes |
| 09/14/1993 | US5244811 Method and system for determining organic matter in an aqueous solution |
| 09/14/1993 | US5244634 Separation, chelation, ion exchange, chromatography |
| 09/14/1993 | US5244631 Platelike stick composed of water-disintegratable layer with superposed water-soluble layer and multiplicity of minute pieces of water-insoluble material, detecting function part deposited on stick surface |
| 09/08/1993 | EP0558628A1 Diesel particulate monitor |
| 09/07/1993 | US5241868 Sample dispersing apparatus and method for use with a pyrolisis furnace |
| 09/07/1993 | CA1321946C Colorimetric gas measuring device |
| 09/02/1993 | WO1993017333A2 Carbon analyser |
| 09/01/1993 | EP0558131A2 Method for deciding the reactivity and soot index of carbon products and equipment therefor |
| 08/31/1993 | US5241263 Electric current detecting apparatus |