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)
12/1995
12/13/1995EP0643828A4 Method for monitoring and controlling metalworking fluid.
12/13/1995CN1113166A Titrimetric mixing instrument
12/12/1995US5474907 Spreading layer, dye layer of tyrosinase and hydrazone coupling agent, barrier layer, reagant layer
12/12/1995US5474743 Cation-sensing composite structure and compounds for use therein
12/07/1995WO1995033203A1 Method for quantitative analysis of total cyanide
12/07/1995WO1995033201A1 Process for checking the saturation level of activated carbon filters
12/07/1995WO1995033195A1 Improved method of detecting the permeability of an object to oxygen
12/07/1995WO1995033068A1 Biosensors for detecting nitrate or nitrite ions
12/05/1995US5472878 Using a 1,8-naphthalimide dye
12/05/1995US5472668 Substrate having an indicating member conisting of a transparent polymer vehicle mixed with an indicator which undergoes color change to carbon dioxide found in exhaled breath
12/05/1995CA1337682C Whole blood glucose test strip
11/1995
11/30/1995DE4418619A1 Appts. for determn. of carbon content of conc. mineral acids
11/29/1995EP0684476A1 Titration simulation system and method
11/29/1995CN2213996Y Adjusting device for liquid drop capacity
11/28/1995US5470752 Multi-layer devices and methods of assaying for fructosamine
11/28/1995US5470532 Gold particles and porous fiber substrate for removal of cyanide ions in ground water
11/28/1995US5469731 Apparatus and method for a gas quantity setting system
11/28/1995CA2148430A1 Titration emulation system and method
11/23/1995DE4417247A1 Fluid incinerator
11/21/1995US5468451 Device for indicating the presence of carbon dioxide in a patient's exhaled air
11/21/1995US5468135 Apparatus for manufacture of containers for materials being heated
11/15/1995EP0682250A1 Method and device for characterising organic, nitrogen containing and suspended matter in a liquid
11/15/1995EP0681698A1 Crystallization analysis fractionization
11/15/1995EP0681697A1 Control reagent containing a hydroxylamine or an antioxidant
11/15/1995EP0681611A1 Compositions useful in anaerobic determination of analytes
11/15/1995EP0530357B1 Element and method for nucleic acid amplification and detection using adhered probes
11/14/1995US5466606 Use of N-methylformamide as solvent for the Karl Fischer titration
11/09/1995WO1995030148A1 OPTICAL SENSOR SYSTEM FOR DETERMINING pH VALUES AND IONIC STRENGTHS
11/09/1995WO1995029959A1 Polymerisable compositon and the use thereof
11/09/1995WO1995029709A1 Vessel useful for monitoring plasma sterilizing processes
11/09/1995CA2187365A1 Polymerisable compositon and the use thereof
11/09/1995CA2186620A1 Optical sensor system for determining ph values and ionic strengths
11/08/1995EP0433382B1 Method and apparatus for chemical species determination
11/07/1995US5464588 Arrangement for colorimetrically detecting a gaseous and/or vaporous component in a gas mixture
11/07/1995US5464587 In blood
11/02/1995WO1995029402A1 Contamination test
11/02/1995WO1995029394A1 Method of detecting the permeability of an object to oxygen
11/02/1995EP0485549B1 Analytical assay
11/02/1995CA2188673A1 Contamination test
11/01/1995CN2211605Y Disposable colorimetric cup
11/01/1995CN1111015A Indicator paper for detecting peroxide content of edible oil and oil-bearing food and its prepn. method
10/1995
10/31/1995US5462991 Immobilization of pH-sensitive dyes to solid supports
10/31/1995US5462989 Fiber optic potassium ion sensor
10/31/1995US5462858 Dry multilayer analytical elements for assaying transaminases
10/26/1995DE4439128A1 Purificn. of sodium formaldehyde sulphoxylate
10/19/1995DE4413423A1 Appts. for decomposition of substances, esp. unknown samples for analysis
10/17/1995US5459276 Benzazolylcoumarin-based ion indicators for heavy metals
10/17/1995US5459075 Pneumatic signals, NDIR gas analyzer
10/11/1995EP0675924A1 Cyclic-substituted unsymmetrical cyanine dyes
10/10/1995US5457200 3-aminopyrazolo heterocyclic derivatives, and use for colorimetric determinations
10/10/1995US5457056 Stable reaction product
10/10/1995CA1337258C Microtiter plate washer
10/05/1995WO1995026501A1 Optical sensor for the determination of ions
10/05/1995CA2183765A1 Optical sensor for the determination of ions
10/04/1995EP0675362A2 Minimizing interferences in chemiluminescent thin-film immunoassays
10/03/1995US5454882 Process for controlling a fluoride containing conversion coating forming composition during its use for conversion coating aluminum containing metal
10/03/1995CA1337174C Biological diagnostic assay system
10/03/1995CA1337173C Thin film diagnostic device
09/1995
09/28/1995DE4410536A1 Appts. to determine total organic carbon content in material
09/27/1995EP0674174A2 Multilayer analytical element for salicylate assay
09/27/1995EP0673507A1 Low oxygen transmission imaging system.
09/26/1995US5453380 Placeg in vial, rotate about vertical axis, contact with solvent to dissolve component, remove solvent
09/26/1995US5453377 Methods for making iodine-free Karl Fischer reagents
09/26/1995US5453360 Oxidative coupling dye for spectrophotometric quantitive analysis of analytes
09/26/1995US5452881 Crucible for an analyzer
09/21/1995WO1995024933A1 Packaging systems for peracid sterilization processes
09/20/1995EP0672087A1 Indicators to determine proton concentration
09/19/1995US5451674 Transition metal azatetrabenzoporphyrins useful as gas sensors
09/19/1995US5451526 Determination of oxidant or reductant concentration by the spectrophotometric or visual response in oxidation or reduction of polyaniline
09/19/1995US5451372 Device for monitoring sterilization process utilizing 100% ethylene oxide
09/19/1995US5451350 Test carrier for the determination of an analyte as well as a process for its production
09/14/1995WO1995024622A1 Steam sterilization indicator
09/13/1995EP0670751A1 Improved sensor membranes
09/13/1995CN2207582Y Recorder for object affected with damp
09/12/1995US5449918 Amplified fluorescence emission for chemical transduction
09/06/1995EP0670491A2 Method and device of measuring the concentration of total ammonium in a liquid medium
09/05/1995US5447689 Sizing absorbent pad with fatty acid ketene dimer or a fatty acid chloride or a fluorocarbon polymer
09/05/1995US5447688 Substrate adjacent to volatile analyte, agent reactive to anal analyte to produce detectable signal
09/05/1995CA2143730A1 Test for glycol in water
08/1995
08/31/1995DE4392711C2 Indicator strip for phosphate in soil
08/30/1995CN1029645C Geothermal water dissolve oxygen in-line tester
08/29/1995US5445965 Detection of nutrients and contaminants in liquid sample
08/24/1995WO1995022759A1 Solid state sensors
08/24/1995CA2183455A1 Solid state sensors
08/22/1995US5443991 Using a carbon dioxide permselective membrane
08/22/1995US5443990 Composition for measuring ionic strength or specific gravity of liquid specimen and test piece prepared from said composition
08/17/1995WO1995022054A1 Disposable sterilization test pack for evaluating steam and ethylene oxide sterilization
08/16/1995CN1029531C Automatic titration apparatus
08/15/1995US5441681 Process for manufacture of containers for materials being heated
08/10/1995DE4403352A1 Determination of the proportion of gaseous hydrogen@ in the para form
08/09/1995EP0665896A1 Stable reagent for ferric ion complex indicator systems
08/09/1995EP0665895A1 $i(BACILLUS CIRCULANS) BASED BIOLOGICAL INDICATOR FOR GASEOUS STERILANTS
08/09/1995CN1106407A Cation-sensing composite structure and compounds for use theein
08/08/1995US5439828 Fluorgenic and chomogenic three-dimensional ionophores as selective reagents for detecting ions in biological fluids
08/08/1995US5439827 A mixture containing an oxidizer iron ammonium salt complexes eliminating interference of ascorbic acid
08/08/1995US5439699 Ultrafiltering, isolating permeate, adding bittering agent, dextrins and foaming agent
08/08/1995US5439648 Gas indicator for a package
08/02/1995CN1106140A Quick metering method of active chlorine in disinfectant
08/01/1995US5438146 Enhanced chemiluminescence from 1,2-dioxetanes through energy transfer to tethered fluorescers
08/01/1995US5437839 Wire apparatus for pyrolysis