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)
12/1992
12/29/1992CA2071747A1 Method and article for distinguishing cosmetic sticks containing water
12/29/1992CA1311941C Dosimeter
12/28/1992WO1993000669A1 Patterned indicators
12/23/1992WO1992022806A1 Test for per acids
12/23/1992EP0519198A2 Immobilization of PH-sensitive dyes to solid supports
12/23/1992CN2125828U Quantitative riffle sampler for liquid
12/22/1992US5173261 Allows visible inspection of sample during analysis
12/15/1992US5171694 Using combination of weak base/strong acid membrane-strong base/weak acid to neutralize CO2 to its carboante
12/15/1992US5171669 Cobalt(III) reagents in combination with water soluble polymers
12/15/1992US5171536 Colorimetric testing and measuring device for gases
12/10/1992WO1992021969A1 Improved colorimetric karl fischer water determination
12/10/1992WO1992021952A1 Instrument for sampling minute quantity of specimen
12/10/1992WO1992021777A1 Determination of penicilloic acids
12/10/1992DE4143341A1 New amino-calcein cpds. for reversible optical sensor for metal ion concn.
12/10/1992DE4118681A1 Membrane for anion sensor, esp. for determn. of nitrate concns. - has polymer matrix contg. phenanthroline-metal complex as anion ionophore and sulphonated tri:phenyl-methane dye as proton ionophore
12/09/1992EP0517366A1 Method and apparatus for sensing oxides of Nitrogen
12/09/1992EP0517364A2 Apparatus for sensing hydrocarbons and carbon monoxide
12/09/1992EP0517055A1 Merocyanine protein error indicators
12/09/1992EP0517054A1 Nitro or nitroso substituted polyhalogenated phenolsulfonephthaleins as protein indicators in biological samples
12/09/1992EP0517050A2 Test-strip containing merocyanine and nitro or nitroso substituted polyhalogenated phenol-sulfonephthaleins as protein indicators
12/08/1992US5169787 Test carrier for determining an analyte in a blood sample, process for making the carrier and use thereof
12/08/1992CA2068131A1 Apparatus for sensing oxides of nitrogen
12/08/1992CA1311178C Use of substituted ortho-quinones as electron transfer agents in analytical determinations
12/07/1992CA2070040A1 Merocyanine and nitro or nitroso substituted polyhalogenated phenol-sulfonephthaleins as protein indicators in biological samples
12/07/1992CA2070039A1 Nitro or nitroso substituted polyhalogenated phenolsulfonephthaleins as protein indicators in biological samples
12/07/1992CA2068002A1 Merocyanine protein error indicators
12/02/1992EP0516610A1 Equipment for the determination of the flux of matter
12/02/1992EP0516227A2 Dry analytical element for lithium assay
12/02/1992EP0516226A1 Novel 14-crown-4-ether derivatives
12/02/1992EP0515625A1 INDICATOR SUBSTANCE OF AN OPTICAL FLUORESCENCE MEASURING ARRANGEMENT FOR MEASURING THE pH OF A SAMPLE AND OPTICAL SENSOR WITH SUCH AN INDICATOR SUBSTANCE.
12/02/1992EP0515623A1 Method and device for the continuous, reversible measurement of the concentration of a chemical species
12/02/1992EP0515398A1 Specimen test unit
12/01/1992CA1310905C Process and device for separating and testing whole blood
11/1992
11/26/1992DE4116780A1 Zone for warning of false results in oxidn. detection - contg. bis(hydroxyphenyl)azine and opt. also reducing agent
11/25/1992EP0514485A1 Glucose measurement control reagent
11/25/1992EP0514410A1 Fluid detection device
11/24/1992US5166079 Analytical assay method
11/24/1992US5166075 Method for determining whether respiratory gas is present in a gaseous sample
11/24/1992US5166074 Method of detecting the initial concentration of a water-treatment chemical in a diluted aqueous system
11/19/1992EP0513594A2 Ascorbate interference-resistant composition, device and method of assaying for a predetermined analyte
11/19/1992EP0513564A2 Reagent and method to measure the ionic strength or specific gravity of aqueous fluids
11/18/1992CA2068482A1 Reagent for determining the ionic strength and/or the specific weight of aqueous liquids, and method which is described and claimed in the specification submitted herewith
11/17/1992US5164160 Reprocessing nuclear waste, nitric acid solution
11/14/1992CA2067866A1 Ascorbate interference-resistant composition and method of assaying for a predetermined analyte
11/12/1992WO1992019964A1 Total sulfur analyzer
11/12/1992WO1992019957A2 Method for optically measuring chemical analytes
11/10/1992US5162525 Fluorogenic and chromogenic three-dimensional ionophores as selective reagents for detecting ions in biological fluids
11/10/1992US5162238 Immunological analysis
11/10/1992US5162200 Method for determination of a peroxidate-acting substance with a diarylimidazole compound
11/10/1992CA1309933C Process and test kit for the detection of explosives
11/10/1992CA1309930C Reagent and procedure for determining cations
11/05/1992DE4214012A1 Colorimetric indicator for aliphatic hydrocarbon vapour - contg. chromium, chromate or di:chromate, phosphoric acid and perchloric acid on carrier
11/03/1992US5160979 Test piece coloration comparative decision unit
11/03/1992US5160436 Asymmetric sandwich membrane system having reduced ascorbate interference
11/03/1992US5160413 Micro-distillation process for cyanide
10/1992
10/29/1992WO1992018863A1 Composition for measuring ionic strength or specific gravity of liquid specimen and test piece prepared from said composition
10/28/1992EP0511120A1 Testing device
10/28/1992EP0510951A2 Method for gathering and analysing hydrocarbon contained in sea water in small quantities
10/28/1992EP0509998A1 Carbon dioxide monitor.
10/28/1992EP0243485B1 Hybridoma tumor cell lines and their monoclonal antibodies to thaumatin
10/28/1992CN2120339U Automatic precise constant volume burette
10/27/1992US5158894 Mixing ferric chloride to oxidize sulfites to sulfates, add acid to convert carboante to carbon dioxide
10/26/1992WO1992019673A1 Moisture indicating molding resins
10/26/1992CA2108163A1 Moisture indicating molding resins
10/23/1992CA2066535A1 Method for gathering and analyzing hydrocarbon contained in sea water in small quantities
10/21/1992CN2119660U Rack for colorimetric cylinders
10/14/1992EP0508388A1 Method and composition for the determination of bicarbonate ions in fluids
10/14/1992CN2118989U Automatic titration instrument
10/13/1992US5155048 Using para-substituted phenylene ring compounds; monitoring intensity of color in sample fluid
10/13/1992US5155046 Fluorescent dyes as indicators; measuring intensity of wavelengths
10/13/1992US5154906 Redox-potential control for hydrogen peroxide in nitric acid
10/13/1992US5154890 Ionophor-fluorophore bound to polymeric gel; complexing potassium, measuring intensity changes in radiation
10/07/1992CN1018585B Testing tube of co2 gas
10/06/1992US5152963 Total sulfur analyzer system operative on sulfur/nitrogen mixtures
10/06/1992CA1308467C Apparatus and process for reagent fluid dispensing and printing
09/1992
09/30/1992EP0505636A1 Immunochromatographic assay method
09/30/1992EP0505529A1 So2 sensor and process for detecting so2
09/29/1992CA1308005C Disposable container configured to produce uniform signal
09/23/1992EP0505118A2 Membrane-containing wells for microtitration and microfiltration
09/23/1992EP0504948A1 Determination of ions in fluids
09/23/1992EP0504697A1 Reagent container closure
09/23/1992CN1064749A Acid base titration method for content measuring of fatty acid
09/22/1992WO1992016659A1 Element and method for nucleic acid amplification and detection using adhered probes
09/22/1992US5149661 Mixing sample solution with particulate reagent to form suspension and modify to yield concentration of detectable substance correlating to concentration of original analyte
09/22/1992US5149659 Passing sample through packed column, reacting, forming solid fluoride and measuring the concentration of formed oxygen or carbon dioxide
09/22/1992US5149622 Solid phase analytical device and method for using same
09/22/1992CA2083173A1 Element and method for nucleic acid amplification and detection using adhered probes
09/17/1992WO1992015880A1 Process for manufacturing a self-supporting material for a test field
09/17/1992WO1992015879A1 Test carrier for determining an analyte in whole blood
09/17/1992WO1992015876A1 Oxygen sensor
09/17/1992WO1992015863A1 Improved test strip
09/17/1992WO1992015701A1 Improved method and reagent for determination of an analyte
09/17/1992WO1992011524A3 Reagent and methods for calcium determination
09/17/1992DE4107771A1 Colorimetric detection unit for testing gaseous or liq. amounts - has porous carrier contg. colour indicator on which reagent soln. can be applied producing colour reaction with housing designed as glass tube making carrier visible
09/16/1992EP0502843A1 Process and apparatus for the detection of sulfur
09/16/1992EP0248037B1 Blood serum test strip
09/15/1992US5146692 On-line moisture control method for powdered or granular materials and a system for performing the method
09/15/1992CA1307445C Measurement of alkali ion concentration
09/09/1992EP0502121A1 Process and apparatus for simultaneous measurement of sulfur and non-sulfur containing compounds
09/09/1992EP0501955A1 Selective detection of vapors