Patents
Sitemap › G01 - Measuring; Testing › G01N - Investigating or analysing materials by determining their chemical or physical properties › 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
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)
11/1999
11/24/1999CN1046756C Process for detecting marked mineral oils and new azo dyes
11/23/1999US5990199 Water-based dispersion of a phenol-formaldehyde resin, a colorant and an amine-terminated polyamide crosslinker; thermotropic; sensitive to time, temperature, humidity, pressure and chemicals; sterilization; medical equipment;
11/23/1999US5989852 Indicator systems for determination of sterilization
11/23/1999US5989847 Compositions and methods for neutralizing and coloring solutions
11/23/1999US5989840 Immunoassay chamber with immobilized antigen; support with indicator for presence of ammonia constituent; colorimetric analysis
11/18/1999WO1999058947A2 Modulation of molecular interaction sites on rna and other biomolecules
11/18/1999WO1999058517A2 Isocyanate derivatizing agent and methods of production and use
11/18/1999WO1999049319A8 Micro system and method for field manipulation of particles
11/18/1999CA2331539A1 Isocyanate derivatizing agent and methods of production and use
11/17/1999EP0779983B1 Optically readable strip for analyte detection having on-strip orientation index
11/17/1999EP0665896B1 Stable reagent for ferric ion complex indicator systems
11/11/1999WO1999056539A1 Apparatus, reagents and methods useful in determining disinfectant effective concentrations of hypochlorite ions
11/11/1999WO1999047905A3 Handheld sensing apparatus
11/10/1999CN2348388Y Hydrogen arsenide generating device
11/10/1999CN2348387Y Family health test card
11/10/1999CN2348386Y 滴定管 Buret
11/10/1999CN1234503A Composite for quickly detecting pesticide of organic phosphorus and amino formate and detection method thereof
11/09/1999US5981746 Luminescence indicator
11/09/1999US5981283 Method of tagging hydrocarbon fuels
11/09/1999US5981206 Storage stable diagnostic element of acidic buffer, nonhygroscopic alkaline earth metal salt of an aryl phosphate ester, and a diazonium or tetrazolium salt
11/09/1999US5980832 Ultratrace detector for hand-held gas chromatography
11/09/1999CA2133765C Cyclic-substituted unsymmetrical cyanine dyes
11/04/1999WO1999056109A1 Article and method for optical and spectroscopic measurement of a dissolved gas
11/04/1999WO1999055461A1 Redrawn capillary imaging reservoir
11/04/1999WO1999055460A1 Redrawn capillary imaging reservoir
11/04/1999CA2327664A1 Redrawn capillary imaging reservoir
11/03/1999CN2347161Y Chemical oxygen consumption (COD) on-line fast detector
11/03/1999CN1046163C Water content detecting test paper for avaition fuel and its mfg. method
11/02/1999US5976890 Reduction furnace process for quantitative deuterium determination in hydrogen containing samples
11/02/1999US5976889 Gas analyzer and method for detecting NOx
11/02/1999US5976881 Device and method for detecting chemical breakthrough of protective clothing
11/02/1999US5976823 Acidic composition of indicator which interacts with free available chlorine, a buffer, nonionic and/or anionic surfactants, peroxidase and/or iodide ion, a polymer, water; for accurate and rapid analysis of hemodialysis rinse water
11/02/1999US5976467 Airborne contaminant indicator
11/02/1999US5976336 Microfluidic devices incorporating improved channel geometries
10/1999
10/27/1999EP0951644A1 Methods and devices for detecting spoilage in food products
10/27/1999EP0951348A1 Novel polymerized crystalline colloidal array sensors
10/27/1999CN2345981Y Tool for testing lubricating oil of internal-combustion engine
10/27/1999CN1233079A Process for production of analytical devices
10/27/1999CN1046035C Test strip locating device for test strip analysis system
10/26/1999US5973177 Heating chemical grade silicon under controlled conditions with a carbon source such that a reaction product of carbon monoxide and carbon dioxide are formed, which are predictive of the metalloid's performance in the direct process
10/26/1999US5972715 Improving accuracy by using reflectance spectrophotometry to determine temperature of thermochromic liquid crystal close to solid test material and correcting the results of the assay for deviations in temperature
10/26/1999US5972713 Method for determining total chlorine amount and a kit for determining total chlorine amount
10/26/1999US5972711 Increasing rate of chemical reactions while controlling high temperature by adding reagent to heated, larger portion of another reagent at atmospheric pressure; irradiating mixture to avoid thermal dilution and maintain temperature
10/26/1999US5972710 Microfabricated diffusion-based chemical sensor
10/26/1999US5972187 Intersecting capillary channels arranged so that a sample fluid being transported along the first channel towards the second channel is mixed at intersection and bias in the fluid is dissipated
10/26/1999CA2096587C Method of detecting isocyanates
10/21/1999WO1999053311A1 Comparator for time-temperature indicator
10/21/1999WO1999053121A1 Automated chemical process control system
10/21/1999DE19817531A1 Sequential synthesis or analysis involving multiple positions on flat substrate
10/20/1999EP0950897A1 Method for stabilizing liquid reagent and reagent unit
10/19/1999US5968836 Strip for one step measurement of concentration of analyte in sample by visible or mechanical evaluation; includes test pad of anisotropic membrane impregnated with color-forming reagent system and porous medium for sample transport to pad
10/19/1999US5968835 Method for estimating nitric acid and nitrous acid ions
10/19/1999CA2049237C 2-thiazolyl tetrazolium salt indicators
10/14/1999WO1999051586A1 Reagent for singlet oxygen determination
10/14/1999DE19815684A1 Verfahren zur Herstellung von analytischen Hilfsmitteln A process for producing analytical aids
10/14/1999CA2326561A1 Reagent for singlet oxygen determination
10/13/1999EP0949500A1 Reaction cell system
10/13/1999EP0949002A2 Method for manufacturing analytical elements
10/13/1999EP0858594A4 Optical carbon dioxide sensor, and associated methods of manufacture and use
10/12/1999US5965642 Oxygen pressure-sensing dye dissolved or dispersed in a polymeric binder of homo or copolymers of fluorinated alkyl esters of methacrylic acid; for luminescence oxygen sensing applications; low photodegradation, reduced induction effect
10/12/1999US5965450 Irradiation-distillation apparatus and method for measuring cyanide species
10/12/1999US5965061 Method of increasing the shelf life of a colorimetric device for indicating carbon dioxide and package containing such device
10/12/1999US5964994 Composition and method for manufacturing ion selective electrode sensors
10/07/1999WO1999050444A1 Reagent compositions for assaying electrolytes
10/06/1999EP0890094A4 Microfabricated diffusion-based chemical sensor
10/06/1999EP0774160B1 Mass spectrometer for macromolecules with cryogenic particle detectors
10/06/1999CN1230904A Cartridge and method for storing and dispensing of reagents
10/05/1999US5962333 Medical diagnostic test strip with desiccant
10/05/1999US5962330 Method for detecting acid- and base-extractable markers
10/05/1999US5962328 Nontoxic solvent, fewer side reactions; used in accurately determining water content of ketones
10/05/1999CA2042416C Method for the determination of an ion with increased sensitivity, use of substances which are suitable for this and a corresponding agent
09/1999
09/30/1999WO1999049319A1 Micro system and method for field manipulation of particles
09/30/1999WO1999049310A1 Microwave apparatus and method for analysis of asphalt-aggregate compositions
09/30/1999CA2324928A1 Microwave apparatus and method for analysis of asphalt-aggregate compositions
09/29/1999EP0784671A4 Flavored malt beverages
09/29/1999CN2341150Y Sulfide quick monitoring and analyzing instrument
09/28/1999US5958788 Luminol tagged polymers for treatment of industrial systems
09/28/1999US5958782 Cation-sensing composite structure and compounds for use therein
09/28/1999US5958203 Microfluidic system comprising substrate having two intersecting channels of different depths and an electroosmotic fluid direction system
09/23/1999WO1999047917A1 In situ copper (i) determination
09/23/1999WO1999047905A2 Handheld sensing apparatus
09/23/1999DE19911484A1 Temperature history display material, e.g. for food and medicaments
09/23/1999DE19755147A1 Insulating glass pane with means for early detection of a faulty edge joint
09/22/1999EP0943603A1 Stabilized aquous diazo solutions
09/22/1999EP0943093A1 Device for trapping and assaying carbon dioxide and method of use
09/21/1999US5955372 Detection of concrete deterioration by staining
09/21/1999US5955027 Reagent composition, testing piece, and assay kit
09/21/1999CA1340759C Isobenzothiazolone chromogenic thiol indicators and their derivatives
09/16/1999WO1999046045A1 Sample support
09/15/1999CN1228843A Color composition comprising agent containing pyrogallol entities, salt of iron and organic acid
09/15/1999CN1228841A Electropipettor and compensation means for electrophoretic bias
09/14/1999US5952491 Method of determining an alkali ion
09/14/1999US5952237 Quantitative analysis using at least two detectors with different concentrations of tetraphenylporphyrin in polymer matrix, irradiating and measuring absorbance spectra of detectors with different wavelengths
09/14/1999US5952236 Enzyme-based fluorescence biosensor for chemical analysis
09/14/1999US5952233 Color indicator which irreversibly forms a colored complex with free aluminum(al), and a source of al cations such that free aluminum will be present only if there is not enough carboxylate anion to prevent corrosion
09/14/1999US5952186 Reagent, method, and kit for the quantitation of oxidation-reduction phenomena in proteins and peptides
09/14/1999US5951950 A medical analyzing equipment comprising a macromolecule support with divided surface, a border to separate a detection layer containing a reagent and a water-swelling layer; diagnostic device for measuring blood and urine
09/14/1999US5951837 Using fluorophoric compositions of a 7-amino-coumarin derivative for enhancing visualization of various constituents of ion selective electrodes
09/14/1999CA2086436C Biomimetic sensor that simulates human response to airborne toxins
09/14/1999CA1340749C Preparation and use of fluorescent benzothiazole derivatives
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