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)
05/1984
05/29/1984US4451563 Method for increasing the sensitivity of assays
05/29/1984CA1168062A1 Method and apparatus for heat flow measurement
05/24/1984WO1984002000A1 Chemical droplet reactor
05/16/1984EP0108526A2 Method and reagent for the determination of peroxide and precursors thereof
05/15/1984US4448548 Steam sterilization indicator
05/09/1984EP0107769A1 Liquid and method for checking a chromium coating on an aluminium surface
05/08/1984US4447543 Reaction with mercuricoxide and measurement of mercury produced
05/08/1984US4447542 Analytical test composition, device and method for the determination of peroxidatively active substances
05/02/1984EP0107341A2 Fuel gas analyzing apparatus
05/02/1984EP0107149A1 Novel naphthalene derivatives and method for preparation thereof
05/02/1984EP0107029A1 Control device and method for making same
04/1984
04/25/1984EP0106681A2 Process for cheese making
04/25/1984EP0106120A1 Process for the quantitative determination of the nitrogen content of a solid sample, and a device, especially for use in this process
04/25/1984EP0105891A1 Analysis of kerogens
04/24/1984CA1166132A1 Color fixed chromogenic analytical element
04/18/1984EP0105870A2 Measurement device for determining the carbon dioxide content of a sample
04/18/1984EP0105489A2 Method and device for use in chemical reactions and analyses
04/18/1984EP0105420A1 Steam sterilization indicator
04/17/1984CA1165672A1 Detector for detecting air components
04/11/1984EP0105211A1 Cuvette for determining chemical compositions in liquids
03/1984
03/28/1984EP0103915A1 Improved visual reading of colour tests
03/28/1984EP0103901A2 Multilayer analytical element
03/27/1984US4439527 4-aminoantipyrine, buffers
03/21/1984EP0103288A1 Multilayer analytical element
03/20/1984US4438206 Reacting with an acetylacetone to form a fluorescent compound
03/20/1984US4438067 Test strips for analyzing dissolved substances
03/14/1984EP0102661A1 A paper for RNA blotting; a process for making same; applications of the paper
03/13/1984US4436819 Quantifying, with color change upon reaction
03/07/1984EP0101945A1 Multilayer analytical element
03/07/1984EP0101799A1 High glucose-determining analytical element
02/1984
02/28/1984US4434235 Method and apparatus for detecting nitrite ions in fluids
02/28/1984US4433922 Calorimeter
02/21/1984US4432939 Ammonia gas analyzer
02/21/1984US4432656 Process for monitoring the history of temperature versus time of deep-frozen product, indicator for applying said process and utilization of said process
02/14/1984US4431628 Natural dye indicator for dental plaque
02/14/1984US4430885 Apparatus for determining the burn rate of uncured propellant
02/14/1984CA1162075A1 Quantitative analysis of an analyte in a liquid using a test element having a fibrous spreading layer
02/07/1984US4430436 Qualitative analysis; immunoassay; heat-resistant polymer particles forming a three-dimensignal lattice
01/1984
01/31/1984US4429048 Storage stability
01/31/1984US4428907 Insecticides, nerve gas, ethanol
01/31/1984CA1161346A1 Ion specific analytical element
01/24/1984US4427884 Method for detecting and quantifying carbon isotopes
01/24/1984US4427772 Apparatus having automatic calibration for determining hydrogen peroxide concentration
01/24/1984US4427770 Blood glucose
01/24/1984US4427632 Light transmissive support, reagent layer, developing layer formed by coating reagent layer with macromolecular polymer
01/24/1984CA1160863A1 Multi-analyte test device
01/18/1984EP0098716A1 Calorimeters for and methods of monitoring calorific values of gases
01/17/1984US4426451 Multi-zoned reaction vessel having pressure-actuatable control means between zones
01/17/1984CA1160683A1 Technique for monitoring so.sub.3, h.sub.2so.sub.4 in exhaust gases containing so.sub.2
01/11/1984EP0097952A2 Multilayer analytical element
01/11/1984EP0097904A1 Method and device for rapid diagnosis of dental caries
01/03/1984US4424277 Sulfuric acid, diether of biphenol, colorimetric analysis
01/03/1984CA1159755A2 Analytical elements for the analysis of liquids under high ph conditions
12/1983
12/28/1983EP0096840A1 Process and device for measuring ionic strength
12/20/1983US4421859 Assessment of the state of change of keratin fibers
12/20/1983US4421719 Colorimetric indicators
12/13/1983US4420567 Absorption, silver nitrate
12/08/1983WO1983004310A1 Method of analysing carbon and carbon compounds
11/1983
11/29/1983US4418037 Pyrogallol derivative storage stabilizer
11/29/1983CA1157751A1 Colorimetric dosimeter
11/29/1983CA1157750A1 Method and device for the determination of the organic carbon content of a sample
11/23/1983EP0094789A1 Novel method for determination of 5-aminosalicylic acid
11/22/1983US4416997 Pyridine-free Karl Fischer reagent useful in determining water
11/22/1983CA1157355A1 Continuous monitor of the exposure to industrial gases and vapour contaminants
11/15/1983US4415278 Method for operating a gas analyzing system and apparatus utilizing the same
11/01/1983US4412973 Autonomous simultaneous analysis apparatus and a method of using it
10/1983
10/27/1983WO1983003676A1 Analysis of kerogens
10/26/1983EP0092101A1 Dosimeter plaquette for reactive gases for use in the monitoring of industrial safety in a hazardous environment
10/25/1983US4411989 Infrared analysis
10/25/1983US4411867 Measurement of spectral absorption of mercury vapor; high speed
10/18/1983US4410493 Sebacid acid, polypropylene envelope
10/12/1983EP0091046A2 Measuring device for physical values
10/11/1983US4409336 Method of analysis for determining very low sulfur levels in volatilizable samples
10/05/1983EP0090388A1 Chromophore peptides, process for their preparation, agents containing them and their use in the detection of DD-carboxy peptidases
10/05/1983EP0090082A1 Determination of grain refiners in phosphate conversion coating baths
10/04/1983US4407960 Reaction product of leuco dye and acid
09/1983
09/20/1983US4405711 Analysis element for immunochemical measurement of trace components and method for immunochemical measurement using the same
09/14/1983EP0088636A2 Quantitative analysis apparatus and method
09/13/1983US4404461 Method and apparatus for controlling an analytical furnace
09/13/1983US4404287 Method and apparatus for determining chemical species
09/07/1983EP0087639A2 Water soluble fluors
09/06/1983CA1153254A1 Method and devices for detecting defrosting processes, even temporary
08/1983
08/31/1983EP0086994A1 Karl Fischer reagent and method for the determination of water using this reagent
08/31/1983EP0086821A1 A method for increasing the sensitivity of assays.
08/31/1983EP0086773A1 Disposable article with non-leachable saline water indicator
08/30/1983US4401763 Analytical method for the determination of nitrogen, carbon, hydrogen and sulfur or chlorine and apparatus therefor
08/30/1983CA1152872A1 Quantitative determination of the surface charge of serum lipoproteins
08/24/1983EP0086581A1 Gas analyzing apparatus and method
08/23/1983US4399686 For anaesthetics, substrate coated with silicone glycol copolymer
08/17/1983EP0085678A1 Indicator.
08/10/1983EP0085320A2 Potassium reagent and process for the determination of potassium ions
08/09/1983US4398183 Detecting method and apparatus for permanent wave hairdressing
08/09/1983US4397957 Potenitometric; ion selective electrode
08/02/1983US4396299 Method and apparatus for determining total energy flow in a gas line
07/1983
07/26/1983US4395494 Reagent and method for the determination of hydrazine
07/26/1983CA1150609A1 Indicator material
07/26/1983CA1150604A1 Albumin reagent
07/19/1983US4394184 Determination of grain refiners in phosphate conversion coating baths
07/05/1983US4391775 Hypochlorous acid, hypochlorite, monochloramine, dishloramine; use of hydrogen peroxide, potassium iodide
06/1983
06/21/1983CA1148454A1 Removal of interferents in analytical assays in a two phase interferent-removal zone