Patents
Sitemap › G01 - Measuring; Testing › G01N - Investigating or analysing materials by determining their chemical or physical properties › G01N 27 - Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means
Patents for G01N 27 - Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means (109,839)
11/1991
11/19/1991US5066466 Apparatus for indicating the presence of toxic substances in air that is supplied to a personnel-occupied space
11/19/1991US5066383 Reference electrode, ion sensor and method of manufacturing the same
11/19/1991US5066382 Thermal control for capillary electrophoresis apparatus
11/19/1991US5066377 Electrophoresis apparatus, heating and cooling blocks at opposite ends of a thermoconductive plate, heat exchanging fluid flow through bores in the blocks
11/19/1991US5066376 Electrophoresis media comprising active methylene groups
11/19/1991US5066373 Hydrogen electrode, double junction reference electrode with quaternary ammonium salt in outer shell
11/19/1991US5066372 Detecting Analytes In Blood Or Serum By Redox Reactions
11/19/1991US5065635 Apparatus and method for inspecting an item having grooves machined therein
11/19/1991US5065625 Humidity meter
11/19/1991CA2079800A1 Gas chromatograph-mass spectrometer (gc/ms) system for quantitative analysis of reactive chemical compounds
11/19/1991CA1292298C Gas sensor and method of manufacturing the same
11/19/1991CA1292280C Photoresponsive electrode for determination of redox potential
11/19/1991CA1292222C Separation and purification of pigment suspensions and suspensions of pigment intermediates by a membrane separation process
11/18/1991CA2017205A1 Apparatus for particle determination in liquid metals
11/17/1991CA2042641A1 Slab electrophoresis system with improved sample wells and cooling mechanism
11/15/1991WO1991018296A1 Method and apparatus for bleaching textile webs
11/15/1991CA2083036A1 Method and apparatus for bleaching textile webs
11/14/1991WO1991017434A1 Process for controlling the proportion of air in a hot exhaust-gas stream, and oxygen probe for use in the process
11/14/1991WO1991017433A1 Electrochemical determination of oxygen concentration
11/14/1991WO1991017431A1 Electrochemical measuring electrode
11/14/1991WO1991017429A1 Installation for the study or transformation of sample surfaces in a vacuum or controlled atmosphere
11/14/1991WO1991017259A1 Substrate regenerating biosensor
11/14/1991WO1991016966A1 Microfluidic structure and process for its manufacture
11/14/1991DE4114611A1 Microporous membrane element for multiple filtration unit - for slot or dot blotting analyses is compacted in seal area to avoid cross-contamination
11/14/1991DE4014572A1 Medical monitoring sensor for bleeding under bandage - responds to change in bandaging material i.e. dampness and/or colour to release alarm via evaluating circuit
11/14/1991DE4014395A1 Capacitance-voltage-characteristic measuring appts. - integrates capacitive element output current during periodic voltage application
11/13/1991EP0456517A2 Time-of-flight mass spectrometer
11/13/1991EP0456516A2 Ion buncher
11/13/1991EP0456154A2 Improved pH and concentration meter
11/13/1991EP0455971A1 Capillary zone electrophoresis cassette
11/13/1991EP0455968A2 Detection system for capillary electrophoresis
11/13/1991EP0455955A1 Transverse forced gas cooling for capillary zone electrophoresis
11/13/1991EP0455841A1 Method for the production of gel filled capillaries for capillary gel electrophoresis
11/13/1991EP0444022A4 Capacitive coupled moisture sensor
11/13/1991EP0417140A4 Method and apparatus for conducting electrochemiluminescence measurements
11/13/1991CN2088691U Portable ferromagnetic abrasive particle measuring instrument
11/13/1991CN1056162A In situ monitoring technique and apparatus for chemical/mechanical planarization endpoint detection
11/13/1991CN1014743B Plastic container inspection process and apparatus
11/12/1991US5065140 Early warning reactive gas detection system
11/12/1991US5065106 Apparatus and method for analyzing dielectric properties using a single surface electrode and force monitoring and adjusting
11/12/1991US5065103 Scanning capacitance - voltage microscopy
11/12/1991US5064693 Impregnating porous surface for gas diffusion
11/12/1991US5064620 Ferrous u-shaped tube
11/12/1991US5064618 Sensor arrangements
11/12/1991US5064519 Neutral and positively charged dyes for electrophoresis sample loading solutions
11/12/1991US5064516 Measuring gas levels
11/12/1991CA1291956C Membrane and a sensor and analytical method based upon the improved membrane
11/12/1991CA1291906C Spin coating of electrolytes
11/09/1991WO1991017423A1 Method and apparatus for monitoring corrosion and reporting same according to accepted industry standards
11/07/1991DE4014109A1 Elekrochemische bestimmung der sauerstoffkonzentration Electrochemical determination of the oxygen concentration
11/06/1991WO1991017437A1 Apparatus and method for assessing the geophysical characteristics of a core sample
11/06/1991EP0455508A1 Sensor devices
11/06/1991EP0455455A2 In situ monitoring technique and apparatus for chemical/mechanical planarization endpoint detection
11/06/1991EP0455072A1 Silver chloride reference electrode
11/06/1991EP0454928A1 Press and its use in immunofixation electrophoresis
11/06/1991EP0454763A1 Polysaccharide resolving gels and gel systems for stacking electrophoresis.
11/06/1991EP0168477B1 Use of a visco elastic surfactant composition for controlling the overall heat transfer coefficient of a heat exchange fluid
11/06/1991CN1055999A Method and arrangement for diagnostics of friction systems of motors
11/06/1991CN1014638B Method for identifying corn variety and purity
11/06/1991CN1014635B Detector and analyzer for rapid-determing of multi-dimensional characteristics and vectors of blood
11/06/1991CA2082046A1 Apparatus and method for assessing the geophysical characteristics of a core sample
11/06/1991CA2041786A1 Method for the production of gel filled capillaries for capillary gel electrophoresis
11/05/1991US5062942 Fluorescence detection type electrophoresis apparatus
11/05/1991US5062307 Strain detector
11/05/1991CA1291795C Blood analyzer
11/05/1991CA1291788C Sulfur tolerant composite cermet electrodes for solid oxide electrochemical cells
11/03/1991WO1991017432A1 Solid state ion sensor with polyurethane membrane
11/03/1991WO1991017430A1 Solid state ion sensor with silicone membrane
11/03/1991CA2081915A1 Solid state ion sensor with silicone membrane
11/03/1991CA2081914A1 Solid state ion sensor with polyurethane membrane
11/02/1991CA2034151A1 Agarose plate press
10/1991
10/31/1991WO1991016638A1 Method and apparatus for photoinductive imaging
10/31/1991WO1991016624A1 Process for determining gas concentrations and gas sensor with solid electrolyte
10/31/1991WO1991016623A1 Measurement probe for the amperometric determination of gases and/or non-ionic compounds in a measurement medium
10/31/1991WO1991016622A1 Gel electrophoresis/electro-blot apparatus
10/31/1991WO1991016614A1 Coolant corrosiveness indicator
10/31/1991WO1991016613A1 Reaction control and solids characterization device
10/30/1991EP0454286A2 Rectangular capillaries for capillary electrophoresis
10/30/1991EP0454232A1 Method of determining the hybrid quality of seeds
10/30/1991EP0454033A1 Sterile loop calibration system
10/30/1991EP0453808A1 Apparatus for analysing gas mixtures by means of mass spectrometry
10/30/1991EP0328579B1 High resolution electrophoretic gel and method for separating serum proteins
10/30/1991CN2087784U New type sensor for dissolved oxygen detector
10/30/1991CN1014571B Method for making zinc metastannate gas
10/29/1991US5061976 Fet electrode with carbon gate
10/29/1991US5061638 Water treatment process control
10/29/1991US5061631 Method, apparatus and solution for calibration of partial pressure value
10/29/1991US5061447 Catalytic combustion type co gas sensor
10/29/1991US5061364 Diagnostic filter for detecting conductive and semiconductive particles in a fluid stream
10/29/1991US5061361 Capillary zone electrophoresis cell system
10/29/1991US5061355 Preparation of gel-filled separation columns
10/29/1991US5061336 Coating walls with adhesion promoter, filling with gelable material, adjustable heating, gelation yield, void-free gel
10/29/1991US5061067 Electrophoresis pattern analyzer for genetic material
10/29/1991US5060860 Paint conductivity measurement system
10/29/1991US5060619 Electrostatic capacity type fuel concentration monitoring unit with temperature dependent fluctuation compensating feature
10/29/1991US5060529 Apparatus for detecting gaseous constituents within the inner space of packages
10/28/1991CA2058452A1 Process for controlling the proportion of air in a hot exhaust-gas stream, and oxygen probe for use in the process
10/27/1991CA2039035A1 Sterile loop calibration system
10/23/1991EP0453283A1 An integral interstitial fluid sensor
10/23/1991EP0453190A2 Method of analysing for carbon monoxide in a gas
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