Patents
Patents for G01N 13 - Investigating surface or boundary effects, e.g. wetting power; Investigating diffusion effects; Analysing materials by determining surface, boundary, or diffusion effects (3,700)
05/1994
05/11/1994DE4237807A1 Verfahren zur Ermittlung einer Bewertungsziffer für den Abbau von Schaum Method for determining a severity code for the degradation of foam
04/1994
04/28/1994DE4235415A1 Arrangement for automatic measurement of surface tension - of solns over concentration range using temp-controlled measuring vessel and soln dilution system
04/26/1994US5306733 Low density porous crosslinked polymeric materials
04/26/1994US5305632 Method and apparatus for measuring interfacial tension of a liquid using the capillary rise method
04/12/1994US5303030 Method and apparatus for monitoring and measuring the surface tension of a fluid using fiber optics
04/12/1994US5302515 For measurement of effect of concentration gradients of diffusible chemicals upon the directional response of biological cells
04/12/1994US5301539 Method for improving enhanced recovery of oil using surfactant-stabilized foams
04/05/1994US5300142 Compositions and process for highlighting surface defects in, and prevention of adhesion of hot metal to, metal surfaces
03/1994
03/30/1994EP0588866A1 Device for determining the foaming properties of an at least partially soluble material.
03/24/1994DE4328456A1 Specimen collector for receiving and transferring liquid specimens - contains closed holding container cells with connecting lines and mechanical selection arrangement
03/22/1994US5296139 Diffusion cell with filter screen
03/17/1994WO1994005998A1 An optical osmometer for chemical detection
03/16/1994EP0586698A1 Method and device for evaluating quantities of adsorbed impurities
03/15/1994US5293773 Method for determining the wetting preference of particulate solids in a multiphase liquid system
03/09/1994EP0586001A1 Process for generating, by way of experimental tests, the capillary pressure curve in a porous medium
03/03/1994WO1994004617A1 Highlighting surface defects in metal surfaces
03/02/1994CN2158083Y Permeability detecting meter
02/1994
02/23/1994EP0583894A2 Method of immobilizing and orienting molecules by use of metal chelating moieties to facilitate atomic force microscopy of proteins and molecular scale manipulation
02/08/1994US5284753 Holding cell suspension by combination of surface tension, capillary actiona nd hydrophobic forces
01/1994
01/30/1994CA2101476A1 Method of immobilizing and orienting molecules by use of metal chelating moieties to facilitate atomic force microscopy of proteins and molecular scale manipulation
01/27/1994DE4323449A1 Sensor for determining mass of fluid film at boundary surface, e.g. in IC engine - has stimulated piezoelectric dual-mass vibrator protruding into boundary layer and detects change in resonant frequency
01/26/1994EP0580004A1 Method and apparatus for detecting the position of liquid-liquid interfaces
01/20/1994DE4228942C1 Fluid surface tension measuring system - uses detection and evaluation of gas bubbles at liquid surface caused by introduced gas
01/18/1994US5279793 Optical osmometer for chemical detection
12/1993
12/22/1993EP0418237B1 A method for continuously and automatically making analyses and a device for performing the method
12/14/1993US5269176 Method for determining liquid/liquid interfacial tension and dynamic interfacial tension reduction
12/07/1993US5268733 Method and apparatus for measuring contact angles of liquid droplets on substrate surfaces
11/1993
11/17/1993CN2146710Y Soil permeability testing device
10/1993
10/20/1993EP0565971A2 Mechanism for positioning a carrier
10/19/1993CA1323216C Captive bubble surface tensiometer
09/1993
09/30/1993WO1993019343A1 Micromechanical sensor
09/01/1993CN1075800A Method and equipment for checking leaching resistance of material
08/1993
08/18/1993EP0555906A1 Glass substrate for magnetic recording medium
08/18/1993EP0526559A4 Reaction control and solids characterization device
08/05/1993WO1993015388A1 Fluid shear stress transducer
07/1993
07/28/1993EP0552327A1 Surfactant selection method for the extraction of chemical pollutants from soils
06/1993
06/22/1993US5220826 Method and apparatus for measuring materials floating on bodies of water
06/16/1993EP0546412A2 Method and apparatus for testing leach resistance of a material
06/15/1993US5218841 Apparatus and methods for determining liquid/liquid interfacial tension and dynamic interfacial tension reduction
06/03/1993DE4234507A1 Controlling sludge removal from water - by using capillary suction time measurements to control amount of polyelectrolyte coagulant to be added
05/1993
05/26/1993CN2134645Y Fm pressure meter
05/25/1993CA1318377C Sampling processes for use in the controlled addition of conditioning material to suspensions, sludges and the like and apparatus therefor
05/18/1993US5211055 Apparatus for the selective determination of the concentration of a substance dissolved in a solvent
05/13/1993WO1993009269A1 Process for degreasing and cleaning metal surfaces and device for implementing it
05/13/1993DE4136442A1 Verfahren zum entfetten und reinigen metallischer oberflaechen und vorrichtung zu dessen durchfuehrung Method for degreasing and cleaning of metal surfaces and device for its implementation
05/13/1993CA2123099A1 Process for degreasing and cleaning metal surfaces
05/05/1993CN2132166Y Interface variable dilivery device
04/1993
04/15/1993WO1993007464A1 Surface energy and surface charge meter
04/07/1993EP0535517A2 Method of measuring surface energy of a web
04/01/1993WO1993006453A1 Surface tension sensor
03/1993
03/30/1993US5198109 Diffusion cell
03/02/1993US5190086 Medicament supply apparatus for use in elution testing device
02/1993
02/25/1993DE4127544A1 In-vitro investigating of metabolic situation in blood specimen - performing visual inspection of specimen diluted in isotonic solution w.r.t. standard
02/23/1993US5189377 Method and apparatus for co-ordinate measuring using a capacitance probe
02/14/1993WO1993004356A1 Surfactant selection method for the extraction of chemical pollutants from soils
02/14/1993CA2089639A1 Surfactant selection method for the extraction of chemical pollutants from soils
02/10/1993EP0526559A1 Reaction control and solids characterization device.
02/09/1993US5184525 Mechanism for positioning a carrier
02/02/1993US5183760 Apparatus for in vitro determination of substances across membranes, biological tissues, or cell cultures
01/1993
01/13/1993EP0522089A1 Waterproof focs
01/12/1993US5178004 Reflection type skin friction meter
01/05/1993CA1312219C Process of controlling foam which limits acids mist during electrowinning
12/1992
12/30/1992EP0520850A1 Cell for investigating reaction occurring at a material-product interface
12/29/1992US5174508 Knife-edge impellers to pulverize, circulate solvent; automated; drug analysis
12/23/1992WO1992022799A1 Device for determining the foaming properties of an at least partially soluble material
12/10/1992WO1992021966A1 Method and device for measuring quantities of impurities in special gas
12/10/1992WO1992021956A1 Method and device for evaluating quantities of adsorbed impurities
12/10/1992WO1992021954A1 Method of evaluating segregation at solid-liquid interface and segregation apparatus therefor
12/02/1992EP0516610A1 Equipment for the determination of the flux of matter
11/1992
11/26/1992WO1992016824A3 Process and apparatus for physical-chemical analysis based on the control of interface tensions
11/10/1992WO1992019950A1 Electropneumatic apparatus for sampling rapidly predetermined volumes of a mixture, to be connected to a computer
10/1992
10/29/1992DE4113721A1 Investigation coalescence processes of polygraphic materials in 2 or 3 phase systems - involves drop investigation method and digital image measurement of drop removal phase
10/22/1992DE4112417A1 Verfahren zum waschen und vorrichtung zum durchfuehren des verfahrens A method for washing and device for carrying out the method
10/20/1992US5156041 Method and apparatus for determining permeation behavior of foreign molecules through solids
10/17/1992WO1992018680A1 Process and device for washing
10/17/1992CA2108679A1 Process and device for washing
10/01/1992WO1992016824A2 Process and apparatus for physical-chemical analysis based on the control of interface tensions
09/1992
09/30/1992CN2117608U Intelligent rock porosimeter
09/29/1992US5150607 Spinning drop tensioextensiometer
09/16/1992EP0503037A1 Capacitance probes.
09/01/1992US5143744 Dynamic contact angle measurement system
09/01/1992US5142920 Dissolution cell and apparatus for determining solids-dissolving kinetics
08/1992
08/26/1992CN1063939A Measurement and evaluation method for dispersivity of carbon black in plastics
08/25/1992US5141873 Process for the selective determination of the concentration of a substance dissolved in a solvent by osmotic pressure measurement
08/13/1992DE4102990A1 Measuring edge angle of liquid drops on specimen with smooth or structured surface - by moving reflection surface section along boundary between drop and material and evaluating beam geometry
08/11/1992US5137352 Method and apparatus for determining the contact angle of liquid droplets on curved substrate surfaces
08/04/1992CA1305872C Micromechanical atomic force sensor head
07/1992
07/29/1992EP0489842A4 Osmotic method for determining the molecular weight of solutes in solution with a solvent
07/07/1992US5127278 Apparatus for dissolution testing of solid medications
06/1992
06/17/1992EP0489842A1 Osmotic method for determining the molecular weight of solutes in solution with a solvent
06/17/1992CN2107642U Water closed measuring bucket
06/16/1992US5122663 Compact, integrated electron beam imaging system
06/16/1992US5121636 Surface energy meter
05/1992
05/26/1992US5115677 Methods and devices for determining the contact angle of a drop of liquid placed on a substrate
05/21/1992DE4036344A1 Measuring foam formation and dissociation characteristics of liquids - using impact plate and tulip-shaped element in liquid circuit to achieve max. homogenisation and required temp.
05/20/1992CN2105063U Permeation rate stair tester
05/20/1992CN2105062U Tension index detector
05/13/1992EP0485202A2 Use of STM-like system to measure node voltage on integrated circuits
05/05/1992US5109714 Method and means for dynamic measurement of rates of adsorption from solutions
04/1992
04/28/1992US5109442 Hydrophobic polymer chains attached to surface to perferentially repel water not analyte
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