Class / Patent application number | Description | Number of patent applications / Date published |
702029000 | Particle size determination | 6 |
20120173165 | SYSTEMS AND METHODS FOR PARTICLE SIZE DETERMINATION AND CONTROL IN A FLUIDIZED BED REACTOR FOR USE WITH THERMALLY DECOMPOSABLE SILICON-CONTAINING GAS - Systems and methods are provided for determining the size of particles within a fluidized bed reactor for use with thermally decomposable silicon-containing gas. The pressure of gas adjacent a gas inlet and adjacent a gas outlet of the reactor are measured with pressure sensors. An algorithm is applied to at least one of the pressure measurements to determine the size of particles within the reactor. The determined size of the particles can be used to control the operation of the reactor. | 07-05-2012 |
20130024134 | MOLECULAR SEPARATORS, CONCENTRATORS, AND DETECTORS PREPARATORY TO SENSOR OPERATION, AND METHODS OF MINIMIZING FALSE POSITIVES IN SENSOR OPERATIONS - As an elegant solution for minimizing false positives returned by a sensor tuned to an analyte molecule, filters constructed of carbon nanotubes are positioned relative to the sensor to limit the sensor to being exposed to molecules within a defined range of sizes, with too-big molecules being excluded from reaching the sensor by one filter, and too-small molecules being pumped out through another, finer filter before the sensor is operated. | 01-24-2013 |
20130116935 | METHOD AND SYSTEM FOR DISPERSION MEASUREMENTS - A method for determining a size or shape related parameter of an effective observation volume for an observation technique for particles undergoing at least partially stochastic motion in a dispersion is based on a time-series of observations. The method involves determining one or more time-dependent characteristics of the dispersion or its particles based on the time-series of observations, determining at least one stochastic motion-related parameter representative for the at least partially stochastic motion of at least one particle in the dispersion, and determining a size or shape related parameter of the effective observation volume by modeling of the at least partially stochastic motion of the particle movement in the dispersion, the modeling taking into account the at least one stochastic motion-related parameter and the determined one or more characteristics. | 05-09-2013 |
20130191037 | CHARACTERIZATION OF PARTICULATES USING ELECTRON MICROSCOPY AND IMAGE PROCESSING METHODS - It is an object of the invention to provide methods and compositions for characterizing particles in a size range from about 1 μm to about 10 nm, and preferably 5 μm to about 5 nm. Using transmission electron microscopy and digital image processing techniques, the methods of the present invention can provide detailed information on the aggregation state of, for example, proteinaceous samples such as antibody-based pharmaceutical compositions. The methods can further permit assessment of the effect of storage, use, processing, and shipping conditions in such proteinaceous samples. | 07-25-2013 |
20130218480 | Automation of Ingredient-Specific Particle Sizing Employing Raman Chemical Imaging - A system and method for determining at least one geometric property of a particle in a sample. A sample is irradiated to thereby generate Raman scattered photons. These photons are collected to generate a Raman chemical image. A first threshold is applied wherein the first threshold is such that all particles in the sample are detected. A particle in the sample is selected and a second threshold is applied so that at least one geometric property of the selected particle can be determined. At least one spectrum representative of the selected particle is analyzed to determine whether or not it is a particle of interest. The step of determining a second threshold may be iterative and automated via software so that candidate second thresholds are applied until a satisfactory result is achieved. | 08-22-2013 |
20150081228 | METHOD AND APPARATUS FOR MEASURING CHARGE AND SIZE OF SINGLE OBJECTS IN A FLUID - In a method for determining charge and/or size of an object ( | 03-19-2015 |