Patent application number | Description | Published |
20090001802 | Extraction of Actinides From Mixtures and Ores Using Dendritic Macromolecules - A novel class of dendritic macromolecules is provided having a core, a hyperbranched structure, and a plurality of units satisfying the formula —NR | 01-01-2009 |
20100181257 | Extraction Of Anions From Solutions And Mixtures Using Hyperbranched Macromolecules - Hyperbranched macromolecules and methods are described for selectively filtering contaminants such as anions from water and non-aqueous solutions, particularly in the presence of competing contaminants including other anions. The hyperbranched macromolecules may contain alkyl, 2-hydroxyalkyl, 2-methyl-2-hydroxylalkyl, 2-hydroxy-2-phenylalkyl, and other groups, which may be hydrophilic or hydrophobic. The molecules may preferentially bind to the contaminant at interest at low pH, and release the contaminant at a pH of about 9. The molecules may be used to filter contaminants including perchlorate and nitrate even in the presence of high sulfate concentrations. | 07-22-2010 |
20120035332 | Extraction of Metals from Solid Mixtures Using Dendritic Macromolecules - Methods and facilities are provided for extracting a metal, such as an actinide from a solid, such as an ore. A novel class of dendritic macromolecules is provided for use in such extraction having a core, a hyperbranched structure, and a plurality of units satisfying the formula —NR | 02-09-2012 |
20120277573 | ULTRASOUND-ACTIVATED NANOPARTICLES AS IMAGING AGENTS AND DRUG DELIVERY VEHICLES - The invention provides nanoparticles for delivery of imaging agents, drugs, and other molecules, such as genetic material. The nanoparticles have a core structure comprising the imaging agent and/or drug, and a shell structure that allows for water solubility. The shell structure further provides a barrier with limited water permeability that protects the core. The nanoparticles can be induced to release their cargo by treatment with ultrasound. Methods of delivering drugs and imaging agents are also provided, whereby the nanoparticles are delivered to tissues of interest in a substantially inert form, then activated using ultra-sound to release the drugs or imaging agents. | 11-01-2012 |
20130270190 | Extraction Of Anions From Solutions And Mixtures Using Hyperbranched Macromolecules - Hyperbranched macromolecules and methods are described for selectively filtering contaminants such as anions from water and non-aqueous solutions, particularly in the presence of competing contaminants including other anions. The hyperbranched macromolecules may contain 2-hydroxyalkyl, 2-methyl-2-hydroxylalkyl, and other groups, which may be hydrophilic or hydrophobic. The molecules may preferentially bind to the contaminant at interest at low pH, and release the contaminant at a pH of about 9. The molecules may be used to filter contaminants including perchlorate and nitrate even in the presence of high sulfate concentrations. | 10-17-2013 |
Patent application number | Description | Published |
20080204548 | SWITCHABLE OPTICAL IMAGING SYSTEM AND RELATED 3D/2D IMAGE SWITCHABLE APPARATUS - The present invention is directed a switchable optical imaging system and a 3D/2D image switchable apparatus having high functional flexibility in a number of aspects and adaptability to various applications. The present invention is based on generating directional optical beams, transforming these optical beams and projecting transformed optical beams in a field of view to thereby divide the field of view into one or more adjustable viewing zones and to form 2-dimensional (2D) images or perspective views of a 3-dimensional (3D) image of an object or scene therein. The present invention is embodied in the switchable optical imaging system and the 3D/2D image switchable apparatus using the same system. | 08-28-2008 |
20110234770 | MULTIVIEW 3-D DISPLAY FOR SEQUENTIALLY PROJECTING IMAGES INTO WIDE FIELD OF VIEW - This invention relates to a multiview 3-dimentional display for sequentially projecting high number of 2-dimensional images of aspect angles of objects (scenes) into the wide field of view (apparatus) for producing their 3-dimentional images. The 3D image is perceived with great depth, provides comfortable conditions for its viewing without eye strain. The viewing of such 3D image also does not require using any supplementary means such as glasses or tracking devices, does not limit the position of the viewer in the field of view. This allows viewing the 3D image by many viewers simultaneously. The 3D display of the present invention can be used in computer and TV systems for transforming 2-dimentional images of aspect angles of virtual and real, static and moving 3D objects into corresponding signals and transmitting said signals for reproducing 2-dimentional by 3D display. | 09-29-2011 |
20120275004 | SWITCHABLE 3D/2D OPTICAL IMAGING SYSTEM - The present invention is directed a switchable optical imaging system and a 3D/2D image switchable apparatus having high functional flexibility in a number of aspects and adaptability to various applications. The present invention is based on generating directional optical beams, transforming these optical beams and projecting transformed optical beams in a field of view to thereby divide the field of view into one or more adjustable viewing zones and to form 2-dimensional (2D) images or perspective views of a 3-dimensional (3D) image of an object or scene therein. The present invention is embodied in the switchable optical imaging system and the 3D/2D image switchable apparatus using the same system. | 11-01-2012 |
20140028807 | OPTICAL IMAGING SYSTEM AND 3D DISPLAY APPARATUS - An optical imaging system and related 3D display apparatus for forming different perspective views of a 3-dimensional image by transforming optical beams emanating from pixels located on a display pixel surface displaying 2-dimensional patterns and projecting the transformed optical beams in a field of view is disclosed herein. The optical imaging system comprises: an array of selecting light guide elements for reducing a radiating aperture of each pixel; a lens array of converging micro-lenses; a displacement mechanism for moving the lens array relative to the array of light guide elements in a respective plane; and a sensor system for sensing the position of the lens array relative to the array of light guide elements. The lens array together with the array of light guide elements are configured to provide at least one viewing zone in the field of view and form respective perspective views in each viewing zone by projecting therein the transformed optical beams. | 01-30-2014 |
20150212333 | FRONT-PROJECTION AUTOSTEREOSCOPIC 3D DISPLAY SYSTEM - A front-projection 3D autostereoscopic display system using time-sequencing approach is configured for forming a plurality of perspective views of 3D images of an object or scene in a field of view. The 3D displays system comprises a display component, an optical scanning assembly, a sensor and a controller. The optical scanning assembly includes a first lens array, an optical beam shifting device, an optical projection block and a reflection screen. The reflection screen comprises a second converging lens array and a mirror. In the first and second embodiments of the present invention the reflection screen is made respectively flat or curved. The present invention can be used with a wide range of screen sizes especially for large screens and allows significant reduction or elimination of optical cross-talk and also reduces mechanical complexity of 3D display system. | 07-30-2015 |
20150212334 | REAR-PROJECTION AUTOSTEREOSCOPIC 3D DISPLAY SYSTEM - A rear-projection 3D auto-stereoscopic displays system using time-sequencing approach is configured for forming a plurality of perspective views of 3D images of an object or scene in a field of view. 3D displays system comprises a display component, an optical scanning assembly a sensor and a controller. The optical scanning assembly includes a first lens array, a complex of two (second and third) lens arrays, an optical beam shifting device and an optical projection block. The complex of two lens arrays is used as a screen for the 3D display system. The present invention can be employed especially for a wide range of screen sizes and allows significant reduction or elimination of optical cross-talk, at the same time reducing mechanical complexity of 3D display system. | 07-30-2015 |