Having Step Or Means Utilizing Mechanical Or Thermal Property (e.g., Pressure, Heat, Etc.) Patents (Class 977/900)
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Publication number: 20120153212Abstract: The present invention relates to bulk magnetic nanocomposites and methods of making bulk magnetic nanocomposites.Type: ApplicationFiled: December 15, 2010Publication date: June 21, 2012Inventor: J. Ping Liu
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Publication number: 20120135058Abstract: The invention provides process for making contra-soluble nano-dispersions of at most sparingly-soluble materials in a soluble carrier material comprising the steps of: (i) providing a single phase mixture of: (a) a solvent or a mixture of miscible solvents wherein at least one of the solvents is an aqueous solvent and at least another solvent is a non-aqueous solvent, (b) at least one carrier material soluble in solvent (a), said carrier material being also contra-soluble to payload material (c) and solid at ambient temperature, (c) at least one a payload material which is soluble in solvent (a), and, (ii) freeze-drying the mixture to remove solvent (a) and thereby obtain the carrier material (b) in solid form with payload (c) dispersed therein as nanoparticles.Type: ApplicationFiled: February 3, 2012Publication date: May 31, 2012Applicant: IOTA NanoSolutions LimitedInventors: Doris Angus, David John Duncalf, Andrew James Elphick, Alison Jayne Foster, James Long, Steven Paul Rannard, Dong Wang
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Publication number: 20120132570Abstract: Methods of separating one type of nanoparticle from another type of nanoparticle in a mixture including more than one type of nanoparticle are disclosed. The methods may include suspending a mixture of the various types of nanoparticles in a liquid and modifying a characteristic of the liquid. Thereafter, a force may be applied to the nanoparticles within the mixture causing one type of nanoparticles to separate from another type of nanoparticles. The applied force may be the force of gravity, or it may be an induced force such as a centrifugal force applied with a centrifuge or similar apparatus. Upon the occurrence physical separation, sub-populations of nanoparticles may be removed from the suspension or segregated. Alternatively the methods may include modifying a type of nanoparticle in suspension. Alternative embodiments include nanoparticles modified in suspension to provide for separation from other types of nanoparticles.Type: ApplicationFiled: May 25, 2011Publication date: May 31, 2012Applicant: CABOT SECURITY MATERIALS INC.Inventors: Borzoyeh Shojaei, George Hanki Chan
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Publication number: 20120135047Abstract: The present invention relates to methods for producing particles of diclofenac using dry milling processes as well as compositions comprising diclofenac, medicaments produced using diclofenac in particulate form and/or compositions, and to methods of treatment of an animal, including man, using a therapeutically effective amount of diclofenac administered by way of said medicaments.Type: ApplicationFiled: April 23, 2010Publication date: May 31, 2012Inventors: Aaron Dodd, Felix Meiser, Marck Norret, Adrian Russell, H William Bosch
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Publication number: 20120121922Abstract: Disclosed herein is an engine 52, in particular a combustion engine or a jet-power unit, or an engine part 54, 56 made from metal, and in particular Al or Mg, or an alloy comprising one or more thereof. The engine or engine part is made from a compound material of said metal reinforced by nanoparticles, in particular CNT, wherein the reinforced metal has a microstructure comprising metal crystallites at least partly separated by said nanoparticles.Type: ApplicationFiled: January 28, 2010Publication date: May 17, 2012Inventors: Henning Zoz, Michael Dvorak, Horst Adams
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Publication number: 20120121516Abstract: The invention relates to an emulsion that can be activated by ultrasounds, comprising, in an emulsion in an aqueous solution, microparticles having a diameter of less than 10 ?m and containing an active agent and a gaseous precursor in a liquid form, encapsulated by a first emulsifier. The microparticles contain nanoparticles smaller than 1 ?m, in an emulsion in the gaseous precursor, each nanoparticle comprising an inner liquid that contains the active agent and is encapsulated by a second emulsifier.Type: ApplicationFiled: July 7, 2010Publication date: May 17, 2012Applicant: Centre National de la Recherche Scientifique- CNRSInventors: Patrick Tabeling, Mickael Tanter, Nicolas Pannacci, Olivier Couture, Mathias Fink
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Patent number: 8178585Abstract: Methods for preparing high quality and high yields of nanocrystals, i.e., metal-oxide-based nanocrystals, using a novel solvent-free method. The nanocrystals advantageously comprise organic alkyl chain capping groups and are stable in air and in nonpolar solvents.Type: GrantFiled: November 14, 2008Date of Patent: May 15, 2012Assignee: Advanced Technology Materials, Inc.Inventors: Melissa Petruska, Guiquan Pan
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Publication number: 20120112132Abstract: A method is provided for forming a high-capacity, high-rate lithium ion battery cathode material. The method includes providing a synthesized material of electrochemically active plate-shaped nanoparticles and adding a plurality of appropriately sized diluent particles to the plate-shaped nanoparticles to form a suspension. Any liquid is removed from the solution to form a composite material. The method also includes processing the composite material to form a high-capacity, high-rate lithium ion battery cathode material.Type: ApplicationFiled: November 7, 2011Publication date: May 10, 2012Inventors: Kyle C. Smith, Timothy S. Fisher
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Publication number: 20120100446Abstract: Hydrogen storage materials and methods of reversibly storing and generating hydrogen using sonication and hydrocarbon nanostructures are described.Type: ApplicationFiled: February 8, 2010Publication date: April 26, 2012Applicant: THE BOARD OF TRUSTEES OF THE UNIVERSITY OF ILLINOISInventor: Boon Keng Teo
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Patent number: 8163374Abstract: The present invention relates to the self-assembly of a spherical-morphology block copolymer into V-shaped grooves of a substrate. Although spherical morphology block copolymers typically form a body-centered cubic system (bcc) sphere array in bulk, the V-shaped grooves promote the formation of a face-centered cubic system (fcc) sphere array that is well ordered. In one embodiment, the (111) planes of the fcc sphere array are parallel to the angled side walls of the V-shaped groove. The (100) plane of the fcc sphere array is parallel to the top surface of the substrate, and may show a square symmetry among adjacent spheres. This square symmetry is unlike the hexagonal symmetry seen in monolayers of spherical domains and is a useful geometry for lithography applications, especially those used in semiconductor applications.Type: GrantFiled: June 7, 2010Date of Patent: April 24, 2012Assignee: Massachusetts Institute of TechnologyInventors: Peng-Wei Chuang, Caroline A. Ross
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Patent number: 8163656Abstract: In accordance with the invention, a lateral dimension of a microscale device on a substrate is reduced or adjusted by the steps of providing the device with a soft or softened exposed surface; placing a guiding plate adjacent the soft or softened exposed surface; and pressing the guiding plate onto the exposed surface. Under pressure, the soft material flows laterally between the guiding plate and the substrate. Such pressure induced flow can reduce the lateral dimension of line spacing or the size of holes and increase the size of mesas. The same process also can repair defects such as line edge roughness and sloped sidewalls. This process will be referred to herein as pressed self-perfection by liquefaction or P-SPEL.Type: GrantFiled: April 7, 2009Date of Patent: April 24, 2012Inventors: Stephen Y. Chou, Ying Wang, Xiaogan Liang, Yixing Liang
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Patent number: 8163657Abstract: In accordance with the invention, a lateral dimension of a microscale device on a substrate is reduced or adjusted by the steps of providing the device with a soft or softened exposed surface; placing a guiding plate adjacent the soft or softened exposed surface; and pressing the guiding plate onto the exposed surface. Under pressure, the soft material flows laterally between the guiding plate and the substrate. Such pressure induced flow can reduce the lateral dimension of line spacing or the size of holes and increase the size of mesas. The same process also can repair defects such as line edge roughness and sloped sidewalls. This process will be referred to herein as pressed self-perfection by liquefaction or P-SPEL.Type: GrantFiled: May 4, 2009Date of Patent: April 24, 2012Inventors: Stephen Y. Chou, Ying Wang, Xiaogan Liang, Yixing Liang
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Publication number: 20120094214Abstract: The present invention relates to a method for manufacturing a metal-oxide-based ceramic, including, in order, the step of inserting, into a flash sintering device, a nanocrystalline powder comprising crystallites and crystallite agglomerates of a ceramic of formula, Zr1-xMxO2, where M is chosen from yttrium, scandium and cerium, or Ce1-xM?xO2, where M? is chosen from gadolinium, scandium, samarium and yttrium, where x lies between 0 and 0.2, the powder having an average crystallite size of between 5 and 50 nm, an average crystallite agglomerate size of between 0.5 and 20 ?m, and a specific surface area of between 20 and 100 m2/g. The invention further includes the step of flash sintering the powder by applying a pressure of between 50 and 150 MPa, at a temperature of between 850° C. and 1400° C., for a time of between 5 and 30 minutes.Type: ApplicationFiled: June 16, 2010Publication date: April 19, 2012Applicants: Universite Paul Sabatier Toulouse III, Electricite De FranceInventors: Mohsine Zahid, Mathilde Rieu, Claude Estournes, Pascal Lenormand, Florence Ansart
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Publication number: 20120090781Abstract: Co-agglomerated dispersions and methods for their preparation are described herein. The co-agglomerated dispersions are prepared by co-agglomerating an anionic polymer dispersion and inert particles. The polymers for use in the co-agglomerated dispersions are derived from one or more monomers including at least one conjugated diene monomer. The inert particles have a particle size of less than 2 ?m. Also described herein is an aqueous dispersion including co-agglomerated particles formed from at least one polymer and at least one inert material. Further described herein are foamed polymers, latex-based adhesives, waterproofing membranes, sound absorbing coatings, and methods for their preparation and use.Type: ApplicationFiled: July 1, 2010Publication date: April 19, 2012Applicant: BASF SEInventor: Koichi Takamura
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Publication number: 20120090656Abstract: The inventors demonstrate herein that homogeneous Ag-doped PbTe/Ag2Te composites exhibit high thermoelectric performance (˜50% over La-doped composites) associated with an inherent temperature induced gradient in the doping concentration caused by the temperature-dependent solubility of Ag in the PbTe matrix. This method provides a new mechanism to achieve a higher thermoelectric efficiency afforded by a given material system, and is generally applicable to other thermoelectric materials.Type: ApplicationFiled: October 19, 2011Publication date: April 19, 2012Applicant: CALIFORNIA INSTITUTE OF TECHNOLOGYInventors: G. Jeffrey Snyder, Yanzhong Pei
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Publication number: 20120088649Abstract: This invention provides a polycrystalline yttrium aluminum garnet (YAG) which is transparent in the visible and near infrared region. The invention also provides a method of manufacturing a transparent sintered YAG, which has nearly no porosity.Type: ApplicationFiled: June 22, 2010Publication date: April 12, 2012Inventors: Nahum Frage, Moshe Dariel, Sergei Kalabuchov
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Patent number: 8147914Abstract: Disclosed is a structure made of a trench patterned substrate having a pre-determined trench period and a pre-determined mesa to trench width ratio, and a block copolymer on top of the trench patterned substrate. The block copolymer has at least an organic block and a silicon-containing block, wherein the block copolymer can have either perpendicular or parallel cylinders. The structure is annealed under a pre-determined vapor pressure for a predetermined annealing time period, wherein the pre-determined trench period, the pre-determined mesa to trench width ratio, the predetermined vapor pressure and the predetermined annealing time period are chosen such that cylinders formed in the block copolymer are either perpendicular or parallel with respect to the trench-patterned substrate. A method is also described to form the above-mentioned structure.Type: GrantFiled: June 11, 2008Date of Patent: April 3, 2012Assignee: Massachusetts Institute of TechnologyInventors: Yeon Sik Jung, Caroline A. Ross
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Patent number: 8147791Abstract: A method of creating graphene comprising the steps of dispersing graphene oxide into water to form a dispersion. Where the method further comprises adding a solvent to the dispersion to form a solution, and controlling a temperature of the solution to form graphene.Type: GrantFiled: March 20, 2009Date of Patent: April 3, 2012Assignee: Northrop Grumman Systems CorporationInventor: S. Scott Gilje
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Patent number: 8147901Abstract: Provided herein is a method of manufacturing a gas sensor. The method includes forming electrodes on a surface of a substrate, manufacturing a paste having a complex of CNTs and a metal-ligand complex comprising a metal that has gas adsorption selectivity for specific gases, coating the paste on the substrate to cover the electrodes, patterning the paste by a photolithography process, and reducing the metal-ligand complex included in the patterned paste.Type: GrantFiled: May 1, 2007Date of Patent: April 3, 2012Assignee: Samsung Electronics Co., Ltd.Inventors: Sung-ouk Jung, Myung-sup Jung, Soo-suk Lee
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Publication number: 20120074611Abstract: A process for forming a nano-composite including mixing a first and second thermoplastic polymer in a molten state forming a molten polymer blend. The second polymer is soluble in a first solvent and the first polymer is insoluble in the first solvent. The first polymer forms discontinuous regions in the second polymer. Next, the polymer blend is subjected to extensional flow, shear stress, and heat forming nanofibers where less than about 30% by volume of the nanofibers are bonded to other nanofibers. Next the polymer blend with nanofibers is cooled and the first intermediate is formed into a pre-consolidation formation. The pre-consolidation formation is then consolidated causing nanofiber movement, randomization, and at least 70% by volume of the nanofibers to fuse to other nanofibers. According to one aspect, the second intermediate is then subjected to the first solvent to the dissolving away at least a portion of the second polymer.Type: ApplicationFiled: September 29, 2010Publication date: March 29, 2012Inventors: Hao Zhou, Walter A. Scrivens
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Publication number: 20120074612Abstract: A process for forming a nanofiber non-woven includes mixing a first and second thermoplastic polymer and a plurality of particles, then subjecting the mixture to elongational forces when the first and second polymers are in a softened condition forming nanofibers of the first polymer. Next, the mixture is brought to a condition where the temperature is below the softening temperature of the first polymer forming a first intermediate. The first intermediate is consolidated forming the second intermediate where at least 70% of the nanofibers are fused to other nanofibers. Next, at least a portion of the second polymer is removed and at least 50% of the particles are positioned adjacent a surface of the nanofibers.Type: ApplicationFiled: September 29, 2010Publication date: March 29, 2012Inventors: Walter A. Scrivens, Hao Zhou
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Publication number: 20120076712Abstract: Rare earth magneto-optical nanocrystalline oxides provide a material that is transparent in the visible range and has a high magnetic response to external magnetic fields. The material can be manufactured using current activated pressure assisted densification (CAPAD). The result is a rare earth magneto-optical nanocrystalline oxide having an average grain size of less than about 100 nm and a Verdet constant greater than or equal to about 300 rad T?1 m?1 for light having a wavelength of about 632.8 nm.Type: ApplicationFiled: August 30, 2011Publication date: March 29, 2012Applicant: The Regents of the University of CaliforniaInventors: Javier E. Garay, Jason R. Morales
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Publication number: 20120065309Abstract: A method for making a polymer composite comprises mixing, a thermosetting polymer precursor, and 0.01 to 30 wt % of a derivatized nanoparticle based on the total weight of the polymer composite, the derivatized nanoparticle including functional groups comprising carboxy, epoxy, ether, ketone, amine, hydroxy, alkoxy, alkyl, aryl, aralkyl, alkaryl, lactone, functionalized polymeric or oligomeric groups, or a combination comprising at least one of the forgoing functional groups.Type: ApplicationFiled: September 9, 2010Publication date: March 15, 2012Applicant: Baker Hughes IncorporatedInventors: Gaurav Agrawal, Soma Chakraborty, Ping Duan, Michael H. Johnson
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Publication number: 20120060649Abstract: The various embodiments herein provide a method of producing silver nanoparticles using an electromagnetic levitation melting process. The method comprises levitating and melting a silver sample using a suitable levitation coil and stabilizing a droplet of molten silver. The silver droplet is heated and levitated simultaneously by an induction furnace as a generator. Argon gas is used to provide the inert atmosphere and also applied to cool and condense the silver vapor into a silver nano powder to obtain a silver nano particle. The synthesized silver nanoparticles are collected by brushing them off the brass cylinder using inert gas and are kept in pure Hexane. The size of the nanoparticles is controlled by rate of cooling and heating temperature. The electromagnetic levitation melting method is applied to provide the high purity of silver nano particles with no vacuum equipments.Type: ApplicationFiled: September 15, 2010Publication date: March 15, 2012Inventors: Mahdieh Malekzadeh, Mohammad Halali
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Publication number: 20120059086Abstract: A method of making a filled resin includes the steps of: Providing a wiped film evaporator with an internal evaporator chamber maintained under vacuum and having an internal chamber wall maintained at an elevated temperature; introducing solvent-borne particles and organic matrix into the internal chamber; and compounding the solvent-borne particles and the organic matrix in the internal evaporator chamber by forming a thin film against the internal chamber wall, the thin film including organic matrix and particles, and the vacuum conditions and elevated temperature being sufficient to remove solvent from the particles and organic matrix to provide the filled resin. Less than about 10% of the particles in the resulting filled resin are agglomerated.Type: ApplicationFiled: May 24, 2010Publication date: March 8, 2012Inventors: James M Nelson, Matthew N. Archibald, Wendy L. Thompson, Jeremy A. Miller, Randy A. Larson, Terence D. Spawn
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Publication number: 20120049127Abstract: The present invention is directed to a fluoropolymer tape having an electrically conductive surface. More specifically, the present invention is directed to a polytetrafluoroethylene (PTFE) tape and method for producing an electrically conductive tape by blending vapor-grown carbon fiber or carbon nanotubes or combinations of both with PTFE.Type: ApplicationFiled: November 4, 2011Publication date: March 1, 2012Applicant: COMPAGNIE PLASTIC OMNIUMInventors: Jiaxiang Ren, Bernd Schulte-Ladbeck
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Patent number: 8123961Abstract: Methods for fabricating sublithographic, nanoscale arrays of openings and linear microchannels utilizing self-assembling block copolymers, and films and devices formed from these methods are provided. Embodiments of the invention use a self-templating or multilayer approach to induce ordering of a self-assembling block copolymer film to an underlying base film to produce a multilayered film having an ordered array of nanostructures that can be removed to provide openings in the film which, in some embodiments, can be used as a template or mask to etch openings in an underlying material layer.Type: GrantFiled: April 20, 2007Date of Patent: February 28, 2012Assignee: Micron Technology, Inc.Inventor: Dan B. Millward
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Patent number: 8123962Abstract: Methods for fabricating sublithographic, nanoscale microstructures arrays including openings and linear microchannels utilizing self-assembling block copolymers, and films and devices formed from these methods are provided. In some embodiments, the films can be used as a template or mask to etch openings in an underlying material layer.Type: GrantFiled: June 12, 2007Date of Patent: February 28, 2012Assignee: Micron Technology, Inc.Inventors: Dan B. Millward, Donald Westmoreland, Gurtej Sandhu
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Patent number: 8114301Abstract: Methods for fabricating sublithographic, nanoscale microstructures in line arrays utilizing self-assembling block copolymers, and films and devices formed from these methods are provided.Type: GrantFiled: May 2, 2008Date of Patent: February 14, 2012Assignee: Micron Technology, Inc.Inventors: Dan B. Millward, Donald Westmoreland
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Patent number: 8114300Abstract: Methods for fabricating sublithographic, nanoscale polymeric microstructures utilizing self-assembling block copolymers, and films and devices formed from these methods are provided.Type: GrantFiled: April 21, 2008Date of Patent: February 14, 2012Assignee: Micron Technology, Inc.Inventor: Dan B. Millward
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Publication number: 20120034512Abstract: A carbon/nanoparticle nanofiber includes a carbon base structure and a plurality of nanoparticles that include a lithium alloy or a lithium alloy precursor. One or more nanofibers may be formed into a nonwoven fabric. The fabric may be utilized as an electrode, such as for example in a battery. The carbon/nanoparticle composite nanofiber may be fabricated by forming a polymer/nanoparticle nanofiber, such as for example by a spinning technique, and carbonizing the polymer/nanoparticle nanofiber.Type: ApplicationFiled: September 13, 2011Publication date: February 9, 2012Applicant: NORTH CAROLINA STATE UNIVERSITYInventors: Xiang-wu Zhang, Peter S. Fedkiw, Saad A. Khan
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Publication number: 20120035767Abstract: The present invention relates to a system for optimizing and controlling the particle size distribution and production of nanoparticles in a furnace reactor. The method provides nanoparticles with desired, optimized and controlled particle size distribution and specific surface area in furnace reactors using a simulation tool with programmed instructions. The said simulation tool couples flame dynamics module and particle population balance module and precursor reaction kinetics module.Type: ApplicationFiled: July 19, 2011Publication date: February 9, 2012Applicant: TATA CONSULTANCY SERVICES LIMITEDInventors: Venkataramana Runkana, Venkata Sudheendra Buddhiraju
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Publication number: 20120021221Abstract: In a nanocomposite bulk magnet according to the present invention, nanocomposite magnet powder particles, including an Nd2Fe14B crystalline phase and an ?-Fe phase, are combined together. The composition of the magnet is represented by T100-x-y-z-n(B1-qCq)xRyTizMn, where T is at least one transition metal element selected from the group consisting of Fe, Co and Ni and always including Fe, R is at least one rare-earth element including substantially no La or Ce, M is an additive metallic element, and x, y, z, n and q satisfy 4 at %?x?10 at %, 6 at %?y?10 at %, 0.05 at %?z?5 at %, 0 at %?n?10 at %, and 0?q?0.5, respectively. The powder particles have a minor-axis size of less than 40 ?m. And powder particles, of which the major-axis size exceeds 53 ?m, account for at least 90 mass % of the entire magnet. And those powder particles are directly combined with each other. Consequently, a full-dense magnet, of which the density is 96% or more of the true density of its material alloy, is realized.Type: ApplicationFiled: March 30, 2010Publication date: January 26, 2012Applicant: HITACHI METALS, LTD.Inventor: Toshio Miyoshi
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Publication number: 20120013047Abstract: A nanofiber manufacturing apparatus (100) which produces nanofibers (301) by electrically stretching a solution (300) in space, includes: an effusing body (115) having effusing holes (118) for effusing the solution (300) into the space, a tip part (116) in which openings (119) at ends of the effusing holes (118) are one-dimensionally arranged at given intervals, and two side wall parts (117) provided extending from both sides of the tip part (116) so that the effusing holes (118) are located between the side wall parts (117) and distance between the side wall parts (117) increases with distance from the tip part (116); a charging electrode (121) disposed at a given distance from the effusing body (115); and a charging power supply (122) which applies a given voltage between the effusing body (115) and the charging electrode (121).Type: ApplicationFiled: August 11, 2010Publication date: January 19, 2012Inventors: Kazunori Ishikawa, Hiroto Sumida, Takahiro Kurokawa, Masanobu Miyata, Takatoshi Mitsushima
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Publication number: 20120009381Abstract: Materials that have a honeycomb structure are provided that are formed, at least in part, from carbon nanotube sheets. Methods are also provided for making these materials, including the expansion method, in which an adhesive is applied to carbon nanotube sheets, which are then stacked and expanded to form the honeycomb structure, or a corrugated method, in which an adhesive is applied to corrugated sheets, which are then stacked to form the honeycomb structure.Type: ApplicationFiled: June 30, 2011Publication date: January 12, 2012Applicant: Florida State University Research FoundationInventors: Mei Zhang, Elizabeth Morley, Richard Liang, Chuck Zhang, Ben Wang
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Publication number: 20120009118Abstract: The present invention relates to a system for optimizing and controlling the particle size distribution and scale-up of production of nanoparticle in an aerosol flame reactor. The method provides nanoparticles with desired, optimized and controlled particle size and the specific surface area in aerosol reactors using a simulation tool with programmed instructions. The said simulation tool couples flame dynamics model and particle population balance model.Type: ApplicationFiled: July 11, 2011Publication date: January 12, 2012Applicant: TATA CONSULTANCY SERVICES LIMITEDInventors: Venkataramana Runkana, Venkata Sudheendra Buddhiraju, Nagaravi Kumar Varma Nadimpalli
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Patent number: 8083953Abstract: Methods for fabricating sublithographic, nanoscale linear microchannel arrays over surfaces without defined features utilizing self-assembling block copolymers, and films and devices formed from these methods are provided. Embodiments of the methods use a multilayer induced ordering approach to align lamellar films to an underlying base film within trenches, and localized heating to anneal the lamellar-phase block copolymer film overlying the trenches and outwardly over the remaining surface.Type: GrantFiled: March 6, 2007Date of Patent: December 27, 2011Assignee: Micron Technology, Inc.Inventors: Dan B. Millward, Eugene P. Marsh
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Publication number: 20110291315Abstract: A method for arranging nanotube elements within nanotube fabric layers and films is disclosed. A directional force is applied over a nanotube fabric layer to render the fabric layer into an ordered network of nanotube elements. That is, a network of nanotube elements drawn together along their sidewalls and substantially oriented in a uniform direction. In some embodiments this directional force is applied by rolling a cylindrical element over the fabric layer. In other embodiments this directional force is applied by passing a rubbing material over the surface of a nanotube fabric layer. In other embodiments this directional force is applied by running a polishing material over the nanotube fabric layer for a predetermined time. Exemplary rolling, rubbing, and polishing apparatuses are also disclosed.Type: ApplicationFiled: March 30, 2011Publication date: December 1, 2011Applicant: Nantero, Inc.Inventors: David A. ROBERTS, Hao-Yu LIN, Thomas R. BENGTSON, Thomas RUECKES, Karl ROBINSON, H. Montgomery MANNING, Rahul SEN, Michel MONTEIRO
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Patent number: 8066967Abstract: A system and method for the manipulation of nanofibers using electrostatic forces. The nanofibers may be provided in a liquid medium, and the nanofibers may be nano-scale (i.e. measured in nanometers). The process is sensitive to the charge properties of the nanofibers (charge could be inherent to material or the charge can be induced into the material through electrochemical means), and therefore may be used to sort or classify particles. The nanofibers may also be aligned according to electrical fields, and thus anisotropic effect exploited. Devices produced may be conductors, semiconductors, active electronic devices, electron emitters, and the like. The nanofibers may be modified after deposition, for example to remove charge-influencing coatings to further enhance their performance, to enhance their adhesion to polymers for use as composite materials or result in the adhesion of the material at the proper location on a variety of different surfaces.Type: GrantFiled: June 13, 2006Date of Patent: November 29, 2011Assignee: Electrox CorporationInventors: Dietmar C Eberlein, Robert H Detig
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Publication number: 20110282006Abstract: It is an object of the present invention to obtain an optically transparent nano-dispersion polymer blend extrudate and a transparent resin having a microscopic dispersion structure in which incompatible polymer blend is melted and kneaded, one of resins is formed into a matrix, a size of dispersed phase of the other resin is controlled to 300 nm or less, more preferably 100 nm or less. Extra additive such as a compatibilizer is not added. When the incompatible polymer blend is melted and kneaded using a high shearing and forming apparatus having an inner feedback type screw under a condition that the screw rotation speed is 600 rpm to 3000 rpm, the rotation speed of the inner feedback type screw is increased, the kneading time is set under constant rotation speed, the high shearing forming condition is adjusted, and a structure in which a size of dispersed phase is controlled to 300 nm or less, more preferably 100 nm or less is formed.Type: ApplicationFiled: November 26, 2009Publication date: November 17, 2011Applicant: NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGYInventors: Hiroshi Shimizu, Yongjin Li
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Patent number: 8058202Abstract: Heterogeneous catalyst systems, methods of making these systems, and methods of using these systems, wherein catalytically active gold is deposited onto composite support media. The composite support media is formed by providing nanoporous material on at least a portion of the surfaces of carbonaceous host material. In representative embodiments, relatively fine, nanoporous guest particles are coated or otherwise provided on surfaces of relatively coarser activated carbon particles. Catalytically active gold may be deposited onto one or both of the guest or host materials either before or after the guest and host materials are combined to from the composite host material. PVD is the preferred catalyst system of depositing gold.Type: GrantFiled: December 30, 2005Date of Patent: November 15, 2011Assignee: 3M Innovative Properties CompanyInventors: John T. Brady, Marvin E. Jones, Larry A. Brey, Gina M. Buccellato, Craig S. Chamberlain, John S. Huberty, Allen R. Siedle, Thomas E. Wood, Badri Veeraraghavan, Duane D. Fansler
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Publication number: 20110269731Abstract: The present invention relates to a complex made up of at least one beta-lactam molecule covalently bonded to at least one hydrocarbon radical including at least 18 carbon atoms and containing at least one unit of 2-methyl-buta-2-ene, to nanoparticles of said complexes, and to a method for preparing same, said complex and/or said nanoparticles optionally being in the form of a lyophilisate. The present invention also relates to a pharmaceutical composition including at least said complex and/or said nanoparticles. The invention finally relates to said complex and/or to said nanoparticles for the treatment and/or prevention of bacterial infections, in particular caused by strains that are sensitive to beta-lactams.Type: ApplicationFiled: October 28, 2009Publication date: November 3, 2011Inventors: Patrick Couvreur, Didier Demaele, Fatima Zouhiri
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Publication number: 20110269830Abstract: The present invention relates to a complex made up of at least one molecule of statin or a derivative thereof, covalently bonded to at least one hydrocarbon radical including at least 18 carbon atoms and containing at least one 2-methyl-buta-2-ene unit, to nanoparticles of such a complex, and to a method for preparing same, said complex and/or said nanoparticles optionally being in the form of a lyophilisate. The present invention also relates to a pharmaceutical composition including at least one complex and/or nanoparticles such as previously defined. The invention finally relates to said complex and/or to said nanoparticles for the treatment and/or prevention of hyperlipemia and hypercholesterolemia.Type: ApplicationFiled: October 28, 2009Publication date: November 3, 2011Inventors: Patrick Couvreur, Didier Desmaele, Fat'ma Zouhiri, Reddy Harivardhan Lakkireddy
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Patent number: 8043520Abstract: A pattern forming material contains a block copolymer or graft copolymer and forms a structure having micro polymer phases, in which, with respect to at least two polymer chains among polymer chains constituting the block copolymer or graft copolymer, the ratio between N/(Nc?No) values of monomer units constituting respective polymer chains is 1.4 or more, where N represents total number of atoms in the monomer unit, Nc represents the number of carbon atoms in the monomer unit, No represents the number of oxygen atoms in the monomer unit.Type: GrantFiled: January 16, 2009Date of Patent: October 25, 2011Assignee: Kabushiki Kaisha ToshibaInventors: Koji Asakawa, Toshiro Hiraoka, Yoshihiro Akasaka, Yasuyuki Hotta
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Publication number: 20110253032Abstract: Disclosed is a technology of producing quantum dots that are nano-size semiconducting crystals. A quantum dot producing apparatus includes a mixer for mixing precursor solutions, and a heating furnace with a plurality of heating areas providing different temperature conditions to heat the precursor mixture. Between the heating areas, a buffer may be installed which provides a low-temperature condition to prevent addition nucleation. Through this configuration, nucleation is separated from nuclear growth, uniformity in particle size of quantum dots is improved, which enables the mass-production of quantum dots, rather than a quantum dot producing apparatus with a single heating area that provides a constant temperature condition.Type: ApplicationFiled: October 27, 2009Publication date: October 20, 2011Inventors: Sohee Jeong, Chang-Soo Han, Won-Sik Seo
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Publication number: 20110233455Abstract: A type of sintered Nd—Fe—B permanent magnet with high intrinsic coercivity of about 30KOe or more is produced by dual alloy method. The method comprises the following steps: preparing the powders of master phase alloy and intergranular phase alloy respectively, mixing the powders, compacting the powders in magnetic field, sintering the compacted body at 1050˜1125° C. and annealing at 890-1000° C. and 500-650° C. successively. In the process of preparing the powder of intergranular phase alloy, the nano-powder additive selected from the group consisting of NiAl, TiC, SiC, AlN, TiN, ZrN and the combination thereof is used to modify the powder of intergranular phase alloy.Type: ApplicationFiled: December 1, 2008Publication date: September 29, 2011Applicants: ZHEJIANG UNIVERSITY, ZHEJIANG INNUOVO MAGNETICS INDUSTRY CO., LTDInventors: Mi Yan, Xiangzhi Zhou, Xiongfei Fan, Tianyu Ma, Wei Luo
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Publication number: 20110230122Abstract: The invention relates to a method of manufacturing nanoscale cubic boron nitride and to the nanoscale cubic boron nitride thus obtained. The method according to the invention of manufacturing nanoscale boron nitride of cubic structure is characterized in that it comprises the following steps: a) compression of a pyrolytic boron nitride powder having a structure of the monomodal turbostratic graphite type at a pressure of between 19 and 21 GPa and at room temperature; and b) heating of the powder under a pressure of between 19 and 21 GPa and at a temperature of between 1447° C. (1720 K) and 1547° C. (1820 K) for less than 2 minutes. The invention is applicable in particular in the field of abrasives.Type: ApplicationFiled: July 9, 2009Publication date: September 22, 2011Applicants: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, Universite Pierre Et Marie Curie (Paris 6)Inventors: Yann Le Godec, Vladimir Solozhenko, Oleksandr Kurakevych, Natalia Doubrovinckaia, Leonid Doubrovinski
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Patent number: 8022408Abstract: Example embodiments relate to a crystalline nanowire substrate having a structure in which a crystalline nanowire film having a relatively fine line-width may be formed on a substrate, a method of manufacturing the same, and a method of manufacturing a thin film transistor using the same. The method of manufacturing the crystalline nanowire substrate may include preparing a substrate, forming an insulating film on the substrate, forming a silicon film on the insulating film, patterning the insulating film and the silicon film into a strip shape, reducing the line-width of the insulating film by undercut etching at least one lateral side of the insulating film, and forming a self-aligned silicon nanowire film on an upper surface of the insulating film by melting and crystallizing the silicon film.Type: GrantFiled: March 22, 2010Date of Patent: September 20, 2011Assignee: Samsung Electronics Co., Ltd.Inventors: Hans S. Cho, Takashi Noguchi, Wenxu Xianyu, Do-Young Kim, Huaxiang Yin, Xiaoxin Zhang
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Publication number: 20110204290Abstract: Provided is a silicon-based blue phosphorescent material having a longer luminescence lifetime, a high luminescence intensity, and excellent long-term stability and reproducibility. A method for producing a silicon-based blue-green phosphorescent material controllable by an excitation wavelength, which comprises a first step of anodizing the surface of silicon to prepare a nanocrystal silicon or a nanostructure silicon, a second step of processing the nanocrystal silicon or the nanostructure silicon prepared in the first step for rapid thermal oxidation, and a third step of processing the nanocrystal silicon or nanostructure silicon having been processed for rapid thermal oxidation in the second step, for high-pressure water vapor annealing.Type: ApplicationFiled: August 26, 2009Publication date: August 25, 2011Inventors: Nobuyoshi Koshida, Bernard Gelloz
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Patent number: 7998309Abstract: A one step method and system for producing nanofluids by a nanoparticle-source evaporation and deposition of the evaporant into a base fluid. The base fluid such oil or ethylene glycol is placed in a rotating cylindrical drum having an adjustable heater-boat-evaporator and heat exchanger-cooler apparatus. As the drum rotates, a thin liquid layer is formed on the inside surface of the drum. An insulated heater-boat-evaporator having an evaporant material (nanoparticle-source) placed within its boat evaporator is adjustably positioned near a portion of the rotating thin liquid layer, the evaporant material being heated thereby evaporating a portion of the evaporant material and forming nanoparticles, the nanoparticles absorbed by the liquid film to form nanofluid.Type: GrantFiled: March 23, 2010Date of Patent: August 16, 2011Assignee: The United States of America as represented by the United States Department of EnergyInventors: Milivoje Kostic, Mihajlo Golubovic, John Hull, Stephen U. S. Choi