Viscous Fluid Host/matrix Containing Nanomaterials Patents (Class 977/787)
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Patent number: 8815089Abstract: Nanoparticle-treated particle packs, such as sand beds, may effectively filter and purify liquids such as waste water. When tiny contaminant particles in waste water flow through the particle pack, the nanoparticles will capture and hold the tiny contaminant particles within the pack due to the nanoparticles' surface forces, including, but not necessarily limited to van der Waals and electrostatic forces. Coating agents such as alcohols, glycols, polyols, vegetable oil, and mineral oils may help apply the nanoparticles to the particle surfaces in the filter beds or packs.Type: GrantFiled: July 6, 2012Date of Patent: August 26, 2014Assignee: Baker Hughes IncorporatedInventors: Tianping Huang, James B. Crews
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Patent number: 8623941Abstract: A method of making a nanoparticle filled dielectric material. The method includes mixing nanoparticle precursors with a polymer material and reacting the nanoparticle precursors mixed with the polymer material to form nanoparticles dispersed within the polymer material to form a dielectric composite.Type: GrantFiled: November 10, 2010Date of Patent: January 7, 2014Assignee: UT-Battelle, LLCInventors: Enis Tuncer, Georgios Polyzos
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Apparatus for forming a nanoscale semiconductor structure on a substrate by applying a carrier fluid
Patent number: 8575591Abstract: An apparatus applies a carrier fluid to a semiconductor substrate. The carrier fluid carries nanoparticles. The positions of a plurality of particles in the carrier fluid are manipulated by applying an electric field, removing the carrier fluid from the substrate so as to leave the nanoparticles on the substrate, and sintering the nanoparticles to form a region.Type: GrantFiled: March 31, 2008Date of Patent: November 5, 2013Assignee: Nokia CorporationInventors: Petri Juhani Korpi, Risto Johannes Johannes Rönkkä -
Patent number: 8481616Abstract: A two step method for preparing a filler composition, the filler composition useful to prepare a nanocomposite polymer and an epoxy nanocomposite coating. First, disperse a water dispersible filler material in a liquid comprising water, but without any added intercalation agent, to form a dispersion. Second, replace at least a portion of the water of the liquid with an organic solvent so that the water concentration of the liquid is less than six percent by weight to form the filler composition, the average size of at least one dimension of the filler material being less than two hundred nanometers upon examination by transmission electron microscopy of a representative freeze dried sample of the dispersion of the first step. A nanocomposite polymer can be prepared by mixing the filler composition with one or more polymer, polymer component, monomer or prepolymer to produce a polymer containing the filler composition.Type: GrantFiled: January 16, 2012Date of Patent: July 9, 2013Assignees: Dow Global Technologies LLC, The Texas A & M UniversityInventors: Luyi Sun, Jae Woong Boo, Hung-jue Sue, Maurice J. Marks, Richard F. Fibiger, Michael S. Paquette
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Patent number: 8420717Abstract: A method of making a water soluble carbon nanostructure includes treating a fluorinated carbon nanostructure material with a polyol in the presence of a base. A water soluble carbon nanostructure comprises a fluorinated carbon nanostructure covalently bound to a polyol. Exemplary uses of water soluble carbon nanostructures include use in polymer composites, biosensors and drug delivery vehicles.Type: GrantFiled: July 23, 2008Date of Patent: April 16, 2013Assignee: William Marsh Rice UniversityInventors: Valery N. Khabashesku, Oleksandr Kuznetsov, Rui Lobo
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Patent number: 8268175Abstract: A method for transferring inorganic oxide nanoparticles from aqueous phase to organic phase. A modifier is used to change the surface polarity of inorganic oxide nanoparticles, followed by using proper solvents to transfer the modified inorganic oxide nanoparticles form aqueous phase to organic phase. The organic dispersion of modified inorganic oxide nanoparticles can be combined with a polymer to provide a polymer composite with the nanoparticles uniformly dispersed therein.Type: GrantFiled: September 2, 2009Date of Patent: September 18, 2012Assignee: Industrial Technology Research InstituteInventors: Guang-Way Jang, Yin-Ju Yang, Mei-Chih Hung, Hsiu-Yu Cheng, Jian-Yi Hang, Jen-Min Chen, Shu-Jiuan Huang
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Patent number: 8114925Abstract: A method for preparing a filler composition useful for preparing a nanocomposite polymer is provided. The method includes a first step of dispersing a water dispersible filler material in a liquid comprising water to form a dispersion and a second step of replacing at least a portion of the water of the liquid with an organic solvent. The resulting filler composition features a water concentration of the liquid of less than six percent by weight, and the average size of at least one dimension of the filler material is less than two hundred nanometers upon examination by transmission electron microscopy of a representative freeze dried sample of the dispersion of the first step. A nanocomposite polymer, particularly and epoxy resin composition, can be prepared by mixing the above-made filler composition with one or more polymer, polymer component, monomer or prepolymer.Type: GrantFiled: November 16, 2007Date of Patent: February 14, 2012Assignees: Dow Global Technologies LLC, The Texas A&M UniversityInventors: Luyi Sun, Woong Jae Boo, Hung-Jue Sue, Maurice J. Marks, Richard F. Fibiger, Michael S. Paquette
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Patent number: 7910627Abstract: Suppression or enhancement of various properties of a liquid fluid is aimed by improving uniform dispersion of nanoparticles by means of making a state in which no oxidized film exists on the surfaces of the nanoparticles to be dispersed in the liquid fluid. The location of the liquid fluid is confirmed with ease by enhancing the brightness of light emission of the fluid through uniform dispersion of the nanoparticles in the liquid fluid containing a material having a flame reaction. In this way, as to liquid fluids utilized in various industries, it is possible to offer a technology to desirably enhance or suppress a property desired to be enhanced and a property desired to be suppressed among various properties that its constituents have.Type: GrantFiled: June 16, 2005Date of Patent: March 22, 2011Assignee: Japan Nuclear Cycle Development InstituteInventors: Mikio Toda, Toshiro Nishi, Nobuki Oka, Hiroyuki Tsutaya, Kuniaki Ara, Hiroaki Ohira, Kazuya Kurome, Naoki Yoshioka
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Patent number: 7834332Abstract: A thin film pattern forming device includes a chamber case having an inner space communicated with the outside, a first fixing unit provided in the chamber case, a pattern electrode plate having a certain shape and fixed to the first fixing unit, and a second fixing unit provided in the chamber case and spaced apart from the pattern electrode plate. A substrate on which an inked metallic nano-material is deposited is received on the second fixing unit. The device also includes a power supply unit for supplying power to the first fixing unit and the second fixing unit, and a drying unit for drying the inked metallic nano-material patterned on the substrate.Type: GrantFiled: November 3, 2006Date of Patent: November 16, 2010Assignee: Top Engineering Co., Ltd.Inventors: Chang-Bok Lee, Jung-Woong Son
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Water based colorants comprising semiconductor nanocrystals and methods of making and using the same
Patent number: 7811470Abstract: A water based colorant that includes a polymer emulsion and semiconductor crystals capable of emitting light. The colorants include paints, inks and/or dyes can be applied to various substrates.Type: GrantFiled: October 4, 2007Date of Patent: October 12, 2010Assignee: Evident TechnologiesInventors: James Hayes, Luis Sanchez -
Patent number: 7662467Abstract: A CNT composite (10) includes a matrix (14) and a number of CNTs (12) embedded in the matrix. The matrix has a surface (102) and an opposite surface (104). Head portions of the respective CNTs are consistently oriented, parallel to the surfaces of the matrix. A method for manufacturing the composite includes (a) providing a substrate and depositing a catalyst film on the substrate; (b) forming the array of CNTs via the catalyst film on the substrate; (c) immersing the CNTs in a liquid matrix material, infusing the liquid matrix material into the array of CNTs; (d) taking the carbon nanotubes with the infused matrix out of the liquid matrix; (e) pressing the still-soft matrix and the CNTs therein, in order to arrange the CNTs consistently and parallel to the surfaces of the matrix; and (f) solidifying and peeling away the matrix to produce the CNT composite.Type: GrantFiled: October 17, 2006Date of Patent: February 16, 2010Assignees: Tsinghua University, Hon Hai Precision Industry Co., Ltd.Inventors: Qing-Wei Li, Chang-Hong Liu, Shou-Shan Fan
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Patent number: 7649024Abstract: The present invention discloses a process for preparing a hydrophobic fluid containing metal oxide nanoparticles dispersed therein such as heat transfer fluids or lubricant fluids, including introducing an alkaline aqueous solution (aqueous phase) and an organic solution of an organic acid metal salt (hydrophobic phase) into a rotating packed bed, the two solutions flowing radially through the rotating packed bed under a great centrifugal force, so that the aqueous phase and the hydrophobic phase contact with each other, reactants in the two phases undergo reactions at the interface of the two phases rapidly, and thus metal oxide nanoparticles are formed. The metal oxide nanoparticles stably dispersed in the hydrophobic phase, which is nanofluid.Type: GrantFiled: September 9, 2005Date of Patent: January 19, 2010Assignee: Industrial Technology Research InstituteInventors: Chia-Chen Li, Mu-Jen Young, Ruey-Fu Shih, Ming-Chang Wen, Meu-Hui Chang
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Patent number: 7527750Abstract: An electrically conductive additive system comprising carbon nanofibers and, optionally, electrically conductive particulate material mixed in a liquid component. The carbon nanofibers can be characterized by having a diameter between about 70 to about 200 nanometers, a length between about 50 to about 100 microns, and graphitic planes having a stacked cone-type structure.Type: GrantFiled: October 13, 2006Date of Patent: May 5, 2009Assignee: Plasticolors, Inc.Inventor: Kip A. Howard
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Patent number: 7494608Abstract: A composition comprising a liquid and a plurality of silver-containing nanoparticles with a stabilizer, wherein the silver-containing nanoparticles are a product of a reaction of a silver compound with a reducing agent comprising a hydrazine compound in the presence of a thermally removable stabilizer in a reaction mixture comprising the silver compound, the reducing agent, the stabilizer, and an organic solvent wherein the hydrazine compound is a hydrocarbyl hydrazine, a hydrocarbyl hydrazine salt, a hydrazide, a carbazate, a sulfonohydrazide, or a mixture thereof and wherein the stabilizer includes an organoamine.Type: GrantFiled: August 10, 2007Date of Patent: February 24, 2009Assignee: Xerox CorporationInventors: Yuning Li, Yiliang Wu, Beng S Ong
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Patent number: 7488431Abstract: The present invention discloses a lipiodol-ferrofluid, and a process for preparation thereof, wherein the lipiodol-ferrofluid includes the ferrofluid including a magnetic component, ?-Fe2O3 or Fe3O4; and the lipiodol.Type: GrantFiled: June 7, 2006Date of Patent: February 10, 2009Assignee: Institute of Nuclear Energy Research Atomic Energy CouncilInventors: Jen-Chieh Chung, Min-Nan Chen, Ching-Tsuen Huang
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Patent number: 7470840Abstract: Self-assembly of nanoparticles at the interface between two fluids, and methods to control such self-assembly process, e.g., the surface density of particles assembling at the interface; to utilize the assembled nanoparticles and their ligands in fabrication of capsules, where the elastic properties of the capsules can be varied from soft to tough; to develop capsules with well-defined porosities for ultimate use as delivery systems; and to develop chemistries whereby multiple ligands or ligands with multiple functionalities can be attached to the nanoparticles to promote the interfacial segregation and assembly of the nanoparticles. Certain embodiments use cadmium selenide (CdSe) nanoparticles, since the photoluminescence of the particles provides a convenient means by which the spatial location and organization of the particles can be probed. However, the systems and methodologies presented here are general and can, with suitable modification of the chemistries, be adapted to any type of nanoparticle.Type: GrantFiled: January 8, 2004Date of Patent: December 30, 2008Assignee: University of MassachusettsInventors: Todd S. Emrick, Thomas P. Russell, Anthony Dinsmore, Habib Skaff, Yao Lin
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Patent number: 7387747Abstract: According to embodiments of the present invention, a very thin thermal interface material (TIM) is developed, which is composed of carbon nanotubes, silicon thermal grease, and chloroform. The carbon nanotubes and chloroform comprise the filler and the silicone thermal grease comprises the matrix.Type: GrantFiled: January 19, 2007Date of Patent: June 17, 2008Assignee: University of WashingtonInventors: Minoru Taya, Jong-Jin Park