Of Specified Organic Or Carbon-based Composition Patents (Class 977/788)
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Publication number: 20100290593Abstract: A radiation source includes a vacuum chamber, means for injecting an optical wave, a cold source for emitting electrons, a power supply, an anode for emitting X-rays, and at least one window through which the X-rays exit. A light source delivers the optical wave, and the cold source includes at least one substrate with a conducting surface and is subjected to an electric field. The cold further includes a photoconductive element in which the current is controlled approximately linearly by the illumination and at least one electron-emitting element, the photoconductive element electrically connected in series between an emitting element and a conducting surface. Current photogenerated in the photoconductive device is equal to that emitted by the emitter or the group of emitters with which it is associated, and the emitted stream of X-rays is approximately linearly dependent on the illumination.Type: ApplicationFiled: January 23, 2009Publication date: November 18, 2010Applicant: THALESInventors: Pierre Legagneux, Ludovic Hudanski, Pascal Ponard, Christophe Bourat, Jean-Philippe Schnell
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Publication number: 20100285113Abstract: The present invention relates to a composite hydrogel comprising a blend of an aqueous solution of an anionic polysaccharide or a derivative thereof, such as hyaluronan (also commonly referred to as hyaluronic acid) or a derivative thereof and an aqueous solution of methylcellulose or another water soluble cellulose derivative thereof, having dispersed polymeric particles, such as polymeric hydrophobic particles therein selected from micro particles and nanoparticles, and wherein the stability of the hydrogel is enhanced relative to the stability of the hydrogel alone. The polymeric particles may contain at least one therapeutic agent, in which case each therapeutic agent exhibits a linear sustained release rate that can be tuned or altered by selecting the appropriate polymer formulation of the micro particles and/or nanoparticles.Type: ApplicationFiled: May 12, 2010Publication date: November 11, 2010Inventors: Molly S. Shoichet, M. Douglas Baumann, Catherine Elizabeth Kang
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Publication number: 20100280220Abstract: The present invention relates to gold binding peptides and shape- and size-tunable synthesis of gold nanostructures. The present inventions are very useful for the production of well-designed, gold-based architectures. The size- and shape-specific gold nanostructure materials prepared by the present invention may find use as: highly conductive interconnections for single-electron transistors, catalysts for the oxidation of carbon monoxide; biological and chemical sensors; and as contrasting agents for electron microscopic and medical imaging applications.Type: ApplicationFiled: May 4, 2009Publication date: November 4, 2010Applicant: Gwangju Institute of Science and TechnologyInventors: Hor Gil Hur, Jung Ok Kim, Dae Hee Kim, No Sang Myung
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Publication number: 20100261926Abstract: A surface-modified nanodiamond includes a base nanodiamond, and at least one polyglycerol-chain-containing group present on at least a surface portion of the base nanodiamond, in which the polyglycerol-chain-containing group is represented by following Formula (1): —X—R ??(1) wherein X represents single bond, —NH—, —O—, —COO—, —PH(?O)O—, or —S—; and R represents a polyglyceryl group. X may be single bond or —NH—. The surface-modified nanodiamond is highly soluble or dispersible satisfactorily stably in water and/or polar organic solvents.Type: ApplicationFiled: April 6, 2010Publication date: October 14, 2010Inventors: Naoki KOMATSU, Masaaki Ito
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Publication number: 20100260927Abstract: In a method for functionalizing a carbon nanotube surface, the nanotube surface is exposed to at least one vapor including at least one functionalization species that non-covalently bonds to the nanotube surface, providing chemically functional groups at the nanotube surface, producing a functionalized nanotube surface. A functionalized nanotube surface can be exposed to at least one vapor stabilization species that reacts with the functionalization layer to form a stabilization layer that stabilizes the functionalization layer against desorption from the nanotube surface while providing chemically functional groups at the nanotube surface, producing a stabilized nanotube surface. The stabilized nanotube surface can be exposed to at least one material layer precursor species that deposits a material layer on the stabilized nanotube surface.Type: ApplicationFiled: June 22, 2010Publication date: October 14, 2010Applicant: PRESIDENT AND FELLOWS OF HARVARD COLLEGEInventors: Roy G. Gordon, Damon B. Farmer
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Publication number: 20100254917Abstract: There is disclosed a process for preparing organic nano-particles comprising the steps of: (a) preparing a solution comprising an unsaturated polyester and/or a vinyl ester resin and a hydrophobic monomer; (b) dispersing the solution obtained in step (a) in an aqueous phase to form a stable emulsion where the aqueous phase is the continuous phase; and (c) using an initiator to cure the emulsion obtained in step (b) in the presence of a water soluble inhibitor to form a dispersion of nano-particles. The invention further provides organic nano-particles obtainable by the process according to the invention; various uses of said nano-particles; such as in paper, dye, toner and personal care compositions and topical medicaments comprising said nano-particles.Type: ApplicationFiled: July 11, 2008Publication date: October 7, 2010Inventors: Matthias Jozef Gertruda Brouns, Joseph Petronella Friederichs, Johan Franz Gradus Antonius Jansen, Marco Marcus Matheus Driessen
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Publication number: 20100245808Abstract: An apparatus for detecting electromagnetic wave includes an electromagnetic wave sensor, a first electrode and a second electrode spaced from each other and electrically connected to the electromagnetic wave sensor, and a measuring device electrically connected to the first electrode and the second electrode. The electromagnetic wave sensor includes a carbon nanotube structure. The carbon nanotube structure includes a plurality of carbon nanotubes extending along a same direction from the first electrode to the second electrode. The measuring device is capable of measuring resistance of the carbon nanotube structure.Type: ApplicationFiled: August 6, 2009Publication date: September 30, 2010Applicants: Tsinghua University, HON HAI Precision Industry CO., LTD.Inventors: Lin Xiao, Yu-Ying Zhang, Kai-Li Jiang, Liang Liu, Shou-Shan Fan
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Publication number: 20100244864Abstract: A method for detecting an electromagnetic wave includes: providing a carbon nanotube structure including a plurality of carbon nanotubes arranged along a same direction. The carbon nanotube structure is irradiated by an electromagnetic wave to be measured. The resistance of the carbon nanotube structure irradiated by the electromagnetic wave is measured.Type: ApplicationFiled: September 9, 2009Publication date: September 30, 2010Applicants: Tsinghua University, HON HAI Precision Industry CO., LTD.Inventors: Lin Xiao, Yu-Ying Zhang, Kai-Li Jiang, Liang Liu, Shou-Shan Fan
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Publication number: 20100237443Abstract: Provided is an organic thin film transistor, method of forming the same, and a memory device employing the same. The organic thin film transistor includes a substrate, a source electrode and a drain electrode on the substrate, an active layer on the substrate between the source electrode and the drain electrode, a gate electrode controlling the active layer, and an organic dielectric layer between the active layer and the gate electrode. The organic dielectric layer includes nanoparticles, a hydrophilic polymer surrounding the nanoparticles, and a hydrophobic polymer.Type: ApplicationFiled: July 28, 2009Publication date: September 23, 2010Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Yong-Young NOH, In-Kyu YOU, Jae Bon KOO
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Publication number: 20100240900Abstract: The carbon nanomaterials and methods relate to methods for causing carbon nanospheres to be readily dispersible in a material. The carbon nanospheres are rendered dispersible using a cationic surfactant. The surfactant includes one or more cationic group that can bond to the surface of the carbon nanospheres, without detrimentally affecting the unique properties of carbon nanospheres. The dispersible carbon nanospheres can be dried (i.e., solvent is driven off) while maintaining their dispersibility in solvents and other materials.Type: ApplicationFiled: March 23, 2009Publication date: September 23, 2010Applicant: HEADWATERS TECHNOLOGY INNOVATION, LLCInventors: Cheng Zhang, Gaurang Bhargava, Bing Zhou
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Publication number: 20100221351Abstract: In accordance with certain embodiments of the present disclosure, A method for intracellular delivery of cytotoxin in combination with cyoablation is provided. The method includes encapsulation of one or more cytotoxins in a thermally responsive nanocapsule by decreasing the temperature of the nanocapsule to increase the permeability of the nanocapsule whereby the one or more cytotoxins are sucked into or diffuse into the nanocapsule. The temperature of the nanocapsule is increased and the nanocapsule is delivered into a cell. Cryoablation is performed in proximity to the cell resulting in the release of the one or more cytotoxins from the nanocapsule into the cell.Type: ApplicationFiled: March 1, 2010Publication date: September 2, 2010Applicant: UNIVERSITY OF SOUTH CAROLINAInventor: Xiaoming He
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Publication number: 20100221224Abstract: The present invention is directed to a composition useful for making homogeneously mineralized self assembled peptide-amphiphile nanofibers and nanofiber gels. The composition is generally a solution comprised of a positively or negatively charged peptide-amphiphile and a like signed ion from the mineral. Mixing this solution with a second solution containing a dissolved counter-ion of the mineral and/or a second oppositely charged peptide amphiphile, results in the rapid self assembly of the peptide-amphiphiles into a nanofiber gel and templated mineralization of the ions. Templated mineralization of the initially dissolved mineral cations and anions in the mixture occurs with preferential orientation of the mineral crystals along the fiber surfaces within the nanofiber gel. One advantage of the present invention is that it results in homogenous growth of the mineral throughout the nanofiber gel.Type: ApplicationFiled: June 22, 2009Publication date: September 2, 2010Applicant: NORTHWESTERN UNIVERSITYInventors: Samuel I. STUPP, Elia BENIASH, Jeffrey D. HARTGERINK
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Patent number: 7771751Abstract: The present invention provides compositions comprising a poorly water soluble pharmaceutical agent, a carrier protein, and an antimicrobial agent, wherein significant microbial growth is inhibited in the composition. The amount of the antimicrobial agent in the composition may be below the level that induces a toxicological effect or at a level where a potential side effect can be controlled or tolerated. Also provided are compositions comprising a poorly water soluble pharmaceutical agent, a carrier protein, a sugar, and optionally an antimicrobial agent. Methods of using the compositions are also provided.Type: GrantFiled: August 30, 2006Date of Patent: August 10, 2010Assignee: Abraxis Bioscience, LLCInventors: Neil P. Desai, Raj Selvaraj, Andrew Yang, Patrick Soon-Shiong
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Publication number: 20100197039Abstract: A fluorescence sensory material with high sensitivity, selectivity, and photostability has been developed for vapor probing of organic amines. The sensory material is a perylene-3,4,9,10-tetracarboxyl compound having amine binding groups and the following formula where A and A? are independently chosen from N—R1, N—R2, and O such that both A and A? are not O, and R1 through R10 are amine binding moieties, solubility enhancing groups, or hydrogen such that at least one of R1 through R10 is an amine binding moiety. This perylene compound can optionally be formed into well-defined nanofibers. Upon deposition onto a substrate, the entangled nanofibers form a meshlike, highly porous film, which enables expedient diffusion of gaseous analyte molecules within the film matrix, leading to a milliseconds response for vapor sensing.Type: ApplicationFiled: January 29, 2010Publication date: August 5, 2010Inventors: Ling Zang, Yanke Che
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Publication number: 20100183721Abstract: The present invention includes compositions and methods for making and using a rapid dissolving, high potency, substantially amorphous nanostructured aggregate for pulmonary delivery of tacrolimus and a stabilizer matrix comprising, optionally, a polymeric or non-polymeric surfactant, a polymeric or non-polymeric saccharide or both, wherein the aggregate comprises a surface area greater than 5 m2/g as measured by BET analysis and exhibiting supersaturation for at least 0.5 hours when 11-15-times the aqueous crystalline solubility of tacrolimus is added to simulated lung fluid.Type: ApplicationFiled: January 10, 2008Publication date: July 22, 2010Applicant: Board of Regents, The University of Texas SystemInventors: Robert O. Williams, Keith P. Johnston, Prapasri Sinswat, Jason T. McConville, Robert Talbert, Jay I. Peters, Alan B. Watts, True L. Rogers
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Patent number: 7759308Abstract: Disclosed are microparticles comprising a somatostatin analogue embedded in a biocompatible pharmacologically acceptable polymer matrix for a long acting release and pharmaceutical compositions comprising such microparticles.Type: GrantFiled: November 12, 2004Date of Patent: July 20, 2010Assignee: Novartis AGInventors: Markus Ahlheim, Michael Ausborn, Olivier Lambert, Marc Riemenschnitter
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ULTRASONIC NANOTHERAPY OF SOLID TUMORS WITH BLOCK COPOLYMERS STABILIZED PERFLUOROCARBON NANODROPLETS
Publication number: 20100178305Abstract: Described herein are methods of treating a tumor by contacting the tumor with a therapeutic agent encapsulated in a first nanoemulsion and exposing the tumor to a first ultrasonic radiation of less than 300 kHz to the tumor. In some aspects, the tumor can be contacted with a second nanoemulsion. In some aspects, the second emulsion can be injected directly into the tumor via intratumoral injection before exposing the tumor to the first ultrasonic radiation. In some aspects, the tumor is exposed to a second ultrasonic radiation from about 1 to 5 MHz after the first ultrasonic radiation. The methods described herein can be used to treat numerous tumors including, but not limited to, multidrug resistant tumors and inoperable tumors. These tumors may include, but are not limited to, breast cancers, ovarian cancers, pancreatic cancers, or any combination thereof.Type: ApplicationFiled: December 7, 2009Publication date: July 15, 2010Applicant: UNIVERSITY OF UTAH RESEARCH FOUNDATIONInventor: Natalya (Natalia) RAPOPORT -
Publication number: 20100172961Abstract: The present invention provides compositions and methods for creating encapsulated peptide amphiphilic nanostructures useful in treating diseases. In particular, the present invention provides compositions and methods for preparing peptide amphiphile nanostructures that are encapsulated in liposomes by the application of light, and using such compositions in treating diseases, such as cancer.Type: ApplicationFiled: October 24, 2007Publication date: July 8, 2010Applicant: Northwestern UniversityInventors: Hyung-Kun Lee, Stephen Soukasene, Samuel I. Stupp
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Patent number: 7750130Abstract: Provided is the azobenzene derivative denoted by general formula (I). In general formula (I), R1 denotes a hydrogen atom or the like; Ar1 and Ar2 each independently denote an arylene group optionally comprising a substituent R or an aromatic heterocycle optionally comprising a substituent R, wherein Ar1 and Ar2 which are bonded through an azo group comprise at least two substituents denoted by R in total and multiple atoms and/or substituents denoted by R may be identical or different; R denotes a halogen atom or the like; X denotes an alkylene group optionally comprising a hetero atom; X1 denotes —NH— or the like; Y denotes a hydrogen atom or the like; a denotes an integer ranging from 0 to 2; and m and n each independently denote an integer ranging from 1 to 8.Type: GrantFiled: May 10, 2007Date of Patent: July 6, 2010Assignee: RikenInventors: Mina Han, Masahiko Hara
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Patent number: 7749407Abstract: There is provided a transparent conductor including conductive nanoparticles and at least one of (a) a fluorinated acid polymer and (b) a semiconductive polymer doped with a fluorinated acid polymer. The nanoparticles are carbon nanoparticles, metal nanoparticles, or combinations thereof. The carbon and metal nanoparticles are selected from nanotubes, fullerenes, and nanofibers. The acid polymers are fluorinated or highly fluorinated and have acidic groups including carboxylic acid groups, sulfonic acid groups, sulfonimide groups, phosphoric acid groups, phosphonic acid groups, and combinations thereof. The semiconductive polymers comprise homopolymers and copolymers derived from monomers selected from substituted and unsubstituted thiophenes, pyrroles, anilines, and cyclic heteroaromatics, and combinations of those. The compositions may be used in organic electronic devices (OLEDs).Type: GrantFiled: June 28, 2006Date of Patent: July 6, 2010Assignee: E.I. du Pont de Nemours and CompanyInventors: Che-Hsiung Hsu, Hjalti Skulason
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Publication number: 20100148156Abstract: A method for producing nanoparticle/block copolymer composites is provided. The method includes mixing nanoparticles having an organic ligand L and a block copolymer A-b-B having block repeating units A and B with different solubility parameters in a solvent S to form micelles by self-assembly. The solubility parameters of the organic ligand L, the block repeating units A and B of the block copolymer A-b-B and the solvent S satisfy the following inequalities: 29??S??A??(1) ?S??B?29??(2) |?L??A|?5 or |?L??B|?5??(3) in which ?S, ?A, ?B and ?L represent the solubility parameters of the solvent S, the block repeating unit A, the block repeating unit B and the ligand L, respectively. According to the method, the inherent electrical, magnetic, optical, chemical and mechanical properties of the nanoparticles can be maintained or improved without the need to modify the surface of the nanoparticles.Type: ApplicationFiled: July 6, 2009Publication date: June 17, 2010Applicants: Samsung Electronics Co., Ltd., SEOUL NATIONAL UNIVERSITY R & DB FOUNDATIONInventors: Eun Joo Jang, Kook Heon Char
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Publication number: 20100148049Abstract: A method for estimating a chemical composition of a material in a borehole penetrating the earth, the method includes: placing an analysis unit into the borehole; placing a sample of the material onto an enhanced surface of the analysis unit, the enhanced surface having a feature configured to increase an electric susceptibility of the sample at an interface between the sample and the enhanced surface; illuminating the sample at the interface with a first light beam and a second light beam; measuring sum frequency light generated from the illuminating; and analyzing the sum frequency light to estimate the chemical composition of the material.Type: ApplicationFiled: December 7, 2009Publication date: June 17, 2010Applicant: BAKER HUGHES INCORPORATEDInventor: Sebastian Csutak
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Publication number: 20100141265Abstract: Methods and systems that include a nanotube used as an emitter in the testing and fabrication of integrated circuits. The nanotube emits a signal to a substrate. Based on the signal or the electrical properties, e.g., current induced in the substrate by the signal, the region of the substrate is characterized. The characterization includes topology of the region of the substrate such as determining whether a recess in the substrate has a proper depth or other dimensions or characteristics of the substrate.Type: ApplicationFiled: February 12, 2010Publication date: June 10, 2010Inventors: Gurtej S. Sandhu, Neal R. Rueger
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Publication number: 20100136129Abstract: The invention relates to nanoparticles comprising a biodegradable polymer, a cyclodextrin or a derivative thereof, and a biologically active molecule. Said nanoparticles can associate large amounts of biologically active molecules, especially of a hydrophobic nature, and release the biologically active molecule providing sustained and constant plasma levels thereof when they are administered orally or through any other mucosa of the organism.Type: ApplicationFiled: April 18, 2008Publication date: June 3, 2010Applicant: INSTITUTO CIENTÍFICO Y TECNOLÓGICO DE NAVARRA, S.AInventors: Maite Agüeros Bazo, Hesham H.A. Salman, Juan Manuel Irache Garreta, Miguel Angel Campanero Martínez
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Publication number: 20100137557Abstract: Compositions and methods for decreasing the viability of cells, particularly aberrant non-healthy cells, and most particularly cancer cells, are disclosed. The primary agent that causes cell death is a toxic metal atom or ion. Embodiments of the invention provide compositions and methods to ensure that the toxic metal is directed to the desired cell or tissue. In one embodiment, the metal is bound to a sulfur-rich peptide or protein carrier containing a targeting moiety. Such metal-protein complex is targeted to the selected cells or tissues to enrich the cell or tissue site with the metal-containing peptide or protein molecules followed by administering a dithiocarbonyl which carries the metal from the protein inside the cells to induce cell death.Type: ApplicationFiled: October 22, 2009Publication date: June 3, 2010Applicant: CanCure Laboratories LLCInventor: Zoltan KISS
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Patent number: 7708909Abstract: The present invention relates generally to thermally-conductive pastes for use with integrated circuits, and particularly, but not by way of limitation, to self-orienting microplates of graphite.Type: GrantFiled: February 28, 2008Date of Patent: May 4, 2010Assignee: International Business Machines CorporationInventors: Gareth Hougham, Paul A. Lauro, Brian R. Sundlof, Jeffrey D. Gelorme
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Patent number: 7671113Abstract: The present invention discloses a method for the manufacture of nanoscale particles of Styrene Butadiene Rubber (SBR). As SBR particles are elastic in nature, conventional methods of size reductions such as impacting, grinding are unable to achieve the final size. The present invention successfully achieves size reduction of the elastic material to nano scale by carefully controlled hydrodynamic cavitation techniques.Type: GrantFiled: January 3, 2008Date of Patent: March 2, 2010Assignee: University Institute of Chemical TechnologyInventors: Aniruddha B. Pandit, Mohan Narayan Patil
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Publication number: 20100037955Abstract: A nanoscale pigment particle composition includes an organic benzimidazolone pigment, and a sterically bulky stabilizer compound, wherein the benzimidazolone pigment associates non-covalently with the sterically bulky stabilizer compound that is an alkylated derivative of an aromatic acid; and the presence of the associated stabilizer limits the extent of particle growth and aggregation, to afford nanoscale pigment particles.Type: ApplicationFiled: October 19, 2009Publication date: February 18, 2010Applicants: XEROX CORPORATION, NATIONAL RESEARCH COUNCIL OF CANADAInventors: Rina CARLINI, Darren Andrew MAKEIFF
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Publication number: 20100043108Abstract: In a tip having a carbon nanotube tip used to a scanning probe microscope, its length of the tip is adjusted in a several order of 10 nm and the tip maintains cylindrical shape up to the extremity portion.Type: ApplicationFiled: October 31, 2008Publication date: February 18, 2010Inventors: Motoyuki Hirooka, Makoto Okai, Takafumi Morimoto, Satoshi Sekino, Hiroki Tanaka, Masato Takashina, Yuuki Uozumi
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Publication number: 20100025877Abstract: Process for the production of moldings from nanoporous polymer materials, comprising the stages of a) preparation of a multiphase polymer mixture with domains in the range from 5 to 200 nm, b) impregnation of the polymer mixture with a blowing agent, where the solubility of the blowing agent in the phase forming the domains is at least twice as high as in the adjacent phases, c) expansion of the multiphase polymer mixture comprising blowing agent, by introducing the polymer mixture into a cavity and expanding it therein, thus obtaining the molding.Type: ApplicationFiled: June 27, 2007Publication date: February 4, 2010Applicant: BASF AKTIENGESELLSCHAFTInventors: Andre Guerin Moreira, Marc Bothe, Volker Schädler, Markus Allmendinger, Pedro Manuel Sampaio Lopes, Bernd Sowart, Timothy Francis, Erik Wassner, Christian Schade, Daniela Longo, Siljana Lietz, Volker Alstädt, Jan Sandler
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Publication number: 20100015195Abstract: Novel injectable depot compositions are provided comprising at least one active agent(s) optionally with one or more pharmaceutically acceptable excipient(s) in the form of a multi-component system preferably comprising at least two components which when administered to a subject in need thereof forms an in situ gel depot or implant at the site of injection upon contact with body fluids. Also described are process for preparation of such compositions and method of using such compositions.Type: ApplicationFiled: October 3, 2007Publication date: January 21, 2010Inventors: Rajesh Jain, Kour Chand Jindal, Sampath Kumar Devarajan
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Publication number: 20100016548Abstract: A self-assembling peptide containing a polar amino acid residue and a nonpolar amino acid residue, wherein the self-assembling peptide contains an acidic amino acid residue and a basic amino acid residue as the polar amino acid residues, a total sum of charge of the acidic amino acid residue and charge of the basic amino acid residue in a neutral region is the number excluding 0, and the self-assembling peptide is capable of forming a beta (?)-sheet structure in which only the nonpolar amino acid residue is arranged on one face upon self-assembly in an aqueous solution.Type: ApplicationFiled: June 26, 2006Publication date: January 21, 2010Inventors: Hidenori Yokoi, Takatoshi Kinoshita
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Publication number: 20090317479Abstract: Drug-containing nanoparticles are provided that enable effective targeting and sustained-release of a water-soluble, non-peptide, low-molecular weight drug and cause reduced accumulation of the drug in the liver. The nanoparticles containing a water-soluble, non-peptide, low-molecular weight drug are obtained by hydrophobicizing the water-soluble, non-peptide, low-molecular weight drug by a metal ion, and reacting the hydrophobicized drug with a poly(lactic acid)-polyethylene glycol block copolymer or a poly(lactic-co-glycolic acid)-polyethylene glycol block copolymer. The nanoparticles have favorable targeting and sustained-release properties and cause reduced accumulation of the drug in the liver.Type: ApplicationFiled: November 29, 2006Publication date: December 24, 2009Inventors: Tsutomu Ishihara, Yutaka Mizushima, Ayoko Mizushima
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Publication number: 20090312180Abstract: This invention relates to the preparations of noble metal catalysts, i.e., platinum and platinum alloys, on suitable supports with nanonetwork structures and high catalytic efficiencies. A compact structure of a monolayer or a few layers is formed by self-assembly of organic polymer, e.g., polystyrene (PS), nanospheres or inorganic, i.e., silicon dioxide (SiO2), nanospheres on a support surface. In the void spaces of such a compact arrangement, catalyst is formed by filling with catalyst metal ion-containing aqueous solution and reduced by chemical reduction, or formed by vacuum sputtering. When using organic polymer nanospheres as the starting or structure-directing material, the polymer particles are removed by burning at a high temperature and the catalyst having a nanonetwork structure is obtained.Type: ApplicationFiled: April 22, 2005Publication date: December 17, 2009Applicant: INSTITUTE OF NUCLEAR ENERGY RESEARCHInventors: Chun Ching Chien, King Tsai Jeng, Shean Du Chiou, Su Hsine Lin
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Patent number: 7633080Abstract: Numerous embodiments of a method to assemble nano-materials on a platform are described. In one embodiment, a nano-material is functionalized with a first bondable group. The functionalized nano-material is disposed on an assembly platform having an electrode to form a first layer. Additional layers of the nano-material may be formed above the first layer to form a semiconductor device. In one embodiment, the nano-material may be a carbon nanotube.Type: GrantFiled: September 22, 2006Date of Patent: December 15, 2009Assignee: Intel CorporationInventor: Valery M. Dubin
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Publication number: 20090280325Abstract: Apparatuses and methods for the production of superfine fibers.Type: ApplicationFiled: March 16, 2009Publication date: November 12, 2009Inventors: Karen Lozano, Kamalaksha Sarkar
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Publication number: 20090280593Abstract: A method can be adapted for design and preparation of a matrix nanocomposite sensing film for hydrogen sulphide SAW/BAW detection at room temperature. A matrix nanocomposite can be synthesized by incorporating both single-wall and multi-wall thiolated carbon nanotubes into conductive organic polymers or ceramic nanocrystalline in a properly functionalized manner. A thin organic sensing film can be prepared based on the matrix nanocomposite. The matrix nanocomposite sensing film can be prepared on a surface of a SAW/BAW device by an additive process or a direct printing process. Finally, the sensing film can be consolidated by thermal annealing or laser annealing under ambient conditions in order to obtain the stable sensing film with higher sensitivity and electrical properties for a SAW/BAW based H2S sensor.Type: ApplicationFiled: May 7, 2008Publication date: November 12, 2009Inventors: Bogdan-Catalin Serban, Stefan I. Voicu, Stefan-Dan Costea, Cornel P. Cobianu
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Publication number: 20090226748Abstract: The invention provides a process for preparing organic nanoparticles comprising the steps of: (a) preparing a solution comprising an unsaturated polyester and/or a vinyl ester resin, an initiator and a hydrophobic monomer; (b) emulsifying the solution obtained in step (a) in an aqueous phase; and thereafter (c) curing the emulsified solution. The invention further provides organic nanoparticles obtainable by the process according to the invention; various uses of said nanoparticles; and paper, dye compositions and toner compositions comprising said nanoparticles.Type: ApplicationFiled: July 12, 2007Publication date: September 10, 2009Inventors: Matthias Jozef Gertruda Brouns, Joseph Petronella Friederichs, Johan Franz Gradus Antonius Jansen, Marco Marcus Matheus Driessen
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Publication number: 20090227784Abstract: The present invention relates a processing method for nano-miniaturizing chitosan of modifying property, which degrades the chitosan of high molecular weight down to the chitosan of middle and low molecular weight, then primarily nano-miniaturizes the interim chitosan by quaternary ammonium salt/synthesis, finally yield the nano-miniaturized chitosan of modified property by sol-gel method to have features in good biocompatibility and bioactivity to be served as additive material in products of cosmetics, medical treatment, hygiene, health care, biomedicine, agriculture, textile, food and so like so that not only the antiseptic, moisture-retentive and deodorizing capabilities can be promoted but also the processing cost can be reduced due to easiness of the mass production.Type: ApplicationFiled: December 31, 2008Publication date: September 10, 2009Applicant: Acelon Chemical and Fiber CorporationInventors: Wen-Tung Chou, Ming-Yi Lai, Kun-Shan Huang, Wei-Chun Chen
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Publication number: 20090226707Abstract: The present invention provides a pressure-sensitive adhesive composition, which comprises a pressure-sensitive adhesive, a carbon nano material and a conducting polymer, the carbon nano material and the conducting polymer being dispersed in the pressure-sensitive adhesive, and a pressure-sensitive adhesive sheet, which comprises a substrate sheet and a pressure-sensitive adhesive layer composed of the pressure-sensitive adhesive composition of the present invention, the pressure-sensitive adhesive layer being formed on one surface or both surfaces of the substrate sheet. The pressure-sensitive adhesive composition and the pressure-sensitive adhesive sheet are superior in the antistatic property or the conductive property.Type: ApplicationFiled: March 3, 2009Publication date: September 10, 2009Applicant: LINTEC CORPORATIONInventors: Satoshi NAGANAWA, Mikihiro Kashio
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Publication number: 20090227711Abstract: Encapsulated nanoscale particles of organic pigments include a polymer-based encapsulating material, and one or more nanoscale organic pigment particles encapsulated by the polymer-based encapsulating material.Type: ApplicationFiled: March 9, 2009Publication date: September 10, 2009Applicant: XEROX CORPORATIONInventors: Rina CARLINI, Roger E. GAYNOR, Paul F. SMITH
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Publication number: 20090220786Abstract: Methods for modulated degenerative transfer living polymerization and isotactic-atactic stereoblock and stereogradient poly(olefins) thereby Abstract A method of producing a multiblock, stereoblock polyolefin having substantially uniform microstructure is disclosed. The method includes contacting a Ziegler-Natta pre-catalyst with a co-catalyst and an olefin to polymerize the olefin and form a first stereoblock, adding a methyl donator that changes the stereoregularity of the polymerization, and polymerizing the olefin to form a second stereoblock. The methods of the present invention allow for the production of poly(olefin)s having predictable degrees of incorporation of stereoerrors of a known type. The methods allows for the production of a variety of poly(olefin) microstructures, ranging from stereoblock to stereogradient poly(olefin)s and poly(olefin)s having fully isotactic to fully atactic microstructures.Type: ApplicationFiled: March 17, 2006Publication date: September 3, 2009Inventors: Lawrence R. Sita, Matthew B. Harney, Yonghui Zhang
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Publication number: 20090221414Abstract: The invention relates to ceramic slurry from which ductile ceramic fibrous composites can be produced. They can be stretched under tension without any of the brittleness typical for ceramic materials occurring.Type: ApplicationFiled: March 8, 2007Publication date: September 3, 2009Inventors: Walther Glaubitt, Arne Rudinger
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Patent number: 7576027Abstract: Methods for forming compositions including carbide-containing nanorods and/or oxycarbide-containing nanorods and/or carbon nanotubes bearing carbides and oxycarbides. Rigid porous structures including oxycarbide-containing nanorods and/or carbide containing nanorods and/or carbon nanotubes bearing modified carbides and oxycarbides and methods of making the same are also provided. The compositions and rigid porous structures of the invention can be used either as catalyst and/or catalyst supports in fluid phase catalytic chemical reactions. Processes for making supported catalyst for selected fluid phase catalytic reactions are also provided.Type: GrantFiled: December 8, 2006Date of Patent: August 18, 2009Assignee: Hyperion Catalysis International, Inc.Inventors: Jun Ma, David Moy
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Publication number: 20090186276Abstract: This invention provides a hybrid nano-filament composition for use as a cathode active material. The composition comprises (a) an aggregate of nanometer-scaled, electrically conductive filaments that are substantially interconnected, intersected, or percolated to form a porous, electrically conductive filament network, wherein the filaments have a length and a diameter or thickness with the diameter or thickness being less than 500 nm; and (b) micron- or nanometer-scaled coating that is deposited on a surface of the filaments, wherein the coating comprises a cathode active material capable of absorbing and desorbing lithium ions and the coating has a thickness less than 10 ?m, preferably less than 1 ?m and more preferably less than 500 nm. Also provided is a lithium metal battery or lithium ion battery that comprises such a cathode. Preferably, the battery includes an anode that is manufactured according to a similar hybrid nano filament approach.Type: ApplicationFiled: January 18, 2008Publication date: July 23, 2009Inventors: Aruna Zhamu, Bor Z. Jang
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Publication number: 20090130214Abstract: The invention concerns a 2?,2?-difluoro-2?-deoxycytidine derivative of general formula (I), wherein: R1, R2 and R3, identical or different, represent independently of one another, a hydrogen atom or an at least C18 hydrocarbon acyl radical and of such conformation that it is capable of providing the compound of general formula (I), a compacted form in a polar solvent medium, at least one of groups R1, R2 and R3 being other than a hydrogen atom.Type: ApplicationFiled: June 23, 2005Publication date: May 21, 2009Inventors: Patrick Couvreur, Barbara Stella, Luigi Cattel, Flavio Rocco, Jack-Michel Renoir, Veronique Rosilio
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Publication number: 20090117386Abstract: A composite cover for dust, dirt and incidental moisture protection over an extended temperature range, EMI shielding to prevent radiation of internal circuit energy and preventing the entrance of external EMI. Also the cover provides mechanical strength and protection of circuitry and radiates heat created by internal circuitry. The cover provides lower levels of radiated emissions and improved resistance to incident external radiation. Electric and magnetic shielding is also provided.Type: ApplicationFiled: April 2, 2008Publication date: May 7, 2009Applicant: HONEYWELL INTERNATIONAL INC.Inventors: David C. Vacanti, James Stevenson
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Patent number: 7527779Abstract: A vapor grown carbon fiber, each fiber filament of the carbonfiber having a branching degree of at least 0.15 occurrences/?m and a bulk density of 0.025 g/cm3 or less and a producing method of the carbon fiber by spraying a raw material solution containing a carbon source and a transition metallic compound into a reaction zone and subjecting the raw material solution to thermal decomposition, which is characterized in (1) spraying the raw material solution at a spray angle of 3° to 30° and (2) feeding a carrier gas through at least one site other than an inlet through which the raw material solution is sprayed, and a composite material comprising the carbon fiber.Type: GrantFiled: November 10, 2003Date of Patent: May 5, 2009Assignee: Showa Denko K.K.Inventors: Kotaro Yano, Masaharu Toki, Hitoshi Inoue, Tomoaki Yoshida, Eiji Kanbara
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Publication number: 20090098040Abstract: There is provided a fluorine storage material comprising a novel fluorinated carbon nanohorn, which stores a large amount of fluorine per its unit mass, withstand repeated use for fluorine storage, and enables a high purity fluorine gas to be taken out by a safe and efficient method, and also there is provided a method of taking out a fluorine gas by applying heat to the fluorine storage material or placing the fluorine storage material in a pressure-reduced atmosphere.Type: ApplicationFiled: December 26, 2006Publication date: April 16, 2009Applicant: Daikin Industries, Ltd.Inventors: Hidekazu Touhara, Yoshio Nojima, Tomohiro Isogai
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Publication number: 20090038858Abstract: A bit for drilling subterranean formations that includes a bit body including a bearing surface; a cutting structure mounted on the bit body, and including a bearing surface, and an annular seal for retaining a grease between the bearing surfaces, the annular seal comprising a flexible and resilient seal body formed from an elastomer composition, wherein the elastomer composition comprises an elastomer material, a curing agent, and 10% or less by volume of a nanomaterial additive selected from one of nanotubes and clustered nanodiamonds is disclosed.Type: ApplicationFiled: August 4, 2008Publication date: February 12, 2009Applicant: SMITH INTERNATIONAL, INC.Inventors: Anthony Griffo, Madapusi K. Keshavan