Inorganic Base Patents (Class 427/443.2)
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Publication number: 20120227936Abstract: A heat-dissipating unit having a hydrophilic compound film and a method for depositing a hydrophilic compound film are disclosed. The heat-dissipating unit includes a metallic body having a chamber and a working fluid. The chamber has a liquid-guiding structure constituted of an evaporating portion, a condensing portion and a connecting portion. At least one hydrophilic compound film is coated on surfaces of the chamber and the liquid-guiding structure. By this arrangement, the flowing of the working fluid in the heat-dissipating unit is enhanced to improve the heat-conducting efficiency of the heat-dissipating unit.Type: ApplicationFiled: March 11, 2011Publication date: September 13, 2012Inventor: Hsiu-Wei Yang
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Patent number: 8247036Abstract: A method for making a coaxial cable, the method comprises the steps of: providing a carbon nanotube structure; and forming at least one conductive coating on a plurality of carbon nanotubes of the carbon nanotube structure; a carbon nanotube wire-like structure from the carbon nanotubes with at least one conductive coating; at least one layer of insulating material on the carbon nanotube wire-like structure; at least one layer of shielding material on the at least one layer of insulating material; and one layer of sheathing material on the at least one layer of shielding material.Type: GrantFiled: January 22, 2009Date of Patent: August 21, 2012Assignees: Tsinghua University, Hon Hai Precision Industry Co., Ltd.Inventors: Kai-Li Jiang, Liang Liu, Kai Liu, Qing-Yu Zhao, Yong-Chao Zhai, Shou-Shan Fan
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Patent number: 8247038Abstract: This application relates to a process for the application of thin layers of substantially pure spin transition molecular materials while maintaining the hysteresis properties of the material. The process makes it possible to obtain a dense uniform surface with very low roughness.Type: GrantFiled: February 19, 2007Date of Patent: August 21, 2012Assignees: Centre National de la Recherche Scientifique (C.N.R.S), Universitat de ValenciaInventors: Azzedine Bousseksou, Gabor Molnar, Saioa Cobo, Lionel Salmon, José Antonio Real Cabezos, Christophe Vieu
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Patent number: 8241709Abstract: A method for producing an electrode having immobilized ?-conjugated ligands is provided. The method includes bringing an aqueous solution into contact with an electrically conductive base material, the aqueous solution including ?-conjugated ligands and at least one of (i) a surfactant, and (ii) a water-soluble molecule having a structure different from that of the ?-conjugated ligands, the water-soluble molecule having a ?-conjugated structure, and immobilizing the ?-conjugated ligands on the base material.Type: GrantFiled: December 17, 2008Date of Patent: August 14, 2012Assignee: Canon Kabushiki KaishaInventor: Wataru Kubo
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Patent number: 8227016Abstract: The present invention provides a method of applying a drug-polymer coating on a stent. A stent framework is dipped into a first polymeric solution including a first polymer, a first therapeutic agent, and a first solvent. The polymeric solution is dried and the first polymer is cured to form a thin drug-polymer layer on the stent framework. The steps of dipping the stent framework into the first polymeric solution, drying the first polymeric solution, and curing the first polymer are repeated until a target drug-polymer coating thickness is disposed on the stent framework. A drug-polymer coated stent including a stent framework and a laminated drug-polymer coated stent, a system for treating a vascular condition, and a method of treating a vascular condition are also disclosed.Type: GrantFiled: May 18, 2010Date of Patent: July 24, 2012Assignee: Medtronic Vascular, Inc.Inventors: Ronan Thornton, Finbar Dolan
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Publication number: 20120156515Abstract: A stain resistant, oil and water repellent copolymer comprising a copolymer prepared from fluorinated (meth)acrylate and amine salts of (meth)acrylic acid, and a method of providing stain resistance, oil and water repellency to substrates and a treated substrate.Type: ApplicationFiled: November 21, 2011Publication date: June 21, 2012Applicant: E.I. DU PONT DE NEMOURS AND COMPANYInventors: Siddhartha Shenoy, Joel M. Pollino, Anilkumar Raghavanpillai, Brad M. Rosen, John Russell Crompton, JR.
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Patent number: 8158199Abstract: A method for making an individually coated and twisted carbon nanotube wire-like structure, the method comprising the steps of: providing a carbon nanotube structure having a plurality of carbon nanotubes; forming at least one conductive coating on the plurality of carbon nanotubes in the carbon nanotube structure; and twisting the carbon nanotube structure.Type: GrantFiled: January 22, 2009Date of Patent: April 17, 2012Assignees: Tsinghua University, Hon Hai Precision Industry Co., Ltd.Inventors: Kai-Li Jiang, Liang Liu, Kai Liu, Qing-Yu Zhao, Yong-Chao Zhai, Shou-Shan Fan
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Patent number: 8133842Abstract: A method of manufacturing an emissions treatment device for an internal combustion engine includes disposing washcoated fibers between layers of a porous substrate to form multiple substantially parallel layers with a first group of layers at least partially open along the entire length of the layer. The porous substrate may be a stainless steel mesh with the method further including washcoating the substrate prior to disposing the washcoated fibers between the layers.Type: GrantFiled: October 21, 2010Date of Patent: March 13, 2012Assignee: Ford Global Technologies, LLCInventors: Ray Willey, Bret A. Zimmerman, David J. Kubinski, Diana D. Brehob
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Patent number: 8128983Abstract: Methods for fabricating coatings for implantable medical devices are disclosed. The method comprises forming a coating on an implantable device comprising an interpenetrating network or semi-interpenetrating network. The interpenetrating network or semi-interpenetrating network comprises poly(ethylene glycol) and an aliphatic polyester copolymer. It is also provided an implantable device and a method of using the implantable device.Type: GrantFiled: April 11, 2008Date of Patent: March 6, 2012Assignee: Abbott Cardiovascular Systems Inc.Inventors: Mikael Trollsas, Florencia Lim, Syed F. A. Hossainy
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Patent number: 8124191Abstract: An apparatus for single-sided bilayer formation includes a first fluid chamber including a sidewall and a second fluid chamber extending through the sidewall. A barrier wall separates the first and second fluid chambers and includes a nanopore therein across which a planar lipid bilayer (PLB) is formed. In use, an electrolyte is added to the first and second fluid chambers and a lipid/organic solvent mixture is added to the first fluid chamber to form a lipid/organic solvent layer. The electrolyte level within the first fluid chamber is adjusted such that the lipid layer is raised above the barrier wall and a PLB is formed. Electrolyte levels may be adjusted manually or utilizing a fluid level regulator with or without feedback control. Optionally, the apparatus may be in the form of a nanopore array. The apparatus may be incorporated into an ion channel sensing system wherein an electrical current through each PLB is separately recorded.Type: GrantFiled: December 1, 2008Date of Patent: February 28, 2012Assignee: Electronic Bio Sciences, LLCInventors: Eric N. Ervin, Geoffrey Alden Barrall
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Publication number: 20120040577Abstract: Provided are superhydrophobic coatings, devices and articles including superhydrophobic coatings, and methods for preparing the superhydrophobic coatings. The exemplary superhydrophobic device can include a substrate component and one or more superhydrophobic coatings disposed over the substrate component, wherein at least one of the one or more superhydrophobic coatings has a water contact angle of at least about 150° and a contact angle hysteresis of less than about 1°. The one or more superhydrophobic coatings can include an ultra high water content acid catalyzed polysilicate gel, the polysilicate gel including a three dimensional network of silica particles having surface functional groups derivatized with a silylating agent and a plurality of pores.Type: ApplicationFiled: June 30, 2009Publication date: February 16, 2012Inventors: David J. Kissel, Charles Jeffrey Brinker
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Patent number: 8092585Abstract: The present invention provides a dense-coverage, adherent phosphorous-based coating on the native oxide surface of a material. Disclosed phosphorous-based coatings include phosphate and organo-phosphonate coatings. The present invention also provides further derivatization of the phosphorous-based coatings to yield dense surface coverage of chemically reactive coatings and osteoblast adhesion-promoting and proliferation-promoting coatings on the native oxide surface of a titanium material.Type: GrantFiled: October 19, 2010Date of Patent: January 10, 2012Assignee: The Trustees of Princeton UniversityInventors: Jeffrey Schwartz, Michael J. Avaltroni, Kim S. Midwood, Jean E. Schwarzbauer, Ellen Gawalt
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Publication number: 20110274913Abstract: One embodiment of the present invention provides a method for forming a nanoparticle film, which comprises the steps of: preparing a nanoparticle solution, which comprises a solvent and supersaturated nanoparticles with surface ligand molecules; and dip coating a substrate to the nanoparticle solutions to form a first monolayer of the nanoparticles on the substrate, the first monolayer and repeatedly formed monolayers on top of the first monolayer constructing the nanoparticle film. Another embodiment of the present invention provides a nanoparticle film, comprising a first monolayer consisted of a two-dimensional nanoparticles array that are near-field coupled with each other to have tunable plasmonic properties by changing the number of stacked monolayers.Type: ApplicationFiled: May 4, 2010Publication date: November 10, 2011Applicant: NATIONAL TSING HUA UNIVERSITYInventors: Meng-Hsien LIN, HUNG-YING CHEN, SHANG-JR GWO
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Patent number: 8053018Abstract: The invention provides an implantable membrane for regulating the transport of analytes therethrough that includes a matrix including a first polymer; and a second polymer dispersed throughout the matrix, wherein the second polymer forms a network of microdomains which when hydrated are not observable using photomicroscopy at 400× magnification or less. In one aspect, the homogeneous membrane of the present invention has hydrophilic domains dispersed substantially throughout a hydrophobic matrix to provide an optimum balance between oxygen and glucose transport to an electrochemical glucose sensor.Type: GrantFiled: January 15, 2010Date of Patent: November 8, 2011Assignee: DexCom, Inc.Inventors: Mark A. Tapsak, Rathbun K. Rhodes, Mark C. Shults, Jason D. McClure
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Publication number: 20110257289Abstract: The present invention relates to the use of AB block copolymer composition as a surface coating wherein the composition comprises (a) an AB block copolymer; and (b) a liquid medium and wherein the AB block copolymer comprises: (a) a substantially hydrophobic block A, and (b) a substantially hydrophilic block B wherein the hydrophobic block A comprises one or more monomer of formula (A) wherein R is H or C1 to C4 alkyl; Z is O, P or N; and R? is selected from the group comprising: C1 to C18 linear or non linear alkyl; C1 to C18 alkylamino alkyl; C1 to C18 dihydroxyalkyl; C1 to C18 silylalkyl; epoxy alkyl, phosphoryl or phosphoryl alkyl; a styrene based monomer; a vinyl phosphonate or phosphoric acid monomer; and wherein the liquid medium comprises either: (i) water; (ii) an organic solvent; (iii) an organic solvent substantially free from water; or (iv) an organic solvent and water; and wherein: the liquid medium further optionally comprises one or more additive, surfactant or wetting agent.Type: ApplicationFiled: April 1, 2011Publication date: October 20, 2011Applicant: Chamelic LtdInventors: Simon Biggs, Gaelle Baquey, Maggy Manguian, Sasha Heriot
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Patent number: 8039039Abstract: Grooves (3R, 3G, 3B) corresponding to red, green and blue respectively are formed on a substrate (40), and the edge portion of each groove (3R, 3G, 3B) is formed so as to be farther from a side of substrate (40) in order. The edge portion of each groove (3R, 3G, 3B) is immersed in an organic EL solution (8R, 8G, 8B) of corresponding color, the grooves (3R, 3G, 3B) are severally filled with the organic EL solution (8R, 8G, 8B) of corresponding color using capillary phenomenon, and thus a full-color organic EL display device is manufactured.Type: GrantFiled: July 25, 2006Date of Patent: October 18, 2011Assignee: Sharp Kabushiki KaishaInventor: Nobuo Sasaki
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Patent number: 8021721Abstract: A method of modifying a bottomhole assembly that includes metal plating at least a portion of a bottomhole assembly, wherein the metal-plating comprises superabrasive nanoparticles is disclosed.Type: GrantFiled: May 1, 2007Date of Patent: September 20, 2011Assignee: Smith International, Inc.Inventor: Anthony Griffo
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Patent number: 8007862Abstract: Provided are a method of preparing a nanowire grid polarizer, and a nanowire grid polarizer prepared using the same. The method includes: mixing a surfactant and a silica precursor to prepare a mesoporous film composition; coating the mesoporous film composition on a substrate; aging the coated product to form a silica template composite; removing the surfactant inside the silica template composite to prepare a mesoporous material having channels; and filling the channels of the mesoporous material with metal. The method is suitable for the formation of a nanowire having a stable structure, mass production, and large-area production.Type: GrantFiled: March 28, 2008Date of Patent: August 30, 2011Assignee: Samsung Electronics Co., Ltd.Inventors: Su-mi Lee, Dong-mok Whang, Moon-gyu Lee, Yoon-sun Choi, Sun-hwak Woo
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Patent number: 7998219Abstract: A ceramic powder of non-agglomerated non-aggregated phase-pure hydroxyapatite having a controllable morphology. Also presented is a film of phasepure crystalline hydroxyapatite grains having a controllable morphology. Methods for preparing the same are also provided.Type: GrantFiled: December 21, 2005Date of Patent: August 16, 2011Assignee: Rutgers, The State University of New JerseyInventors: Richard E. Riman, Alexander Burukhin, Eugene Zlotnikov, Dan Haders
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Patent number: 7976892Abstract: In a method for producing a conductive coating on an insulating substrate, at least one surface of an electrically insulating substrate is equipped, in selected regions, with a coating of an electrically highly conductive first metal; the coated surface is cleaned; the coating made of the first metal on the substrate is seeded with seeds of a second metal; a layer of the second metal is deposited onto the layer thus seeded; the substrate thus coated is fired.Type: GrantFiled: September 22, 2003Date of Patent: July 12, 2011Assignee: Robert Bosch GmbHInventors: Walter Beck, Eric Ochs, Walter Roethlingshoefer, Bernhard Bachor, Dietmar Schaible, Albert-Andreas Hoebel, Klaus-Peter Dambock, Juergen Schwaiger, Detlef Nitsche
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Patent number: 7964069Abstract: A device for galvanic coating of a piston has a pot-shaped interior for accommodating the piston and an electrolyte fluid, a holder device for fixing the piston in place, a cover that is structured like a shutter and leaves only the surfaces of the piston that are to be coated uncovered, a first electrical contact that is connected with an anode and with the plus pole of a direct voltage source, and a second electrical contact that connects the piston with the minus pole of a direct voltage source. The piston can be simply and quickly attached to the holder device, since the holder device is in plate shape, and has an oblong centering device, the length of which corresponds to the radial inside diameter of the piston to be coated so that the piston can be pushed onto the centering device by way of its underside.Type: GrantFiled: August 30, 2007Date of Patent: June 21, 2011Assignee: MAHLE International GmbHInventors: Rudolf Bergmann, Kurt Nikolei
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Publication number: 20110129611Abstract: A modular peptide design strategy wherein the modular peptide has two functional units separated by a spacer portion is disclosed. More particularly, the design strategy combines a hydroxyapatite-binding portion and a biomolecule-derived portion. The modular peptides have improved non-covalent binding to the surface of the HA-based materials, and are capable of initiating osteogenesis, angiogenesis, and/or osteogenic differentiation.Type: ApplicationFiled: December 1, 2009Publication date: June 2, 2011Applicant: WISCONSIN ALUMNI RESEARCH FOUNDATIONInventors: William L. Murphy, Jae Sung Lee, Mark D. Markel, Ben K. Graf
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Publication number: 20110117271Abstract: A method for forming, on a substrate, a seed layer enabling the subsequent deposition of a metal layer, including the step of immersing the substrate in a bath containing a material from the ethoxysilane or siloxane family and a copper or nickel amidinate.Type: ApplicationFiled: March 30, 2009Publication date: May 19, 2011Applicants: Centre National de la Recherche Scientifique, STMicroelectronics (Tours) SASInventors: Clément Barriere, Pierre Fau, Bruno Chaudret, Oliver Margeat
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Publication number: 20110104507Abstract: A layered structure including graphene, wherein a basal plane of the graphene is a (0001) plane; and a layer including an organic material having a conjugated system disposed on the graphene, wherein the layer comprising the organic material layer having the conjugated system is bound to the (0001) plane of the graphene by a ?-? interaction, and a method of preparing the same.Type: ApplicationFiled: November 1, 2010Publication date: May 5, 2011Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jae-young CHOI, Do-hwan KIM, Soo-ghang IHN
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Publication number: 20110086176Abstract: Provided are a method of doping carbon nanotubes, p-doped carbon nanotubes prepared using the method, and an electrode, a display device or a solar cell including the carbon nanotubes.Type: ApplicationFiled: October 7, 2010Publication date: April 14, 2011Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Seon-mi YOON, Seong-jae CHOI, Hyeon-jin SHIN, Jae-young CHOI, Sung-jin KIM, Young-hee LEE
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Patent number: 7913642Abstract: The present invention relates to a coating assembly and methods that employ the coating assembly to control the thickness of therapeutic or other coatings delivered to a medical device during a coating process. In one embodiment the coating assembly may include a coating plate having a coating transfer surface and a shoulder having a first height, a mandrel moveable over the coating transfer surface, and a coating dispenser positioned in fluid communication with the coating transfer surface. The invention also includes a method of coating a medical device. This method may include placing a medical device on a mandrel, dispensing coating onto a coating transfer surface of a coating plate, moving the mandrel and the medical device over the coating transfer surface of the coating plate so that coating resident on the coating transfer surface transfers to an exposed surface of the medical device, and removing the medical device from the mandrel.Type: GrantFiled: September 20, 2007Date of Patent: March 29, 2011Assignee: Boston Scientific Scimed, Inc.Inventors: Tim O'Connor, Dave McMorrow, Gabriel Sobrino, Liam Ward, Noel Hynes
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Patent number: 7910152Abstract: A method of forming a coating on a medical device having a controlled morphology is described.Type: GrantFiled: February 28, 2006Date of Patent: March 22, 2011Assignee: Advanced Cardiovascular Systems, Inc.Inventors: Lothar Walter Kleiner, Jessica Reneé DesNoyer, Stephen Dirk Pacetti, Syed Faiyaz Ahmed Hossainy
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Publication number: 20110042030Abstract: The filter of the type made out of fibreglass fabric is remarkable in that it includes an impregnation in an iron oxide enriched resin which confers a magnetization-based function and property upon it and allows the feeder head/filter unit to be recycled so that the metal and the waste filters can be recovered.Type: ApplicationFiled: October 1, 2010Publication date: February 24, 2011Inventor: Emile Marcelino
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Patent number: 7892595Abstract: An implantable device coating system method includes providing the implantable device having an exterior surface, the exterior surface including a plurality of pores in fluidic communication with an ambient environment. The method further includes applying a coating including a therapeutic solution to the exterior surface and the pores, and vibrating the implantable device with a sonic wave for a predetermined time using at least one predetermined frequency.Type: GrantFiled: February 9, 2007Date of Patent: February 22, 2011Assignee: Medtronic Vascular, IncInventors: Eunsung Park, Jeffrey Allen
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Patent number: 7867551Abstract: A method of forming a doped Group IBIIIAVIA absorber layer for solar cells by reacting a partially reacted precursor layer with a dopant structure. The precursor layer including Group IB, Group IIIA and Group VIA materials such as Cu, Ga, In and Se are deposited on a base and partially reacted. After the dopant structure is formed on the partially reacted precursor layer, the dopant structure and partially reacted precursor layer is fully reacted. The dopant structure includes a dopant material such as Na.Type: GrantFiled: September 21, 2007Date of Patent: January 11, 2011Assignee: SoloPower, Inc.Inventor: Bulent M. Basol
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Publication number: 20100307553Abstract: The present disclosure concerns a means to use light manipulation in engineered or structured coatings for thermal or photothermal effects and/or refractive and reflective index management. Such metallic, nonmetallic, organic or inorganic metamaterials or nanostructures could be used to manipulate light or energy for thermal or photothermal effects and/or refractive and reflective index management on or in any material or substrate on or in any material or substrate. The light scattering properties of metallic particles and film can be used to tune such coatings, structures or films over a broad spectrum.Type: ApplicationFiled: August 24, 2009Publication date: December 9, 2010Inventors: ANTHONY DEFRIES, MARK BRONGERSMA
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Patent number: 7815963Abstract: The present invention provides a dense-coverage, adherent phosphorous-based coating on the native oxide surface of a material. Disclosed phosphorous-based coatings include phosphate and organo-phosphonate coatings. The present invention also provides further derivatization of the phosphorous-based coatings to yield dense surface coverage of chemically reactive coatings and osteoblast adhesion-promoting and proliferation-promoting coatings on the native oxide surface of a titanium material.Type: GrantFiled: May 5, 2008Date of Patent: October 19, 2010Assignee: The Trustees of Princeton UniversityInventors: Jeffrey Schwartz, Michael J. Avaltroni, Kim S. Midwood, Jean E. Schwarzbauer, Ellen Gawalt
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Publication number: 20100247840Abstract: A process for making open-celled silicon carbide inserts (20) that allow metal infiltration to create metal-matrix composite part (100, 300) used for rubbing/wear components, such as an open-celled ceramic ring. The open-celled ceramic insert (20) is infiltrated by cast iron, and produces no negative effects to the iron casting process or the final metal-matrix composite product (100, 300) such as casting porosity or gas build-up inside the mold. Inserts (20) constructed in accordance with the invention enable manipulation and control over the density and weight of final metal-matrix composite products (100, 300). It is an advantageous characteristic of such inserts (20) that they enable manipulation and control over the dampening characteristics of final metal-matrix composite products (100, 300).Type: ApplicationFiled: October 24, 2007Publication date: September 30, 2010Inventors: Jason Mitchick, Mauricio Gonzalez-Rocha
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Publication number: 20100239869Abstract: A method for forming a film of graphite oxide single layers. In one embodiment, the method includes the steps of preparing a solution of graphite oxide to allow a plurality of graphite oxide single layers to be formed and dispersed in the solution; and applying the solution of graphite oxide onto an air-water interface of water to form a film at the air-water interface, wherein the film comprises a plurality of graphite oxide single layers and is characterized by a packing density, wherein the film of graphite oxide single layers is formed with no presence of a surfactant or stabilizing agent.Type: ApplicationFiled: March 22, 2010Publication date: September 23, 2010Applicant: Northwestern UniversityInventors: Jiaxing Huang, Laura J. Cote, Franklin J. Kim
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Patent number: 7790234Abstract: This disclosure relates generally to polymeric networks of fullerene compounds, to methods of preparing precursors for such networks, and to their subsequent use as low dielectric constant materials in microelectronic devices.Type: GrantFiled: May 31, 2007Date of Patent: September 7, 2010Inventor: Michael Raymond Ayers
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Publication number: 20100221968Abstract: A composition for production of a prepreg for manufacture of thermoset composite laminates, a method for the production of a prepreg, the prepreg, and a thermoset glass fibre reinforced composite laminate manufactured by curing the prepreg. The composition includes unsaturated polyesters or vinylesters, a catalyst, a thickening agent, and a crosslinking initiator. A first component of the unsaturated polyesters or vinylesters includes reactive groups that react with the thickening agent. A second component of the unsaturated polyesters or vinylesters does not include any groups that react with the thickening agent. The composition also includes a polyether polyol.Type: ApplicationFiled: April 25, 2008Publication date: September 2, 2010Applicant: ABB Technology Ltd.Inventor: Lennart Wihlsson
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Publication number: 20100206363Abstract: A graphene sheet including an intercalation compound and 2 to about 300 unit graphene layers, wherein each of the unit graphene layers includes a polycyclic aromatic molecule in which a plurality of carbon atoms in the polycyclic aromatic molecule are covalently bonded to each other; and wherein the intercalation compound is interposed between the unit graphene layers.Type: ApplicationFiled: February 17, 2010Publication date: August 19, 2010Applicant: SAMSUNG ELECTRONICS CO., LTDInventor: Jae-Young CHOI
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Publication number: 20100190038Abstract: A glass substrate for a magnetic disk of the invention is a disk-shaped glass substrate for a magnetic disk where the substrate has a main surface and end face and is subjected to chemical reinforcement treatment, and is characterized in that the penetration length in the uppermost-portion stress layer on the main surface is 49.1 ?m or less, and that assuming that an angle between the main surface and compressive stress in the stress profile by a Babinet compensator method is ?, a value y of {12·t·ln(tan ?)+(49.1/t)} is the penetration length in the uppermost-portion stress layer or less.Type: ApplicationFiled: September 26, 2008Publication date: July 29, 2010Applicant: HOYA CORPORATIONInventors: Kinobu Osakabe, Hideki Isono, Katsuyuki Iwata, Shinji Eda, Kenichiro Terada
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Publication number: 20100173076Abstract: A new method for forming stable polyaniline nanofiber colloids uses electrostatic repulsion to maintain dispersion of the nanofibers and prevent aggregation during synthesis of the nanofibers. The colloidal suspensions are formed directly from the reactants in solution maintained at a pH of about 1.0 to about 4.0 and a temperature of about 10° C. to about 100° C. with minimal or no stirring. Also set forth are new methods for forming ultrathin films of polyaniline nanofibers via self-assembly.Type: ApplicationFiled: March 15, 2010Publication date: July 8, 2010Inventors: Richard B. Kaner, Dan Li, Jiaxing Huang
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Patent number: 7749561Abstract: The present invention provides a single-electron device composed of a necklace of about 5000 nanoparticles. The linear necklace is self-assembled by interfacial phenomena along a triple-phase line of fiber, a substrate and electrolyte containing nanoparticles. A variety of combinations of nanoparticles, such as Au and CdS nanoparticles, may be used to form a necklace. The I-V measurements on the system show both coulomb blockade and staircase, with high currents and high threshold voltage of 1-3 V. The present invention also provides methods for constructing such a device.Type: GrantFiled: July 24, 2006Date of Patent: July 6, 2010Assignee: Nutech VenturesInventors: Ravi F. Saraf, Sanjun Niu, Vikas Berry, Vivek Maheshwari
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Patent number: 7744687Abstract: The present invention consists of an aqueous putty or liquid suspension, formed by a mix of components a) and b) which are described as follows: a) an anhydrous silicate of an alkaline metal or alkaline terreous, in any of its forms (in dust, particles, granulates or fibers), or a hydrated silicate of an alkaline metal or alkaline terreous (in dust, particles, granulates or fibers), or a mix of both, b) a component of titanium, and optionally, in addition, of components c), d), e) and f), described as follows: c) one or more neutral or acid salts, of mono or poli ammonia, d) fungicide components, e) antibacterial components, and f) odor-controlling components. This putty can be utilized to stop or retard fire, as a coating or incorporated into granulated or aminated components, or in finished moulded products and similar items.Type: GrantFiled: April 10, 2007Date of Patent: June 29, 2010Assignee: International Resin S.A.Inventor: Juan Pablo Moreno G.
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Publication number: 20100134798Abstract: The invention relates to a sensor for determining a concentration of a substance contained in a fluid-containing matrix, with a measurement chamber (5), a sender (3) for the emission of optical radiation (6) into the measurement chamber, and a receiver (4) for receiving optical radiation which has traversed the measurement chamber, wherein the measurement chamber is designed for bringing into the matrix and is filled with a specific fluid, and the wall (12, 13) is at least sectionally permeable to the diffusion of the substance. A control and evaluation circuit (7) is connected to the sender (3) and controls the sender (3), and is connected to the receiver (4) for selecting the receiver signals and determines, from the receiver signal, a measurement for the concentration of the substance in the matrix.Type: ApplicationFiled: June 7, 2008Publication date: June 3, 2010Inventors: Kai-Uwe Zirk, Hans-Joachim Freitag`
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Publication number: 20100108638Abstract: A mould for objects made of polymer material is produced by successively depositing a barrier thin layer and a thin layer of diamond-like carbon on at least a part of a metal support. The thin layer of diamond-like carbon is then nanopatterned with a predetermined pattern presenting a form factor of more than 1. Nanopatterning is performed by selective chemical etching in dry phase through a hard mask and etching stops at an interface between the thin layer of diamond-like carbon and the barrier thin layer. The hard mask used was formed beforehand on a free surface of the thin layer of diamond-like carbon by selective chemical etching in dry phase performed through a void lattice delineated by nanoparticles deposited beforehand on a free surface of said hard mask. The barrier thin layer and the nanopatterned thin layer of diamond-like carbon form a bilayer coating presenting a thickness comprised between about 100 nm and about 10 ?m.Type: ApplicationFiled: October 30, 2009Publication date: May 6, 2010Applicant: COMMISSARIAT A L'ENERGIE ATOMIQUEInventors: Jérôme Gavillet, Pierre Juliet
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Patent number: 7704562Abstract: A process is disclosed for the purpose of increasing the adhesion of a polymeric material to a metal surface. The process comprises plating the metal surface with a layer of electroless nickel, electroless cobalt or electroless (or immersion) tin followed by phosphating the plated layer prior to bonding the polymeric material thereto. The process is particularly suited to treating printed circuit board inner-layers and lead frames.Type: GrantFiled: August 14, 2006Date of Patent: April 27, 2010Inventor: John L. Cordani, Jr.
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Patent number: 7678193Abstract: The invention relates to the use of lithium glycerophosphate for treating structures made of a cement-based product and having steel rebars, making it possible to inhibit rebar corrosion, to prevent the alkali reaction and to avoid the presence of alkalis and sulfates in the structure.Type: GrantFiled: March 30, 2004Date of Patent: March 16, 2010Assignee: Arts Technology S.A.Inventors: Theophil Markus Lutz, Christian Chevret
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Publication number: 20100056479Abstract: The present invention relates to the use of quaternary ammonium compounds in the remediation of microbial growth such as mold, funguses, and mildew.Type: ApplicationFiled: November 5, 2007Publication date: March 4, 2010Inventors: Joe D. Sauer, George W. Cook, Christopher S. Knight
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Patent number: 7662312Abstract: A pigment grade corrosion inhibitor and a method of applying the inhibitor is disclosed. The inhibitor is comprised of a host species comprised of an inorganic compound having a layered structure and a guest species comprised an anionic species of a weak acid. The host species is preferably a double hydroxide having a structure of: [M(II)1?x M(III)x (OH?)2] [An?x/n.y H2O], where M(II) is a divalent metal cationic species, M(III) is a trivalent metal cationic species, and An? is an anionic species, preferably with the species present in a range of: 0.2?M(III)/(M(II)+M(III))?0.4. The guest species include: various phosphoric acids and derivatives thereof; boric acid; cyanamidic acid; nitrous acid; derivatives of thio- and dithiocarbonic acid; thio-organic compounds functionalized with at least one —SH group of acidic character, including: 2,5-dimercapto-1,3,4-thiadiazole (DMTD), 2,4-dimercapto-s-triazolo-[4,3-b]-1,3-4 thiadiazole, trithiocyanuric acid (TMT), and dithiocyanuric acid.Type: GrantFiled: November 1, 2007Date of Patent: February 16, 2010Assignee: Wayne Pigment Corp.Inventors: John Sinko, Martin W. Kendig
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Publication number: 20090324930Abstract: An environmental coating system for silicon based substrates wherein a porous intermediate barrier layer having an elastic modulus of about 30 to 150 GPa is provided between a silicon metal containing bondcoat and a ceramic top environmental barrier layer.Type: ApplicationFiled: June 25, 2008Publication date: December 31, 2009Applicant: UNITED TECHNOLOGIES CORPORATIONInventors: Sonia Tulyani, Tania Bhatia
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Patent number: 7629021Abstract: The object of the present is to provide high-quality magnetic recording media capable of easy tracking, and allowing high-density recording, high-speed recording, and higher capacity without increasing the write-current at magnetic heads. The nanohole structure comprises a metal or metal-compound base material and plural arrays of nanoholes, wherein the plural arrays of nanoholes are respectively arranged into regular alignments, the regular alignments are different between adjacent arrays, and the regular alignments are alternately disposed within the metal or metal-compound base material. The magnetic recording medium according to the present invention comprises a substrate, a porous layer into which plural nanoholes are formed, and a magnetic material within the plural nanoholes, wherein the plural nanoholes are formed in a direction approximately vertical to the plane of the substrate, the porous layer is a nanohole structure according to the present invention.Type: GrantFiled: October 26, 2005Date of Patent: December 8, 2009Assignee: Yamagata Fujitsu LimitedInventor: Hiroshi Nakao
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Publication number: 20090295103Abstract: [Problems to be Solved] To provide a graphite clay composite material, a process for producing the same, a gasket or packing comprising the composite material, and a clay dispersion used for the composite material, which can be applied to the various usages in a wide fields including; sealing material such as joint sheet, gasket, packing and the like, heat-release sheet, electromagnetic wave shielding material, sound-proof sheet and the like. [Means to Solving the Problems] A composite material comprising mainly a graphite and a clay, wherein the clay is laminated on and/or enters into a graphite layer.Type: ApplicationFiled: April 3, 2007Publication date: December 3, 2009Applicants: NATIONAL INSTITUTE OF ACVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY, JAPAN MATEX CO., LTD.Inventors: Takeo Ebina, Yasuhisa Hasegawa, Fujio Mizukami, Nobuhiko Teshima, Katsuro Tsukamoto