With Metal Compound Patents (Class 252/506)
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Publication number: 20090057623Abstract: Disclosed herein is an article comprising a nucleic acid-carbon nanotube molecular composite in selective communication with at least one of a plurality of material phases; the selective communication being the result of an affinity of functional groups present in the nucleic acid-carbon nanotube molecular composite for the at least one of the plurality of material phases; the material phases being at least a part of a substrate; the nucleic acid-carbon nanotube molecular composite comprising at least one of i) a nucleic acid disposed on a functionalized carbon nanotube; ii) a functionalized nucleic acid disposed on a carbon nanotube; and iii) a functionalized nucleic acid disposed on a functionalized carbon nanotube to form a nucleic acid-carbon nanotube molecular composite.Type: ApplicationFiled: August 29, 2007Publication date: March 5, 2009Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATIONInventors: Jennifer N. Cha, Christine M. Micheel
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Publication number: 20090050935Abstract: The present invention provides silicon-germanium hydride compounds, methods for their synthesis, methods for their deposition, and semiconductor structures made using the compounds. The compounds are defined by formula: SiHnI (GeHn2)y, wherein y is 2, 3, or 4 wherein n1 is 0 1, 2 or 3 to satisfy valency and wherein n2 is independently 0, 1, 2 or 3 for each Ge atom in the compound, to satisfy valency.Type: ApplicationFiled: November 21, 2006Publication date: February 26, 2009Applicant: The Arizona Board ofg Regents, a body corporate acting on behalf of Arizona State UniversityInventors: John Kouvetakis, Cole J. Ritter III
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Publication number: 20090035555Abstract: This invention is directed to an article comprising a transparent substrate and an electrically conductive transparent coating deposited on the transparent substrate. This invention is also directed to methods for preparing the electrically conductive transparent coating and depositing the coating on the transparent substrate. This invention is further directed to devices containing such articles. The electrically conductive transparent coating comprises carbon nanotubes filled, coated, or both filled and coated by a non-carbon material.Type: ApplicationFiled: July 29, 2008Publication date: February 5, 2009Inventors: Sean Imtiaz Brahim, Robert L. Gump, Steven G. Colbern, Leonid Grigorian
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Publication number: 20090035707Abstract: Compositions comprising at least one conductive nanomaterial and at least one rheology control additive are disclosed. These compositions can be used to form a film for uses requiring sufficient conductivity and light transparency. Methods of forming a conductive composition include: providing at least one conductive nanomaterial, providing at least one rheology control additive, and blending the at least one conductive nanomaterial and the at least one rheology control additive together to form the conductive composition.Type: ApplicationFiled: August 1, 2007Publication date: February 5, 2009Inventors: Yubing Wang, James Guiheen, Yuan-Ping Ting, Gary L. Martin
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Publication number: 20080308773Abstract: The present invention includes an electrochemical redox active material. The electrochemical redox active material includes a cocrystalline metallic compound having a general formula AxMO4-yXOy.M?O, where A is at least one metallic element selected from a group consisting of alkali metals, M and M? may be identical or different and independently of one another at least one selected from a group consisting of transition metals and semimetals, X is P or As, 0.9?x?1.1, and 0<y<4.Type: ApplicationFiled: June 18, 2007Publication date: December 18, 2008Applicant: Advanced Lithium Electrochemistry Co., Ltd.Inventors: Ben-Jie Liaw, Yu-Fang Chen, Wen-Ren Liu, Sheng-Shih Chang
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Patent number: 7462302Abstract: An indium oxide based material containing carbon, and a method for preparing the same are provided. In such a method, the carbon is added to the indium oxide based material film so that the electrical resistivity of the indium oxide based material film is decreased, and the light transmittance of the indium oxide based material in the shorter wavelength range is increased, and also the light can transmit through such a material over a broader short wavelength range. The indium oxide based material prepared by the method of the present invention has higher electrical conductivity and higher light transmittance in comparison with the conventional one without adding carbon.Type: GrantFiled: January 20, 2006Date of Patent: December 9, 2008Inventors: Chung-Cheng Chang, Shin-Bin Huang
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Patent number: 7462271Abstract: A method is described for making aluminum reduction cell components, e.g. cathodes having stabilized surfaces, which comprises mixing together a carbonaceous material, TiB2 and up to 25% by weight of a finely divided additive consisting of a combination of two intimately mixed compounds and forming the mixture into a cell component, wherein at least a first of the two compounds has a higher melting temperature than the baking temperature. When the cell component is contacted with molten aluminum, the aluminum reacts with the additive to form a dense phase at the surface of the cell component, having low solubility in aluminum.Type: GrantFiled: November 26, 2003Date of Patent: December 9, 2008Assignee: Alcan International LimitedInventors: Martin Dionne, Jules Bergeron, Amir A. Mirchi
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Publication number: 20080296537Abstract: 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: February 7, 2007Publication date: December 4, 2008Applicant: President and Fellows of Harvard CollegeInventors: Roy G. Gordon, Damon B. Farmer
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Publication number: 20080280751Abstract: The present teachings are directed toward a matrix containing nanosized metal components and carbon nanotubes, with the carbon nanotubes being produced in situ by the nanosized metal components upon the contacting of the nanosized metal components with a carbon source under conditions sufficient to produce the carbon nanotubes. Also disclosed are methods of producing the matrix containing the nanosized metal components and carbon nanotubes.Type: ApplicationFiled: March 16, 2007Publication date: November 13, 2008Applicant: Honda Motor Co., Ltd.Inventors: Avetik Harutyunyan, Elena Mora
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Publication number: 20080277628Abstract: This invention provides an electrically conductive, less anisotropic, and structurally sound composite composition for fuel cell flow field plate or bipolar plate applications. The composition comprises: (a) expanded or exfoliated graphite; (b) particles of non-expandable graphite or carbon, wherein the particles are between 3% and 60% by weight based on the total weight of the particles and the expanded graphite; and (c) a binder or matrix material to bond the expanded graphite and the particles of non-expanded graphite or carbon for forming a highly conductive composite, wherein the binder or matrix material is between 3% and 60% by weight based on the total composite composition weight. The composite plate exhibits a thickness-direction conductivity typically greater than 35 S/cm, more typically greater than 50 S/cm, most typically greater than 100 S/cm, and a thickness-direction specific areal conductivity greater than 200 S/cm2, more typically greater than 500 S/cm2.Type: ApplicationFiled: May 8, 2007Publication date: November 13, 2008Inventors: Aruna Zhamu, Jinjun Shi, Jiusheng Guo, Bor Z. Jang
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Publication number: 20080254362Abstract: The present invention relates to a nano-composite structure containing nanostructured carbon and nanoparticles. Also disclosed are methods of making the nano-composite structures. The present invention also relates to a lithium ion battery, a capacitor, a supercapacitor, a battery/capacitor, or a fuel cell containing the nano-composite structures of the present invention.Type: ApplicationFiled: April 14, 2008Publication date: October 16, 2008Applicant: ROCHESTER INSTITUTE OF TECHNOLOGYInventors: Ryne P. Raffaelle, Brian J. Landi, Cory D. Cress
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Patent number: 7435360Abstract: A manufacturing method of conductive paste comprising arranging process (S20 to S23) of ceramics particles, arranging process (S10 to S14) of wetted metal particles, forming process (S30) of slurry wherein metal particles and ceramics particles are mixed and dispersion treatment process (S32) by applying collision to the slurry. The arranging process of wetted metal particles comprises, a process (S12) of adding solvent, compatible with organic component in conductive paste and incompatible with water, to undried water washed metal particles, a process (S18) of adding surfactant, a process (S14) of separating water from the metal particles and a process (S15) of adding acetone or the other second solvent.Type: GrantFiled: March 19, 2004Date of Patent: October 14, 2008Assignee: TDK CorporationInventors: Kazuhiko Oda, Tetsuji Maruno, Akira Sasaki, Kouji Tanaka
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Patent number: 7419720Abstract: The present invention relates to a plastics molding composition based on polyarylene sulfide and/or on liquid-crystalline plastic, where the molding composition comprises carbon black and graphite and/or metal powder, the carbon black has a specific surface area of from 500 to 1500 m2/g, and a dibutyl phthalate value of from 100 to 700 ml/100 g, and the graphite has a specific surface area of from 1 to 35 m2/g. The molding compositions of the invention have good conductivities, and better flowabilities and mechanical properties.Type: GrantFiled: January 30, 2002Date of Patent: September 2, 2008Assignee: TICONA GmbHInventors: Achim Hofmann, Hans-Gerhard Fritz, Ralf Kaiser
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Patent number: 7413805Abstract: Metallic particles for electrokinetic or electrostatic deposition, and a method for making such particles, comprising metallic particle bodies, an organic acid film on the particle bodies, and a charge director adhered to the organic acid film.Type: GrantFiled: February 25, 2005Date of Patent: August 19, 2008Assignee: Fry's Metals, Inc.Inventors: Oscar Khaselev, Brian G. Lewis
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Publication number: 20080191175Abstract: Electrochemical cell, having a positive electrode comprising electrolytic manganese dioxide, chemical manganese dioxide, lithiated manganates, cobaltates or nickelates as electroactive component and graphite as a conductive additive, which is characterized 1. Electrochemical cell having a positive electrode comprising electrolytic manganese dioxide, chemical manganese dioxide, lithiated manganates, cobaltates or nickelates as electroactive component and graphite as a conductive additive, characterized in that said conductive additive comprises at least a thermally expanded graphite in its vermicular form, and wherein the initial graphite particle expansion degree of said expanded graphite in z-direction of the particle is greater than 80 times of its initial z-dimension, and preferably within the range of 200 to 500 times of its initial z-dimension.Type: ApplicationFiled: December 26, 2007Publication date: August 14, 2008Inventors: Michael E. Spahr, Henri Wilhelm
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Publication number: 20080185560Abstract: Alloyed nanophenes comprising carbon, boron, and a Group V element other than nitrogen are provided. The alloyed nanophenes are useful, for example, as miniature electronic components, such as wires, coils, schottky barriers, diodes, inductors, memory elements, and other circuit devices and elements.Type: ApplicationFiled: December 13, 2006Publication date: August 7, 2008Applicant: E. I. DUPONT DE NEMOURS AND COMPANYInventor: DAVID HERBERT ROACH
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Publication number: 20080157027Abstract: The present invention includes compositions and methods of making cation-substituted and fluorine-substituted spinel cathode compositions by firing a LiMn2-y-zLiyMzO4 oxide with NH4HF2 at low temperatures of between about 300 and 700° C. for 2 to 8 hours and a ? of more than 0 and less than about 0.50, mixed two-phase compositions consisting of a spinel cathode and a layered oxide cathode, and coupling them with unmodified or surface modified graphite anodes in lithium ion cells.Type: ApplicationFiled: September 25, 2007Publication date: July 3, 2008Applicant: BOARD OF REGENTS, THE UNIVERSITY OF TEXAS SYSTEMInventors: Arumugam Manthiram, Wonchang Choi
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Publication number: 20080131777Abstract: A positive electrode material is disclosed which contains an iron lithium phosphate as a positive electrode active material and has a large charge/discharge capacity, high-rate adaptability, and good charge/discharge cycle characteristics at the same time. Also disclosed are a simple method for producing such a positive electrode material and a high-performance secondary battery employing such a positive electrode material. Specifically, disclosed is a positive electrode material for secondary battery characterized by mainly containing a positive electrode active material represented by the general formula: LinFePO4 (wherein n is a number of 0-1) and further containing at least one different metal element selected from the group consisting of vanadium (V), chromium (Cr), copper (Cu), zinc (Zn), indium (In) and tin (Sn). This positive electrode material can be produced using a halide of such a metal element as the raw material.Type: ApplicationFiled: October 26, 2004Publication date: June 5, 2008Inventors: Naoki Hatta, Toshikazu Inaba, Izumi Uchiyama
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Publication number: 20080121847Abstract: A conductive polyoxymethylene composition comprising a first polyoxymethylene component, a conductive filler, at least one boron oxyacid or salt thereof, and at least one first polyamide oligomer is disclosed. The first polyoxymethylene component comprises a copolymer of oxymethylene, a homopolymer of oxymethylene, and mixtures thereof, and is present in an amount of from about 50 to about 99.5 weight percent based on the total weight of the composition. The conductive filler is present in an amount of from about 0.1 to about 40 percent by weight based on the total weight of the composition. The boron oxyacid or salt thereof and the first polyamide oligomer stabilize the composition such that articles formed therefrom exhibit reduced or eliminated deterioration. Further, when exposed to higher temperature, pressure, and high-fuel content environments, the articles maintain the desired physical properties.Type: ApplicationFiled: January 12, 2006Publication date: May 29, 2008Applicant: BASF AktiengesellschftInventors: David Carl Krueger, Majiid Khalatbari, Wolfgang Heim, Theodore Zavadil
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Patent number: 7371338Abstract: Safe and economical electrochemically active nanocomposites based on metal fluoride compounds useful in rechargeable battery cell electrodes. When incorporated as the active electrode material in lithium battery cell systems, the nanocomposites enable high, stable specific capacities.Type: GrantFiled: November 25, 2003Date of Patent: May 13, 2008Assignee: Rutgers, The State UniversityInventor: Glenn G. Amatucci
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Patent number: 7326463Abstract: Circuit conductors and cables are formed of a conductive loaded resin-based material. The conductive loaded resin-based material comprises micron conductive powder(s), conductive fiber(s), or a combination of conductive powder and conductive fibers in a base resin host. The percentage by weight of the conductive powder(s), conductive fiber(s), or a combination thereof is between about 20% and 50% of the weight of the conductive loaded resin-based material. The micron conductive powders are formed from non-metals, such as carbon, graphite, that may also be metallic plated, or the like, or from metals such as stainless steel, nickel, copper, silver, that may also be metallic plated, or the like, or from a combination of non-metal, plated, or in combination with, metal powders. The micron conductor fibers preferably are of nickel plated carbon fiber, stainless steel fiber, copper fiber, silver fiber, aluminum fiber, or the like.Type: GrantFiled: February 14, 2005Date of Patent: February 5, 2008Assignee: Integral Technologies, Inc.Inventor: Thomas Aisenbrey
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Patent number: 7282260Abstract: A coating composition having outstanding electrically conductive and electromagnetic radiation absorptive properties is disclosed with a water emulsion polymer binder. The binder is a blend of a first emulsion containing a conjugated diene as monomer or comonomer, and a second emulsion containing an acrylic, aliphatic or aromatic polyurethane, polyester urethane, polyester, epoxy, polyamide, polyimide, vinyl, fluoropolymer, or silicone polymer. An effective amount of electrically conductive and electromagnetic radiation absorptive particles is dispersed in the binder. The particles include a combination of graphite particles, carbon nanotubes and metal containing particles. An effective amount of water is also present.Type: GrantFiled: February 5, 2003Date of Patent: October 16, 2007Assignee: Unitech, LLCInventors: Wayne B. LeGrande, Robert C. Boyd
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Patent number: 7238296Abstract: When the entire amount of conductive metal mixed powder made of copper, manganese, and germanium is 100 parts by weight, the metal mixed powder is formed by mixing 4.0 to 13.0 parts manganese by weight, 0.2 to 1.4 parts germanium by weight, and 85.6 to 95.8 parts copper by weight, and 0 to 10 parts glass powder by weight and 0 to 10 parts copper-oxide powder by weight are mixed relative to the entire amount (100 parts by weight) of these metal components. The obtained resistive paste is then baked, and the resistive composition having the low resistance value and low TCR may be obtained. In addition, a resistor is made by forming the resistive element upon a substrate.Type: GrantFiled: August 25, 2003Date of Patent: July 3, 2007Assignee: KOA Kabushiki KaishaInventor: Satoshi Moriya
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Patent number: 7195723Abstract: A colloidal solution and/or nanocomposite having enhanced energy transfer between thermal, electron, phonons, and photons energy states. The composition comprises a synergistic blend of electrides and alkalides within a medium that effectively alters the mean free path. The composition is optionally further enhanced through externally generated fields and made into energy conversion devices.Type: GrantFiled: October 16, 2003Date of Patent: March 27, 2007Inventor: Michael H. Gurin
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Patent number: 7186355Abstract: The present invention relates to compositions which provide an insulated nanoscopic pathway. The pathway comprises molecules, polymers or nanoscopic particles capable of conducting charge integrated with nanoscopic switches which are capable of electronic communication with the charge-conducting species. Turning “on” the nanoscopic switch electronically “connects” the various molecules/particles, such that a continuous nanoscopic pathway results. The nanoscopic pathway can be used in a sensor, where the switches can act as receptors for analytes. Binding of an analyte can result in a variety of effects on the nanoscopic pathway, including altering the conductivity of the nanoscopic pathway.Type: GrantFiled: February 5, 2001Date of Patent: March 6, 2007Assignee: Massachusetts Institute of TechnologyInventor: Timothy M. Swager
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Patent number: 7138076Abstract: In a dielectric composition for use in formation of a dielectric layer in a plasma display panel, comprising glass powder, the glass powder is powder of glass which contains PbO of 50% or less and CuO as one of essential elements contained in the glass for preventing color change of the dielectric layer from being caused due to reaction with Ag electrodes in the plasma display panel. Ceramics powder can be mixed with the glass powder. The dielectric composition can also be provided in a form of paste, alternatively in a form of a green sheet.Type: GrantFiled: April 24, 2003Date of Patent: November 21, 2006Assignee: Nippon Electric Glass Co., Ltd.Inventors: Norikazu Fukushima, Hiroyuki Oshita, Takayuki Mito, Masahiko Ouji, Kazuo Hadano
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Patent number: 7022265Abstract: Polyamide resin compositions suitable for molded articles comprising polyamide, thermoplastic polyphenol, and of carbon fiber are disclosed. These may optionally include aramid fiber and zinc oxide whisker. Such compositions show remarkable shielding performance when subjected to electromagnetic fields, and with outstanding control of warpage and toughness.Type: GrantFiled: December 19, 2002Date of Patent: April 4, 2006Assignee: E. I. du Pont de Nemours and CompanyInventors: Paul P. Cheng, Yuji Saga
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Patent number: 6962666Abstract: The present invention concerns electrode materials capable of redox reactions by electrons and alkaline ions exchange with an electrolyte. The applications are in the field of primary (batteries) or secondary electrochemical generators, super capacitors and light modulating system of the super capacitor type.Type: GrantFiled: December 22, 2003Date of Patent: November 8, 2005Assignees: ACEP, Inc., Centre National de la Recherche Scientifique, Universite de MontrealInventors: Nathalie Ravet, Simon Besner, Martin Simoneau, Alain Vallée, Michel Armand, Jean-François Magnan
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Patent number: 6896824Abstract: A heat-softening heat-radiation sheet including a polyolefin-based heat-conductive composition which comprises a polyolefin and a heat-conductive filler, has a softening point of 40° C. or above, has a thermal conductivity of 1.0 W/mK or higher, has a viscosity at 80° C. of from 1×102 to 1×105 Pa·s and has a plasticity at 25° C. in the range of from 100 to 700. This heat-radiation sheet which is in the form of a solid sheet at room temperature, can readily be attached to or detached from electronic components and a heat sink, is capable of softening by the heat generated during operation of electronic components, to have the interfacial contact thermal resistance at a negligible level, and has a superior heat-radiation performance.Type: GrantFiled: October 11, 2001Date of Patent: May 24, 2005Assignee: Shin-Etsu Chemical Co., Ltd.Inventors: Kazuhiko Tomaru, Tsutomu Yoneyama, Ryuichi Handa
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Patent number: 6855273Abstract: The present invention concerns electrode materials capable of redox reactions by electrons and alkaline ions exchange with an electrolyte. The applications are in the field of primary (batteries) or secondary electrochemical generators, super capacitors and light modulating system of the super capacitor type.Type: GrantFiled: June 21, 2002Date of Patent: February 15, 2005Assignees: ACEP, Inc., Centre National de la Recherche Scientifique, Universite de MontrealInventors: Nathalie Ravet, Simon Besner, Martin Simoneau, Alain Vallée, Michel Armand, Jean-François Magnan
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Patent number: 6836251Abstract: This invention relates to a radio antenna as a transmitting antenna or a receiving antenna and a mobile radio system. In accordance with the invention, the radio antenna (MS-A, BTS-A) is a planar antenna and consists of one carrier part (1) of an electrically insulating material, of a coating (s) applied thereon and of two spaced coating feeders (3, 4) having an electrical connection to the interstitial coating (2). This coating is made of a coating material, which consists of specific materials in indicated amounts of substances of one binding agent, insulator, dispersing agent and distilled water. By means of the coating (2), electromagnetic waves are transmittable or receivable with a high frequency selectivity being possible in combination with a spherical characteristic.Type: GrantFiled: April 25, 2003Date of Patent: December 28, 2004Assignee: Moletherm Holding AGInventor: Helmut Reichelt
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Patent number: 6835459Abstract: A conductive and weldable anti-corrosion composition for coating metal surfaces which contains: (a) 5 to 40 wt. % of an organic binder containing: (aa) at least one epoxide resin (ab) at least one hardener selected from cyanoguanidine, benzoguanamine and plasticised urea resin (ac) at least one amine adduct selected from polyoxyalkylenetriamine and epoxide resin/amine adducts (b) 0 to 15 wt. % of an anti-corrosion pigment (c) 40 to 70 wt. % of a conductive pigment selected from powdered zinc, aluminum, graphite, molybdenum sulfide, carbon black and iron phosphide (d) 0 to 45 wt. % of a solvent; and a lacquered metal structural part which has a conductive organic layer.Type: GrantFiled: November 6, 2002Date of Patent: December 28, 2004Assignee: Henkel Kommanditgesellschaft auf AktienInventors: Wolfgang Lorenz, Andreas Kunz, Eva Wilke
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Patent number: 6830709Abstract: The invention relates to a liquid composition measurement method. One embodiment of the method comprises the steps of: i) subjecting a liquid composition containing fine particles and a solvent to the following pretreatment steps (a) to (c) to form an agglomerate of fine particles: (a) evaporating the solvent of the liquid composition at 120° C. for 10 hours in an ambient atmosphere, and drying the liquid composition; (b) burning the dried liquid composition resulting from the pretreatment step (a) at 700° C. after raising the temperature from 120° C. to 700° C. over one hour; (c) cooling a burned product obtained in the pretreatment step (b) to room temperature, powdering the burned product to obtain agglomerates of the fine particles; and ii) vacuum degassing the agglomerates at 120° C. for 8 hours, and measuring physical properties of pores of the agglomerates by a nitrogen adsorption and desorption method.Type: GrantFiled: October 2, 2001Date of Patent: December 14, 2004Assignee: Canon Kabushiki KaishaInventors: Hiroshi Tomioka, Masao Kato, Makiko Endo
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Patent number: 6825595Abstract: Provided are a composite for paste including carbon nanotubes (CNTs), an electron emitting device using the same, and a manufacturing method thereof. The provided composite for paste includes 5 to 40 parts by weight of CNTs, 5 to 50 parts by weight of alkali metal silicate, and 1 to 20 parts by weight of a binder. The provided electron emitting device includes electron emitting tips, which are located on cathode electrodes in wells and formed of the composite for paste including 5 to 40 parts by weight of CNTs, 5 to 50 parts by weight of alkali metal silicate, and 1 to 20 parts by weight of a binder. The electron emitting device has excellent stability and durability and uniformly emits electrons from a large area, thereby improving the overall performance of an apparatus using the electron emitting device.Type: GrantFiled: November 25, 2002Date of Patent: November 30, 2004Assignee: Samsung SDI Co., Ltd.Inventors: Yong-wan Jin, Jae-eun Jung
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Patent number: 6821919Abstract: A nanocomposite having titanium aluminum carbon nitride and amorphous carbon is disclosed, and the nanocomposite comprises a titanium aluminum carbon nitride grain of nanometer scale and an amorphous carbon matrix, wherein the titanium aluminum carbon nitride grain of nanometer scale is embedded into the amorphous carbon matrix. The method for coating the nanocomposite of titanium aluminum carbon nitride-amorphous carbon on a substrate comprises: depositing the substrate in a reaction chamber; and igniting plasma to clean and remove an oxide layer and adsorptive on the substrate; injecting a reaction gas. The reaction gas is activated and thermal decomposed by plasma to form the nanocomposite coating layer of titanium aluminum carbon nitride-amorphous carbon on the surface of the substrate.Type: GrantFiled: November 27, 2002Date of Patent: November 23, 2004Assignee: National Cheng Kung UniversityInventors: Ming-Hsiung Hon, Jiann Shieh
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Patent number: 6814890Abstract: A process for preparing a mixed solvent adhesive solution involving mixing an alcohol and an adhesive to form an adhesive solution; mixing a charge transporting molecule and a solvent other than alcohol to form a charge transport solution; mixing the charge transport solution with the adhesive solution to form a mixed solvent solution; mixing an electrically conductive filler and a solvent to form a filled solvent solution; and mixing the filled solvent solution to the mixed solvent solution so as to form a mixed solvent adhesive solution.Type: GrantFiled: July 3, 2001Date of Patent: November 9, 2004Assignee: Xerox CorporationInventors: Ihor W. Tamawskyj, Xiaoying Yuan, Raymond K. Crandall
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Patent number: 6811917Abstract: A conductive, moldable composite material for the manufacture of electrochemical cell components comprising a thermosetting resin system and conductive filler wherein the thermosetting resin composition comprises: (1) a polybutadiene or polyisoprene resin; (2) an optional functionalized liquid polybutadiene or polyisoprene resin; (3) an optional butadiene- or isoprene-containing copolymer; and (4) an optional low molecular weight polymer. In a preferred embodiment, the conductive moldable composite material is used to form a bipolar plate, current collector or other electrochemical cell component. Articles made of the conductive moldable composite material are resistant to chemical attack and hydrolysis, have excellent mechanical strength and toughness, have a volume resistivity of about 0.116 ohm-cm or less and preferably about 0.04 ohm-cm or less and a thermal conductivity of at least about 5 watts/meter ° K.Type: GrantFiled: August 14, 2001Date of Patent: November 2, 2004Assignee: World Properties, Inc.Inventors: Bruce B. Fitts, Vincent R. Landi, Saroj Kumar Roy
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Patent number: 6793850Abstract: An alkali development type photocurable composition comprises (A) an alkali-soluble macromolecular binder having a weight-average molecular weight in the range of 5,000 to 100,000 and an acid value in the range of 50 to 150 mg KOH/g and obtained by causing (d) a compound possessing one glycidyl group in its molecule to react with a carboxyl group of (A-1) a copolymer of (a) an ethylenically unsaturated bond-containing compound possessing one carboxyl group in its molecule with (b) an ethylenically unsaturated bond-containing compound possessing neither hydroxyl group nor acidic group in its molecule, or a carboxyl group of (A-2) a copolymer of the compounds (a) and (b) mentioned above and (c) an ethylenically unsaturated bond-containing compound possessing a hydroxyl group and then causing (e) a polybasic acid anhydride to react with a hydroxyl group caused by the above reaction, (B) an inorganic powder, (C) a photopolymerizable monomer, (D) a photopolymerization initiator, and (E) an organic solvent.Type: GrantFiled: January 11, 2002Date of Patent: September 21, 2004Assignee: Taiyo Ink Manufacturing Co., Ltd.Inventors: Kyo Ichikawa, Kouichi Takagi, Nobuyuki Suzuki
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Publication number: 20040066132Abstract: Disclosed is an electron emission source composition for a field emission display device including 1 to 20% by weight of carbon nano tubes; glass frit; an organic binder resin comprising ethyl cellulose and acrylate resin and/or acryl resin; and an organic solvent, wherein the glass frit is present in an amount of 1 to 500 parts by weight with respect to 100 parts by weight of the carbon nano tubes.Type: ApplicationFiled: April 22, 2003Publication date: April 8, 2004Inventors: Sung-Hee Cho, Min-Jae Yoon
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Patent number: 6689296Abstract: A conductive paste for defogging heat wires of automobile windows contains a silver powder having particle size in the range of about 0.1 to 20 &mgr;m, a molybdenum compound such as molybdenum silicide or molybdenum boride, a glass frit having a softening point of 730° C. or less and an organic vehicle. The conductive paste can uniformly darken the conductive heat wire regions of the automobile window without producing any harmful substances. Also, it can ensure sufficient bonding strength of lead wires.Type: GrantFiled: October 22, 2002Date of Patent: February 10, 2004Assignee: Murata Manufacturing Co. LTDInventors: Akira Nagai, Fumiya Adachi
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Publication number: 20040004806Abstract: This invention relates to a novel operating electrolyte on the basis of glycol/boric acid/borate, which contains, as an inhibitor protecting the aluminum oxide layer from corrosion, a weak acid with an organic backbone, said acid group being selected from carboxylic acid, sulfonic acid, phosphonic acid or an acid derivative of said acids.Type: ApplicationFiled: June 9, 2003Publication date: January 8, 2004Inventors: Thomas Ebel, Frank Stippich, J?uuml;rgen Behm, Olaf Magnussen, Stefan Lauterborn
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Patent number: 6673273Abstract: Electrolyte compositions for use in cells and batteries that include a crosslinked solid ionically conductive polymer having urethane groups, urea groups, thiocarbamate groups, or combinations thereof, particles, and a salt. Certain electrolyte compositions include a liquid thereby forming a gel electrolyte composition.Type: GrantFiled: October 24, 2001Date of Patent: January 6, 2004Assignee: 3M Innovative Properties CompanyInventors: Dinh Ba Le, Jerome Edward Scanlan, Ravindra L. Arudi
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Patent number: 6652777Abstract: Disclosed are methods for manufacturing electromagnetic interference shields for use in nonconductive housings of electronic equipment. In one embodiment, the shield may include an electrically nonconductive substrate, such as a thermoformable film, coated with an electrically conductive element, such as an extensible ink or a combination of conductive fibers with an extensible film. In one embodiment, a compressible conductive perimeter gap gasket may be formed by using a form in place process.Type: GrantFiled: February 28, 2001Date of Patent: November 25, 2003Assignee: Amesbury Group, Inc.Inventors: Martin L. Rapp, Jeff McFadden, Frank T. McNally
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Patent number: 6652819Abstract: A process for the production of a vanadium compound from carbonaceous residues containing vanadium, which includes the steps of: (a) combusting the carbonaceous residues at a temperature of 500-690° C. in an oxygen-containing gas to form vanadium-containing combustion residues; (b) heating the vanadium-containing combustion residues at a temperature T in ° C. under an oxygen partial pressure of at most T in kPa wherein T and P meet with the following conditions: log10(P)=−3.45×10−3×T+2.21 500≦T≦1300 to obtain a solid product containing less than 5% by weight of carbon and vanadium at least 80% of which is tetravalent vanadium oxide; (c) selectively leach tetravalent vanadium ion with sulfuring acid at pH in the range of 1.5-4; (d) separating a liquid phase from the leached mixture; (e) adding an alkaline substance to the liquid phase to adjust the pH thereof in the range of 4.5-7.Type: GrantFiled: June 5, 2001Date of Patent: November 25, 2003Assignee: Chiyoda CorporationInventors: Yoshimi Shiroto, Ataru Wakabayashi
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Patent number: 6649090Abstract: A liquid composition is formed into a coating layer state in which negative ions are steadily released. The liquid composition includes a finely powdered mineral that generates negative ions mixed with a binder liquid that is conductive and/or a binder liquid in which a conductive substance is dispersed.Type: GrantFiled: December 8, 2000Date of Patent: November 18, 2003Assignee: Gantan Beauty Industry Co., Ltd.Inventors: Motokatsu Funaki, Teruo Tamanoi, Kouji Yanagimachi, Akifusa Funaki
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Patent number: 6635193Abstract: In a dielectric composition for use in formation of a dielectric layer in a plasma display panel, comprising glass powder, the glass powder is powder of glass which contains PbO of 50% or less and CuO as one of essential elements contained in the glass for preventing color change of the dielectric layer from being caused due to reaction with Ag electrodes in the plasma display panel. Ceramics powder can be mixed with the glass powder. The dielectric composition can also be provided in a form of paste, alternatively in a form of a green sheet.Type: GrantFiled: August 11, 2000Date of Patent: October 21, 2003Assignee: Nippon Electric Glass Co., Ltd.Inventors: Norikazu Fukushima, Hiroyuki Oshita, Takayuki Mito, Masahiko Ouji, Kazuo Hadano
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Patent number: 6628748Abstract: In a device and a method for the analysis of atomic and molecular elements by way of wavelength dispersive x-ray spectrometric structures including at least one mirror or focussing device having a multi-layer structure onto which fluorescent radiation generated by primary x-ray or electrons beams from a sample to be examined is directed and the reflected fluorescence radiation is supplied to a measuring device for determining the nature of impurities contained in the sample, the multi-layer structure consists of at least a lanthanum layer and a boron carbide layer.Type: GrantFiled: December 7, 2001Date of Patent: September 30, 2003Assignee: GKSS-Forschungszentrum Geesthacht GmbHInventors: Carsten Michaelsen, Rüdiger Bormann
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Patent number: 6607676Abstract: Carbonaceous semiconductor material is prepared by heating an organic polymer to carbonize the polymer and incorporating into the carbonized polymer one or more hetero atoms such as those of Group II, III, IV, V and VI of the Periodic Table. Carbonaceous semiconductor material is also prepared by heating an organic polymer containing one or more of the hetero atoms until the hetero atom-containing polymer is carbonized.Type: GrantFiled: May 8, 2002Date of Patent: August 19, 2003Assignee: Ube Industries, Ltd.Inventors: Masao Doyama, Shigehiko Yamada
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Publication number: 20030151030Abstract: An enhanced conductivity nanocomposite having reduced conductivity path directionality dependence as a means for enhancing the electrical and thermal conductivity. The composition comprises a synergistic blend of metal (and their derivatives) and carbon (preferably nanotubes) powder both average particle sizes in the nanometer to micron size range. The carrier medium is selected from the group of interpolymers, polymers, gaseous and liquid fluids, and phase change materials. The synergistic nanocomposite, when mixed with a conductive medium, exhibits enhanced heat transfer capacity, and electrical and thermal conductivity, stable chemical composition, faster heat transfer rates, and dispersion maintenance which are beneficial to most thermal or electrical transfer systems.Type: ApplicationFiled: March 18, 2003Publication date: August 14, 2003Inventor: Michael H. Gurin
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Patent number: 6558578Abstract: Conductive paste for the electrical industry based on at least one elastomer (10) and on an admixture of conducting particles in the form of fibers (20), in which the fibers (20) are flexible and have been embedded in the elastomer (10) in random orientation and with formation of a large number of contact points.Type: GrantFiled: February 13, 2001Date of Patent: May 6, 2003Assignee: Laird Technologies, Inc.Inventors: Jean-Alec Ducros, Mohamed Aït El Cadi