Patents Examined by William Young
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Patent number: 10100138Abstract: Provided is a dispersant used for dispersion of metal particles, the dispersant including: a constituent unit derived from a compound represented by General Formula (I) below; and a constituent unit derived from a compound having an ionic group, where in General Formula (I) above, R1 is a hydrogen atom or a methyl group, x is a natural number of 2 or greater, and n is a natural number of 1 or greater.Type: GrantFiled: August 13, 2014Date of Patent: October 16, 2018Assignee: Ricoh Company, Ltd.Inventor: Masahiro Yanagisawa
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Patent number: 10074855Abstract: An electrode for a lithium secondary battery including a silicon-based alloy having an expansion coefficient of 10% or greater and an electrochemically inactive whisker, and a lithium secondary battery using the electrode for a lithium secondary battery.Type: GrantFiled: May 27, 2014Date of Patent: September 11, 2018Assignees: Samsung SDI Co., Ltd., SNU R&DB FoundationInventors: Jae-Hyuk Kim, Young-Ugk Kim, Seung-Uk Kwon, Soon-Sung Suh, Hee-Young Chu, Duk-Hyoung Yoon, Chang-Ui Jeong, Yo-Han Park, Kyu-Hwan Oh, Seoung-Bum Son, Seul-Cham Kim, Chan-Soon Kang
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Patent number: 10056174Abstract: A thermistor material for a short range of low temperature use includes a matrix material composed of nitride-based and/or oxide-based insulating ceramics, conductive particles composed of ?-SiC and dispersed in the grain boundary of each crystal grain of the matrix material so as to form an electric conduction path. The thermistor material further contains boron and second conductive particles added thereto, which are composed of a metal or an inorganic compound, having a specific electric resistance value at room temperature lower than that of the ?-SiC and a melting point of 1700° C. or more. Such a thermistor material is produced by mixing matrix powder, conductive powder, second conductive powder, boron powder, and a sintering agent as necessary such that a temperature coefficient of resistance (B value) and a specific electric resistance value at room temperature are each within a predetermined range, and molding and sintering the resultant mixture.Type: GrantFiled: March 19, 2013Date of Patent: August 21, 2018Assignee: KABUSHIKI KAISHA TOYOTA CHUO KENKYUSHOInventor: Katsunori Yamada
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Patent number: 10026519Abstract: Free radically crosslinked, electrically conductive compositions exhibiting a highly stable volume resistivity comprise an olefin multiblock copolymer (OBC) and a conductive filler, e.g., a conductive carbon black. These compositions exhibit a highly stable volume resistivity relative to a composition similar in essentially all aspects save that the OBC is replaced with a conventional polyethylene of similar density and melt index.Type: GrantFiled: May 26, 2011Date of Patent: July 17, 2018Assignee: UNION CARBIDE CHEMICALS & PLASTICS TECHNOLOGY LLCInventor: Mohamed Esseghir
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Patent number: 10011694Abstract: A polyimide-carbon nanotube composite film is provided. The composite film includes a carbon nanotube, and a polyimide obtainable by imidizing a poly(amic acid).Type: GrantFiled: February 3, 2017Date of Patent: July 3, 2018Assignee: Nanyang Technological UniversityInventors: Bee Eng Mary Chan, Wei Yuan
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Patent number: 10000651Abstract: Provided are metal nanoparticle composite body whose multiple properties, such as a good metal nanoparticle control property, high dispersion stability, a good low-temperature firing property, and ease of purifying and separating metal nanoparticles, are intentionally added and controlled so that practical electrical conductivity can be exhibited, a metal colloidal solution in which the metal nanoparticle composite body is dispersed, and methods for producing these. A metal nanoparticle composite body includes a nitrogen-containing compound (A) and a metal nanoparticle (B), in which the nitrogen-containing compound (A) contains an oxidized nitrogen atom. A metal colloidal solution is obtained by dispersing the metal nanoparticle composite body in a medium. A method for producing a metal colloidal solution is characterized in that metal ions are reduced in a medium in the presence of a nitrogen-containing compound (A) containing an oxidized nitrogen atom so as to form metal nanoparticles (B).Type: GrantFiled: July 22, 2013Date of Patent: June 19, 2018Assignee: DIC CorporationInventors: Seungtaeg Lee, Tsuyoshi Morita, Masayuki Moriwaki, Akeo Takahashi, Tomoyo Kajii, Zongwu Yao
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Patent number: 9993875Abstract: Systems and methods for fabricating nanostructures using other nanostructures as templates. A method includes mixing a dispersion and a reagent solution. The dispersion includes nanostructures such as nanowires including a first element such as copper. The reagent solution includes a second element such as silver. The second element at least partially replaces the first element in the nanostructures. The nanostructures are optionally washed, filtered, and/or deoxidized.Type: GrantFiled: January 5, 2015Date of Patent: June 12, 2018Assignee: NTHDEGREE TECHNOLOGIES WORLDWIDE, INC.Inventors: Vera N. Lockett, Mark D. Lowenthal, William J. Ray, John Gustafson
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Patent number: 9991021Abstract: Polymer compositions containing a polyoxymethylene base polymer that is compounded with a conductive filler and pigment carbon black are disclosed that exhibit electrostatic dissipative (ESD) capabilities while also being laser weldable. The polymer composition can be formed into shaped or molded articles such as filters, flanges, connectors, etc. for use in fuel systems where conductivity, ductility, weldability, and resistance to aggressive fuels are required. The compositions can be compounded into a pellet product which can then be formed into a shaped article that complies with the ESD capabilities required by SAE J1645. At the same time, parts produced from the compositions can absorb laser energy sufficiently to form a high quality welded interface with parts produced from other compositions that are transparent to laser radiation and cannot absorb laser energy sufficiently.Type: GrantFiled: December 3, 2013Date of Patent: June 5, 2018Assignee: Ticona LLCInventors: Jeremy Hager Klug, Dwight D. Smith, Richard Novaco
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Patent number: 9972742Abstract: Metal nanowires with high linearity can be produced using metal salts at a relatively low temperature. A transparent conductive film can be formed using the metal nanowires. Particularly, the transparent conductive film has high transmittance, low sheet resistance, and good thermal, chemical and mechanical stability. The transparent conductive film has a high electrical conductivity due to the high linearity of the metal nanowires. The metal nanowires take up 5% or less of the volume of the transparent conductive film, ensuring high transmittance of the transparent conductive film. Furthermore, the metal nanowires are useful as replacements for existing conductive materials, such as ITO, conductive polymers, carbon nanotubes and graphene. The metal nanowires can be applied to flexible substrates and other various substrates due to their good adhesion and high applicability to the substrates. Moreover, the metal nanowires can find application in various fields, such as displays and solar cell devices.Type: GrantFiled: February 24, 2015Date of Patent: May 15, 2018Assignee: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Young-Jei Oh, Byung-yong Wang
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Patent number: 9945026Abstract: A sintered compact sputtering target in which a composition ratio based on atomicity is represented by a formula of (Fe100-x—Ptx)100-A—CA (provided A is a number which satisfies 20?A?50 and X is a number which satisfies 35?X?55), wherein C grains are finely dispersed in an alloy, and the relative density is 90% or higher. The production of a magnetic thin film with granular structure is provided without using an expensive simultaneous sputtering device, and a high-density sputtering target capable of reducing the amount of particles generated during sputtering is provided.Type: GrantFiled: November 14, 2011Date of Patent: April 17, 2018Assignee: JX Nippon Mining & Metals CorporationInventors: Atsushi Sato, Shin-ichi Ogino
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Patent number: 9947916Abstract: A non-aqueous electrolyte secondary battery is provided that has both good safety and durability characteristics while at the same time has high charge/discharge capacity. The cathode active material for a non-aqueous electrolyte secondary battery of the present invention is a lithium nickel composite oxide to which at least two or more kinds of metal elements including aluminum are added, and comprises secondary particles that are composed of fine secondary particles having an average particle size of 2 ?m to 4 ?m, and rough secondary particles having an average particle size of 6 ?m to 15 ?m, with an overall average particle size of 5 ?m to 15 ?m; where the aluminum content of fine secondary particles (metal mole ratio: SA) is greater than the aluminum content of rough secondary particles (metal mole ratio: LA), and preferably the aluminum concentration ratio (SA/LA) is within the range 1.2 to 2.6.Type: GrantFiled: February 9, 2011Date of Patent: April 17, 2018Assignees: SUMITOMO METAL MINING CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Syuhei Oda, Hiroyuki Toya, Katsuya Kase, Yutaka Oyama
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Patent number: 9928931Abstract: A process for producing a cadmium free electrical contact material having at least one metal and magnesium stannate Mg2SnO4. The process includes mixing pulverulent magnesium stannate Mg2SnO4 or a mamesium stannate precursor compound with at least one metal powder and optionally further oxides, pressing the mixture in order to obtain a compact and sintering the compact to obtain a sintered body.Type: GrantFiled: March 26, 2013Date of Patent: March 27, 2018Assignee: UMICORE TECHNICAL MATERIALS AG & CO. KGInventor: Michael Bender
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Patent number: 9920212Abstract: Low temperature processes for converting mixtures of metal inks into alloys. The alloys can be dealloyed by etching. A method comprising: depositing at least one precursor composition on at least one substrate to form at least one deposited structure, wherein the precursor composition comprises at least two metal complexes, including at least one first metal complex comprising at least one first metal and at least one second metal complex different from the first metal complex and comprising at least one second metal different from the first metal, treating the deposited structure so that the first metal and the second metal become elemental forms of the first metal and the second metal in a treated structure. Further, one can remove at least some of the first metal to leave a nanoporous material comprising at least the second metal. Precursor compositions can be formulated to be homogeneous compositions.Type: GrantFiled: May 20, 2016Date of Patent: March 20, 2018Assignee: Liquid X Printed Metals, Inc.Inventors: Richard D. McCullough, John Belot, Rebecca Potash
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Patent number: 9922744Abstract: A method of making a composition, comprising: (1) oxidizing graphite to graphite oxide using at least one sulfur-containing reagent, (2) exfoliating the graphite oxide to form graphene sheets, and (3) blending the graphene sheets with elemental sulfur and/or at least one organosulfur compound, wherein the graphene sheets comprise at least about 1 weight percent sulfur. The composition may be made into an electrode that may be used in batteries, including lithium sulfur batteries.Type: GrantFiled: November 14, 2012Date of Patent: March 20, 2018Inventor: John S. Lettow
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Patent number: 9870840Abstract: According to example embodiments, a metallic glass includes aluminum (Al), a first element group, and a second element group. The first element group includes at least one of a transition metal and a rare earth element. The second element group includes at least one of an alkaline metal, an alkaline-earth metal, a semi-metal, and a non-metal. The second element group and aluminum have an electronegativity difference of greater than or equal to about 0.25. The second element group is included less than or equal to about 3 at % of the metallic glass, based on the total amount of the aluminum (Al), the first element group, and the second element group. A conductive paste and/or an electrode of an electronic device may be formed using the metallic glass.Type: GrantFiled: January 2, 2014Date of Patent: January 16, 2018Assignees: Samsung Electronics Co., Ltd., Yonsi University, University-Industry Foundation (UIF)Inventors: Jin Man Park, Keum Hwan Park, Eun Sung Lee, Suk Jun Kim, Se Yun Kim, Sang Soo Jee, Do-hyang Kim
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Patent number: 9840762Abstract: A process for the preparation of an activated polymer particle comprising contacting a polymer particle with at least one polyamine, wherein said polyamine has three or more amino groups, to form a surface treated polymer particle; and applying a catalyst to the surface treated polymer particle to form an activated polymer particle. In some examples, the process can further comprise applying a metal coating to said activated polymer particle to form a metal coated polymer particle.Type: GrantFiled: October 28, 2011Date of Patent: December 12, 2017Assignee: Conpart ASInventors: Keith Redford, Ionel Halaciuga, Dan V. Goia, Cathrine Braein Nilsen
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Patent number: 9818890Abstract: Paste compositions, methods of making a paste composition, and methods of making a solar cell contact are disclosed. The paste composition can contain a nickel intermetallic compound such as nickel silicide, nickely boride or nickel phosphide, a glass frit, a metal additive and an organic vehicle system. The paste can be used for making a solar cell contact.Type: GrantFiled: April 18, 2013Date of Patent: November 14, 2017Assignee: Ferro CorporationInventors: Himal Khatri, Aziz S. Shaikh, Srinivasan Sridharan, Klaus Kunze
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Patent number: 9809883Abstract: The copper electroless baths are formaldehyde free and are environmentally friendly. The electroless copper baths include one or more sulfinate compounds as reducing agents to replace formaldehyde. The electroless baths are stable and deposit a bright copper on substrates.Type: GrantFiled: July 10, 2015Date of Patent: November 7, 2017Assignee: Rohm and Haas Electronic Materials LLCInventors: Andy Lok-Fung Chow, Dennis Kwok-Wai Yee, Crystal P. L. Li
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Patent number: 9786463Abstract: The conductive paste contains the following dispersed in a binder resin dissolved in a solvent: a plurality of particles comprising aluminum and/or an aluminum-containing alloy; and an oxide-comprising powder. The oxide contains vanadium with a valence no greater than 4 and a glass phase. In the method for manufacturing an electronic component, the conductive paste is applied to a substrate and fired, forming electrode wiring. The electronic component is provided with electrode wiring that has: a plurality of particles comprising aluminum and/or an aluminum-containing alloy; and an oxide affixing the particles to a substrate. The oxide contains vanadium with a valence no greater than 4. A compound layer containing vanadium and aluminum is formed on the surfaces of the particles, and the vanadium in the compound layer includes vanadium with a valence no greater than 4. This results in an electrode wiring with high reliability and water resistance.Type: GrantFiled: February 17, 2011Date of Patent: October 10, 2017Assignees: HITACHI, LTD., HITACHI CHEMICAL COMPANY, LTD.Inventors: Takuya Aoyagi, Takashi Naito, Yuji Hashiba, Kei Yoshimura, Shinichi Tachizono
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Patent number: 9725628Abstract: A conductive adhesive is provided useful for providing electrically conductive joints in joins between panels, particularly conductive carbon composite panels in a WESP, is prepared from a corrosion resistant resin and particulate carbon black which is uniformly dispersed in the resin.Type: GrantFiled: March 19, 2015Date of Patent: August 8, 2017Assignee: MEGTEC TURBOSONIC INC.Inventor: Paul McGrath