Patents Examined by Tri V. Nguyen
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Patent number: 10364359Abstract: A self-healing polymer is described herein, including a first carbon nanotube filled with at least a first healing agent, wherein the first carbon nanotube has first and second ends, wherein a first end cap is closed on the first end of the first carbon nanotube and a second end cap is closed on the second end of the first carbon nanotube, and a second carbon nanotube filled with at least a second healing agent, wherein the second carbon nanotube has first and second ends, wherein a first end cap is closed on the first end of the second carbon nanotube and a second end cap is closed on the second end of the second carbon nanotube.Type: GrantFiled: November 2, 2018Date of Patent: July 30, 2019Assignee: Tesla NanoCoatings, Inc.Inventor: Jorma Antero Virtanen
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Patent number: 10364189Abstract: Methods for forming ceramic cores are disclosed. A ceramic core formed using the method of the present application includes a silica depletion zone encapsulating an inner zone. The inner zone includes mullite and the silica depletion zone includes alumina. The method includes heat-treating a ceramic body in a non-oxidizing atmospheric condition for an effective temperature and time combination at a pressure less than 10?2 atmosphere to form the silica depletion zone at a surface of the ceramic core.Type: GrantFiled: May 4, 2017Date of Patent: July 30, 2019Assignee: General Electric CompanyInventors: Anthony Yu-Chung Ku, Xi Yang, Tao Li, John Patrick Pollinger, Zachary Kenneth Mowry, Frederic Joseph Klug
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Patent number: 10362673Abstract: A nano graphene platelet-based conductive ink comprising: (a) nano graphene platelets (preferably un-oxidized or pristine graphene), and (b) a liquid medium in which the nano graphene platelets are dispersed, wherein the nano graphene platelets occupy a proportion of at least 0.001% by volume based on the total ink volume and a process using the same. The ink can also contain a binder or matrix material and/or a surfactant. The ink may further comprise other fillers, such as carbon nanotubes, carbon nano-fibers, metal nano particles, carbon black, conductive organic species, etc. The graphene platelets preferably have an average thickness no greater than 10 nm and more preferably no greater than 1 nm. These inks can be printed to form a range of electrically or thermally conductive components or printed electronic components.Type: GrantFiled: August 19, 2016Date of Patent: July 23, 2019Assignee: Nanotek Instuments, Inc.Inventors: Aruna Zhamu, Bor Z Jang
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Patent number: 10361275Abstract: A graphene doped with different dopants and a method for preparing the same are disclosed. A method for preparing a multi-doped graphene includes: mixing a metal-based dopant and at least one organic-based dopant to prepare a doping solution; stacking a graphene layer on a substrate; and doping the graphene layer with the doping solution that includes the metal-based dopant and the at least one organic-based dopant. The method allows maintaining the transparency of the prepared graphene and minimizing the sheet resistance of the graphene while not damaging a substrate on which the graphene is stacked.Type: GrantFiled: March 10, 2017Date of Patent: July 23, 2019Assignee: LG ELECTRONICS INC.Inventors: Mynghee Jung, Nami Byun, Jinsan Moon
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Patent number: 10351677Abstract: A graphene-containing composite material comprises components of a composite functional material with a double-conductive channel and a polymer matrix. The composite functional material with a double-conductive channel is sulfonated graphene surface grafted conductive polymer poly-3,4-(ethylenedioxythiophene). The composite functional material with a double-conductive channel and the graphene-containing composite material can be used for preparing a piezoresistance response material or an antistatic or electromagnetic shielding material and the like, and have excellent piezoresistance response, piezoresistance repeatability and electromagnetic shielding effect. The present invention is simple and easy to operate, can be used in large scale production, has excellent piezoresistance performance and very sensitive piezoresistance response, with the percolation threshold being only 0.Type: GrantFiled: December 23, 2014Date of Patent: July 16, 2019Assignee: SHANGHAI UNIVERSITY OF ENGINEERING SCIENCEInventors: Chao Zhou, Sihao Chen, Jianzhong Lou
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Patent number: 10351804Abstract: Disclose herein is a composition comprising a hydrocarbon solvent; an aromatic solvent; a methylated siloxane; and a surfactant. Also disclosed is a method of preparing an emulsion for cleaning purposes comprising mixing a solution at a rate of greater than 500 rpm for at least two hours, wherein the solution comprises a hydrocarbon solvent, an aromatic solvent, a methylated siloxane, and a surfactant. In addition, disclosed herein is a method of cleaning rollers, plates, or blankets of a printing machine with a cleaning mixture, the method comprising contacting the rollers or blankets with the cleaning mixture, wherein the cleaning mixture comprises a hydrocarbon solvent, an aromatic solvent, a methylated siloxane, and a surfactant.Type: GrantFiled: May 12, 2016Date of Patent: July 16, 2019Assignee: Explorer Pressroom SolutionInventors: Raymond Dabela, Jeffrey L. Rogers
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Graphene, composition for preparing graphene, and method of preparing graphene using the composition
Patent number: 10347387Abstract: Graphene, a composition for preparing graphene, and a method of preparing graphene using the composition are disclosed.Type: GrantFiled: August 10, 2017Date of Patent: July 9, 2019Assignee: HANWHA AEROSPACE CO., LTD.Inventors: Dukhwa Na, Dongkwan Won, Euisoo Park, Jaechul Ryu -
Patent number: 10340512Abstract: The invention relates to a composite made of a porous carbon and an active material containing sulphur and to method for producing same. A method for producing a composite made of a porous carbon structure and sulphur is disclosed, said composite being characterized by a high capacitance and a low capacitance loss, when used as an electrode material for a lithium-sulphur secondary battery. According to the invention, a dispersion of carbon powder, an active material containing sulphur and an aqueous medium are treated hydrothermally at a temperature sufficient for melting sulphur. The liquid phase which forms, which contains the melted sulphur and water, infiltrates the pores of the porous carbon.Type: GrantFiled: May 23, 2017Date of Patent: July 2, 2019Assignee: Heraeus Quarzglas GmbH & Co. KGInventors: Matthias Otter, Jörg Becker, Sascha Pihan, Christian Neumann
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Patent number: 10332650Abstract: The present invention relates to a carbon-metal composite and a method for preparing carbon-metal composite, and more particularly to a method for preparing carbon-metal composite, which: is capable of reducing graphene oxide; which is capable of decreasing the steps and the time for hybridization of graphene which is obtained from the reduction, graphene or carbon nanotube, with metal; which is done under mild condition and; also which is capable of lowering resistivity of the carbon-metal composite. The method for preparing the carbon-metal composite comprises the steps of: reacting a composition containing a carbon compound selected from a group consisting of graphene, graphene oxide and carbon nanotube, a metallic precursor, a reducing agent and a solvent; and removing solvent partially or wholly from the composition reaction-completed.Type: GrantFiled: June 24, 2016Date of Patent: June 25, 2019Assignee: DONGJIN SEMICHEM CO., LTD.Inventors: Seon Yeong Gong, Soo Yeon Lee, Hyeonseong Choe, Chongchan Lee
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Patent number: 10329436Abstract: A self-healing polymer is described herein, including a first carbon nanotube filled with at least a first healing agent, wherein the first carbon nanotube has first and second ends, wherein a first end cap is closed on the first end of the first carbon nanotube and a second end cap is closed on the second end of the first carbon nanotube, and a second carbon nanotube filled with at least a second healing agent, wherein the second carbon nanotube has first and second ends, wherein a first end cap is closed on the first end of the second carbon nanotube and a second end cap is closed on the second end of the second carbon nanotube.Type: GrantFiled: May 30, 2018Date of Patent: June 25, 2019Assignee: Tesla NanoCoatings, Inc.Inventor: Jorma Antero Virtanen
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Patent number: 10328659Abstract: The present invention provides a honeycomb structure that is light in weight, that has high strength and rigidity, and that is also excellent in water resistance and moldability. The honeycomb structure of the present invention comprises a thermoplastic resin composition containing a polyamide (A) and a modified polyolefin (B), wherein: the polyamide (A) comprises a diamine unit that contains a xylylenediamine unit for 70 mol % or more and a dicarboxylic acid unit that contains an ?,?-linear aliphatic dicarboxylic acid unit with a carbon number of 4-20 for 50 mol % or more; the modified polyolefin (B) is a polyolefin having a reactive functional group that is selected from an epoxy group and the like; and the blending ratio of polyamide (A)/modified polyolefin (B) is in a range of 100/15-70 on a mass basis.Type: GrantFiled: July 29, 2015Date of Patent: June 25, 2019Assignee: Mitsubishi Gas Chemical Company, Inc.Inventor: Nobuhiko Matsumoto
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Patent number: 10326077Abstract: Disclosed herein is a method for preparing large soluble graphenes. The method comprises attaching one or more hindering groups to the graphene, which can prevent face-to-face graphene stacking by reducing the effects of inter-graphene attraction. The large graphenes can absorb a wide spectrum of light from UV to near infrared, and are useful in photovoltaic devices and sensitizers in nanocrystalline solar cells.Type: GrantFiled: June 30, 2016Date of Patent: June 18, 2019Assignee: Indiana University Research and Technology CorporationInventors: Liang-shi Li, Xin Yan
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Patent number: 10322935Abstract: Embodiments described herein relate generally to large scale synthesis of thinned graphite and in particular, few layers of graphene sheets and graphene-graphite composites. In some embodiments, a method for producing thinned crystalline graphite from precursor crystalline graphite using wet ball milling processes is disclosed herein. The method includes transferring crystalline graphite into a ball milling vessel that includes a grinding media. A first and a second solvent are transferred into the ball milling vessel and the ball milling vessel is rotated to cause the shearing of layers of the crystalline graphite to produce thinned crystalline graphite.Type: GrantFiled: September 20, 2016Date of Patent: June 18, 2019Assignee: NanoXplore Inc.Inventors: Marie Bozalina, Philippe Perret, Soroush Nazarpour
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Patent number: 10316236Abstract: A paste composition including: a carbon nanotube; a microemulsion adsorbed on a surface of the carbon nanotube, wherein the microemulsion includes a metal precursor and a surfactant; and an organic vehicle.Type: GrantFiled: December 2, 2016Date of Patent: June 11, 2019Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Haengdeog Koh, Hajin Kim, Seyun Kim, Soichiro Mizusaki
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Patent number: 10316247Abstract: An atom, molecule, atomic layer, or molecular layer is adhered to a carbon nanotube surface, or the surface is doped with the atom, molecule, atomic layer, or molecular layer, to form a deep localized level so that an exciton is localized. Alternatively, an atom, molecule, inorganic or organic substance of an atomic or molecular layer, a metal, a semiconductor, or an insulator is absorbed to, deposited on, or encapsulated in the carbon tube inside surface to make permittivity of the portion undergoing the absorption, deposition, or encapsulation higher than that of a clean portion free of the absorption, deposition, or encapsulation so that binding energy of the exciton in the clean portion is high, or reduce a band gap of the portion undergoing the absorption, deposition, or encapsulation so that the exciton is confined and localized in the clean portion or the position undergoing the absorption, deposition, or encapsulation.Type: GrantFiled: April 18, 2016Date of Patent: June 11, 2019Assignee: KEIO UNIVERSITYInventor: Hideyuki Maki
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Patent number: 10319487Abstract: A process for producing a transparent conductive film, comprising (a) providing a graphene oxide gel; (b) dispersing metal nanowires in the graphene oxide gel to form a suspension; (c) dispensing and depositing the suspension onto a substrate; and (d) removing the liquid medium to form the film. The film is composed of metal nanowires and graphene oxide with a metal nanowire-to-graphene oxide weight ratio from 1/99 to 99/1, wherein the metal nanowires contain no surface-borne metal oxide or metal compound and the film exhibits an optical transparence no less than 80% and sheet resistance no higher than 300 ohm/square. This film can be used as a transparent conductive electrode in an electro-optic device, such as a photovoltaic or solar cell, light-emitting diode, photo-detector, touch screen, electro-wetting display, liquid crystal display, plasma display, LED display, a TV screen, a computer screen, or a mobile phone screen.Type: GrantFiled: November 17, 2016Date of Patent: June 11, 2019Assignee: Nanotek Instruments, Inc.Inventors: Yi-Jun Lin, Aruna Zhamu, Bor Z. Jang
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Patent number: 10305047Abstract: A metal complex of a metal from groups 13 to 16 uses a ligand of the structure (I), where R.sup.1 and R.sup.2 can independently be oxygen, sulfur, selenium, NH or NR.sup.4, where R.sup.4 an alkyl or aryl and can be connected to R.sup.3. R.sup.3 is an alkyl, long-chain alkyl, alkoxy, long-chain alkoxy, cycloalkyl, halogenalkyl, aryl, arylene, halogenaryl, heteroaryl, heteroarylene, heterocycloalkylene, heterocycloalkyl, halogenheteroaryl, alkenyl, halogenalkenyl, alkynyl, halogenalkynyl, ketoaryl, halogenketoaryl, ketoheteroaryl, ketoalkyl, halogenketoalkyl, ketoalkenyl, halogenketoalkenyl, where in suitable radicals, one or more non-adjacent CH.sup.2-groups can be substituted independently of one another by —O—, —S—, —NH—, —NR.sup.o-, —SiR.sup.oR.sup.oo-, —CO—, —COO—, —OCO—, —OCO—O—, —SO.sub.2-, —S—CO—, —CO—S—, —CY1?CY2 or —C.dbd.Type: GrantFiled: December 19, 2016Date of Patent: May 28, 2019Assignees: SIEMENS AKTIENGESELLSCHAFT, OSRAM OLED GMBHInventors: Anna Maltenberger, Marina A. Petrukhina, Guenter Schmid, Jan Hauke Wemken
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Patent number: 10297396Abstract: This present invention relates to a method of preparing graphene-based film, said method comprising: providing a first graphene-based film comprising sheets of graphene, graphene oxide, partially reduced graphene oxide, reduced graphene oxide, or a combination of two or more thereof, that are (i) arranged relative to each other in a substantially planar manner so as to form a layered structure, and (ii) at least partially separated by a liquid medium; exchanging said liquid medium with a packing density adjustment medium that comprises at least two components, wherein one of said components has a volatility greater than the other component; and removing at least some of the more volatile component from the first graphene-based film to produce a graphene-based film that has a different packing density of the graphene-based sheets relative to that of the first graphene-based film.Type: GrantFiled: March 3, 2014Date of Patent: May 21, 2019Assignee: Monash UniversityInventors: Dan Li, Xiaowei Yang
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Patent number: 10293329Abstract: A method of synthesizing a doped carbon composite includes preparing a solution having a carbon source material and a heteroatom containing additive, evaporating the solution to yield a plurality of powders, and subjecting the plurality of powders to a heat treatment for a duration of time effective to produce the doped carbon composite.Type: GrantFiled: March 30, 2017Date of Patent: May 21, 2019Assignee: BOARD OF TRUSTEES OF THE UNIVERSITY OF ARKANSASInventor: Tito Viswanathan
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Patent number: 10246613Abstract: A light-reflective anisotropic conductive adhesive used for anisotropic conductive connection of a light-emitting element to a wiring substrate includes a thermosetting resin composition, conductive particles, and light-reflective insulating particles. The thermosetting resin composition includes a diglycidyl isocyanuryl modified polysiloxane represented by the formula (1), and a curing agent for an epoxy resin.Type: GrantFiled: June 11, 2013Date of Patent: April 2, 2019Assignee: DEXERIALS CORPORATIONInventors: Keisuke Morita, Tomoyasu Sunaga