Patents Examined by Daniel H Miller
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Patent number: 12281014Abstract: Provided is a fibrous carbon nanostructure that has excellent dispersibility after surface modification treatment. The fibrous carbon nanostructure has an amount of localized electrons of 1.0×1017/g or more as determined by electron spin resonance measurement at a temperature of 10 K.Type: GrantFiled: December 15, 2020Date of Patent: April 22, 2025Assignee: ZEON CORPORATIONInventor: Osamu Kawakami
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Patent number: 12282018Abstract: Disclosed herein is a system and method for transistor pathogen virus detector in which one embodiment may include a substrate layer, a silicon dioxide layer on the substrate layer, a nanocrystalline diamond layer on the silicon dioxide layer, a graphene oxide layer on the nanocrystalline diamond layer, fluorinated graphene oxide portions; and a linker layer, the linker layer including a plurality of pathogen receptors.Type: GrantFiled: June 5, 2024Date of Patent: April 22, 2025Assignee: AKHAN SEMICONDUCTOR, INC.Inventors: Adam Khan, Ernest Schirmann, Kiran Kumar Kovi
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Patent number: 12278374Abstract: A carbon nanotube dispersion liquid for nonaqueous electrolyte secondary battery is a carbon nanotube dispersion liquid containing carbon nanotubes, a dispersant and a solvent, and is characterized in satisfying (1) to (3) below: (1) the average outer diameter of the carbon nanotubes ranging from more than 3 nm to 25 nm; (2) the BET surface area of the carbon nanotubes ranging from 150 m2/g to 800 m2/g; and (3) the fiber length of the carbon nanotubes in the carbon nanotube dispersion liquid ranging from 0.8 ?m to 3.5 ?m.Type: GrantFiled: October 23, 2020Date of Patent: April 15, 2025Assignees: artience Co., Ltd., TOYOCOLOR CO., LTD.Inventors: Yu Morita, Hirotomo Ito, Yu Aotani, Tetsuro Izumiya
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Patent number: 12275640Abstract: There is provided a method for manufacturing graphene, the method comprising: forming graphene on a non-metallic surface of a substrate by CVD in a CVD reaction chamber, wherein the step of forming graphene comprises introducing a precursor in a gas phase and/or suspended in a gas into the CVD reaction chamber; wherein the precursor consists of one or more compounds selected from a C4-C10 organic compound; wherein the organic compound is branched such that the organic compound has at least three methyl groups; and wherein the organic compound consists of carbon and hydrogen and, optionally, oxygen, fluorine, chlorine and/or bromine.Type: GrantFiled: March 3, 2022Date of Patent: April 15, 2025Assignee: Paragraph LimitedInventors: Sebastian Dixon, James Griffiths, Ross Matthew Griffin, Ivor Guiney, Simon Thomas
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Patent number: 12278370Abstract: The present invention relates to a carbon nanotube-transition metal oxide composite and a method for making the composite. The composite comprises at least one carbon nanotube and a plurality of transition metal oxide nanoparticles. The plurality of transition metal oxide nanoparticles are chemically bonded to the at least one carbon nanotube through carbon-oxygen-metal (C—O-M) linkages, wherein the metal is a transition metal element. The method for making the composite comprising the following steps: step 1, providing at least one carbon nanotube obtained from a super-aligned carbon nanotube array; step 2, pre-oxidizing the at least one carbon nanotube; step 3, dispersing the at least one carbon nanotube in a solvent to form a first suspension; step 4, dispersing a material containing transition metal oxyacid radicals in the first suspension to form a second suspension; and step 5, removing the solvent from the second suspension and drying the second suspension.Type: GrantFiled: July 20, 2021Date of Patent: April 15, 2025Assignees: Tsinghua University, HON HAI PRECISION INDUSTRY CO., LTD.Inventors: Da-Tao Wang, Li Sun, Ke Wang, Jia-Ping Wang, Shou-Shan Fan
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Patent number: 12257324Abstract: An object is to provide a method of inspection enabling a slurry of a batch resulting in abnormal accumulation to be identified in advance, and to provide an SWCNT slurry for bioimaging that has undergone the inspection. In order to solve the above problems, the present invention provides a method for inspecting a semiconductor single-walled carbon nanotube (SWCNT) slurry for bioimaging, the slurry comprising: semiconductor SWCNTs oxidized by being directly irradiated with ultraviolet rays in atmosphere and a dispersant composed of an amphiphilic substance that coats surfaces of the SWCNTs, the method comprising: using at least two types of methods selected from the group consisting of absorption spectroscopy, a photoluminescence method, and particle size measurement, confirming that an average particle size of the semiconductor SWCNTs is smaller than 10 nm, isolated dispersibility of the semiconductor SWCNTs is high, and/or the semiconductor SWCNTs are oxidized.Type: GrantFiled: November 17, 2017Date of Patent: March 25, 2025Assignees: SHIMADZU CORPORATION, NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGYInventors: Tsukasa Takeuchi, Toshiya Okazaki, Yoko Iizumi, Hiromichi Kataura, Masako Yudasaka
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Patent number: 12258275Abstract: The present invention relates to elastomer compositions comprising adducts between compounds of formula (I) preferably derived from natural sources such as mucic, pyromucic, glucaric, glycaric, galactaric, muconic acid and/or linear derivatives thereof containing ester or amide groups and/or cyclic derivatives thereof with heteroatoms in the ring, such as oxygen or nitrogen, and carbon allotropes in which the carbon is sp2 hybridized, such as for example carbon nanotubes, graphene or nanographites, carbon black.Type: GrantFiled: April 27, 2020Date of Patent: March 25, 2025Assignee: PIRELLI TYRE S.p.A.Inventors: Vincenzina Barbera, Maurizio Galimberti, Attilio Citterio, Gabriella Leonardi, Roberto Sebastiano, Jiemeng Li
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Patent number: 12252401Abstract: A carbon nanotube aggregate includes a plurality of carbon nanotubes, a metal compound added to inside and/or outside of each of the carbon nanotubes, and an oxide film that is made of an oxide of the metal compound, and covers an outer periphery of the plurality of carbon nanotubes to define an outer surface of the carbon nanotube aggregate. Since the metal compound is shielded from the atmosphere by the oxide film, separation of the metal compound and reaction of the metal compound with oxygen or water in the atmosphere are suppressed, increasing heat resistance of the carbon nanotube aggregate.Type: GrantFiled: July 29, 2021Date of Patent: March 18, 2025Assignee: DENSO CORPORATIONInventors: Jyunichi Naruse, Hajime Shingai, Takanori Yokoi, Katsuma Ishino
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Patent number: 12246968Abstract: Oleophilic-hydrophobic-magnetic (OHM) porous materials are provided. In embodiments, an OHM porous material comprises a porous substrate having a solid matrix defining a plurality of pores distributed through the solid matrix, the OHM porous material further comprising a coating of a nanocomposite on surfaces of the solid matrix. The nanocomposite comprises a multilayer stack of a plurality of layers of a two-dimensional, layered material having nucleation sites interleaved between a plurality of layers of magnetic nanoparticles, wherein individual layers of magnetic nanoparticles in the plurality of layers of magnetic nanoparticles are each directly anchored on a surface of a layer of the plurality of layers of the two-dimensional, layered material via the nucleation sites, and are each separated by multiple layers of the plurality of layers of the two-dimensional, layered material. Methods of making and using the OHM porous materials are also provided.Type: GrantFiled: December 20, 2019Date of Patent: March 11, 2025Assignee: Northwestern UniversityInventors: Vikas Nandwana, Vinayak P. Dravid
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Patent number: 12221388Abstract: An example method includes combining an interlayer and a carbon fiber fabric, wherein the interlayer comprises a highly oriented milled carbon fiber ply comprising a plurality of out-of-plane carbon fibers. The method further includes winding the interlayer and the carbon fiber fabric around a core to form a composite fiber preform comprising a plurality of layers defining an annulus extending along a central axis. The method further includes densifying the composite fiber preform.Type: GrantFiled: August 19, 2021Date of Patent: February 11, 2025Assignee: Honeywell International Inc.Inventors: Stefan Glen, David Lane Charles, Long Gui Tang, Yanmei Piao, Neil Murdie, Mark C. James
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Patent number: 12215028Abstract: A complex Si—C cathode base units includes a first order Si—C nanoparticle including a plurality of graphene pieces, and a plurality of complex monomers formed by nanometer scale silicide, and first high molecular material. The first high molecular material is used as viscosity for combining the plurality of graphene pieces and the plurality of complex monomers, a plurality of buffer spaces are formed between the plurality of graphene pieces, the complex monomers and the first high molecular material. A second high molecular material layer enclosing the first order SiC nanoparticle, the second high molecular material layer is calcined in a calcination process, so that the carbohydrate therein is carbonized. A plurality of nanometer carbon tubes tightly encloses the second high molecular material layer so that the first order Si—C nanoparticle is difficult to expand. The nanometer carbon tubes have lengths between 15˜25 ?m and are arranged as an array.Type: GrantFiled: December 22, 2023Date of Patent: February 4, 2025Assignee: SolidEdge Solution Inc.Inventors: Hong-Zheng Lai, Tseng-Lung Chang
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Patent number: 12215027Abstract: A nanocarbon separation method includes: preparing a nanocarbon dispersion liquid in which nanocarbons and a non-ionic surfactant are dispersed in a solvent; injecting the nanocarbon dispersion liquid into a separation tank; applying a direct current voltage to a first electrode provided at an upper part of the interior of the separation tank and a second electrode provided at a lower part of the interior of the separation tank and generating a pH gradient in the nanocarbon dispersion liquid inside the separation tank, and separating metallic nanocarbons and semiconductor nanocarbons included in the nanocarbon dispersion liquid.Type: GrantFiled: September 29, 2017Date of Patent: February 4, 2025Assignee: NEC CORPORATIONInventors: Fumiyuki Nihey, Hideaki Numata
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Patent number: 12209306Abstract: In a method of forming a diamond film, substrate, or window, a substrate is provided and the diamond film, substrate, or window is CVD grown on a surface of the substrate. The grown diamond film, substrate, or window has a thickness between 150-999 microns and an aspect ratio?100, wherein the aspect ratio is a ratio of a largest dimension of the diamond film, substrate or window divided by a thickness of the diamond film. The substrate can optionally be removed or separated from the grown diamond film, substrate, or window.Type: GrantFiled: February 22, 2023Date of Patent: January 28, 2025Assignee: II-VI DELAWARE, INC.Inventors: Wen-Qing Xu, Thomas E. Anderson, Giovanni Barbarossa, Elgin E. Eissler, Chao Liu, Charles D. Tanner
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Patent number: 12187871Abstract: A carbon nanotube enhanced polymer includes a polymer and a plurality of carbon nanotube sheetlets mixed with the polymer. The carbon nanotube sheetlets each include a network of intertwined carbon nanotubes.Type: GrantFiled: November 29, 2017Date of Patent: January 7, 2025Assignee: The Boeing CompanyInventors: Anna M. Tomzynska, Richard W. Aston, Nicole M. Hastings
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Patent number: 12187452Abstract: A composition including 85.00-99.00 wt. % of a single Nylon polymer; 0.25-5.00 wt. % of conductive nanomaterials; 0.25-5.00 wt. % of a dielectric filler comprising an inorganic, non-conductive, non-platelet nanomaterial selected from alumina nanoparticles, alumina nanotubes, aluminum oxide nanoparticles, silica nanoparticles, boron nitride nanoparticles, boron nanotubes, fumed silica, fumed alumina, and mixtures of one or more of these; and 0.25-5.00 wt. % of a dispersing agent.Type: GrantFiled: January 15, 2021Date of Patent: January 7, 2025Assignee: Eaton Intelligent Power Ltd.Inventors: Zhou Zhou, Javed Mapkar
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Patent number: 12185500Abstract: The present application relates to the field of electronic product heat dissipation component and in particular, relates to a graphene thermally conductive gasket edge-wrapped process and an edge-wrapped graphene thermally conductive gasket. The process steps are: coating a layer of adhesive on the first layer of graphene film, placing the second layer of graphene film on the first layer of graphene film, repeating stacking to the target height, obtaining a graphene film block, punching a plurality of through holes penetrating two surfaces of the graphene film block; threading the carbon fiber through the through holes after coating an adhesive on the surface thereof; slicing along the direction parallel to the thickness direction of the graphene film, to obtain the graphene thermally conductive gasket with a specified thickness; and coating a layer of glue on the peripheral sides of the graphene thermally conductive gasket to form an edge-wrapped layer.Type: GrantFiled: January 20, 2022Date of Patent: December 31, 2024Assignee: SHENZHEN HFC CO., LTD.Inventors: Yong Cao, Aixiang Sun, Shangqiang Yang, Xichang He, Lanyue Dou, Xiaoyan Zhou
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Patent number: 12103850Abstract: A method of forming graphene includes: preparing a substrate in a reaction chamber; performing a first growth process of growing a plurality of graphene aggregates apart from each other on the substrate at a first growth rate by using a reaction gas including a carbon source; and performing a second growth process of forming a graphene layer by growing the plurality of graphene aggregates at a second growth rate slower than the first growth rate by using the reaction gas including the carbon source.Type: GrantFiled: October 1, 2020Date of Patent: October 1, 2024Assignee: Samsung Electronics Co., Ltd.Inventors: Van Luan Nguyen, Keunwook Shin, Hyeonjin Shin, Changhyun Kim, Changseok Lee, Yeonchoo Cho
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Patent number: 12090448Abstract: The present disclosure provides a carbon material including a carbon-containing layer having opening parts; and a solid body provided so as to cover the opening parts of the carbon-containing layer, in which the solid body has hole parts communicating with the opening parts.Type: GrantFiled: March 1, 2021Date of Patent: September 17, 2024Assignees: TAKAGI Co., Ltd., Shinshu UniversityInventors: Katsumi Kaneko, Toshio Takagi, Yasushi Shimizu, Stevic Dragana, Katsuyuki Murata
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Patent number: 12091516Abstract: The invention pertains to the use of porous, chemically interconnected, carbon-nanofibre-comprising carbon networks for reinforcing elastomers. It has been found that said carbon-nanofibre-comprising carbon networks can beneficially be used when added in an amount of 10-120 phr to an elastomer, in particular to styrene-butadiene rubber (SBR). The benefits include lower tan delta at 60° ° C. (rolling resistance), higher tan delta at 0° C. (wet grip), better abrasion resistance, higher flexibility and lower stiffness. The reinforced elastomers can be used in many areas of technology such as tyres, conveyor belts, hoses, etc.Type: GrantFiled: May 27, 2019Date of Patent: September 17, 2024Assignee: CarbonX IP 4 B.V.Inventors: Rutger Alexander David van Raalten, Daniela Sordi
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Patent number: 12083767Abstract: As an exemplary configuration, a long film is configured by thermomeltable polymers including a first unit based on tetrafluoroethylene and a second unit based on perfluoro (alkyl vinyl ether), including spherulites of the thermomeltable polymers, wherein radius of each spherulite is 10 ?m or less. As another exemplary configuration, a long film is configured by tetrafluoroethylene polymers having a melt flow rate within a range of 5 to 40 g/10 min. The long film is heated at 180° C. for 30 minutes so as to measure the thermal expansion rate, and when letting thermal expansion rate in a first direction, which extends at a 45-degree angle to a melt flow direction be A, and thermal expansion rate in a second direction orthogonal to the first direction be B, A and B are respectively within the range of ?2 to +1%, and |A?B| is 1% or less.Type: GrantFiled: December 27, 2021Date of Patent: September 10, 2024Assignee: AGC Inc.Inventors: Wataru Kasai, Yuya Horiguchi, Seigo Kotera, Tomoya Hosoda