Patents Examined by C. Melissa Koslow
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Patent number: 11505724Abstract: Fiber-containing composites are described that include woven or non-woven fibers, and a binder that holds the fibers together. The binder may include the reaction product of a starch and a polycarboxylic acid. The starch has a weight average molecular weight that ranges from 1×106 Daltons to 1×107 Daltons. The fiber-containing composite has an unaged tensile strength of greater than 4.0 and an aged tensile strength greater than 3.0. Also described are methods of making the fiber-containing composites. The methods may include applying a binder composition to fibers to form coated fibers, measuring a moisture content of the coated fibers, and curing the coated fibers in a curing oven to form the fiber-containing composite. The binder composition may include a starch having a weight average molecular weight that ranges from 1×106 Daltons to 1×107 Daltons, and a polycarboxylic acid.Type: GrantFiled: February 10, 2021Date of Patent: November 22, 2022Assignee: Johns ManvilleInventors: Kiarash Alavi, Uranchimeg Lester, Ameya Natu, James Cottier, Jawed Asrar, Philip Francis Miele
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Patent number: 11508503Abstract: A grain-oriented M-type hexagonal ferrite has the formula MeFe12O19, and a dopant effective to provide planar magnetic anisotropy and magnetization in a c-plane, or a cone anisotropy, in the hexagonal crystallographic structure wherein Me is Sr+, Ba2+ or Pb2+, and wherein greater than 30%, preferably greater than 80%, of c-axes of the ferrite grains are aligned perpendicular to the c-plane.Type: GrantFiled: April 9, 2019Date of Patent: November 22, 2022Assignee: ROGERS CORPORATIONInventors: Yajie Chen, Kevin Ring, Li Zhang, Michael S. White
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Patent number: 11499096Abstract: An object of the present invention is to provide semiconductor nanoparticles having high quantum efficiency (QY) and a narrow full width at half maximum (FWHM). Semiconductor nanoparticles according to an embodiment of the present invention are semiconductor nanoparticles including at least, In, P, Zn and S, wherein the semiconductor nanoparticles include the components other than In in the following ranges: 0.50 to 0.95 for P, 0.30 to 1.00 for Zn, 0.10 to 0.50 for S, and 0 to 0.30 for halogen, in terms of molar ratio with respect to In.Type: GrantFiled: December 19, 2018Date of Patent: November 15, 2022Assignee: SHOEI CHEMICAL INC.Inventors: Takafumi Moriyama, Ryosuke Motoyoshi
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Patent number: 11499098Abstract: A quantum dot including a core comprising a first semiconductor nanocrystal including a zinc chalcogenide and a semiconductor nanocrystal shell disposed on the surface of the core and comprising zinc, selenium, and sulfur. The quantum dot does not comprise cadmium, emits blue light, and may exhibit a digital diffraction pattern obtained by a Fast Fourier Transform of a transmission electron microscopic image including a (100) facet of a zinc blende structure. In an X-ray diffraction spectrum of the quantum dot, a ratio of a defect peak area with respect to a peak area of a zinc blende crystal structure is less than about 0.8:1. A method of producing the quantum dot, and an electroluminescent device including the quantum dot are also disclosed.Type: GrantFiled: August 31, 2020Date of Patent: November 15, 2022Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Sung Woo Kim, Jin A Kim, Tae Hyung Kim, Kun Su Park, Yuho Won, Jeong Hee Lee, Eun Joo Jang, Hyo Sook Jang, Yong Seok Han, Heejae Chung
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Patent number: 11499060Abstract: The invention relates to a capsule comprising a shell containing a transparent and thermally conducting liquid, particles having a thermochromic coating and particles having a photochromic coating, the thermochromic particles being bulkier than photochromic particles, the liquid being such that, within a first range of temperatures, its density is greater than the density of the thermochromic particles and than the density of the photochromic particles, and such that, within a second range of temperatures greater than those of the first range, the density of the photochromic particles is less than the density of the liquid, which is itself less than the density of the thermochromic particles.Type: GrantFiled: August 2, 2018Date of Patent: November 15, 2022Assignee: The Swatch Group Research and Development LtdInventor: Nicolas Francois
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Patent number: 11495703Abstract: The light conversion efficiency of a solar cell is enhanced by using an optical downshifting layer in cooperation with a photovoltaic material. The optical downshifting layer converts photons having wavelengths in a supplemental light absorption spectrum into photons having a wavelength in the primary light absorption spectrum of the photovoltaic materiaL The cost effectiveness and efficiency of solar cells platforms can be increased by relaxing the range of the primary light absorption spectrum of the photovoltaic materiaL The optical downshifting layer can be applied as a low cost solution processed film composed of highly absorbing and emissive quantum dot heterostructure nanomaterial embedded in an inert matrix to improve the short wavelength response to the photovoltaic materiaL The enhanced efficiency provided by the optical downshifting layer permits advantageous modifications to the solar cell platform that enhances its efficiency as well.Type: GrantFiled: September 28, 2020Date of Patent: November 8, 2022Assignee: OSRAM Opto Semiconductors GmbHInventors: Juanita N. Kurtin, Steven M. Hughes, Alex C. Mayer, Oun-Ho Park, Georgeta Masson
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Patent number: 11492547Abstract: The present disclosure relates generally to nanoparticle formulations, and more specifically to nanoparticle and ligands used for imparting low-pH solubility in a range of solvents, including photoluminescent materials such as quantum dots.Type: GrantFiled: June 4, 2020Date of Patent: November 8, 2022Assignee: UbiQD, Inc.Inventors: Karthik Ramasamy, Hunter McDaniel, Chloe Castañeda
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Patent number: 11488773Abstract: When manufacturing a magnetic body whose primary component is Ni—Zn ferrite, an iron oxide powder whose Mn content is 0.20 to 0.85 percent by mass is used as a raw material powder, or, in addition to using an iron oxide powder whose Mn content is 0.20 percent by mass or higher as a raw material powder, a mol ratio of Ni to Zn (Ni/Zn) in the ferrite material is determined based on the Mn content in the iron oxide powder and the raw material powders are compounded in such a way that the mol ratio is achieved. The magnetic body does not contain any additives as essential components other than the primary components of the Ni—Zn ferrite material. A coil component using the magnetic body has excellent direct-current superimposition property and magnetic permeability.Type: GrantFiled: December 14, 2020Date of Patent: November 1, 2022Assignee: TAIYO YUDEN CO., LTD.Inventors: Norihiro Asako, Kenji Yazawa, Makoto Aoki, Tomomi Kobayashi
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Patent number: 11486034Abstract: A method of preparing an ITO ceramic target includes that: In2O3 powder with mass fraction of 90˜97 and SnO2 powder with mass fraction of 10˜3 are ball-milled and mixed with deionized water, diluent, binder and polymer material by a sand mill to obtain an ITO ceramic slurry with a solid content between 70˜80% and a viscosity between 120˜300 mpa·s, with an average particle size D50 of the mixed powder controlled at 100˜300 nm; the ITO ceramic slurry is shaped by a pressure grouting to obtain an ITO ceramic green body with a relative density of 58˜62%; the ITO ceramic green body is put into a degreasing and sintering integrated furnace, and under a degreasing temperature of 700˜800° C., the ITO ceramic target is degreased in an atmospheric oxygen atmosphere for the time set to 12˜36 hours; the temperature increases from the degreasing temperature to the first sintering temperature of 1,600˜1,650° C.Type: GrantFiled: May 13, 2020Date of Patent: November 1, 2022Assignee: ZHENGZHOU UNIVERSITYInventors: Jilin He, Benshuang Sun, Yongchun Shu, Yang Liu, Jie Chen, Xueyun Zeng
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Patent number: 11488787Abstract: An ultracapacitor that includes an energy storage cell immersed in an electrolyte and disposed within an hermetically sealed housing, the cell electrically coupled to a positive contact and a negative contact, wherein the ultracapacitor has a gel or polymer based electrolyte and is configured to output electrical energy at temperatures between about ?40° C. and about 250° C. Methods of fabrication and use are provided.Type: GrantFiled: December 22, 2020Date of Patent: November 1, 2022Assignee: FASTCAP SYSTEMS CORPORATIONInventor: Nicolo Brambilla
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Patent number: 11488752Abstract: The present invention provides a ferrite sintered magnet comprising ferrite crystal grains having a hexagonal structure, wherein the ferrite sintered magnet comprises metallic elements at an atomic ratio represented by formula (1). In formula (1), R is at least one element selected from the group consisting of Bi and rare-earth elements, and R comprises at least La. In formula (1), w, x, z and m satisfy formulae (2) to (5). The above-mentioned ferrite sintered magnet further has a coefficient of variation of a size of the crystal grains in a section parallel to a c axis of less than 45%. Ca1-w-xRwSrxFezCom??(1) 0.360?w?0.420??(2) 0.110?x?0.173??(3) 8.51?z?9.71??(4) 0.208?m?0.Type: GrantFiled: September 21, 2020Date of Patent: November 1, 2022Assignee: TDK CorporationInventors: Tomokazu Ishikura, Masanori Ikeda, Yoshitaka Murakawa, Hiroyuki Morita, Shogo Muroya
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Patent number: 11479677Abstract: A coating composition includes: (i) a film-forming resin; (ii) an infrared reflective pigment; and (iii) an infrared fluorescent pigment different from the infrared reflective pigment. When the coating composition is cured to form a coating and exposed to radiation comprising fluorescence-exciting radiation, the coating has a greater effective solar reflectance (ESR) compared to the same coating exposed to the radiation comprising fluorescence-exciting radiation except without the infrared fluorescent pigment. A multi-layer coating including the coating composition, and a substrate at least partially coated with the coating composition is also disclosed. A method of reducing temperature of an article includes applying the coating composition to at least a portion of the article.Type: GrantFiled: October 28, 2016Date of Patent: October 25, 2022Assignees: PPG Industries Ohio, Inc., The Regents of the University of CaliforniaInventors: Michael A. Zalich, Michael F. Baxter, Paul H. Berdahl, Stuart D. Hellring, Jeffrey L. Stalker
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Patent number: 11479510Abstract: The present invention provides a method for producing a zirconia particle-containing powder that enables easy production of a zirconia sintered body having both high translucency and high strength. The present invention relates to a method for producing a zirconia particle-containing powder, comprising a drying step of spray drying a slurry containing zirconia particles, wherein the zirconia particles have an average primary particle diameter of 30 nm or less, and the slurry comprises a dispersion medium containing a liquid having a surface tension at 25° C. of 50 mN/m or less. Preferably, the zirconia particles comprise 2.0 to 9.0 mol % yttria. Preferably, wherein the content of the liquid in the dispersion medium is 50 mass % or more.Type: GrantFiled: July 27, 2018Date of Patent: October 25, 2022Assignee: KURARAY NORITAKE DENTAL INC.Inventor: Yasutaka Kudo
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Patent number: 11479718Abstract: A method of the present disclosure for producing methylammonium lead halide perovskite quantum dots includes providing a Pb-oleic acid solution containing a Pb source that is soluble in oleic acid, oleic acid, and a non-polar solvent, providing a methylammonium-oleic acid solution containing methylammonium acetate and oleic acid, providing a reaction solution of tetrabutylammonium halide and oleylamine, and mixing the Pb-oleic acid solution, the methylammonium-oleic acid solution, and the reaction solution.Type: GrantFiled: March 31, 2021Date of Patent: October 25, 2022Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, THE UNIVERSITY OF ELECTRO-COMMUNICATIONSInventors: Taizo Masuda, Qing Shen, Chao Ding, Yaohong Zhang, Feng Liu
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Patent number: 11482674Abstract: A light-emitting element containing a light-emitting material with high light emission efficiency is provided. The light-emitting element includes a high molecular material and a guest material. The high molecular material includes at least a first high molecular chain and a second high molecular chain. The guest material has a function of exhibiting fluorescence or converting triplet excitation energy into light emission. The first high molecular chain and the second high molecular chain each include a first skeleton, a second skeleton, and a third skeleton, and the first skeleton and the second skeleton are bonded to each other through the third skeleton. The first high molecular chain and the second high molecular chain have a function of forming an excited complex.Type: GrantFiled: March 1, 2021Date of Patent: October 25, 2022Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Satoshi Seo, Nobuharu Ohsawa
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Patent number: 11476023Abstract: A ferrite sintered magnet including ferrite grains having a hexagonal crystal structure. The ferrite grains satisfy 0.56?W?0.68 where W is an average value of circularities of the ferrite grains in a cross section parallel to an axis of easy magnetization.Type: GrantFiled: March 19, 2021Date of Patent: October 18, 2022Assignee: TDK CORPORATIONInventors: Masanori Ikeda, Hiroyuki Morita, Yoshitaka Murakawa, Shogo Muroya
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Patent number: 11476021Abstract: In an aspect, a ferrite composition comprises a Ru—Co2Z ferrite having the formula: (Ba3-xMx)Co2(M?Ru)yFe24-2y-zO41, wherein M is at least one of Sr, Pb, or Ca; M? is at least one of Co, Zn, Mg, or Cu; x is 1 to 3; y is greater than 0 to 2; and z is ?4 to 4. In another aspect, an article comprises the ferrite composition. In yet another aspect, method of making the ferrite composition comprises mixing ferrite precursor compounds comprising Fe, Ba, Co, and Ru; and sintering the ferrite precursor compounds in an oxygen atmosphere to form the Ru—Co2Z ferrite.Type: GrantFiled: July 29, 2020Date of Patent: October 18, 2022Assignee: ROGERS CORPORATIONInventors: Qifan Li, Yajie Chen
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Patent number: 11476019Abstract: The present application relates to a composition, a 3D printing method using the same, and a three-dimensional shape comprising the same, and provides a composition capable of embodying a precise formation of a three-dimensional shape using a ceramic material and a uniform curing property of the three-dimensional shape.Type: GrantFiled: December 7, 2020Date of Patent: October 18, 2022Inventors: Jin Kyu Lee, Sang Bum Ahn
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Patent number: 11466205Abstract: Quantum dot is a semiconductor nanomaterial. The quantum dot includes a core constituted of InP, a first shell constituted of ZnSe, a second shell constituted of ZnS, and a gradient alloy intermediate layer. The core is wrapped by the first shell. The first shell is wrapped by the second shell, and the first and second shells have different materials. The gradient alloy intermediate layer is between the core and the first shell. The gradient layer includes an alloy constituted of In, P, Zn and Se. A content of the In and P gradually decreases from the core to the first shell. A content of the Zn and Se gradually increases from the core to the first shell. A particle size of the quantum dot is greater than or equal to 11 nm. The quantum dot is capable of emitting light upon excitation with a photoluminescence quantum yield equal to or more than 50%.Type: GrantFiled: November 25, 2020Date of Patent: October 11, 2022Assignee: Unique Materials Co., Ltd.Inventors: Huan-Wei Tseng, Yu-Jui Tseng, Chun-Wei Chou, Chia-Chun Liao, Chia-Yi Tsai, Ting-Yu Huang
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Patent number: 11459243Abstract: Provided are a core shell particle including a core which contains a Group III element and a Group V element, and a shell which covers at least a part of a surface of the core and contains a Group II element and a Group VI element, in which the core shell particle has a tetrahedral shape having one side with a length of 6 nm or greater; a method of producing the core shell particle; and a film formed of the core shell particle.Type: GrantFiled: December 31, 2019Date of Patent: October 4, 2022Assignee: FUJIFILM CorporationInventor: Hiroshi Isojima