Patents Examined by Cameron K Miller
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Patent number: 11976000Abstract: The present disclosure concerns expandable silica particles having a coating comprising talc powder and kaolin powder provided on the outer surface of the expandable silica particle and expandable and expanded silica particles comprising silica fume and/or ultrafine quartz silica sand beneath the surface of the particles. Methods for producing expandable and expanded silica particles are disclosed, including a method using a vibration plate and a furnace having a vibration plate for carrying out that method. The expanded silica particles have high compressive strength, substantially uniform cell size and distribution, low water absorption, and low porosity on the outer surface. They are useful as a filler in matrix materials, like concrete or epoxy, as insulation material with various binder materials, and as water filtration medium.Type: GrantFiled: August 26, 2022Date of Patent: May 7, 2024Assignee: VALUNOR AGInventors: Finn Erik Solvang, Norman Blank
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Patent number: 11972903Abstract: A multilayer ceramic capacitor includes a multilayer body including a plurality of dielectric layers and a plurality of internal electrodes, wherein the dielectric layers and the internal electrodes are stacked alternately; and external electrodes provided on end surfaces of the multilayer body and electrically connected to the internal electrodes, wherein the dielectric layers each include main crystal grains including calcium and/or strontium, and zirconium; and an additive component including lithium, the internal electrodes include copper, and the dielectric layers have lithium concentrations with a standard deviation of about 1.03 atomic percent or less in the thickness direction.Type: GrantFiled: July 22, 2021Date of Patent: April 30, 2024Assignee: MURATA MANUFACTURING CO., LTD.Inventors: Tatsuya Izumi, Yuu Mikami
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Patent number: 11964907Abstract: Glass compositions include one or more of silica (SiO2), magnesia (MgO) and alumina (Al2O3) as essential components and may optionally include sodium oxide (Na2O), potassium oxide (K2O), zirconia (ZrO2), titania (TiO2), zinc oxide (ZnO), manganese oxide (MnO2), hafnium oxide (HfO2) and other components. The glasses may be characterized by low density at room temperature.Type: GrantFiled: February 23, 2023Date of Patent: April 23, 2024Assignee: Corning IncorporatedInventors: George Halsey Beall, John Philip Finkeldey, Charlene Marie Smith
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Patent number: 11964916Abstract: A layered body, which has a change in texture derived from zirconia, particularly a change in translucency and is suitable as a dental prosthetic member, a precursor thereof, or a method for producing these. The layered body has a structure in which two or more layers containing zirconia containing a stabilizer are layered, the layered body including at least: a first layer containing zirconia having a stabilizer content of higher than or equal to 4 mol %; and a second layer containing zirconia having a stabilizer content different from that of the zirconia contained in the first layer. At least one layer contains one or more elements capable of coloring zirconia.Type: GrantFiled: November 30, 2022Date of Patent: April 23, 2024Assignee: TOSOH CORPORATIONInventors: Yuki Ushio, Akiko Ito, Sho Azechi, Hiroyuki Fujisaki
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Patent number: 11958783Abstract: A composition including a binder and a variable thermal conductivity material satisfying a conditional expression 1, wherein a content of the variable thermal conductivity material is from 300 parts by weight to 10,000 parts by weight with respect to a content of 100 parts by weight of the binder: ?max/?25?1.2??[conditional expression 1] (wherein, ?25 represents a thermal conductivity at 25° C., and ?max represents the maximum value of a thermal conductivity at 200° C. or 500° C.).Type: GrantFiled: September 19, 2018Date of Patent: April 16, 2024Assignee: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Satoshi Shimano, Atsunori Doi, Fumio Tamura
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Patent number: 11958772Abstract: A glass frit according to this application may include a composition of P2O5, V2O5, TeO2, CuO, ZnO, and BaO configured to replace a conventional lead glass composition and enable a low temperature calcination. A coefficient of thermal expansion (CTE) of the glass frit may be matched with that of a glass substrate. The composition may not include an inorganic filler or at least reduce a content of an inorganic filler to reduce or prevent separation and breakage and to improve durability. The glass frit may be used as a paste for a vacuum glass assembly.Type: GrantFiled: April 20, 2018Date of Patent: April 16, 2024Assignee: LG ELECTRONICS INC.Inventors: Wongyu Choi, Young Seok Kim
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Patent number: 11955283Abstract: A dielectric ceramic composition includes a barium titanate, an oxide of an R element, an oxide of an M element, and an oxide containing Si. The R element is one or more elements selected from Eu, Gd, Tb, Dy, Y, Ho, and Yb. The M element is one or more elements selected from Mg, Ca, Mn, V, and Cr. A ratio of an amount of the oxide of the R element in terms of R2O3 to an amount of the oxide containing Si in terms of SiO2 is 0.8:1 to 2.2:1. A ratio of an amount of the oxide of the M element in terms of MO to the amount of the oxide containing Si in terms of SiO2 is 0.2:1 to 1.8:1.50% or more of the number of dielectric particles constituting the dielectric ceramic composition is core-shell dielectric particles having a core-shell structure.Type: GrantFiled: March 8, 2021Date of Patent: April 9, 2024Assignee: TDK CORPORATIONInventors: Taku Murakami, Nobuto Morigasaki, Dan Sakurai, Takuma Ariizumi, Toshihiko Kaneko
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Patent number: 11951592Abstract: Shot-peening powder that has ceramic particles. The powder having more than 95% by mass of beads. The beads having a median size D50 greater than 50 ?m and less than 1200 ?m, and having a value (D90?D10)/D50, or “S”, such that S??0.126·ln(D50)+0.980.Type: GrantFiled: May 28, 2019Date of Patent: April 9, 2024Assignee: SAINT-GOBAIN CENTRE DE RECHERCHES ET D'ETUDES EUROPEENInventors: Julien Cabrero, Anne-Laure Beaudonnet, Yves Léon Marcel Boussant-Roux, Benjamin Gilbert Robert Levy
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Patent number: 11948752Abstract: A ceramic electronic component includes a body including a dielectric layer and an internal electrode, and an external electrode disposed on the body and connected to the internal electrode. The dielectric layer includes a plurality of dielectric grains, and at least one of the plurality of dielectric grains has a core-dual shell structure having a core and a dual shell. The dual shell includes a first shell surrounding at least a portion of the core, and a second shell surrounding at least a portion of the first shell, and a concentration of a rare earth element included in the second shell is more than 1.3 times to less than 3.8 times a concentration of a rare earth element included in the first shell.Type: GrantFiled: December 21, 2022Date of Patent: April 2, 2024Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Sung Hyung Kang, Jong Hyun Cho, Ji Hong Jo, Hang Kyu Cho, Jae Shik Shim, Yong In Kim, Sang Roc Lee
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Patent number: 11936088Abstract: A method of forming a composite material for use as an isolator or circulator in a radiofrequency device comprises providing a low temperature fireable outer material, the low fireable outer material having a garnet or scheelite structure, inserting a high dielectric constant inner material having a dielectric constant above 30 within an aperture in the low temperature fireable outer material, and co-firing the lower temperature fireable outer material and the high dielectric constant inner material together at temperature between 650-900° C. to shrink the low temperature fireable outer material around an outer surface of the high dielectric constant inner material to form an integrated magnetic/dielectric assembly without the use of adhesive or glue.Type: GrantFiled: May 19, 2023Date of Patent: March 19, 2024Assignee: SKYWORKS SOLUTIONS, INC.Inventors: Michael David Hill, David Bowie Cruickshank, Jeffrey Alan Shunkwiler, John Jianzhong Jiang, David Martin Firor, Srinivas Polisetty
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Patent number: 11926563Abstract: Provided is a crystallized glass substrate including a surface with a compressive stress layer, in which a gradient A of a surface compressive stress from an outermost surface to a depth of 6 ?m in the compressive stress layer is 50.0 to 110.0 MPa/?m, a gradient B of a surface compressive stress from a depth of (a stress depth DOLzero—10 ?m) to the stress depth DOLzero is 2.5 to 15.0 MPa/?m, where the stress depth DOLzero is a depth of the compressive stress layer at a surface compressive stress of 0 MPa, and a hardness of the outermost surface at an indentation depth of 20 nm is 7.50 to 9.50 GPa.Type: GrantFiled: December 21, 2018Date of Patent: March 12, 2024Assignee: OHARA INC.Inventors: Toshitaka Yagi, Kohei Ogasawara
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Patent number: 11925980Abstract: It is intended to suppress flaming and smoking due to combustion of combustible substances in a certain-shaped joint material, while maintaining hot sealability of the certain-shaped joint material. A certain-shaped joint material for hot installation is obtained by: adding organic additives to a blend in a combined amount of 26 mass % to 50 mass %, with respect to and in addition to 100 mass % of the blend, wherein the blend comprises 50 mass % to 90 mass % of gibbsite type aluminum hydroxide raw material, 1 mass % to 9 mass % of clay, and 9 mass % to 23 mass % of graphite, with the remainder mainly composed of an additional refractory raw material; and subjecting the resulting mixture to kneading, forming and drying.Type: GrantFiled: September 25, 2019Date of Patent: March 12, 2024Assignee: KROSAKIHARIMA CORPORATIONInventors: Tatsuya Oouchi, Masaki Yamamoto
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Patent number: 11912622Abstract: A composition for enamel may include 10 to 45 wt % of SiO2; 1 to 10 wt % of B2O3, 10 to 20 wt % of one or more of Na2O, K2O, and/or Li2O, 1 to 5 wt % of NaF, 1 to 10 wt % of ZnO, 5 to 15 wt % of TiO2, 3 to 7 wt % of MoO3, 5 to 15 wt % of Bi2O3, 1 to 5 wt % of CeO2, and 0.5 to 10 wt % of one or more of MnO2, Fe2O3, and/or Co3O4. The composition may be used to make a coating layer provided on a cooking appliance so that contaminants may be easily cleaned from the cooking appliance at a room temperature.Type: GrantFiled: December 10, 2020Date of Patent: February 27, 2024Assignee: LG ELECTRONICS INC.Inventors: Suyeon Choi, Taeho Kim, Yongsoo Lee
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Patent number: 11905207Abstract: The invention relates to glass ceramics and glasses with a europium content, containing the following components: Component wt.-% SiO2 30.0 to 75.0 Al2O3 10.0 to 45.0 Europium, calculated as Eu2O3 0.05 to 5.0 and which are suitable in particular for the production of dental restorations, the fluorescence properties of which largely correspond to those of natural teeth.Type: GrantFiled: March 15, 2022Date of Patent: February 20, 2024Assignee: Ivoclar Vivadent AGInventors: Marc Dittmer, Ronny Hengst, Christian Ritzberger
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Patent number: 11905219Abstract: Provided is an alumina ceramic with a low secondary electron emission coefficient and suitable for components of a high frequency generator, a plasma generator and so on. The alumina ceramic contains alumina as a main component, and at least two kinds of elements selected from an alkaline earth metal and from an element belonging to period 3, 4 or 5. The alkaline earth metal and the element belonging to period 3, 4 or 5 have a higher first ionization energy than aluminum. An electronegativity difference between the alkaline earth metal and the element belonging to period 3, 4 or 5 is 0 or more and 0.6 or less. A ratio (x/y) of the grain boundary area (x) to the grain area (y) in the alumina ceramic is 0.0001 to 0.001.Type: GrantFiled: August 5, 2021Date of Patent: February 20, 2024Assignee: COORSTEK KKInventor: Yuji Fukasawa
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Patent number: 11897821Abstract: A ceramic product includes a glass layer having 0.1 wt % to 9 wt % of a luster pigment for providing a metallic look. The glass layer includes 40 wt % to 60 wt % of silicon dioxide, 15 wt % to 35 wt % of boron oxide, 18 wt % or less of one or more alkali metal oxides selected from the group consisting of lithium oxide, sodium oxide, and potassium oxide, 4 wt % or less of one or more alkali metal oxides selected from lithium oxide and sodium oxide, and 5 wt % or more of potassium oxide.Type: GrantFiled: September 16, 2022Date of Patent: February 13, 2024Assignee: SAGA PREFECTUREInventor: Atsunori Shiraishi
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Patent number: 11901127Abstract: A dielectric composition and a multilayer capacitor including the same are provided. The dielectric composition includes a BaTiO3-base main component, a first subcomponent including an Nb component and a Gd component, a second subcomponent including an Mg component, and a third subcomponent including a Ba component and a Ca component. The first subcomponent is included in an amount of 4 moles or less per 100 moles of the main component. In the first subcomponent, a molar content of Nb and a molar content of Gd satisfy 0.33?Nb/Gd, and in the third subcomponent, a molar content of Ba and a molar content of Ca satisfy 0.2?Ca/(Ba+Ca).Type: GrantFiled: September 14, 2021Date of Patent: February 13, 2024Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Jae Sung Park, Jeong Yun Park, Hyoung Uk Kim, Jong Han Kim, Chung Eun Lee
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Patent number: 11884595Abstract: A composition comprises a zirconia powder, in which 55% or more thereof is monoclinic, and a stabilizer capable of suppressing phase transition of zirconia. An average particle diameter of zirconia particles and particles of the stabilizer is 0.06 ?m to 0.17 ?m. At least a portion of the stabilizer does not form a solid solution with zirconia.Type: GrantFiled: September 15, 2022Date of Patent: January 30, 2024Assignee: KURARAY NORITAKE DENTAL INC.Inventor: Yoshihisa Ito
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Patent number: 11884575Abstract: A composition for producing a glass fiber, including the following components with corresponding percentage amounts by weight: SiO2: 57.4-60.9%; Al2O3: greater than 17% and less than or equal to 19.8%; MgO: greater than 9% and less than or equal to 12.8%; CaO: 6.4-11.8%; SrO: 0.1-1.5%; Na2O+K2O: 0.1-1.1%; Fe2O3: 0.05-1%; TiO2: lower than 0.8%; and SiO2+Al2O3: lower than or equal to 79.4%. The total weight percentage of the above components in the composition is greater than 99%. The weight percentage ratio of Al2O3+MgO to SiO2 is between 0.43 and 0.56, and the weight percentage ratio of CaO+MgO to SiO2+Al2O3 is greater than 0.205. The composition can significantly increase the glass modulus, effectively reduce the glass crystallization rate, secure a desirable temperature range (?T) for fiber formation and enhance the refinement of molten glass, thus making it particularly suitable for high performance glass fiber production with refractory-lined furnaces.Type: GrantFiled: April 15, 2022Date of Patent: January 30, 2024Assignee: JUSHI GROUP CO., LTD.Inventors: Guorong Cao, Lin Zhang, Wenzhong Xing, Xiucheng Hong, Zhonghua Yao
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Patent number: 11873249Abstract: A fibrous ceramic preform includes a plurality of ceramic fibers, a first amorphous layer, and an interfacial coating layer. The interfacial coating layer includes an anisotropic region adjacent the at least one amorphous layer, and an isotropic region on a side of the anisotropic region opposite the at least one amorphous layer.Type: GrantFiled: May 6, 2022Date of Patent: January 16, 2024Assignee: RTX CorporationInventors: Asa Frye, Cristal Chan, Daniel L. Becerra