Patents Examined by Ronak C Patel
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Patent number: 12384678Abstract: Provided is an aluminum nitride powder useful as a raw material when an aluminum nitride sintered body excellent as an insulating high thermal conductive member is manufactured, particularly, by press molding. An aluminum nitride powder includes particles having a sphericity of 0.8 or more, in which a median size D50 obtained by a laser diffraction method is 0.5 to 1.5 ?m, a ratio D90/D50 of a particle size D90 corresponding to a cumulative undersize distribution of 90% to the D50 is 2.2 or less, a BET specific surface area is 2 to 4 m2/g, and a total oxygen concentration is 0.6 to 1.2% by mass.Type: GrantFiled: February 4, 2021Date of Patent: August 12, 2025Assignee: Tokuyama CorporationInventors: Yoshinori Tagashira, Yoshiaki Yamashita, Masato Hamamoto
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Patent number: 12365803Abstract: A coating including a plurality of indicator oxide nanoparticles, a binder, and a wetting agent. A sulfidation corrosion mitigation coating including: a sulfidation corrosion mitigation material, a binder, and a plurality of indicator oxide nanoparticles. An article including a metal alloy substrate having the sulfidation corrosion mitigation coating thereon is also provided. The sulfidation corrosion mitigation coating can include a first indicator layer containing indicator oxide nanoparticles disposed on the surface of the metal alloy substrate. Methods for inspection of an article having a coating containing a plurality of indicator oxide nanoparticles is also provided.Type: GrantFiled: June 19, 2020Date of Patent: July 22, 2025Assignee: General Electric CompanyInventors: Martin Matthew Morra, Rachel Marie Gettings, Erica Sampson
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Patent number: 12330400Abstract: The present invention relates to a multi-layer polypropylene film comprising: A base layer of polypropylene (2); Optionally, a tie layer (3) comprising a blend of polypropylene and an sacrificial engineering thermoplastic; A top layer (1) comprising film having a structured surface with water contact angles (WCA) superior to 104.5°, preferentially superior to 110°, more preferentially uperior to 120°, more preferentially superior to 130°; Wherein the top layer comprises a blend 20 to 40 wt % of polypropylene and 60 to 80 wt % of said engineering thermoplastic and in which the engineering thermoplastic has been selectively etched in order to create the said structured surface.Type: GrantFiled: February 2, 2021Date of Patent: June 17, 2025Assignee: SABIC GLOBAL TECHNOLOGIES B.V.Inventors: Karin Irene van de Wetering, Xiqiang Liu
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Patent number: 12320462Abstract: An insulation composition for an appliance is disclosed. The insulation composition includes a plurality of porous walled hollow glass microspheres. The porous walled hollow glass microspheres include a wall defining an interior cavity and an outer surface. The wall may further define a plurality of interconnected pores. The pores may be sized in a range of about 10-300 nm (100-3,000 ?) and fluidly couple an exterior space with the interior cavity.Type: GrantFiled: November 30, 2021Date of Patent: June 3, 2025Assignee: Whirlpool CorporationInventors: Alberto R. Gomes, Jose Guizoni, Jr., Devidas Balu Raskar
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Patent number: 12318846Abstract: A diamond tool includes a diamond at least on a cutting edge includes a diamond phase composed of a diamond crystal structure and a graphite phase composed of a graphite crystal structure. When a ratio I?*/I?* between an intensity of a ?* peak derived from a ? bond of carbon in the graphite phase and an intensity of a ?* peak derived from a ? bond of carbon in the graphite phase and a ? bond of carbon in the diamond phase is determined for the diamond grain by measuring an energy loss associated with excitation of K-shell electrons of carbon by electron energy loss spectroscopy, the ratio I?*/I?* of the diamond grain on a surface of the cutting edge is 0.1 to 2 and a ratio I?*/I?* of the diamond grain at a depth position of 0.5 ?m from the surface of the cutting edge is 0.001 to 0.1.Type: GrantFiled: December 4, 2020Date of Patent: June 3, 2025Assignee: SUMITOMO ELECTRIC HARDMETAL CORP.Inventors: Takashi Harada, Satoru Kukino, Naoki Watanobe
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Patent number: 12319805Abstract: To provide hollow particles excellent in performance stability in a high-humidity environment and low in relative permittivity. Hollow particles which comprise a shell containing a resin and a hollow portion surrounded by the shell, wherein the shell contains, as the resin, a polymer in which from 70 parts by mass to 100 parts by mass of a crosslinkable monomer unit is contained in 100 parts by mass of all monomer units; wherein a void ratio is 60% or more; wherein a content of a surfactant present on a surface of the hollow particles is 200 ppm or less; and wherein a relative permittivity at a frequency of 1 MHz is 1.6 or less.Type: GrantFiled: November 11, 2021Date of Patent: June 3, 2025Assignee: ZEON CORPORATIONInventor: Hisashi Kurokawa
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Patent number: 12297152Abstract: A silicon nitride sintered body includes a silicon nitride crystal grains and grain boundary phases. Further, when D stands for width of the silicon nitride sintered body before being subjected to surface processing, relations between an average grain diameter dA and an average aspect ratio rA of the silicon nitride crystal grain in a first region from an outermost surface to a depth of 0 to 0.01D and an average grain diameter dB and an average aspect ratio rB of the silicon nitride crystal grain in a second region inside the first region satisfy the inequalities: 0.8?dA/dB?1.2; and 0.8?rA/rB?1.2.Type: GrantFiled: November 22, 2022Date of Patent: May 13, 2025Assignees: Kabushiki Kaisha Toshiba, Toshiba Materials Co., Ltd.Inventor: Kai Funaki
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Patent number: 12291760Abstract: Some variations provide a composition for reducing a metal ore, the composition comprising a carbon-metal ore particulate, wherein the carbon-metal ore particulate comprises at least about 0.1 wt % to at most about 50 wt % fixed carbon on a moisture-free and ash-free basis, and wherein the carbon is at least 50% renewable carbon as determined from a measurement of the 14C/12C isotopic ratio. Some variations provide a process for reducing a metal ore, comprising: providing a biomass feedstock; pyrolyzing the feedstock to generate a biogenic reagent comprising carbon and a pyrolysis off-gas comprising hydrogen or carbon monoxide; obtaining a metal ore comprising a metal oxide; combining the carbon with the metal ore, to generate a carbon-metal ore particulate; optionally pelletizing the carbon-metal ore particulate; and utilizing the pyrolysis off-gas to chemically reduce the metal oxide to elemental metal, such as iron.Type: GrantFiled: September 25, 2021Date of Patent: May 6, 2025Assignee: Carbon Technology Holdings, LLCInventors: James A. Mennell, Daren Daugaard, Dustin Slack
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Patent number: 12291774Abstract: In a gas-barrier aluminum deposition film according to one embodiment of the present invention, a seed coating layer containing functional groups of at least one type selected from among a hydroxyl group (—OH), an amine group (—NH), and a carboxylic acid group (—COOH) is formed on a thermoplastic plastic base film to form a seed molecular layer that enables uniform deposition of aluminum, such as AlOx or AlNx, through chemical reaction, on a surface of the coating layer, with aluminum atoms vaporized at the initial stage of aluminum deposition, thereby inducing uniform deposition of an aluminum layer to be subsequently deposited. Therefore, it is possible to provide a deposited film having superior oxygen and water vapor barrier properties compared to existing aluminum deposition films.Type: GrantFiled: November 5, 2020Date of Patent: May 6, 2025Assignee: TORAY ADVANCED MATERIALS KOREA, INC.Inventors: Seung Hun Han, Kil Joong Kim, In Seek Chung
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Patent number: 12286562Abstract: A substrate is coated with a transparent coating film using a coating liquid for forming a transparent coating film including metal oxide particles and a matrix formation component. The metal oxide particles each include a metal oxide particle containing titanium oxide coated with silicon dioxide-stannic oxide complex oxide, including a titanium oxide-containing core particle; and a coating layer with which the titanium oxide-containing core particle is coated and that is made of silicon dioxide-stannic oxide complex oxide colloidal particles having a mass ratio of silicon dioxide/stannic oxide of 0.1 to 5.0, where one or more intermediate thin film layers that are made of any one of an oxide; a complex oxide of at least one element selected from Si, Al, Sn, Zr, Zn, Sb, Nb, Ta, and W; and a mixture of the oxide and the complex oxide are interposed between the core particle and the coating layer.Type: GrantFiled: January 13, 2022Date of Patent: April 29, 2025Assignee: NISSAN CHEMICAL INDUSTRIES, LTD.Inventors: Yoshinari Koyama, Tomoki Furukawa, Motoko Asada
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Patent number: 12285931Abstract: A polymeric film, sheet, or extrusion coating is formed as a multilayered structure having at least one A layer and at least one B layer. The polymeric film, sheet, or extrusion coating is able to include at least 30% recycled content resin while also exhibiting improved stiffness and strength relative to films with purely virgin polymers. One embodiment of the present invention further presents improved oxygen barrier properties relative to existing films, sheets, or extrusion coatings. Due to the strong structural properties, the polymeric film, sheet, or extrusion coating allows for the inclusion of recycled content into applications where recycled content has previously not been able to be included, such as flexible food, pharmaceutical, or cosmetics packaging.Type: GrantFiled: March 26, 2024Date of Patent: April 29, 2025Assignee: Peak Nano Films, LLCInventors: Michael Ponting, Wendy Hoenig, Stephen Mark Hoenig
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Patent number: 12264108Abstract: It relates to zirconia particles containing molybdenum and each having a polyhedron shape. The molybdenum is preferably unevenly distributed in surface layers of the zirconia particles. It also relates to a method for producing the zirconia particles. The method includes mixing a zirconium compound and a molybdenum compound to form a mixture and firing the mixture.Type: GrantFiled: December 16, 2020Date of Patent: April 1, 2025Assignee: DIC CorporationInventors: Shaowei Yang, Minoru Tabuchi, Jianjun Yuan, Cheng Liu, Meng Li, Wei Zhao, Jian Guo
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Patent number: 12264260Abstract: A multilayer coating film includes a lustrous layer containing a luster material and a colored layer containing a reddish coloring agent, and having translucency. Regarding a Y value of an XYZ colorimetric system calibrated with a standard white plate, when a light incident angle is 45°, Y(5°) represents a Y value of reflected light measured at a light receiving angle of 5°, and Y(15°) represents a Y value of reflected light measured at a light receiving angle of 15°, the lustrous layer satisfies the following: Y(5°) is 30 or more to 700 or less; Y(15°)=k×Y(5°) (where k is a coefficient); and k is 0.01 or more to 0.3 or less. The concentration of the reddish coloring agent in the colored layer is 1 mass % or more to 17 mass % or less.Type: GrantFiled: October 22, 2021Date of Patent: April 1, 2025Assignee: MAZDA MOTOR CORPORATIONInventors: Takakazu Yamane, Keiichi Okamoto, Kouji Teramoto, Ryuji Nonaka, Kazuteru Tamai, Eiichi Kawase, Tomohiro Fujimoto, Takayoshi Nakamoto
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Patent number: 12239948Abstract: Disclosed herein are methods for preparing sporopollenin exine capsules (SECs) and methods for preparing composite materials that comprise SECs that utilize ionic liquid compositions. The composite materials typically include structural polymers and the SECs, and the SECs optionally may encapsulate useful materials, such as flame retardant materials, phase change materials, and therapeutic materials, such as probiotics and prebiotics. The composite materials may be prepared from ionic liquid compositions comprising the structural polymers and the SECs which optionally may encapsulate the useful materials, where the ionic liquid is removed from the ionic liquid compositions to obtain the composite materials comprising the SECs.Type: GrantFiled: June 17, 2020Date of Patent: March 4, 2025Assignee: Marquette UniversityInventor: Chieu D. Tran
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Patent number: 12234362Abstract: A reflective granular composition including a reflective pigment material including a majority of kaolin clay and a hardening additive including a sodium salt or another salt. A method for making a reflective granular composition includes the steps of mixing together a reflective pigment material including a majority of kaolin clay and a hardening additive including a sodium salt or another salt to form a particulate mixture, forming a slurry from the particulate mixture by adding to the particulate mixture water and a binder material, granulating the slurry, drying the granulated slurry, and kilning the dried, granulated slurry to form the reflective granular composition. Methods of analyzing the strength of a reflective granular composition are also disclosed.Type: GrantFiled: December 4, 2020Date of Patent: February 25, 2025Assignee: U.S. Silica CompanyInventors: Ramanan Pitchumani, William Wells, David Earl Weller, Jr.
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Patent number: 12227451Abstract: A sand aggregate includes plural aggregate grains, wherein at least one aggregate grain of the plural aggregate grains includes, desert sand grains that are too small to be used in concrete applications, carbonate particles distributed on an external surface of the desert sand grains, and a sand-based glue that aggregates the desert sand grains together. The at least one aggregate grain has a size comparable to river sand grains, while the desert sand grains have a size smaller than the river sand grains so that the at least one aggregate grain is suitable for concrete applications.Type: GrantFiled: July 23, 2024Date of Patent: February 18, 2025Assignee: KING ABDULLAH UNIVERSITY OF SCIENCE AND TECHNOLOGYInventors: Anastasiya Bavykina, Juan Manuel Colom, Jorge Gascon, William McDonough
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Patent number: 12206110Abstract: A cathode material for sulfide-based all-solid-state batteries, in which Li3V2(PO4)3 (LVP) is doped with a transition metal having an oxidation number of +5 or more and the surface of the cathode material is substituted with a halogen element so as to have improved surface stability and energy density and to suppress side reactions with a solid electrolyte, a manufacturing method thereof, and an all-solid-state battery using the same.Type: GrantFiled: December 15, 2022Date of Patent: January 21, 2025Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATIONInventors: Im Sul Seo, Sang Heon Lee, Sung Woo Noh, Jeong Hyun Seo, Chung Bum Lim, Ju Yeong Seong, Je Sik Park
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Patent number: 12203006Abstract: Improved silica-based matting agents are disclosed. The matting agents are useful in waterborne coatings composition to provide exceptional properties to a wood based substrate. Films resulting from the silica-based matting agents on a wood substrate unexpectedly provide improved chemical resistance and/or film clarity to the surface of the wood substrate. Methods of making and using the matting agents are also disclosed.Type: GrantFiled: August 3, 2018Date of Patent: January 21, 2025Assignee: W.R. Grace & Co.-Conn.Inventors: Feng Gu, James Neil Pryor
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Patent number: 12202773Abstract: A solid composite material combining: an inorganic pigment in the form of discrete particles each comprising a colored core and a coating adapted to allow light to pass through and a matrix based on metalloid or metal oxide, said matrix being adapted to allow light to pass through.Type: GrantFiled: March 21, 2018Date of Patent: January 21, 2025Assignee: HUBLOT SA, GENÈVEInventors: Mathias Buttet, Luca Bianco, Sébastien Recalcati
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Patent number: 12202732Abstract: An aqueous hydrophobic silica dispersion includes a hydrophilic particulate silica, a hydrophobic particulate silica having a methanol number of at least 60, and a dispersant having at least one cationic or cationizable group and an HLB ratio of 2 to 20.Type: GrantFiled: April 17, 2024Date of Patent: January 21, 2025Assignee: Cabot CorporationInventors: Lang H. Nguyen, Kavita K. Pai, Steven Jacobs, Tianqi Liu, Melissa J. Monello, Angelica M. Sanchez Garcia, Zhangliang Gui, Takashi Umehara