Patents Examined by Ronak C Patel
-
Patent number: 12018401Abstract: A gallium oxide single crystal particle according to the present invention is an ?-Ga2O3 single crystal particle and has a diameter and a height that exceed 100 ?m.Type: GrantFiled: December 19, 2022Date of Patent: June 25, 2024Assignee: NGK INSULATORS, LTD.Inventors: Jun Yoshikawa, Miho Maeda, Hiroyuki Shibata
-
Patent number: 12012498Abstract: A substrate with a tetrafluoroethylene polymer and an inorganic filler, wherein the proportion of the total volume of the tetrafluoroethylene polymer and the inorganic filler to the total volume of the present substrate is at least 80 vol %, and the substrate has a rate of change in dielectric loss tangent at 10 GHz before and after 72 hours of unsaturated pressure cooker test at 120° C. under 85% RH on a 127-?m thick specimen cut out from the substrate is at most 30%.Type: GrantFiled: January 21, 2022Date of Patent: June 18, 2024Assignee: AGC Inc.Inventors: Motoshi Ono, Kanji Arai
-
Patent number: 11999857Abstract: 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 on the coated substrate unexpectedly provide improved chemical resistance, thermal stress resistance, weather resistance, and/or film clarity to the surface of a wood substrate. Methods of making and using the matting agents are also disclosed.Type: GrantFiled: June 1, 2018Date of Patent: June 4, 2024Assignee: W.R. Grace & Co.-Conn.Inventor: Feng Gu
-
Patent number: 11987503Abstract: A powder for coating or sintering has a peak assigned to cubic Y3Al5O12 and a peak assigned to orthorhombic YAlO3 exhibited in X-ray diffractometry, and the intensity ratio of the peak assigned to the (112) plane of the orthorhombic YAlO3 to the peak assigned to the (420) plane of the cubic Y3Al5O12 is at least 0.01 and less than 1. Alternatively, a powder for coating or sintering includes a composite oxide of yttrium and aluminum, and the volume of pores with a pore size of from 0.1 to 1 ?m of the powder is at least 0.16 mL/g. It is preferable that, in X-ray diffractometry using CuK? radiation with a scan range of 2?=20° to 60°, a peak assigned to the cubic Y3Al5O12 is a peak that shows the highest peak intensity.Type: GrantFiled: July 24, 2019Date of Patent: May 21, 2024Assignee: NIPPON YTTRIUM CO., LTD.Inventors: Kento Matsukura, Seiji Moriuchi
-
Patent number: 11987501Abstract: 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: January 24, 2019Date of Patent: May 21, 2024Assignee: Cabot CorporationInventors: Lang H. Nguyen, Kavita K. Pai, Steven Jacobs, Tianqi Liu, Melissa J. Monello, Angelica M. Sanchez Garcia, Zhangliang Gui, Takashi Umehara
-
Patent number: 11981574Abstract: The present invention provides a fine silicon powder and the like including fine silicon particles having a microscopically measured particle diameter of 1 ?m or more and an average circularity determined in accordance with Formula (1) of 0.93 or more, in which an average particle diameter based on volume, which is measured by a laser diffraction scattering method, is in a range of 0.8 ?m or more and 8.0 ?m or less, an average particle diameter based on number, which is measured by the laser diffraction scattering method, is in a range of 0.100 ?m or more and 0.150 ?m or less, and a specific surface area, which is measured by a BET method, is in a range of 4.0 m2/g or more and 10 m2/g or less. Circularity=(4×?×projected area of particle)1/2/peripheral length of particle (1).Type: GrantFiled: December 2, 2020Date of Patent: May 14, 2024Assignee: MITSUBISHI MATERIALS CORPORATIONInventors: Yoshinobu Nakada, Naoki Rikita
-
Patent number: 11975972Abstract: Provided is a carbon material that is large in specific surface area, and moreover, capable of easily forming an electrode film even when any binder is substantially not contained. Provided is a carbon material that has a BET specific surface area of 100 m2/g or more, with the weight of the carbon material remaining on a sieve after shaking being 90% by weight or more with respect to 100% by weight of the carbon material put in the sieve, when 0.2 g of the carbon material packed in a cylindrical syringe of 2 cm in diameter is compressed at a pressure of 16 kN, the whole of the compressed carbon material is taken out from the syringe and put in the sieve with an aperture of 4.75 mm, and the sieve is shaken for 1 minute.Type: GrantFiled: July 30, 2019Date of Patent: May 7, 2024Assignee: SEKISUI CHEMICAL CO., LTD.Inventors: Takuya Wada, Naoki Sasagawa
-
Patent number: 11967716Abstract: Disclosed is a hollow sulfide microsphere with enriched sulfur vacancies, which is prepared by a method comprising the steps of: dissolving cobalt nitrate and nickel nitrate in a mixed solution of N, N-dimethylformamide and acetone with an equal volume; then adding a chelating agent thereto, subjecting a resulting mixture to a solvothermal reaction to obtain a coordination polymer microsphere; dissolving the coordination polymer microsphere and a sulfurization agent in an organic solvent, and reacting to obtain a hollow sulfide microsphere; and subjecting the hollow sulfide microsphere to reduction treatment with sodium borohydride, centrifuging, washing and drying to obtain the hollow sulfide microsphere with enriched sulfur vacancies having a particle size of 1-2.5 ?m, a shell thickness of 15-30 nm and a specific capacity of the material of 763.4 C g?1 (current density is 1 A g?1).Type: GrantFiled: January 26, 2022Date of Patent: April 23, 2024Assignee: Beijing Institute of TechnologyInventors: Ziqiang Shao, Shuai Jia, Jie Wei, Zhen Huang, Baixue Gong
-
Patent number: 11951550Abstract: A cemented carbide including tungsten carbide grains and a binder phase, in which a total content of the tungsten carbide grains and the binder phase in the cemented carbide is no less than 80 vol %, a content of the binder phase in the cemented carbide is no less than 0.1 vol % and no more than 20 vol %, in a histogram showing distribution of orientation differences between adjacent pairs each consisting of two of the tungsten carbide grains adjacent to each other in the cemented carbide, a first peak is present in a class of the orientation differences of no less than 29.5° and less than 30.5°.Type: GrantFiled: January 20, 2022Date of Patent: April 9, 2024Assignee: SUMITOMO ELECTRIC INDUSTRIES, LTD.Inventors: Yasuki Kido, Katsumi Okamura, Takashi Sekiya
-
Patent number: 11945196Abstract: 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: February 2, 2022Date of Patent: April 2, 2024Assignee: PEAK NANO FILMS, LLCInventors: Michael Ponting, Wendy Hoenig, Stephen Mark Hoenig
-
Patent number: 11912849Abstract: The present invention is directed to granules comprising a fiber reinforced composition (C), said composition comprising a propylene polymer (PP), an elastomeric ethylene copolymer (E) and long fibers (LF).Type: GrantFiled: December 4, 2018Date of Patent: February 27, 2024Assignee: Borealis AGInventors: Michael Jerabek, Wolfgang Stockreiter, Thomas Lummerstorfer
-
Patent number: 11897775Abstract: Nitric oxide-releasing materials, methods of making nitric oxide-releasing materials, and uses of nitric oxide-releasing materials are provided. The nitric oxide-releasing materials include a mesoporous silica core and an outer surface having a plurality of nitric oxide donors. In an exemplary aspects, the nitric oxide-releasing material includes a mesoporous diatomaceous earth core, and an outer surface having a plurality of S-nitroso-N-acetyl-penicillamine groups covalently attached thereto. Uses of the nitric oxide-releasing materials can include coatings for medical devices such as catheters, grafts, and stents; wound gauzes; acne medications; and antiseptic mouthwashes; among others.Type: GrantFiled: August 11, 2021Date of Patent: February 13, 2024Assignee: University of Georgia Research Foundation, Inc.Inventors: Hitesh Handa, Marcus Goudie, Jitendra Pant, Bryan Grommersch, Sean Hopkins
-
Patent number: 11895952Abstract: An agricultural and horticultural film that does not raise a temperature of an atmosphere such as a greenhouse by using the agricultural and horticultural film in the greenhouse, etc., while absorbing infrared rays from the sunlight and warming the soil, the film having an infrared absorbing layer containing infrared absorbing material ultrafine particles, wherein the infrared absorbing material ultrafine particles are composite tungsten oxide ultrafine particles, and the composite tungsten oxide ultrafine particles have a XRD peak top intensity ratio value of 0.13 or more based on an XRD peak intensity ratio value of 1 on plane of a silicon powder standard sample (640c produced by NIST).Type: GrantFiled: June 19, 2018Date of Patent: February 13, 2024Assignee: SUMITOMO METAL MINING CO., LTD.Inventors: Hirofumi Tsunematsu, Takeshi Chonan
-
Patent number: 11894171Abstract: Provided is an Al-containing hexagonal ferrite magnetic powder which produces an excellent durability-improving effect on a magnetic recording medium, wherein uniform pulverization of the magnetic powder can be easily achieved by dispersion treatment in preparation of a magnetic coating material even in cases where the magnetic powder has a small primary particle size or has a composition which is likely to produce hard secondary particles. The magnetic powder for a magnetic recording medium is an Al-containing hexagonal ferrite magnetic powder having an Al/Fe molar ratio of 0.030 to 0.200, and has a particle size distribution in which the volume ratio of particles having a particle size of 30 ?m or more as measured by a laser diffraction particle size distribution analyzer with a dispersion pressure of 100 kPa is 5.0% or less, and an activation volume Vact of 1800 nm3 or less.Type: GrantFiled: November 14, 2019Date of Patent: February 6, 2024Assignees: DOWA ELECTRONICS MATERIALS CO., LTD., FUJIFILM CORPORATIONInventors: Hirohisa Omoto, Shuji Kaneda, Satoshi Shiki, Hiroyuki Suzuki, Toshio Tada
-
Patent number: 11891542Abstract: Alpha-Alumina flakes having a particle thickness of 130-400 nm, a D50-value of 15-30 ?m, a D90-value of 30-45 ?m and a D10-value of <9.5 ?m. Use of the alumina flakes in varnishes, paints, automotive coatings printing inks, masterbatches, plastics and cosmetic formulations. Also, use of the alumina flakes as a substrate for effect pigments and in organic dyes.Type: GrantFiled: April 21, 2022Date of Patent: February 6, 2024Assignee: MERCK PATENT GMBHInventors: Ryuta Suzuki, Gerhard Pfaff, Sabine Schoen, Noriyuki Matsuda, Katsuhisa Nitta
-
Patent number: 11891541Abstract: Alpha-Alumina flakes having a particle thickness of 130-400 nm, a D50-value of 15-30 ?m, a D90-value of 30-45 ?m and a D10-value of <9.5 ?m. Use of the alumina flakes in varnishes, paints, automotive coatings printing inks, masterbatches, plastics and cosmetic formulations. Also, use of the alumina flakes as a substrate for effect pigments and in organic dyes.Type: GrantFiled: April 14, 2022Date of Patent: February 6, 2024Assignee: MERCK PATENT GMBHInventors: Ryuta Suzuki, Gerhard Pfaff, Sabine Schoen, Noriyuki Matsuda, Katsuhisa Nitta
-
Patent number: 11873383Abstract: Vanadium oxide nanomaterial composite compositions and substrates including films comprising vanadium oxide nanomaterial composite compositions are described. A film and composition generally including a polymeric matrix; and a crystalline vanadium oxide nanomaterial dispersed in the polymeric matrix, wherein the crystalline vanadium oxide nanomaterial comprises a smallest dimension between about 100 nm and about 5 nm.Type: GrantFiled: June 28, 2018Date of Patent: January 16, 2024Assignee: THE TEXAS A&M UNIVERSITY SYSTEMInventors: Sarbajit Banerjee, Kate E. Pelcher, Nathan A. Fleer
-
Patent number: 11867694Abstract: The present invention relates to latex particles for measurement reagents, said latex particles having a coefficient of variation in particle diameters of 10% or less and an average particle diameter of 250 to 1000 nm. Each of the latex particles contains 20% by weight or more of a compound having a refractive index of 1.60 or more. The depth of a supernatant is 5 mm or less when a liquid dispersion having a solid matter concentration of 1% by weight, which is prepared by dispersing the latex particles in ultrapure water, is placed in a tubular 10-ml measuring cylinder having a body inner diameter of 10.8 mm and is then allowed to leave for 10 days. According to the particles, a measurement of a measurement sample can be performed at a high sensitivity even when the concentration of a substance to be tested in the measurement sample is low.Type: GrantFiled: May 24, 2018Date of Patent: January 9, 2024Assignee: SEKISUI MEDICAL CO., LTD.Inventors: Satoru Sugimoto, Takeshi Wakiya, Shinichiro Kitahara, Maasa Yaji, Yuya Inaba
-
Patent number: 11855284Abstract: A positive electrode active material precursor for a non-aqueous electrolyte secondary battery, including-nickel composite hydroxide particles, is provided, wherein a cross section of each nickel composite hydroxide particle includes voids, and an average value of a ratio of an area of the voids in an area of each of the plurality of regions partitioned by predetermined boundary lines, is greater than or equal to 0.5% and less than or equal to 5.0%, and a standard deviation of the ratio of the area of the voids in the area of each of the plurality of regions partitioned by the predetermined boundary lines, is less than or equal to 1.0.Type: GrantFiled: November 27, 2018Date of Patent: December 26, 2023Assignee: SUMITOMO METAL MINING CO., LTD.Inventors: Kenji Tashiro, Kentaro Sogabe
-
Patent number: 11834579Abstract: A copper oxide coated pigment including a particle having an outer surface, and a layer of copper oxide on the outer surface. The pigment has a reflectivity of electromagnetic radiation in a visible spectrum less than or equal to 5%, and a reflectivity of electromagnetic radiation in a near-IR and LiDAR spectrum greater than or equal to 5%. The particle is cobalt oxide or carbon black. A method for forming copper oxide coated particles includes combining a precipitating agent with a solution of copper nitrate and particles, forming coated particles. The particles are cobalt oxide or carbon black. Washing the particles, obtaining washed coated particles, and filtering the washed coated particles, obtaining filtered coated particles. Drying the filtered coated particles, obtaining dried coated particles, and calcining the dried coated particles to form the copper oxide coated particles.Type: GrantFiled: February 5, 2021Date of Patent: December 5, 2023Assignee: Toyota Motor Engineering & Manufacturing North America, Inc.Inventors: Songtao Wu, Krishna Gunugunuri, Debasish Banerjee