Patents Examined by C. Melissa Koslow
  • Patent number: 11964030
    Abstract: The present disclosure provides a root-canal sealer composition including cement and a hygroscopic liquid, in which the cement includes tricalcium silicate (3CaO·SiO2) in which an aluminum atom (Al) is solid-soluted (Al solid-soluted C3S), dicalcium silicate (2CaO·SiO2) in which an aluminum atom (Al) is solid-soluted (Al solid-soluted C2S), and tricalcium aluminate (3CaO·Al2O3) in which a silicon atom (Si) is solid-soluted (Si solid-soluted C3A), the tricalcium aluminate being disposed between at least one selected from the group consisting of the Al solid-soluted C3S and the Al solid-soluted C2S. When the cement including aluminum solid-soluted tricalcium silicate, aluminum solid-soluted dicalcium silicate, and silicon solid-soluted tricalcium aluminate is prepared and used for a root-canal sealer composition, a curing time is reduced and compressive strength is increased.
    Type: Grant
    Filed: August 1, 2019
    Date of Patent: April 23, 2024
    Assignee: VERICOM CO., LTD.
    Inventors: Myunghwan Oh, Dohyun Kim, Jongho Kang, Jiyeon Suh, Yunki Kim
  • Patent number: 11965049
    Abstract: Photosensitive compositions containing nanosized light emitting materials and (meth)acrylic polymer are suitable for use in a variety of optical applications, for example the preparation of quantum material doped photoresist films, especially for optical devices. Optical films can be prepared be by: a) providing the photosensitive composition onto a substrate, and b) polymerizing the photosensitive composition by exposing the photosensitive composition to radiation.
    Type: Grant
    Filed: July 31, 2019
    Date of Patent: April 23, 2024
    Assignee: MERCK PATENT GMBH
    Inventors: Tadashi Kishimoto, Yuko Arai, Masayoshi Suzuki, Daishi Yokoyama, Katsuto Taniguchi
  • Patent number: 11965123
    Abstract: A red phosphor that has optical characteristics and durability under high-temperature and high-humidity environments, and a method for producing the same. The red phosphor includes a Mn-activated complex fluoride represented by the following general formula (1) and bismuth: A2MF6:Mn4+??(1) wherein A represents at least one alkali metal element selected from the group consisting of lithium, sodium, potassium, rubidium and cesium, and M represents at least one tetravalent element selected from the group consisting of silicon, germanium, tin, titanium, zirconium and hafnium.
    Type: Grant
    Filed: March 19, 2020
    Date of Patent: April 23, 2024
    Assignee: STELLA CHEMIFA CORPORATION
    Inventors: Hiroaki Takatori, Shinya Kumazawa, Tetsuya Arakawa, Tetsuo Nishida
  • Patent number: 11958999
    Abstract: The present disclosure relates to a ligand for a quantum dot, a ligand quantum dot, a quantum dot layer and a method for patterning the same. The surface of the ligand quantum dot of the present disclosure is connected with the cleavage-type ligand including a first ligand unit A, a cleavage unit B, and an adhesion adjusting unit C. The method includes: providing a substrate; coating a mixture containing the ligand quantum dot on the substrate to form a quantum dot film; exposing a preset region of the quantum dot film to ultraviolet light, so that the cleavage unit B in the cleavage-type ligand undergoes a photolysis reaction, and a molecular segment containing the adhesion adjusting unit C and obtained after decomposition is detached from a surface of the quantum dot; and washing off an unexposed region of the quantum dot film with an organic solvent, followed by drying.
    Type: Grant
    Filed: September 11, 2020
    Date of Patent: April 16, 2024
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Wenhai Mei, Zhenqi Zhang, Aidi Zhang, Xiaoyuan Zhang, Haowei Wang
  • Patent number: 11958977
    Abstract: Disclosed is a fluorescently labeled polysaccharide. The fluorescently labeled polysaccharide is formed by covalently coupling a polysaccharide to a fluorescent dye having a structure as shown in Formula I. A stable covalent bond is form between the polysaccharide molecule and the fluorescent dye molecule. The fluorescently labeled polysaccharide has high stability in serum and other detection environments, has high biocompatibility, and is applicable to the detection of carbohydrate molecules inside and outside cells. Due to a large Stokes shift of the fluorescent dye molecule, the fluorescently labeled polysaccharide has advantages of high fluorescence stability, high fluorescence quantum yields, and achieves high signal-to-noise ratios in imaging results. Further disclosed is a method for preparing the fluorescently labeled polysaccharide.
    Type: Grant
    Filed: June 12, 2018
    Date of Patent: April 16, 2024
    Assignee: SUZHOU BAIYUAN GENT CO., LTD.
    Inventor: Tuanjie Che
  • Patent number: 11958758
    Abstract: Disclosed is a ferromagnetic element-substituted room-temperature multiferroic material having ferromagnetism and ferroelectricity at room temperature, wherein the ferromagnetic element-substituted room-temperature multiferroic material includes a compound of chemical formula 1: <chemical formula 1> (Pb1-xMx)Fe1/2Nb1/2O3. In chemical formula 1, M represents a ferromagnetic element, and x represents a number greater than 0 and smaller than 1.
    Type: Grant
    Filed: August 5, 2019
    Date of Patent: April 16, 2024
    Assignee: UNIST(ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY)
    Inventors: Wook Jo, Jae Hyeon Cho
  • Patent number: 11958981
    Abstract: Hydrophobized granular material comprising from 30 to 95% by weight of a pyrogenic mixed oxide based on silica and at least one oxide of metal M selected from of Al, Ti and Fe with the content of metal M oxide in the mixed oxide being from 01 to 10% by weight, and from 5 to 70% by weight of at least one IR-opacifier selected from the group consisting of silicon carbide, zirconium dioxide, ilmenites, iron titanates, zirconium silicates, manganese oxides, graphites, carbon blacks and mixtures thereof.
    Type: Grant
    Filed: July 9, 2019
    Date of Patent: April 16, 2024
    Assignee: Evonik Operations GmbH
    Inventors: Uwe Numrich, Christian Moers, Bettina Gerharz-Kalte, Björn Lazar, Matthias Geisler
  • Patent number: 11959002
    Abstract: Provided herein are phosphors of the general molecular formula: (A2-2xEux)(Mg1-yCay)PO4F wherein the variables are as defined herein. Methods of producing the phosphors are also provided. In some aspects, the present disclosure provides light-emitting devices comprising these phosphors.
    Type: Grant
    Filed: November 19, 2021
    Date of Patent: April 16, 2024
    Assignee: University of Houston System
    Inventors: Jakoah Brgoch, Shruti Hariyani
  • Patent number: 11959000
    Abstract: Provided are a photon up-conversion film, which is capable, of high-efficiency up-conversion even in air and even when low-intensity light is used, and a simple method of producing the film. The photon up-conversion film according to one embodiment of the present invention includes: a matrix including a resin; and a pore portion, wherein the photon up-conversion film includes at least a sensitizing component capable of absorbing light in a first wavelength region ?1, and a light-emitting component capable of radiating light in a second wavelength region ?2 including wavelengths shorter than those of the first wavelength region ?1, and wherein the sensitizing component and the light-emitting component are present at an interface between the matrix and the pore portion.
    Type: Grant
    Filed: June 15, 2022
    Date of Patent: April 16, 2024
    Assignees: WAKAYAMA PREFECTURE, NITTO DENKO CORPORATION
    Inventors: Takeshi Mori, Tomohiro Mori, Akane Saito, Tsuyoshi Masuda, Hitoshi Saomoto, Mami Kawaguchi, Minoru Miyatake, Shoichi Matsuda, Masato Katsuda
  • Patent number: 11958779
    Abstract: The MnZn ferrite material includes principal components and auxiliary components, where the principal components include: 52.5 mol % to 53.8 mol % of Fe2O3, 8.8 mol % to 12 mol % of ZnO, and the balance of MnO; the auxiliary components include: 0.35 wt % to 0.5 wt % of Co2O3, 0.03 wt % to 0.08 wt % of CaSiO3, 0.01 wt % to 0.04 wt % of Nb2O5, and 0.05 wt % to 0.12 wt % of TiO2 and RE elemental components; the RE elemental components include one or more from the group consisting of 0 wt % to 0.04 wt % of Gd2O3, 0 wt % to 0.02 wt % of Ho2O3, and 0 wt % to 0.03 wt % of Ce2O3; the auxiliary components are all represented by a mass percentage relative to a total mass of the Fe2O3, the MnO, and the ZnO.
    Type: Grant
    Filed: September 24, 2021
    Date of Patent: April 16, 2024
    Assignee: TDG HOLDING CO., LTD
    Inventors: Hongjian Wang, Bingbing Xing, Yanfeng Huang, Qiangyuan Zhang, Zhixin Zhang
  • Patent number: 11952286
    Abstract: Provided are: an Mn ferrite powder characterized by including a plurality of ferrite particles, having a volume-average particle diameter of 1-10 ?m, and having a 2.106 ?m volume-based cumulative distribution (sieved) of 0.1-50.0 vol %; and a resin composition characterized by including said powder and a resin material.
    Type: Grant
    Filed: February 6, 2019
    Date of Patent: April 9, 2024
    Assignee: POWDERTECH CO., LTD.
    Inventors: Koji Aga, Takashi Kojima, Kazutaka Ishii, Tetsuya Igarashi, Sho Kuwahara
  • Patent number: 11952522
    Abstract: An object is to provide a quantum dot that has a narrow fluorescence half-width and a high fluorescence quantum yield, and emits blue fluorescence. A quantum dot (5) according to the present invention includes at least Zn and Se and does not include Cd, and has a particle diameter of 5 nm or more and 20 nm or less. In addition, the quantum dot (5) according to the present invention includes at least Zn and Se and does not include Cd, and has a fluorescence quantum yield of 5% or more and a fluorescence half-width of 25 nm or less. In the present invention, the fluorescence lifetime can be made 50 ns or less.
    Type: Grant
    Filed: September 16, 2020
    Date of Patent: April 9, 2024
    Assignee: NS MATERIALS INC.
    Inventors: Soichiro Nikata, Yuko Ogura, Mikihiro Takasaki, Yuka Takamizuma
  • Patent number: 11945753
    Abstract: A multiphase ferrite composition includes a primary phase consisting of a MnZn ferrite matrix; and 0.01 to 10 weight percent microscaled inclusion particles comprising an orthoferrite RFeO3 wherein R is a rare earth ion, yttrium iron garnet (YIG), or a combination thereof, wherein the microscaled inclusion particles have an average particle size (D50) of 0.1 micron to 5 microns, and wherein the D50 of the microscaled inclusion particles is smaller than the average particle size (D50) of the MnZn ferrite particles; and optionally 0.01 to 5 weight percent additive; wherein weight percent is based on the total weight of the multiphase ferrite composition. A method of manufacturing the multiphase ferrite composition is also disclosed.
    Type: Grant
    Filed: October 16, 2019
    Date of Patent: April 2, 2024
    Assignee: ROGERS CORPORATION
    Inventors: Yajie Chen, Yiying Yao
  • Patent number: 11942576
    Abstract: A photocurable composition includes a blue photoluminescent material, one or more monomers, and a photoinitiator that initiates polymerization of the one or more monomers in response to absorption of the ultraviolet light. The blue photoluminescent material is selected to absorb ultraviolet light with a maximum wavelength in a range of about 300 nm to about 430 nm and to emit blue light. The blue photoluminescent material also has an emission peak in a range of about 420 nm to about 480 nm. The full width at half maximum of the emission peak is less than 100 nm, and the photoluminescence quantum yield is in a range of 5% to 100%.
    Type: Grant
    Filed: August 28, 2020
    Date of Patent: March 26, 2024
    Assignee: Applied Materials, Inc.
    Inventors: Yingdong Luo, Lisong Xu, Sivapackia Ganapathiappan, Hou T. Ng, Byung Sung Kwak, Mingwei Zhu, Nag B. Patibandla
  • Patent number: 11942267
    Abstract: A sintered body containing: a plurality of coated grains each having a metal magnetic body grain coated with a resin layer; a plurality of ferrite grains; and an amorphous phase between the plurality of coated grains and the plurality of ferrite grains. The amorphous phase may contain a metal element that is the same as a metal element contained in the ferrite grains.
    Type: Grant
    Filed: June 21, 2021
    Date of Patent: March 26, 2024
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventor: Eigo Kobayashi
  • Patent number: 11939265
    Abstract: A thermal barrier material for use in shielding components of a vehicle from hot exhaust surfaces includes 35 to 53% of a plurality of clays by weight and a remainder including magnesium silicate, alumina trihydrate, alumino-borosilicate glass, rock wool, basalt fiber, acrylamide copolymer coagulant, acrylic latex, fatty alcohol alkoxylate, or anionic polyacrylamide. A sample of the thermal barrier material, when exposed to a temperature of 400° Celsius, produces smoke having a density less than 5 g/cm3 as measured according to the ISO 5659-2:2006(E) standard.
    Type: Grant
    Filed: September 16, 2021
    Date of Patent: March 26, 2024
    Assignee: Lydall Performance Materials (US), Inc.
    Inventor: Mary C. Deats
  • Patent number: 11939502
    Abstract: The present disclosure relates to quantum dots with a core of III-V material, a first layer of II-VI material and an external shell of II-VI material to be used, for example, in downconverters. The external shell is preferably made of an alloy of Zn and Cd with Se or S. Introducing a small amount of Cd in the external shell provides excellent absorbance performance in blue, violet and UV wavelengths. The amount of Cd needed for this increase in absorbance can be very low. Further, the emitted light can be nearly monochromatic, which is especially interesting in electronic applications.
    Type: Grant
    Filed: December 6, 2021
    Date of Patent: March 26, 2024
    Assignee: QustomDot B.V.
    Inventors: Zeger Hens, Mickael Tessier, Dorian Dupont
  • Patent number: 11932793
    Abstract: The invention relates to a phosphor with garnet structure and a light-emitting device comprising the phosphor, wherein the phosphor includes the following components in percentage by weight: 38.47-45.19% of Y element, 9.49-22.09% of Al element, 2.06-24.31% of Ga element, 27.3-32.04% of O element, 0.43-1.46% of Ce element. In the phosphor particles, the shortest distance from the surface of one side of the particle to the surface of the opposite side through the centroid of the particle is defined as R, the longest distance is R1, and 5 ?m?R?40 ?m; any distance from the particle surface to the centroid is r, and 0<r<½R; and the space with the distance from the particle surface to the centroid direction being less than or equal to r is defined as rinner.
    Type: Grant
    Filed: May 19, 2022
    Date of Patent: March 19, 2024
    Assignees: GRIREM ADVANCED MATERIALS CO., LTD., Grirem Hi-Tech Co., Ltd, Rare Earth Functional Materials (Xiong'an) Innovation Center Co., Ltd.
    Inventors: Ronghui Liu, Shaowei Qin, Yuanhong Liu, Yanfeng Li, Xiaoxia Chen, Xiaole Ma, Yuan Xue
  • Patent number: 11932791
    Abstract: A phosphor having the general formula EA7A2T1t1T2t2 T3t3NnOo:RE. EA is selected from the group of divalent elements. A is selected from the group of monovalent elements. T1 is selected from the group of trivalent elements. T2 is selected from the group of tetravalent elements. T3 is selected from the group of pentavalent elements. RE is an activator element. 16+3 t1+4 t2+5 t3?3n?2 o=0. t1+t2+t3=5; n+o=16; 0?t1?4; 0?t2?5; 0?t3?5; 0?n?9; 7?o?16.
    Type: Grant
    Filed: February 14, 2020
    Date of Patent: March 19, 2024
    Assignee: OSRAM Opto Semiconductors GmbH
    Inventors: Simon Peschke, Stefan Lange
  • Patent number: 11932794
    Abstract: Disclosed are quantum dots based on a graded multishell structure and a method of manufacturing the same. More particularly, each of the quantum dots according to an embodiment of the present invention includes a core, inter shells surrounding the core, and an outer shell surrounding the inter shells, wherein the concentrations of compounds composing the inter shells are changed stepwise from the core to the outer shell.
    Type: Grant
    Filed: May 22, 2020
    Date of Patent: March 19, 2024
    Assignee: INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY
    Inventors: Jea Gun Park, Seung Jae Lee, Ji Eun Lee, Chang Jin Lee