Patents Examined by Ronak C Patel
  • Patent number: 11618716
    Abstract: A manufacturing method of a dielectric ceramic composition includes attaching a reactive functional group to a surface of a base material powder particle of a perovskite structure.
    Type: Grant
    Filed: March 31, 2020
    Date of Patent: April 4, 2023
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Chang Geon Lee, Hae Suk Chung, Yoon Soo Park, Dong Jun Jung, Yun Jung Park
  • Patent number: 11618827
    Abstract: A method for preparing a composition including mineral particles functionalized by at least one organic group and having a specific surface defined according to the BET method greater than 500 m2/g, involves: —choosing a phyllosilicate composition, including mineral particles having a thickness of less than 100 nm, a largest dimension of less than 10 ?m and belonging to the family of lamellar silicates; —choosing at least one functionalizing agent, from the group formed from the oxysilanes and oxygermanes having at least one organic group, —bringing the phyllosilicate composition into contact with a functionalizing solution including the functionalizing agent, so as to obtain a phyllosilicate composition including mineral particles functionalized by the organic group, while choosing the organic group from the group formed from the cationic heteroaryl groups, the quaternary ammonium groups and the salts of same. The phyllosilicate composition obtained by the method is also described.
    Type: Grant
    Filed: March 21, 2022
    Date of Patent: April 4, 2023
    Assignees: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (C.N.R.S.), UNIVERSITE PAUL SABATIER TOULOUSE III
    Inventors: Christophe Le Roux, Francois Martin, Pierre Micoud, Angela Dumas
  • Patent number: 11584645
    Abstract: 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 a ratio of a peak intensity showing a bond between the Group III element and the Group II element to a peak intensity showing a bond between the Group III element and the Group V element, which is measured by Raman spectroscopy, is in a range of 0.16 to 0.33; a method of producing the core shell particle; and a film formed of the core shell particle.
    Type: Grant
    Filed: August 20, 2019
    Date of Patent: February 21, 2023
    Assignee: FUJIFILM Corporation
    Inventor: Hiroshi Isojima
  • Patent number: 11584858
    Abstract: The present invention discloses a dry powder composition comprising a thermosetting resin in particulate form, wherein the dry powder composition has a particle size measured according to ISO 13320 (2009) characterized by a Dv90 of 50 ?m or lower, a Dv50 in the range of 5.1 to 12.5 ?m, and a ratio of Dv ? ? 90 - Dv ? ? 10 Dv ? ? 50 in the range of 1.5 to 4.2. The present invention also discloses processes for preparing the dry powder using jet milling, and processes of applying the dry powder composition to a metal surface. Furthermore, the present invention discloses the uses of the dry powder composition as a bonding material or as an adhesion promoter in a polymer compound.
    Type: Grant
    Filed: January 31, 2020
    Date of Patent: February 21, 2023
    Assignee: H.B. Fuller Company
    Inventors: Geoffrey D. Hatch, Andrew Carr
  • Patent number: 11578242
    Abstract: The embodiments described herein generally relate to methods and chemical compositions for coating substrates with a composition. In one embodiment, an adhesive composition is provided comprising a reaction product of a polyacid selected from the group consisting of an aromatic polyacid, an aliphatic polyacid, an aliphatic polyacid with an aromatic group, and combinations thereof, or a diglycidyl ether; and a polyamine; and one or more compounds selected from the group consisting of a branched aliphatic acid, a cyclic aliphatic acid with a cyclic aliphatic group, a linear aliphatic, and combinations thereof. The adhesive composition may be used to cover a substrate.
    Type: Grant
    Filed: June 21, 2017
    Date of Patent: February 14, 2023
    Assignee: HEXION INC.
    Inventors: Charles Zha, Jan Beetge, Leo Elder, John W. Green
  • Patent number: 11572926
    Abstract: Provided is an iron oxide powder for a brake friction material which can be suitably used in a brake friction material that is less likely to cause problems regarding brake squealing and that provides superior braking performance. The iron oxide powder for a brake friction material according to a first embodiment of the present invention is characterized by having a sulfur content of 150 ppm or less as measured by combustion ion chromatography, and a saturation magnetization of 20 emu/g or less. The iron oxide powder for a brake friction material according to a second embodiment of the present invention is characterized by having an average particle size of 1.0 ?m or more, a chlorine content of 150 ppm or less as measured by combustion ion chromatography, and a saturation magnetization of 20 emu/g or less.
    Type: Grant
    Filed: February 7, 2022
    Date of Patent: February 7, 2023
    Assignee: POWDERTECH CO., LTD.
    Inventors: Koji Aga, Takashi Kojima
  • Patent number: 11560312
    Abstract: A composite material includes electro-deposited manganese dioxide particles of up to 110 micron in size and in a form of ?-modification of manganese dioxide; and single-walled carbon nanotubes with a diameter of 1 to 2 nm and a length of 1 to 5 ?m, wherein a content of the carbon nanotubes is 0.0001 to 0.1 wt % of the composite material. Optionally, the particles have an average size of about 40-60 microns. Optionally, the carbon nanotubes form a coating on a surface of the particles and extend inward from the surface. Optionally, the single-wall carbon nanotubes form a three-dimensional conductive network in the material.
    Type: Grant
    Filed: November 30, 2021
    Date of Patent: January 24, 2023
    Assignee: MCD TECHNOLOGIES S.A.R.L
    Inventor: Scott Donne
  • Patent number: 11560711
    Abstract: The heat insulation sheet is provided with a fixing layer that is arranged between a base material and a carbon sheet. The fixing layer is made of a pressure-sensitive adhesive. The base material has flexibility. The carbon sheet is made by rolling expanded graphite and has a thickness from twenty-five micrometers to one hundred micrometers. In the sheet material, activated carbon is arranged opposite to the fixing layer side of the heat insulation sheet, and a surface material is arranged on a surface of the activated carbon. The fixing layer can be constituted in such a manner that a hot-melt adhesive is arranged in a reticulate manner.
    Type: Grant
    Filed: October 14, 2021
    Date of Patent: January 24, 2023
    Assignee: OHGI TECHNOLOGICAL CREATION CO., LTD.
    Inventor: Takehiko Ohgi
  • Patent number: 11542174
    Abstract: An object of the present invention is to provide ferrite particles having a high magnetic permeability in a frequency band of 1 MHz to 1 GHz. Another object is to provide a resin composition containing the ferrite particles and an electromagnetic wave shielding material composed of the resin composition. The ferrite particles are composed of a single crystalline body having an average particle size of 1 to 2000 nm and has a spherical particle shape, wherein the ferrite particles contain substantially no Zn, 3 to 25 wt % of Mn, and 43 to 65 wt % of Fe, and a real part ?? of a complex magnetic permeability measured using a molding composed of the ferrite particles and a binder resin has a maximal value in a frequency band of 100 MHz to 1 GHz.
    Type: Grant
    Filed: May 31, 2017
    Date of Patent: January 3, 2023
    Assignee: POWDERTECH CO., LTD.
    Inventors: Takashi Kojima, Kazutaka Ishii, Takao Sugiura, Tetsuya Igarashi, Koji Aga
  • Patent number: 11512208
    Abstract: A flame or heat flux protective coating composition, which includes a dispersion of fiberglass, hollow glass spheres, or a combination of both in silicone. A flame or heat flux protective sheet, which includes hollow glass spheres dispersed in silicone in a sheet form or fiberglass and silicone in a sheet form, wherein the fiberglass is dispersed in the silicone or the fiberglass is a woven cloth coated with the silicone is also presented. Articles incorporating the flame or heat flux protective coating or sheet form and methods for coating an article with the flame or heat flux protective coating composition are also presented.
    Type: Grant
    Filed: May 30, 2019
    Date of Patent: November 29, 2022
    Assignee: RUTGERS, THE STATE UNIVERSITY OF NEW JERSEY
    Inventors: Thomas J. Nosker, Jennifer K. Lynch-Branzoi, Mark Mazar, Patrick L. Nosker
  • Patent number: 11505748
    Abstract: Pitch granules including a core made up of a first composition including at least one pitch, the composition having a penetrability at 25° C. of 0 to 45 1/10 mm, a ring-and-ball softening temperature (TBA) of 55° C. to 175° C., understanding the penetrability as measured according to standard EN 1426 and the TBA as measured according to standard EN 1427, and a layer encapsulating at least one portion of the surface of the core, the layer being made up of a coating composition including at least one anti-caking agent.
    Type: Grant
    Filed: September 5, 2017
    Date of Patent: November 22, 2022
    Assignee: TOTAL MARKETING SERVICES
    Inventor: Jean-Pierre Mesnil
  • Patent number: 11466159
    Abstract: Compositions having solid core particles with functionalizing layers over at least a portion of the outer surfaces of the solid core particles are described. The functionalizing layers are formed from a reaction product of a 1,1-di-activated vinyl compound, or a multifunctional form thereof, or a combination thereof.
    Type: Grant
    Filed: July 26, 2017
    Date of Patent: October 11, 2022
    Assignee: PPG Industries Ohio, Inc.
    Inventors: Michael A. Zalich, Aditya Gottumukkala, Kurt G. Olson
  • Patent number: 11465942
    Abstract: The disclosure relates to sintered ceramic grains comprising 3-55 wt. % alumina, 40-95 wt. % zirconia and 1-30 wt. % of one or more other inorganic components. The invention further relates to a method for preparing ceramic grains according to the invention, comprising: making a slurry comprising alumina, zirconia; making droplets of the slurry; introducing the droplets in a liquid gelling-reaction medium wherein the droplets are gellified; drying the gellified deformed droplets.
    Type: Grant
    Filed: July 16, 2015
    Date of Patent: October 11, 2022
    Assignee: Magotteaux International S.A.
    Inventors: Stephane Desiles, Hubert François
  • Patent number: 11458676
    Abstract: A resin powder contains a resin contains columnar particles, wherein the proportion of the columnar particles having a ratio (L/W) of less than 1 is 50 percent by volume or more in the total volume of the resin powder, where W represents the width in the radial direction of the columnar particles and L represents the length in the axis direction of the columnar particles.
    Type: Grant
    Filed: September 6, 2019
    Date of Patent: October 4, 2022
    Assignee: RICOH COMPANY, LTD.
    Inventors: Kiichi Kamoda, Akira Saito, Yasutomo Aman, Hitoshi Iwatsuki
  • Patent number: 11456406
    Abstract: Provided is a silicon bulk thermoelectric conversion material in which thermoelectric performance is improved by reducing the thermal conductivity as compared with the prior art. In the silicon bulk thermoelectric conversion material, the ZT is greater than 0.2 at room temperature with the elemental silicon. In the silicon bulk thermoelectric conversion material, a plurality of silicon grains have an average of 1 nm or more and 300 nm or less, a first hole have an average of 1 nm or more and 30 nm or less present in the plurality of silicon grains and surfaces of the silicon grains, and a second hole have an average of 100 nm or more and 300 nm or less present between the plurality of silicon grains, wherein the aspect ratio of a crystalline silicon grain is less than 10.
    Type: Grant
    Filed: December 26, 2018
    Date of Patent: September 27, 2022
    Assignee: JAPAN SCIENCE AND TECHNOLOGY AGENCY
    Inventors: Junichiro Shiomi, Makoto Kashiwagi, Takashi Kodama
  • Patent number: 11456098
    Abstract: An insulator-coated soft magnetic powder includes core particles each of which includes a base portion containing a soft magnetic material and an oxide film provided on the surface of the base portion and containing an oxide of an element contained in the soft magnetic material, ceramic particles which are provided on the surface of each of the core particles and have an insulating property, and a glass material which is provided on the surface of each of the core particles, has an insulating property, and contains at least one type of phosphorus oxide, bismuth oxide, zinc oxide, boron oxide, tellurium oxide, and silicon oxide as a main component, wherein the ceramic particles are included in a proportion of 100 vol % or more and 500 vol % or less of the glass material.
    Type: Grant
    Filed: February 27, 2019
    Date of Patent: September 27, 2022
    Inventor: Atsushi Nakamura
  • Patent number: 11447620
    Abstract: A high-density polyethylene composition that is formulated for being injection molded into an injection-molded bottle cap closure comprising a skirt that axially extends from the periphery of a base, and internal screw threads for securing the cap to a container, and method of producing the same.
    Type: Grant
    Filed: October 15, 2020
    Date of Patent: September 20, 2022
    Assignee: Dow Global Technologies LLC
    Inventors: William J. Michie, Jr., Stephanie M. Whited, Nathan J. Wiker, Dale M. Elley-Bristow
  • Patent number: 11441026
    Abstract: Provided is polymer particle comprising (a) 40% to 85% by weight, based on the dry weight of the polymer particle, a core polymer having Tg of ?35° C. or lower; (b) 15% to 50% by weight, based on the dry weight of the polymer particle, an intermediate polymer having Tg that is 20° C. or lower and that is higher than the Tg of the core polymer by 10° C. or more; (c) 5% to 30% by weight, based on the dry weight of the polymer particle, a shell polymer having Tg of 50° C. or higher; wherein the shell polymer comprises polymerized units of all vinyl aromatic monomers in an amount of 1% or less, by weight based on the weight of the shell polymer.
    Type: Grant
    Filed: March 4, 2019
    Date of Patent: September 13, 2022
    Assignee: Rohm and Haas Company
    Inventors: Hailan Guo, Pu Luo, Morris Wills
  • Patent number: 11434549
    Abstract: A sintered cemented carbide body including tungsten carbide, and a substantially cobalt-free binder including an iron-based alloy sintered with the tungsten carbide. The iron-based alloy is approximately 2-25% of the overall weight percentage of the sintered tungsten carbide and iron-based alloy. The tungsten carbide may be approximately 90 wt % and the iron-based alloy may be approximately 10 wt % of the overall weight percentage of the sintered tungsten carbide and iron-based alloy. The tungsten carbide may comprise a substantially same size before and after undergoing sintering. The iron-based alloy may be sintered with the tungsten carbide using a uniaxial hot pressing process, a spark plasma sintering process, or a pressureless sintering process. The sintered tungsten carbide and iron-based alloy has a hardness value of at least 15 GPa and a fracture toughness value of at least 11 MPa?m.
    Type: Grant
    Filed: November 9, 2017
    Date of Patent: September 6, 2022
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventors: John J. Pittari, III, Steven M. Kilczewski, Jeffrey J. Swab, Kristopher A. Darling, Billy C. Hornbuckle, Heather A. Murdoch, Robert J. Dowding
  • Patent number: 11427507
    Abstract: The present disclosure relates to roofing granules, such as solar-reflective roofing granules having one or more of low crystalline silica content, high stain resistance and algae resistance. The present disclosure provides a mineral roofing granule having at its mineral outer surface a first fired mixture comprising an aluminosilicate clay, the first fired material having no more than 2 wt % crystalline silica. The present disclosure also provides a mineral roofing granule having a mineral body and a mineral outer surface, the mineral roofing granule having at its mineral outer surface a first fired material, the first fired material being a first fired mixture comprising an aluminosilicate clay; one or more of a feldspar, a sodium silicate and a nepheline syenite; and, optionally, a zinc source.
    Type: Grant
    Filed: December 29, 2017
    Date of Patent: August 30, 2022
    Assignee: CertainTeed LLC
    Inventors: Bojana Lante, Tracy Panzarella, Rachel Z. Pytel