Patents Examined by Alexandre F Ferre
  • Patent number: 11325183
    Abstract: Provided are surface-modified metal compound particles comprising metal compound particles which are surface-modified with one or more types of carboxylic acid selected from a methacrylic acid, an acrylic acid, and a propionic acid, and a 12-hydroxystearic acid, wherein a portion or all of the one or more types of carboxylic acid selected from a methacrylic acid, an acrylic acid, and a propionic acid is a carboxylic acid (protonated) type.
    Type: Grant
    Filed: February 16, 2018
    Date of Patent: May 10, 2022
    Assignee: DAIICHI KIGENSO KAGAKU KOGYO CO., LTD.
    Inventor: Fumiyuki Takasaki
  • Patent number: 11325838
    Abstract: These surface-modified metal compound particles have metal compound particles the surfaces of which are modified by: at least one first carboxylic acid selected from the group consisting of a methacrylic acid, an acrylic acid, and a propionic acid; and at least one second carboxylic acid selected from the group consisting of a C6-C16 fatty acid and a C7-C32 monovalent carboxylic acid having at least one benzene ring, wherein at least a portion of the first carboxylic acid is a carboxylic acid type in which a hydrogen atom of the carboxy group is not dissociated as an ion.
    Type: Grant
    Filed: January 10, 2019
    Date of Patent: May 10, 2022
    Assignee: DAIICHI KIGENSO KAGAKU KOGYO CO., LTD.
    Inventor: Fumiyuki Takasaki
  • Patent number: 11292918
    Abstract: A colorant-containing solid material (1) of the present invention includes a colorant (10) and a matrix (20). The matrix (20) is formed of a silica and a polysilsesquioxane and covers the colorant (10). An absorption intensity derived from a hydrocarbon group that is not directly bonded to a silicon atom, an absorption intensity derived from a bond between a silicon atom and a non-reactive functional group, and an absorption intensity derived from a bond between a silicon atom and a hydroxy group, determined by an infrared spectroscopic analysis based on a KBr pellet method using a Fourier transform infrared spectrophotometer, are denoted as Ia, Ib and Ic, respectively. The colorant-containing solid material (1) satisfies at least one of conditions Ib/Ia?1.1 and Ib/Ic?0.6.
    Type: Grant
    Filed: July 20, 2018
    Date of Patent: April 5, 2022
    Assignee: NIPPON SHEET GLASS COMPANY, LIMITED
    Inventors: Koichiro Nakamura, Kazuhiro Doshita, Haruko Horiguchi
  • Patent number: 11292917
    Abstract: A golden effect pigment comprising an optionally passivated platelet-shaped metallic substrate and an iron oxide layer, wherein the effect pigment has a hue angle h15 of 67°?h15?78° and a chroma C*15 of ?90 is provided. Further, a golden effect pigment comprising an optionally passivated platelet-shaped metallic substrate and an iron oxide layer, wherein the effect pigment has a hue angle h15 of 67°?h15?78° and a chroma C*45 of ?50 is provided. The golden effect pigments are highly chromatic and suitable for coloring a coating composition such as a paint, a printing ink, an ink, a varnish, plastics, a fiber, a film or a cosmetic preparation, preferably an automotive, an architectural or an industrial coating composition.
    Type: Grant
    Filed: September 19, 2018
    Date of Patent: April 5, 2022
    Assignee: BASF Colors & Effects GmbH
    Inventors: Aron Wosylus, Heinrich Woelk, Raimund Schmid, Stefan Wrobel
  • Patent number: 11287385
    Abstract: Composite particles are provided. The composite particles can comprise: a base particle; a metal layer encompassing the base particle and having a surface on which a plurality of gaps are formed; and markers provided on the metal layer and also provided within the plurality of gaps of the metal layer.
    Type: Grant
    Filed: September 20, 2018
    Date of Patent: March 29, 2022
    Assignees: INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY ERICA CAMPUS, SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION
    Inventors: Jong-Ho Kim, Yoon-Sik Lee, Jin-Kyoung Yang
  • Patent number: 11274211
    Abstract: The present invention provides a glitter pigment capable of simultaneously achieving electromagnetic wave transmission properties, a high reflectance in appearance, and a neutral color in appearance. The glitter pigment according to the present invention includes: a glass flake 1; and a titanium oxide layer 2 and a silver layer 3 formed in this order on the glass flake 1, wherein a product of the optical thickness of the glass flake 1 and the optical thickness of the titanium oxide layer 2 is 61000 or more and 66000 or less when the optical thickness is expressed in nm, and the silver layer 3 has a physical thickness of 35 nm or more and 55 nm or less.
    Type: Grant
    Filed: April 27, 2017
    Date of Patent: March 15, 2022
    Assignee: NIPPON SHEET GLASS COMPANY, LIMITED
    Inventor: Koichiro Nakamura
  • Patent number: 11274045
    Abstract: Provided are: spherical crystalline silica particles which ensure higher productivity and lower production costs than conventional ones, contain plenty of quartz having high thermal conductivity, have high fluidity, high dispersibility, high filling property, and low abrasion property, and are also applicable to semiconductor field; and a method for producing the spherical crystalline silica particles. The crystalline silica particles are characterized in that with respect to the total mass of the particles, the content of a crystal phase is at least 90 mass % and the content of a quartz crystal is at least 70 mass %. In addition, at least one kind of alkali metals may be contained in an amount of 0.4-5 mass % in terms of oxides, with respect to the total mass of the particles. Furthermore, at least one kind of alkaline earth metals may be contained in an amount of 1-5 mass % in terms of oxides, with respect to the total mass of the particles.
    Type: Grant
    Filed: March 30, 2018
    Date of Patent: March 15, 2022
    Assignee: NIPPON STEEL CHEMICAL & MATERIAL CO., LTD.
    Inventors: Yutaka Sato, Katsumasa Yagi, Mutsuhito Tanaka, Shozo Tokuda, Masanori Ae
  • Patent number: 11264155
    Abstract: An object of the present invention is to provide a magnetic powder having a narrow particle size distribution of epsilon-type iron oxide particles, and another object is to provide magnetic powder suitable for magnetic recording medium by improving particle size distribution, and provide epsilon-type iron oxide magnetic particles and related technologies in which a number average particle diameter of major diameters (D50) is 10 to 20 nm, a 90% cumulative particle diameter (D90) is 30 nm or less, and a geometric standard deviation (?g) of major diameters is 1.45 or less, which are obtained by TEM observation.
    Type: Grant
    Filed: September 29, 2017
    Date of Patent: March 1, 2022
    Assignee: DOWA ELECTRONICS MATERIALS CO., LTD.
    Inventors: Kazuhiro Yamaga, Tetsuya Kawahito, Toshihiko Ueyama, Kenji Sakane
  • Patent number: 11261274
    Abstract: Polymer particle embolics and methods of making same are described. The particle embolics can be used as embolization agents.
    Type: Grant
    Filed: November 22, 2019
    Date of Patent: March 1, 2022
    Assignee: Terumo Corporation
    Inventors: Steve Plotkin, Gregory M. Cruise, Edward Michael Keeley, Renee Yu, Clayton Harris
  • Patent number: 11248124
    Abstract: Molybdenum-silicon carbide composite powder and a fabrication method thereof are provided. The molybdenum-silicon carbide composite powder includes a micro-scale silicon carbide powder and a plurality of submicron-scale molybdenum particles bonding on the surface of the silicon carbide powder.
    Type: Grant
    Filed: October 22, 2019
    Date of Patent: February 15, 2022
    Assignee: Industrial Technology Research Institute
    Inventors: Yuan-Chang Fann, Chun-Mu Chen
  • Patent number: 11235560
    Abstract: An electromagnetic wave absorption material comprises: fibrous carbon nanostructures; and an insulating material, wherein a content C of the fibrous carbon nanostructures when a content of the insulating material is 100 parts by mass is 5 parts by mass or more and 15 parts by mass or less, or, in the case where the fibrous carbon nanostructures are fibrous carbon nanostructures that exhibit a convex upward shape in a t-plot obtained from an adsorption isotherm, the content C is 0.3 parts by mass or more and 0.8 parts by mass or less, and the electromagnetic wave absorption material absorbs an electromagnetic wave in a frequency domain of more than 20 GHz.
    Type: Grant
    Filed: December 22, 2016
    Date of Patent: February 1, 2022
    Assignee: ZEON CORPORATION
    Inventors: Tsutomu Nagamune, Arinobu Katada
  • Patent number: 11239013
    Abstract: Disclosed herein is a composite magnetic powder that includes an iron-containing magnetic powder, and an insulating layer comprising a silicon oxide formed on a surface of the iron-containing magnetic powder. An O/Si ratio of the silicon oxide constituting the insulating layer is 2.1 or more and 2.2 or less.
    Type: Grant
    Filed: July 10, 2020
    Date of Patent: February 1, 2022
    Assignee: TDK CORPORATION
    Inventors: Masataka Kitagami, Kenichi Kawabata
  • Patent number: 11232891
    Abstract: The present application relates to a composition for 3D printing, a 3D printing method using the same, and a three-dimensional shape comprising the same, and provides an ink composition capable of realizing precise formation of a three-dimensional shape and uniform curing physical properties of the three-dimensional shape.
    Type: Grant
    Filed: November 21, 2017
    Date of Patent: January 25, 2022
    Assignee: LG CHEM, LTD.
    Inventors: Sai Bom Park, Jin Kyu Lee, Sang Bum Ahn
  • Patent number: 11225412
    Abstract: A titanium carbonitride powder for use as a starting material for a hard material satisfies a D50 of from 2.0 ?m to 6.0 ?m and a D10/D90 of from 0.20 to 0.50, wherein D50 is a particle size at a cumulative percentage of 50% of a particle size distribution by volume, D10 is a particle size at a cumulative percentage of 10% of the particle size distribution by volume, and D90 is a particle size at a cumulative percentage of 90% of the particle size distribution by volume.
    Type: Grant
    Filed: July 31, 2017
    Date of Patent: January 18, 2022
    Assignee: SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Kosuke Fukae, Masato Michiuchi, Keiichi Tsuda
  • Patent number: 11220585
    Abstract: Hollow particles each having a shell composed of at least one layer, wherein the at least one layer contains a nitrogen atom-containing resin having a refractive index of 1.57 or less.
    Type: Grant
    Filed: July 7, 2016
    Date of Patent: January 11, 2022
    Assignee: SEKISUI PLASTICS CO., LTD.
    Inventors: Yugo Katayama, Haruhiko Matsuura
  • Patent number: 11220436
    Abstract: A basic zinc chloride particulate matter and a preparation method therefor. The basic zinc chloride particulate matter mainly consists of basic zinc chloride particles. In the basic zinc chloride particulate matter, D10>100 ?m, and D95>450 ?m. The basic zinc chloride particles do not contain adhesives. The basic zinc chloride particles contained in the basic zinc chloride particulate matter are approximately spherical, and the basic zinc chloride particles with the particle diameter>500 ?m in the basic zinc chloride particulate matter accounts for 1% or less of the total mass of the basic zinc chloride particulate matter.
    Type: Grant
    Filed: December 4, 2017
    Date of Patent: January 11, 2022
    Assignee: GUANGZHOU COSMO ENVIRONMENTAL TECHNOLOGY CO., LTD.
    Inventors: Zhiyuan Huang, Yangdong Wu, Chengwei Ye, Hao Wang, Zhengjiong Zha, Yongcheng Wang
  • Patent number: 11213890
    Abstract: The present disclosure is directed to methods of preparing substantially spherical metallic alloyed particles, having micron and sub-micron (i.e., nanometer)-scaled dimensions, and the powders so prepared, as well as articles derived from these powders. In particular embodiments, these metallic alloyed particles, comprising rare earth metals, can be prepared in sizes as small 80 nm in diameter with size variances as low as 2-5%.
    Type: Grant
    Filed: August 16, 2017
    Date of Patent: January 4, 2022
    Assignee: Urban Mining Technology Company, Inc.
    Inventors: Miha Zakotnik, Davide Prosperi, Gojmir Furlan, Catalina O. Tudor, Alex Ivor Bevan
  • Patent number: 11202738
    Abstract: A method of producing efficiently and stably core-shell type oxide particles, wherein the entire surface of the core oxide particles is uniformly coated with the shell oxide, includes at least two steps of: Step 1 of precipitating the core oxide particles in a mixed fluid prepared by mixing an oxide raw material liquid for core and an oxide precipitation solvent and Step 2 of coating the entire surface of the core oxide particles uniformly with the shell oxide by mixing the mixed fluid and an oxide raw material liquid for shell.
    Type: Grant
    Filed: June 3, 2016
    Date of Patent: December 21, 2021
    Assignee: M. TECHNIQUE CO., LTD.
    Inventors: Masakazu Enomura, Daisuke Honda
  • Patent number: 11202398
    Abstract: An electromagnetic shielding material that includes a plurality of layers, each layer having a crystal lattice represented by: Mn+1Xn (wherein M is at least one metal of Group 3, 4, 5, 6, or 7; X is a carbon atom, a nitrogen atom, or a combination thereof; and n is 1, 2, or 3), each X is positioned within an octahedral array of M, and at least one of two opposing surfaces of said each layer has at least one modifier or terminal T selected from a hydroxy group, a fluorine atom, an oxygen atom, and a hydrogen atom; and dielectric and/or magnetic nanoparticles carried on a layer surface and/or between two adjacent layers of the plurality of layers.
    Type: Grant
    Filed: September 25, 2018
    Date of Patent: December 14, 2021
    Assignees: MURATA MANUFACTURING CO., LTD., DREXEL UNIVERSITY
    Inventors: Yoshito Soda, Takeshi Torita, Yury Gogotsi, Babak Anasori, Christine B. Hatter
  • Patent number: 11192328
    Abstract: A thermoplastic membrane composite comprising (i) a planar thermoplastic body having first and second opposed planar surfaces; (ii) a fabric backing fixedly attached to said first planar surface thereby forming an interface between said thermoplastic body and said fabric backing; and (iii) expandable graphite disposed at or near the interface.
    Type: Grant
    Filed: May 11, 2017
    Date of Patent: December 7, 2021
    Assignee: Firestone Building Products Company, LLC
    Inventors: Wensheng Zhou, Donna Tippmann, Michael P. Allen