Patents Examined by Jiangtian Xu
  • Patent number: 11584831
    Abstract: Provided is a method of producing a slurry that enables simple production of a slurry in which fibrous carbon nanostructures are favorably dispersed. The method of producing a slurry includes: a mixing step of mixing resin particles having an average particle diameter of at least 1 ?m and not more than 700 ?m, fibrous carbon nanostructures, and a dispersion medium to obtain a mixed liquid; and a dispersing step of subjecting the mixed liquid to dispersion treatment using a wet medialess disperser under conditions in which pressure acting on the mixed liquid (gauge pressure) is 5 MPa or less to obtain a slurry. The fibrous carbon nanostructures preferably include carbon nanotubes.
    Type: Grant
    Filed: September 28, 2017
    Date of Patent: February 21, 2023
    Assignee: ZEON CORPORATION
    Inventors: Yoshihisa Takeyama, Makoto Takeshita
  • Patent number: 11578375
    Abstract: A high-strength hot-rolled steel sheet that has excellent punching workability and hole expandability, and a method for manufacturing the same. The hot-rolled steel sheet has a tensile strength of 980 MPa or more. The hot-rolled steel sheet has a chemical composition containing C, Si, Mn, P, S, Al, N, Ti, Cr, and B, and has a microstructure including a bainite phase having an area ratio of 85% or more as a main phase, and a martensite phase or martensite-austenite constituent having an area ratio of 15% or less as a second phase, the balance being a ferrite phase. The second phase has an average grain diameter of 3.0 ?m or less, prior-austenite grains have an average aspect ratio of 1.3 or more and 5.0 or less, and recrystallized prior-austenite grains have an area ratio of 15% or less relative to non-recrystallized prior-austenite grains.
    Type: Grant
    Filed: July 20, 2016
    Date of Patent: February 14, 2023
    Assignee: JFE STEEL CORPORATION
    Inventors: Kazuhiko Yamazaki, Shunsuke Toyoda, Noriaki Moriyasu, Kentaro Irisa
  • Patent number: 11578218
    Abstract: A multicolor dispersion comprising a protective composition and two or more colorant dispersions, wherein the protective composition comprises (1) an aqueous dispersion of polymer particles comprising from 89% to 99.45% by weight, based on the total dry weight of the protective composition, of polymer particles, wherein said aqueous dispersion of polymer particles further comprises from 0.33% to 2% by weight, based on the total dry weight of the polymer, of an anionic stabilizer monomer represented by the following Formula I, wherein R1 is a linkage group between R2 and a vinyl group, R2 is ethylene or propene or butylene, n is from 0 to 50, M is a counter salt of potassium, sodium, ammonium or lithium; wherein said aqueous dispersion of polymer particles further comprises from 0.33% to 5% by weight, based on the total dry weight of the polymer, of a non-reactive anionic surfactant having an ethylene oxide chain length of less than 11; and (2) from 0.
    Type: Grant
    Filed: February 5, 2016
    Date of Patent: February 14, 2023
    Assignees: Dow Global Technologies LLC, Rohm and Haas Company
    Inventors: Hui Liu, Jianming Xu, Yujiang Wang, Yunfei Lan
  • Patent number: 11571771
    Abstract: If a flux contains an amount of thixotropic agent necessary for obtaining the effect of suppressing a heating sagging, the amount of flux residue increases, and, if applied for uses that do not involve washing, a large amount of flux residue derived from the thixotropic agent remains around the soldered portions, thereby affecting chemical and electrical reliability; and that washing performance is poor in uses involving washing of the flux residue. Accordingly, this soldering flux contains nanofibers of one or more kinds from among polysaccharides, modified polysaccharides, and incompletely modified polysaccharides being modified from polysaccharides into modified polysaccharides, by an amount of 50 wt ppm or more and 3000 wt ppm or less with respect to a total amount of flux.
    Type: Grant
    Filed: July 9, 2018
    Date of Patent: February 7, 2023
    Assignee: Senju Metal Industry Co., Ltd.
    Inventors: Kazuya Kitazawa, Takayuki Kobayashi, Yusuke Kawano
  • Patent number: 11548062
    Abstract: A method for reducing target surface features in continuously cast articles is described. The method can remove a target surface feature, such as a compositional variation or casting defect, from the continuously cast article by removing, before cold rolling, material from the continuously cast article surface.
    Type: Grant
    Filed: January 3, 2019
    Date of Patent: January 10, 2023
    Assignee: Golden Aluminum Company
    Inventor: Mark Selepack
  • Patent number: 11547977
    Abstract: The current disclosure provides reinforced aerogel compositions that are durable and easy to handle, have favorable performance in aqueous environments, have favorable insulation properties, and have favorable, reaction to fire, combustion and flame-resistance properties. Also provided are methods of preparing or manufacturing such reinforced aerogel compositions. In certain embodiments, the composition has a silica-based aerogel framework, reinforced with an open-cell macroporous framework, and includes one or more fire-class additives, where the silica-based aerogel framework comprises at least one hydrophobic-bound silicon and the composition or each of its components has desired properties.
    Type: Grant
    Filed: May 29, 2019
    Date of Patent: January 10, 2023
    Assignee: Aspen Aerogels, Inc.
    Inventors: David J. Mihalcik, Kathryn Elizabeth deKrafft, Nicholas Anthony Zafiropoulos, Owen Richard Evans, George L. Gould, Wibke Lölsberg
  • Patent number: 11542387
    Abstract: An object of the present invention is to provide a rubber composition for a tread which is good in the balance between its wet grip performance and its chipping resistance. The rubber composition for a tread comprises 1 to 20 parts by mass of an ethylene-propylene-styrene copolymer and 60 parts by mass or more of a filler comprising a silica based on 100 parts by mass of a rubber component comprising 20 to 50% by mass of a butadiene rubber and 30 to 80% by mass of a styrene butadiene rubber, wherein an elongation at break of the rubber composition is not less than 300% in the atmosphere of 180° C. according to JIS K 6251: 2017.
    Type: Grant
    Filed: May 7, 2020
    Date of Patent: January 3, 2023
    Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.
    Inventor: Takahiro Kawachi
  • Patent number: 11542396
    Abstract: Disclosed is a composition for applying a clear or translucent emissive coating on an aluminum containing surface. The composition includes, in a dispersion, 50 to 300 g/l of at least one of clear or translucent organic polymeric substances of a binder, and 30 to 300 g/l of sheet silicate pigments having a TE value for the thermal emissivity of at least 0.40, having a particle size distribution of which d50 is in the range of 0.3 to 80 ?m and having been comminuted, disintegrated, exfoliated or any combination of these to thin particles. The composition additionally includes the reaction product of at least one aminefunctionalized organosilane and/or oligomer and/or polymer thereof and at least one fatty acid. The molar ratio of the amino group/s of the at least one amine-functionalized organosilane and/or oligomer and/or polymer thereof and of the at least one fatty acid is 1.2:1 to 1:2.
    Type: Grant
    Filed: November 2, 2018
    Date of Patent: January 3, 2023
    Assignee: CHEMETALL U.S., INC.
    Inventors: Hoon Kim, Ronald Ascenzo, Aaron Thompson, Charles J. Gruszka
  • Patent number: 11542582
    Abstract: The present invention relates to a method for producing a component of a ?-TiAl alloy, in which, in a first step, a forging blank made of a ?-TiAl alloy is built up from a powder material by an additive method, and subsequently, in a second step, the forging blank is reshaped into a semi-finished product, wherein the degree of reshaping over the entire forging blank is high enough that, in a third step, the structure is recrystallized during a heat treatment. In addition, the invention relates to a component produced therefrom.
    Type: Grant
    Filed: June 11, 2019
    Date of Patent: January 3, 2023
    Assignee: MTU Aero Engines AG
    Inventor: Martin Schloffer
  • Patent number: 11530335
    Abstract: To provide modified colloidal silica capable of improving the stability of the polishing speed with time when used as abrasive grains in a polishing composition for polishing a polishing object that contains a material to which charged modified colloidal silica easily adheres, such as a SiN wafer, and to provide a method for producing the modified colloidal silica. Modified colloidal silica, being obtained by modifying raw colloidal silica, wherein the raw colloidal silica has a number distribution ratio of 10% or less of microparticles having a particle size of 40% or less relative to a volume average particle size based on Heywood diameter (equivalent circle diameter) as determined by image analysis using a scanning electron microscope.
    Type: Grant
    Filed: June 21, 2019
    Date of Patent: December 20, 2022
    Assignee: FUJIMI INCORPORATED
    Inventors: Keiji Ashitaka, Shogo Tsubota
  • Patent number: 11525171
    Abstract: A vehicle interior material made of a rose-gold-colored copper alloy may include 0.07 to 0.21 wt % of aluminum (Al), 0.06 to 0.19 wt % of magnesium (Mg), 0.17 to 0.52 wt % of zinc (Zn), and a balance of copper (Cu) and unavoidable impurities, wherein the sum of the aluminum (Al), the magnesium (Mg), and the zinc (Zn) is 0.5 to 1.5 at %.
    Type: Grant
    Filed: November 12, 2019
    Date of Patent: December 13, 2022
    Assignees: Hyundai Motor Company, Kia Motors Corporation, Industry-Academia Cooperation Group of Sejong University
    Inventors: Hoo-Dam Lee, Chang-Yeol Yoo, Jong-Kook Lee, Sung-Ho Yoon, Ye-Lim Kim, Yeon-Beom Jeong, Ki-Buem Kim
  • Patent number: 11525049
    Abstract: The present invention relates to the use of N,N?,N?-substituted hexahydro-1,3,5-triazine in the anionic polymerization of conjugated diene monomer and vinylaromatic monomer. Use of this polar additive produces copolymers having both high vinylaromatic and low vinyl contents, while the blockiness of the vinylaromatic unit can be tailored.
    Type: Grant
    Filed: March 28, 2018
    Date of Patent: December 13, 2022
    Assignees: SYNTHOS S.A., SYNTHOS DWORY 7 SPÓLKA Z OGRANICZONA ODPOWIEDZIALNOSCIA SPÓLKA JAWNA
    Inventors: Radoslaw Kozak, Robert Bogacz, Malgorzata Walenia, Pawel Weda
  • Patent number: 11518822
    Abstract: Provided is a method of predicting fouling during a process of preparing polyolefin. According to the present invention, occurrence of fouling may be predicted by calculating R value according to the following Equation 1 in real-time with high reliability during a copolymerization process of preparing polyolefin: R (ratio of unreacted alpha-olefin comonomer to produced polyolefin polymer) =amount of unreacted alpha-olefin comonomer (unit: kg/hr) / amount of produced polyolefin polymer (unit: kg/hr) ??[Equation 1] Therefore, productivity of the polyolefin preparation process may be further increased.
    Type: Grant
    Filed: November 5, 2019
    Date of Patent: December 6, 2022
    Inventors: Seung Won Choi, Eun Jung Joo
  • Patent number: 11519048
    Abstract: A method for manufacturing of steel tube from a long steel strip, including providing a length of steel strip material to the process, forming a tube of the steel strip material, welding the formed tube in longitudinal direction, giving the tube a heat treatment wherein the mentioned steps are performed in one continuous in-line manufacturing line and the heat treatment includes a heating regime such that in successive cross-sections of the tube a microstructure is achieved which holds at least 50 vol % austenite and a cooling trajectory to re-introduce ferrite, and/or bainite in desired volume fractions.
    Type: Grant
    Filed: July 13, 2017
    Date of Patent: December 6, 2022
    Assignee: TATA STEEL NEDERLAND TUBES BV
    Inventors: Steven Celotto, Gerardus Jacobus Paulussen, Arjen Kamp, Robertus Flipsen
  • Patent number: 11512365
    Abstract: Disclosed are a wire rod and a manufacturing method therefor, the wire rod comprising, by weight %: 0.05-0.20% of C, 0.2% or less of Si, 5.0-6.0% of Mn, 0.020% or less of P, 0.020% or less of S, 0.010-0.050% of Al, 0.010-0.020% of N, and a balance of Fe and inevitable impurities and having a microcrystalline structure composed of two phases of austenite and ferrite, wherein the austenite has an area fraction of 15-25%.
    Type: Grant
    Filed: November 23, 2017
    Date of Patent: November 29, 2022
    Assignee: POSCO
    Inventors: Hyong-Jik Lee, Yum-Ho Choi
  • Patent number: 11505846
    Abstract: A blank material is formed from a steel sheet, a first quenching of the blank material is performed, and a second quenching of the blank material is performed after the first quenching. When the first quenching is performed, the blank material is heated to a first temperature of not lower than (Ac3 point—50)° C. nor higher than 1200° C. at an average heating rate of 2° C./sec or more, and the blank material is cooled from the first temperature to a second temperature of 250° C. or lower. When the second quenching is performed, the blank material is heated from the second temperature to a third temperature of not lower than (Ac3 point—50)° C. nor higher than 1200° C. at an average heating rate of 2° C./sec or more, and the blank material is cooled from the third temperature to a fourth temperature of 250° C. or lower. Forming of the blank material is performed in the first quenching or the second quenching or both of the above.
    Type: Grant
    Filed: January 17, 2017
    Date of Patent: November 22, 2022
    Assignee: NIPPON STEEL CORPORATION
    Inventors: Genki Abukawa, Kunio Hayashi, Kazuo Hikida, Kaoru Kawasaki
  • Patent number: 11499070
    Abstract: To provide modified colloidal silica capable of improving the stability of the polishing speed with time when used as abrasive grains in a polishing composition for polishing a polishing object that contains a material to which charged modified colloidal silica easily adheres, such as a SiN wafer, and to provide a method for producing the modified colloidal silica. Modified colloidal silica, being obtained by modifying raw colloidal silica, wherein the raw colloidal silica has a number distribution ratio of 10% or less of microparticles having a particle size of 40% or less relative to a volume average particle size based on Heywood diameter (equivalent circle diameter) as determined by image analysis using a scanning electron microscope.
    Type: Grant
    Filed: January 19, 2016
    Date of Patent: November 15, 2022
    Assignee: FUJIMI INCORPORATED
    Inventors: Keiji Ashitaka, Shogo Tsubota
  • Patent number: 11498983
    Abstract: A polymer having a first monomer operatively connected to Rose Bengal, a second monomer, and a surfactant, wherein the surfactant is selected from the group consisting of ionic surfactants, anionic surfactants, cationic surfactants, nonionic surfactants, zwitterionic surfactants, and mixtures thereof. The Rose Bengal in polymer in an amount effective for rendering the polymer antimicrobial or antiviral upon exposure of said polymer to light; and the polymer produces singlet oxygen from air in the presence of light. A substrate have these features is also included.
    Type: Grant
    Filed: March 24, 2017
    Date of Patent: November 15, 2022
    Inventors: William Clary Floyd, Josef S Schneider, Bernard W Wolff
  • Patent number: 11492427
    Abstract: A method for producing gradient copolymers can include polymerizing a reaction mixture comprising a monomer and a comonomer in the presence of a metallocene catalyst in a loop reactor, wherein in the loop reactor a gradient monomer weight percent in the reaction mixture is about 3 wt % to about 50 wt %, thereby forming a gradient copolymer.
    Type: Grant
    Filed: October 6, 2020
    Date of Patent: November 8, 2022
    Assignee: EXXONMOBILE CHEMICALS PATENTS INC.
    Inventors: Yifeng Hong, Shanshan Zhang, Jay L. Reimers
  • Patent number: 11492450
    Abstract: The present disclosure relates to dual-headed organoaluminum compositions having the formula (I) and processes to prepare the same. In at least one aspect, the compositions having the formula (I) may be used during olefin polymerization.
    Type: Grant
    Filed: December 27, 2018
    Date of Patent: November 8, 2022
    Assignee: Dow Global Technologies LLC
    Inventors: Lixin Sun, Endre Szuromi, Jerzy Klosin, Edmund M. Carnahan, Jasson T. Patton, Longyan Liao