Patents Examined by Tri V. Nguyen
  • Patent number: 11270810
    Abstract: There is provided an electrically conductive paste which can prevent the increase of the volume resistivity of an electrically conductive film formed from the electrically conductive paste even if the electrically conductive film is heated to a soldering temperature of about 380° C. when the electrically conductive paste is a resin type electrically conductive paste using a silver powder and a silver-coated copper powder. In an electrically conductive paste containing a resin, a silver powder and a silver-coated copper powder having a copper powder, the surface of which is coated with a silver layer, the resin is an epoxy resin having a naphthalene skeleton, and there is added a dicarboxylic acid, preferably a dicarboxylic acid having a rational formula of HOOC—(CH2)n—COOH (n=1-8), and more preferably a dicarboxylic acid having a rational formula of HOOC—(CH2)n—COOH (n=4-7).
    Type: Grant
    Filed: June 27, 2018
    Date of Patent: March 8, 2022
    Assignee: DOWA ELECTRONICS MATERIALS CO., LTD.
    Inventors: Aiko Hirata, Noriaki Nogami
  • Patent number: 11264461
    Abstract: Disclosed is a graphene electrochemical transfer method assisted by multiple supporting films, comprising: (1) growing graphene on a substrate, and then spin-coating a thin layer of photoresist on a surface of the graphene as a first film; (2) spin-coating n layers of thick, tough, and selectively dissolvable polymer films on the surface of the first film as an top film; (3) dissociating the multi-layer composite film and the graphene from the surface of the substrate by an electrochemical process, and dissolving the thick polymer films which is the top film with a first solvent; (4) after cleaning, transferring the thin first film and the graphene to a target substrate, and finally dissolving the thin first film away with a second solvent to complete the transfer process. This transfer process is fast, stable, and capable of transferring a large-size graphene, which may promote the large-scale application of graphene.
    Type: Grant
    Filed: February 28, 2019
    Date of Patent: March 1, 2022
    Inventors: Weier Lu, Yang Xia, Lili Zhao, Nan Li
  • Patent number: 11261524
    Abstract: Chemical vapor deposition processes and coated articles are disclosed. The process includes a first introducing of a first amount of silane to the enclosed chamber, the first amount of the silane remaining within the enclosed chamber for a first period of time, a first decomposing of the first amount of the silane during at least a portion of the first period of time, a second introducing of a second amount of the silane to the enclosed chamber, the second amount of the silane remaining within the enclosed chamber for a second period of time, and a second decomposing of the second amount of the silane during at least a portion of the second period of time. The process is devoid of inert gas purging between the first decomposing and the second introducing and/or produces a chemical vapor deposition coating devoid of hydrogen bubbles.
    Type: Grant
    Filed: April 9, 2019
    Date of Patent: March 1, 2022
    Assignee: SilcoTek Corp.
    Inventors: Thomas F. Vezza, James B. Mattzela, Gary A. Barone, Jesse Bischof, David A. Smith
  • Patent number: 11254766
    Abstract: A crosslinked, nonionic, amphiphilic polymer is prepared by polymerizing a monomer mixture comprising an amphiphilic additive. The obtained polymer is useful for forming a clearer yield stress fluid in combination with a surfactant. The yield stress fluid is capable of suspending insoluble materials in the presence of electrolytes, perfumes, fragrances and/or organic acid preservatives.
    Type: Grant
    Filed: December 15, 2017
    Date of Patent: February 22, 2022
    Assignee: Lubrizol Advanced Materials, Inc.
    Inventors: Dongcui Li, Shui-Jen Raymond Hsu, Krishnan Chari
  • Patent number: 11236290
    Abstract: Surfactant-containing compositions are described which include a protein component that has the effect of improving the surface-active properties of the surfactants contained in the compositions. The surfactant-containing compositions having the protein component demonstrate significantly lower critical micelle concentrations (CMC), reduced surface tensions, and reduced interfacial tensions than do comparable compositions having no protein component. In addition, the surfactant-containing compositions having the protein component has the effect of converting greasy waste contaminants to surface active materials.
    Type: Grant
    Filed: September 2, 2020
    Date of Patent: February 1, 2022
    Assignee: Advanced BioCatalytics Corporation
    Inventors: John W. Baldridge, Carl W. Podella
  • Patent number: 11213974
    Abstract: A method of forming a polyolefin-carbon nanomaterial composite which contains oriented electrically conductive pathways. The method involves milling a polyolefin with particles of a carbon nanomaterial, molding to form a composite plate, and subjecting the composite plate to an AC voltage. The AC voltage forms oriented electrically conductive pathways by partial dielectric breakdown of the composite. The presence of the oriented electrically conductive pathways gives the polyolefin-carbon nanomaterial electrical and thermal conductivity higher than the polyolefin alone.
    Type: Grant
    Filed: June 29, 2021
    Date of Patent: January 4, 2022
    Assignee: Prince Mohammad Bin Fahd University
    Inventor: Bouchaib Zazoum
  • Patent number: 11217368
    Abstract: Provided are a nanostructure network and a method of fabricating the same. The nanostructure network includes nanostructures having a poly-crystalline structure formed by self-assembly of the nanostructures. The method includes preparing a nanostructure solution in which nanostructures are dispersed in a first solvent, forming a nanostructure ink by adding the nanostructure solution into a second solvent having a viscosity higher than that of the first solvent, coating a surface of a substrate with the nanostructure ink, and forming a nanostructure network by evaporating the first solvent and the second solvent included in the nanostructure ink coated on the substrate.
    Type: Grant
    Filed: December 28, 2018
    Date of Patent: January 4, 2022
    Assignee: INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY ERICA CAMPUS
    Inventors: Yong-Ho Choa, Young Tae Kwon, Seung Han Ryu
  • Patent number: 11214693
    Abstract: An electrically conductive and corrosion resistant graphene-based coating composition, including a binder, a graphene-filler; and a dispersing agent, wherein the graphene filler comprises a plurality of graphene stacks.
    Type: Grant
    Filed: August 9, 2019
    Date of Patent: January 4, 2022
    Assignee: THE BOEING COMPANY
    Inventors: Vijaykumar S. Ijeri, Stephen P. Gaydos, Patrick J. Kinlen, Priyanka G. Dhirde, Anand Khanna
  • Patent number: 11203810
    Abstract: A method for fabricating an electrical conductor on a substrate by cold spraying includes propelling a solid powder composition that includes copper and highly oriented pyrolytic graphite using a gas propellant, and directing the solid powder composition towards the substrate at a velocity sufficient to cause the solid powder composition to undergo plastic deformation and to adhere to the substrate to deposit the electrical conductor thereon.
    Type: Grant
    Filed: May 13, 2019
    Date of Patent: December 21, 2021
    Assignee: The Boeing Company
    Inventors: Daniel J. Braley, Peter A. Wilson
  • Patent number: 11198612
    Abstract: A method for manufacturing graphene having a wrinkle pattern is provided. The method includes forming a wrinkle providing layer having a first thermal expansion coefficient on one surface of a graphene layer, forming a substrate having a second thermal expansion coefficient on one surface of the wrinkle providing layer, and performing a heat treatment to form wrinkles on the wrinkle providing layer by a difference between the first and second thermal expansion coefficients, thereby forming wrinkle patterns on the graphene layer.
    Type: Grant
    Filed: December 10, 2018
    Date of Patent: December 14, 2021
    Assignee: IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY)
    Inventors: Wanjun Park, Sungwoo Chun
  • Patent number: 11202369
    Abstract: A nano graphene platelet-based conductive ink comprising: (a) nano graphene platelets (preferably un-oxidized or pristine graphene), and (b) a liquid medium in which the nano graphene platelets are dispersed, wherein the nano graphene platelets occupy a proportion of at least 0.001% by volume based on the total ink volume and a process using the same. The ink can also contain a binder or matrix material and/or a surfactant. The ink may further comprise other fillers, such as carbon nanotubes, carbon nano-fibers, metal nano particles, carbon black, conductive organic species, etc. The graphene platelets preferably have an average thickness no greater than 10 nm and more preferably no greater than 1 nm. These inks can be printed to form a range of electrically or thermally conductive components or printed electronic components.
    Type: Grant
    Filed: July 23, 2019
    Date of Patent: December 14, 2021
    Assignee: Global Graphene Group, Inc.
    Inventors: Aruna Zhamu, Bor Z. Jang
  • Patent number: 11183344
    Abstract: A metal-graphene composite product in the form of a sliding contact of an electric power application, in which graphene flakes are dispersed in a matrix of the metal, as well as to a method for obtaining such a composite product.
    Type: Grant
    Filed: April 10, 2018
    Date of Patent: November 23, 2021
    Assignee: Hitachi Energy Switzerland AG
    Inventors: Anna Andersson, Mamoun Taher, Ulf Jansson, Martin Wåhlander, Leili Tahershamsi, Helene Grennberg
  • Patent number: 11183343
    Abstract: A composite material comprising NiMoO4—CoMoO4 nanosheets can be an electrode in a hybrid supercapacitor. A hybrid supercapacitor having a cathode comprising the composite material exhibits a large operating window, high energy density and high cycling stability. The heterostructure material may be formed by a one-step chemical bath deposition process.
    Type: Grant
    Filed: August 15, 2020
    Date of Patent: November 23, 2021
    Assignee: UNITED ARAB EMIRATES UNIVERSITY
    Inventors: Ihab M. Obaidat, Hee-Je Kim, Chandu V. V. Muralee Gopi, Sambasivam Sangaraju
  • Patent number: 11171334
    Abstract: A positive-electrode active material for a non-aqueous electrolyte secondary battery is provided. The positive-electrode active material contains a lithium transition metal composite oxide having a spinel structure and containing nickel and manganese. The lithium transition metal composite oxide has a surface region containing niobium as a solid solution. A mole ratio of an amount of niobium to a total amount of nickel and manganese in the surface region decreases according to a distance from a surface in a depth direction in a region from the surface to a distance of 0.3 nm in the depth direction.
    Type: Grant
    Filed: September 26, 2018
    Date of Patent: November 9, 2021
    Assignee: NICHIA CORPORATION
    Inventors: Tomooki Kawasaki, Kenichi Kobayashi, Sachiko Masuda
  • Patent number: 11167391
    Abstract: Rubber composites with regions doped with conductive material, e.g., carbon nanotubes, and patterned regions doped with both conductive material and semiconductive material, e.g., carbon nanotubes and polycrystalline silicon are created with rubbing-in technology. The composites provide for a deformable and elastic composite which maintains semiconductor operations under stress, and can be used for filtering, determining compressive force, and a variety of other applications.
    Type: Grant
    Filed: March 5, 2021
    Date of Patent: November 9, 2021
    Assignee: King Abdulaziz University
    Inventors: Muhammad Tariq Saeed Chani, Abdullah Mohamed Asiri, Khasan Karimov
  • Patent number: 11136239
    Abstract: Methods for forming a nanotube fabric with a controlled surface roughness (or smoothness) and a selected degree of rafting are disclosed by adjusting the concentration levels of a selected ionic species within a nanotube formulation used to form the nanotube fabric. In one aspect, the present disclosure provides a nanotube formulation roughness curve (and methods for generating such a curve) that can be used to select a utilizable range of ionic species concentration levels that will provide a nanotube fabric with a desired surface roughness (or smoothness) and degree of rafting. In some aspects of the present disclosure, such a nanotube formulation roughness curve can be used adjust nanotube formulation prior to a nanotube formulation deposition process to provide nanotube fabrics that are relatively smooth with a low degree of rafting.
    Type: Grant
    Filed: May 16, 2019
    Date of Patent: October 5, 2021
    Inventors: Joseph James McDermott, Jennifer Black, Rahul Sen, David A. Roberts, Billy Smith
  • Patent number: 11136459
    Abstract: A homogenous composite material with increased tensile strength comprising 2-dimensional nano-sheets exfoliated from a 3-dimensional layered material mixed in a liquid non-Newtonian viscoelastic material to produce the homogenous composite material; and a process for making the same.
    Type: Grant
    Filed: August 3, 2017
    Date of Patent: October 5, 2021
    Assignee: The Provost, Fellows, Foundation Scholars, & the Other Members of Board, of the College of the Holy & Undiv. Trinity of Queen
    Inventors: Conor Boland, Umar Khan, Jonathan Coleman
  • Patent number: 11135561
    Abstract: Described herein is a mineralized core-shell microcapsule slurry including at least one microcapsule having: a) an oil-based core including a hydrophobic active ingredient; b) a polymeric shell having a terminating charged functional surface; and c) a mineral layer on the terminating charged functional surface. Also described herein is a process for a preparation of said microcapsules. Also described herein are perfuming compositions and consumer products including said microcapsules, including perfumed consumer products in the form of home care or personal care products.
    Type: Grant
    Filed: December 21, 2017
    Date of Patent: October 5, 2021
    Assignee: Firmenich SA
    Inventors: Huda Jerri, Nicholas Impellizzeri, Valery Normand
  • Patent number: 11127510
    Abstract: An electroconductive composite comprises a matrix of nanocrystalline cellulose and graphene oxide. The matrix is, in at least a region thereof, unipolar by having, in that region, either p-type charge carrier conductivity or n-type charge carrier conductivity depending on the mass concentration of nanocrystalline cellulose in that portion of the matrix.
    Type: Grant
    Filed: March 12, 2018
    Date of Patent: September 21, 2021
    Inventors: Bice Susan Martincigh, Werner E. Van Zyl, Vincent O. Nyamori, Moses Abednego Ollengo, Vashen Moodley, Edwin Tonderai Mombeshora
  • Patent number: 11121378
    Abstract: A mixed conductor represented by Formula 1: A4+xM5-yM?yO12-?,??Formula 1 wherein, in Formula 1, A is a monovalent cation, M is at least one of a divalent cation, a trivalent cation, or a tetravalent cation, M? is at least one of a monovalent cation, a divalent cation, a trivalent cation, a tetravalent cation, a pentavalent cation, or a hexavalent cation, M and M? are different from each other, and 0.3?x<3, 0.01<y<2, and 0???1 are satisfied.
    Type: Grant
    Filed: October 30, 2019
    Date of Patent: September 14, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hyunpyo Lee, Hyukjae Kwon, Sangbok Ma, Donghwa Seo, Dongmin Im