Patents Examined by Matthew Matzek
  • Patent number: 9963627
    Abstract: Nanostructured phase change materials (PCMs) which are heterogeneous materials having at least two phases, at least one of the phases having at least one of its dimensions in the nanoscale, and comprising a first agent that undergoes an endothermic phase transition at a desired temperature and a second agent that assists in maintaining a nanostructure, are provided. There are also provided methods for manufacturing such PCMs, and applications thereof for providing thermoregulatory coatings and articles containing such coatings for use in a wide range of applications, such as cooling textiles, wipes, packaging, films, walls and building materials.
    Type: Grant
    Filed: November 12, 2013
    Date of Patent: May 8, 2018
    Inventors: Sumitra Rajagopalan, Giovanni Alexander Fabra Prieto
  • Patent number: 9879925
    Abstract: To effectively dissipate heat discharged from various electronic or mechanical components, a high-performance ultra-thin heat dissipation sheet with high thermal conductivity and thermal emissivity by using a graphene/graphite nanoplate/carbon nanotube/nano-metal complex that forms a high-content 3D-structured complex that is stably dispersed, and a method of manufacturing the same, is provided. The method includes preparing a first heat dissipation film by sintering a composition for dissipating heat including a graphene/graphite nanoplate/carbon nanotube/nano-metal complex dispersion solution and a binder, and forming a second heat dissipation film on one surface or two opposite surfaces of the first heat dissipation film by using a graphene adhesive including the graphene/graphite nanoplate/carbon nanotube/nano-metal complex dispersion solution and an adhesive.
    Type: Grant
    Filed: August 5, 2013
    Date of Patent: January 30, 2018
    Assignee: WORLDTUBE CO. LTD.
    Inventor: Young-Su Park
  • Patent number: 9845601
    Abstract: A concrete reinforcing member for admixture into a concrete composite. The concrete reinforcing member has a body extending in a longitudinal direction along an axis, the body having a lateral width. At least two anchor segments are axially spaced on the body, each anchor segment having at least one lateral extension projecting in a lateral direction along an associated plane that extends radially relative to the axis of the body. The associated plane of the lateral extension of one of the anchor segments is offset radially about the axis at an angle of greater than 0° and less than 90° relative to the associated plane of the lateral extension of the other anchor segment.
    Type: Grant
    Filed: January 30, 2014
    Date of Patent: December 19, 2017
    Assignee: Optimet Concrete Products Inc.
    Inventor: Nemkumar Banthia
  • Patent number: 9809004
    Abstract: A laminated structure containing a microporous film bonded in a face to face relationship with a plexifilamentary nonwoven web with an adhesive layer situated in contact with a least a portion of both the microporous film and the nonwoven web. The adhesive may contain reactive tracers.
    Type: Grant
    Filed: July 13, 2015
    Date of Patent: November 7, 2017
    Assignee: E I DU PONT DE NEMOURS AND COMPANY
    Inventors: Stephane Nowak, Serge Rebouillat
  • Patent number: 9803066
    Abstract: Provided are: chopped carbon fiber bundles which have high fluidity without decreasing the dispersibility of carbon fibers and the physical properties of a molded product; and a method for producing chopped carbon fiber bundles with high productivity. Chopped carbon fiber bundles, each of which contain a carbon fiber bundle having a total fineness of from 25,000 dtex to 45,000 dtex (inclusive) and a sizing agent in an amount of from 1% by mass to 5% by mass (inclusive) relative to the total mass of the chopped carbon fiber bundle. The length (L) of each chopped carbon fiber bundle along the fiber direction of the carbon fiber bundle is from 1 mm to 50 mm (inclusive); the ratio of the longest diameter (Dmax) to the shortest diameter (Dmin) of a cross section perpendicular to the fiber direction of each chopped carbon fiber bundle, namely Dmax/Dmin is from 6.0 to 18.0 (inclusive); and the orientation parameter of the single fibers present in the surface of each chopped carbon fiber bundle is 4.0 or less.
    Type: Grant
    Filed: November 22, 2013
    Date of Patent: October 31, 2017
    Assignee: Mitsubishi Chemical Corporation
    Inventors: Tadashi Ohtani, Takayuki Kiriyama, Yukio Nishimoto
  • Patent number: 9777785
    Abstract: A wet friction material for use in a wet clutch includes a friction interfacing surface for experiencing frictional engagement with an opposed surface in the presence of a lubricant. At least a portion of the friction interfacing surface comprises fibrillated nanofibers, which define a nanofibrous web, and friction adjusting particles held by the nanofibrous web. A cured resin may adhere the fibrillated nanofibers and the friction adjusting particles to provide structural support for the friction material.
    Type: Grant
    Filed: August 8, 2011
    Date of Patent: October 3, 2017
    Assignee: BorgWarner Inc.
    Inventors: Feng Dong, Robert C. Lam, Timothy P. Newcomb
  • Patent number: 9545670
    Abstract: A method for producing nanoparticles on a substrate using a metal precursor in an ionic liquid and microwave heating is described. The composite compositions are useful as catalysts for chemical reactions, fuel cell, supercapacitor and battery components, and the like.
    Type: Grant
    Filed: April 30, 2010
    Date of Patent: January 17, 2017
    Assignee: BOARD OF TRUSTEES OF MICHIGAN STATE UNIVERSITY
    Inventors: Lawrence T. Drzal, In-Hwan Do, Hiroyuki Fukushima
  • Patent number: 9165696
    Abstract: According to one embodiment, the transparent electrode laminate includes a transparent substrate and an electrode layer which is formed on the transparent substrate and includes a three-dimensional network of metal nanowires. The electrode layer includes a first conductive region and a second conductive region adjacent to the first conductive region. Surfaces of the metal nanowires in the first conductive region are reacted to form reaction products. Surfaces of the metal nanowires in the second conductive region are unreacted. The second region has conductivity higher than that of the first conductive region and an optical transparency.
    Type: Grant
    Filed: September 18, 2012
    Date of Patent: October 20, 2015
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Katsuyuki Naito, Eishi Tsutsumi, Norihiro Yoshinaga, Yoshihiro Akasaka
  • Patent number: 9136030
    Abstract: A novel method of forming thin films of carbon nanotubes (CNTs) is described. In this method, carbon nanotubes are dispersed in a superacid solution and laid down on a substrate to form a conductive and transparent CNT network film. The superacid, in its deprotonated state, is an anion that has a permanent dipole moment. The superacid solution may be a pure superacid or have additional solvent. Preferably, the superacid solution does not contain an oxidizing agent. Novel, highly conductive and transparent CNT network films are also described.
    Type: Grant
    Filed: October 27, 2008
    Date of Patent: September 15, 2015
    Assignee: Battelle Memorial Institute
    Inventors: Amy M. Heintz, Steven M. Risser, Bryon P. Moore, Joel D. Elhard, Chad M. Cucksey
  • Patent number: 9127380
    Abstract: A water-repellent woven fabric having excellent water repellency, which is friendly to the environment, and a garment made of the water-repellent woven fabric are provided. A composite yarn containing a false-twist crimped textured yarn having an S-direction torque and a false-twist crimped textured yarn having a Z-direction torque is arranged for a warp or a weft to obtain a fabric, and a fluorine-based water repellent having a total concentration of perfluorooctanoic acid and perfluorooctanesulfonic acid of 0 to 5 ng/g is then adhered to the woven fabric.
    Type: Grant
    Filed: November 21, 2011
    Date of Patent: September 8, 2015
    Assignee: TEIJIN FRONTIER CO., LTD.
    Inventor: Kenji Iwashita
  • Patent number: 9126828
    Abstract: The invention relates to carbon nanotube structures containing both single walled and multi walled carbon nanotubes, and methods for preparing same. These carbon nanotube structures include but are not limited to macroscopic two and three dimensional structures of carbon nanotubes such as assemblages, mats, plugs, networks, rigid porous structures, extrudates, etc. The carbon nanotube structures of the present invention have a variety of uses, including but not limited to, porous media for filtration, adsorption, chromatography; electrodes and current collectors for supercapacitors, batteries and fuel cells; catalyst supports, (including electrocatalysis), etc.
    Type: Grant
    Filed: August 20, 2007
    Date of Patent: September 8, 2015
    Assignee: Hyperion Catalysis International, Inc.
    Inventors: Jun Ma, Alan Fiseher, Robert Hoch
  • Patent number: 9129723
    Abstract: In one embodiment, a bulk carbon nanotube and metallic composite is provided. The bulk carbon nanotube and metallic composite includes a bulk carbon nanotube material layer including a plurality of carbon nanotubes, and a metal film applied across the bulk carbon nanotube material layer. The metal film penetrates into the interstices between individual carbon nanotubes to reduce an electrical resistance between the plurality of carbon nanotubes.
    Type: Grant
    Filed: August 18, 2014
    Date of Patent: September 8, 2015
    Assignee: The Boeing Company
    Inventor: James Antoni Wasynczuk
  • Patent number: 9101682
    Abstract: An antimicrobial composite which comprises a first, liquid-permeable layer which is substantially completely bonded to a second liquid-absorbing layer. The first layer comprises a coating of at least one antimicrobial metal as such on the side which is bonded to the second layer. Substantially no antimicrobial metal in elemental form is present on exterior surfaces of the composite.
    Type: Grant
    Filed: January 23, 2013
    Date of Patent: August 11, 2015
    Assignee: BEIERSDORF AG
    Inventors: Peter Hilfenhaus, Heike Fleischhauer, Harald Buettner
  • Patent number: 9095639
    Abstract: The invention is directed to carbon nanostructure composite systems which may be useful for various applications, including as dry adhesives, electronics and display technologies, or in a wide variety of other areas where organized nanostructures may be formed and integrated into a flexible substrate. The present invention provides systems and methods wherein organized nanotube structures or other nanostructures are embedded within polymers or other flexible materials to provide a flexible skin-like material, with the properties and characteristics of the nanotubes or other nanostructures exploited for use in various applications. In one aspect, the invention is directed to a carbon nanotube/polymer composite material having a plurality of carbon nanotubes formed into a predetermined architecture, with each of the plurality of nanotubes having a desired width and length.
    Type: Grant
    Filed: February 15, 2007
    Date of Patent: August 4, 2015
    Assignee: The University of Akron
    Inventors: Pulickel M. Ajayan, Ali Dhinojwala
  • Patent number: 9079376
    Abstract: Disclosed is a prepreg including a fiber substrate and a layer made of a thermosetting resin composition, wherein the layer made of a thermosetting resin composition contains a modified silicone oil or a compound having a skeleton derived from a modified silicone oil, and the layer made of a thermosetting resin composition has a phase separation structure. A prepreg having excellent low thermal expansion properties and warpage characteristics which are difficult to be realized by using only a conventional resin which is effective for highly filling an inorganic filler or has a low coefficient of thermal expansion, and a laminate using the same, and a printed wiring board can be provided.
    Type: Grant
    Filed: January 18, 2012
    Date of Patent: July 14, 2015
    Assignee: Hitachi Chemical Company, Ltd.
    Inventors: Tomohiko Kotake, Masato Miyatake, Shunsuke Nagai, Hiroyuki Izumi, Shinji Tsuchikawa, Shin Takanezawa, Hikari Murai
  • Patent number: 9080078
    Abstract: Provided are hyper nanocomposite, hyper nanocomposite coatings, devices, and articles including s hyper nanocomposite coatings. An article can include a surface including at least one region and a hyper nanocomposite coating disposed over the one region, wherein the hyper nanocomposite coating can include a plurality of nanoparticles substantially uniformly dispersed in one or more cross-linked hyperbranched polymers selected from the group consisting of polycarbosilane, polycarbosilixane, and polycarbosilazene, polyfluorocarbon.
    Type: Grant
    Filed: October 22, 2009
    Date of Patent: July 14, 2015
    Assignee: XEROX CORPORATION
    Inventors: David J. Gervasi, Santokh Badesha, Alan R. Kuntz
  • Patent number: 9023743
    Abstract: An inorganic fiber structure comprising inorganic nanofibers having an average fiber diameter of 3 ?m or less, in which an entirety including the inside thereof is adhered with an inorganic adhesive, and the porosity thereof is 90% or more, is disclosed.
    Type: Grant
    Filed: January 14, 2010
    Date of Patent: May 5, 2015
    Assignees: Japan Vilene Company, Ltd., Fukuoka Prefectural Government, Kyushu University, National University Corporation
    Inventors: Rie Watanabe, Takashi Tarao, Masaaki Kawabe, Tetsu Yamaguchi, Shinji Sakai, Koei Kawakami
  • Patent number: 9005756
    Abstract: Disclosed are block copolymer nanostructures formed on surface patterns different from nanostructure of the block copolymer and preparation methods thereof.
    Type: Grant
    Filed: April 11, 2008
    Date of Patent: April 14, 2015
    Assignee: Advanced Institute of Science and Technology
    Inventors: Sang Ouk Kim, Dong Ok Shin, Bong Hoon Kim
  • Patent number: 9006118
    Abstract: A filler cloth includes cellulosic fibers treated with a flame retardant chemistry such that the filler cloth has a char length of less than about nine inches when tested in accordance with NFPA 701, such that thermal shrinkage of the filler cloth at 400° F. is less than about 35% in any direction, and such that the filler cloth maintains flame and heat resistant integrity when impinged with a gas flame in accordance with testing protocols set forth in Technical Bulletin 603 of the State of California Department of Consumer Affairs. The filler cloth cellulosic fibers are treated with a flame retardant chemistry such that the filler cloth has a Frazier air permeability of less than about 400 cfm and a thermal resistance rating of at least about 3 when tested according to NFPA 2112.
    Type: Grant
    Filed: January 22, 2013
    Date of Patent: April 14, 2015
    Assignee: Precision Fabrics Group, Inc.
    Inventors: Melanie Pierce Jones, James Douglas Small, Jr., John H. Walton, Alfred Frank Baldwin, Jr., Zareh Mikaelian, William Scott Kinlaw
  • Patent number: 8987150
    Abstract: A fabric for use in chemical and biological (CB) protective garments includes at least one felt layer having from 25% to 100% carbon nanotube (CNT) fibers as a breathable physical barrier against toxic chemical droplets and/or pathogens. The felt layers are cleaned and consolidated into a mechanically competent sheet which can form adhesive seams having lapshear greater than the sheet itself. An additional supporting layer can be included. The supporting layer can be a wicking layer which is permeable with a chlorinated or otherwise chemically active solution to establish a reactive chemical barrier, the solution being dispensed on demand from a portable container. Embodiments include a second layer of CNT or of another backing fabric, sandwiching the wicking layer therebetween. Impermeable fluoropolymer seams can divide the fabric into a plurality of CNT/wicking cells. A layer of activated charcoal and/or halamine-forming hydantoin can be included for persistent reactive chemical protection.
    Type: Grant
    Filed: January 7, 2011
    Date of Patent: March 24, 2015
    Assignee: Warwick Mills Inc.
    Inventor: Charles A. Howland