Patents Examined by Peter A. Szekely
  • Patent number: 8426507
    Abstract: Provided is a polypropylene carbonate based resin composition used as a hot melt adhesive. In detail, the present invention is to provide a composition of the hot melt adhesive having high adhesion to a polar surface of the polypropylene carbonate resin based hot melt adhesive and adhesion to a non-polar surface. The composition of hot melt adhesive according to the present invention has excellent compatibility between raw materials so as to have a completely uniform phase, thereby increasing cohesive energy as the adhesive and having the excellent adhesion to the polar or non-polar surface.
    Type: Grant
    Filed: November 30, 2011
    Date of Patent: April 23, 2013
    Assignee: SK Innovation Co., Ltd.
    Inventors: SeungGweon Hong, JaeYoung Park, HyeLim Kim, KwangJin Chung, MyungAhn Ok
  • Patent number: 8420728
    Abstract: Long-fiber-reinforced thermoplastic resin particles and a blend thereof are provided, wherein the opening property of the reinforcing fibers during molding is good, and a molded body exhibiting an excellent appearance and having high mechanical strength is obtained. The particles (A) contain a thermoplastic resin (A1), produced by using a metallocene catalyst, a modified polyolefin resin (A2) modified with an unsaturated carboxylic acid or a derivative thereof, and reinforcing fibers (A3) and satisfying additional requirements described herein.
    Type: Grant
    Filed: September 6, 2012
    Date of Patent: April 16, 2013
    Assignees: Mitsui Chemicals, Inc., Prime Polymer Co., Ltd.
    Inventors: Hirofumi Goda, Toru Iwashita, Keita Itakura
  • Patent number: 8420720
    Abstract: The present invention provides a rubber composition for a clinch, a chafer or a sidewall, which improves fuel economy, elongation at break, and abrasion resistance in good balance while maintaining good handling stability (hardness) and processability (extrusion processability) even if the amount of zinc oxide is decreased; and a pneumatic tire having a clinch, a chafer and/or a sidewall produced therefrom. The invention relates to a rubber composition for a clinch, a chafer or a sidewall, comprising: a rubber component; a compound represented by formula (I): wherein R1 to R4 each independently represent a C1-18 linear or branched alkyl group or a C5-12 cycloalkyl group; and zinc oxide, wherein the amount of the compound represented by formula (I) is 0.2 to 6 parts by mass and the amount of the zinc oxide is 1.0 part by mass or less, for each 100 parts by mass of the rubber component.
    Type: Grant
    Filed: August 24, 2011
    Date of Patent: April 16, 2013
    Assignee: Sumitomo Rubber Industries, Ltd.
    Inventor: Tatsuya Miyazaki
  • Patent number: 8415414
    Abstract: The invention relates to a flame retardant composition, which comprises a) At least one ester of a phosphorus containing oxo acid selected from the group consisting of phosphonous and phosphorous acid; b) At least one flame retardant component based on a nitrogen compound; particularly melamine cyanurate, and c) A polyurethane polymer base.
    Type: Grant
    Filed: September 6, 2006
    Date of Patent: April 9, 2013
    Assignee: BASF SE
    Inventors: Dietmar Mäder, Pierre Rota-Graziosi
  • Patent number: 8415415
    Abstract: Halogen-free flame retardant compositions exhibiting flame retardance and retention of mechanical properties, especially elongation at break, upon long-term high temperature exposure and comprising a) at least one copolyester thermoplastic elastomer, and b) from at or about 1 to at or about 30 weight percent, based on the total weight of the composition, of at least one flame retardant comprising a phosphinate, diphosphinate and/or polymers of these; c) from at or about 0.25 to at or about 15 weight percent, based on the total weight of the flame retardant composition, of one or more polyhydroxy polymers having a number average molecular weight of at least 2000 and selected from the group consisting of ethylene vinyl alcohol copolymers and poly(vinyl alcohol)s.
    Type: Grant
    Filed: August 17, 2011
    Date of Patent: April 9, 2013
    Assignee: E I du Pont de Nemours and Company
    Inventors: Eleni Karayianni, David J. Wrigley
  • Patent number: 8410209
    Abstract: The invention relates to an anti-abrasion layer, comprising a mixture of irregular particles of hard material and round particles essentially free of cutting edges embedded in a matrix material and the use thereof for the production of anti-abrasion surfaces on wood materials, decorative paper, or wood fiber sheets printed with patterns for the production of parquet floors, floor laminates, furniture surfaces or work boards and for the production of wear-resistant surface layers on support materials made from metal, glass, ceramics, plastic concrete or other materials.
    Type: Grant
    Filed: April 17, 2008
    Date of Patent: April 2, 2013
    Assignee: Center for Abrasives and Refractories Research and Development C.A.R.R.D. GmbH
    Inventors: Maria Christina Didavide, Jean-André Alary, Reiner Kunz
  • Patent number: 8410197
    Abstract: The composition of this invention is an inorganic oxide particulate comprising at least 10% by weight organic material in which the particulate has an auto-ignition temperature which is at least 20° C. higher than the auto-ignition temperature of the particulate and organic material which does not contain antioxidant and/or inhibitor. Accordingly, a method has been developed in which one is able to elevate the auto-ignition temperature of such organic containing particulates. In a preferred embodiment the method comprises including antioxidant or inhibitor in the organic material prior to combining it with the inorganic oxide.
    Type: Grant
    Filed: June 26, 2002
    Date of Patent: April 2, 2013
    Assignee: W. R. Grace & Co. -Conn.
    Inventor: Volker Petry
  • Patent number: 8410203
    Abstract: Disclosed herein is a phosphorus compound represented by Formula 1: wherein each R is the same or different and is independently hydrogen, C1-C6 alkyl or C6-C12 aryl.
    Type: Grant
    Filed: October 12, 2011
    Date of Patent: April 2, 2013
    Assignee: Cheil Industries Inc.
    Inventors: Min Soo Lee, Im Hyuck Bae, Seon Ae Lee, Sang Hyun Hong, Chang Hong Ko, Boem Jun Joo, Jin Hwan Kim, Ik Hyun Yu, Thi Hai Vo, Thanh Kieu Giang, Thi Thuy Hang Nguyen
  • Patent number: 8404764
    Abstract: A resin composition comprises (A) 100 parts by weight of cyanate ester resin; (B) 5 to 25 parts by weight of nitrogen and oxygen containing heterocyclic compound; (C) 5 to 75 parts by weight of polyphenylene oxide resin; and (D) 5 to 100 parts by weight of oligomer of phenylmethane maleimide. By using specific components at specific proportions, the resin composition of the invention offers the features of low dielectric constant and low dissipation factor and can be made into prepreg that may be used in printed circuit board.
    Type: Grant
    Filed: September 22, 2011
    Date of Patent: March 26, 2013
    Assignee: Elite Material Co., Ltd.
    Inventors: Li-Chih Yu, Tse-An Lee, Jen-Chun Wang, Yu-Te Lin, Yih-Rern Peng
  • Patent number: 8404168
    Abstract: A process for producing a thermoplastic resin molded product, comprising: a placement step of placing a thermoplastic resin particle composition 6A into a cavity 22 of a rubber die 2 made of a rubber material; a particle heating step of irradiating the thermoplastic resin particle composition 6A in the cavity 22 with electromagnetic waves having wavelengths ranging from 0.78 to 2 ?m through the rubber die 2, thereby heating to melt the thermoplastic resin particle composition 6A; a filling step of filling a thermoplastic resin 6 in a molten state into a space 220 left in the cavity 22; and a cooling step of cooling a thermoplastic resin 6 in the cavity 22 thereby obtaining a thermoplastic resin molded product.
    Type: Grant
    Filed: March 8, 2012
    Date of Patent: March 26, 2013
    Assignee: Techno Polymer Co., Ltd.
    Inventors: Fumio Kurihara, Masamitsu Takami, Kazumasa Oota, Tetsuya Kubota
  • Patent number: 8399546
    Abstract: A flame retardant thermoplastic composition having excellent physical properties that includes 20 to 90 wt. % of a polycarbonate resin; from 1 to 35 wt. % of an impact modifier; from 0.5 to 30 wt. % of a polysiloxane-polycarbonate copolymer including from 8 to 30 wt. % polydimethylsiloxane units or the equivalent molar amount of other diorganosiloxane units; from 0.5 to 20 wt. % of a phosphorus-containing flame retardant, and from 3 to 30 wt. % of metal fiber, each based on the total combined weight of the thermoplastic composition, exclusive of any filler. In one embodiment, a molded sample of the thermoplastic composition having a thickness of 3.0 mm (±10%) has an EMI shielding of at least 20 dB. In addition, a molded sample of the thermoplastic composition is capable of achieving UL94 V0 or V1 rating at a thickness of 1.5 mm (±10%). The compositions are useful in forming flame retardant articles having EMI shielding characteristics.
    Type: Grant
    Filed: January 4, 2007
    Date of Patent: March 19, 2013
    Assignee: Sabic Innovative Plastics IP B.V.
    Inventors: Gang Li, Thomas Ebeling, Monica M. Marugan, Zhaohui Qu, Srinivas Siripurapu, David Xiangping Zou
  • Patent number: 8399768
    Abstract: The invention relates to an insulated wire for use in electronic equipment, comprising an electrically conductive core and an insulating layer and/or an insulating jacket consisting of a flame retardant elastomeric composition surrounding the electrically conductive core, wherein the flame retardant elastomeric composition comprises a elastomeric polymer selected from the group consisting of styrenic block copolymers, olefinic thermoplastic elastomers and combinations thereof; and a metal salt of a phosphinic acid of the formula [R1R2P(O)O]?mMm+ (formula I) and/or a diphosphinic acid of the formula [O(O)PR1—R3—PR2(O)O]2?nMxm+ (formula II), and/or a polymer thereof, wherein R1 and R2 are equal or different substituents chosen from the group consisting of hydrogen, linear, branched and cyclic C1-C6 aliphatic groups, and aromatic groups, R3 is chosen from the group consisting of linear, branched and cyclic C1-C10 aliphatic groups and C6-C10 aromatic and aliphatic-aromatic groups, M is a metal chosen from the gro
    Type: Grant
    Filed: August 5, 2011
    Date of Patent: March 19, 2013
    Assignee: DSM IP Assets B.V.
    Inventor: Angelika Schmidt
  • Patent number: 8399547
    Abstract: The present invention relates to a heat-absorbing polymer composition containing a transparent thermoplastic synthetic substance, an inorganic infrared absorber with stabilizer and also to the production and use of the polymer compositions according to the invention and to the products produced therefrom. In particular, the present invention relates to the stabilization of inorganic IR absorbers from the group of the tungsten compounds and also to the use of the polymer composition according to the invention containing these stabilized inorganic IR absorbers for the purpose of producing windowpanes for use in buildings, motor vehicles, rail vehicles or aircraft.
    Type: Grant
    Filed: December 13, 2010
    Date of Patent: March 19, 2013
    Assignee: Bayer MaterialScience AG
    Inventors: Alexander Meyer, Rolf Wehrmann, Anke Boumans, Michael Erkelenz
  • Patent number: 8394875
    Abstract: The present invention aims to provide a rubber composition for a base tread capable of enhancing fuel economy, elongation at break and durability in a balanced manner while maintaining favorable handling stability and processability (extrusion processability) even if the amount of zinc oxide is reduced, and a pneumatic tire having a base tread produced from the rubber composition. The present invention relates to a rubber composition for a base tread including: a rubber component; a compound represented by Formula (I): wherein R1 to R4 each independently represent a C1 to C18 linear or branched alkyl group or a C5 to C12 cycloalkyl group; and zinc oxide, wherein the amount of the compound represented by Formula (I) is 0.2 to 6 parts by mass and the amount of the zinc oxide is 1.0 part by mass or less, relative to 100 parts by mass of the rubber component.
    Type: Grant
    Filed: August 24, 2011
    Date of Patent: March 12, 2013
    Assignee: Sumitomo Rubber Industries, Ltd.
    Inventor: Tatsuya Miyazaki
  • Patent number: 8389626
    Abstract: Polycarbonate nanocomposites comprising a polycarbonate matrix having non-oxidized metal nanoparticles dispersed therein are disclosed. The polycarbonate nanocomposite is produced by a process comprising forming a reaction mixture comprising a dihydroxy compound, an activated carbonate, a metal precursor, and a solvent; and in-situ polymerizing the reaction mixture to form a nanocomposite comprising a polycarbonate matrix and metal nanoparticles dispersed therein. The metal precursor comprises a metal selected from a specified group. The nanocomposites have improved mechanical, optical, electrical and/or magnetic properties. Also disclosed are articles formed from such polycarbonate nanocomposites.
    Type: Grant
    Filed: March 28, 2008
    Date of Patent: March 5, 2013
    Assignee: Sabic Innovative Plastics IP BV
    Inventors: Parnasree Maiti, Sonia Oberoi, Roopali Rai, Vaidyanath Ramakrishnan, Sandeep Tyagi
  • Patent number: 8389606
    Abstract: The present invention relates to an asphalt mixture including aggregates, a polyamide resin and asphalt, wherein the polyamide resin has a softening point of from 60 to 150° C., and is compounded in an amount of from 3 to 90% by mass on the basis of a total amount of the polyamide resin and the asphalt; and a paving method using the asphalt mixture. The asphalt mixture of the present invention provides a pavement which is free from rutting and torsional breakage and exhibits a high oil resistance. The pavement obtained from the asphalt mixture is free from fracture and can be prevented from suffering from occurrence of rutting and torsional breakage even when leakage of oils over a surface of the pavement occurs.
    Type: Grant
    Filed: March 8, 2010
    Date of Patent: March 5, 2013
    Assignee: KAO Corporation
    Inventors: Masato Murayama, Masakazu Kawano, Yukihiro Fukuyama
  • Patent number: 8383709
    Abstract: The present invention relates to flame-resistant moulding compositions of polycarbonates and graft polymers which, in addition to good flow properties, have very good mechanical properties and a particularly good, trouble-free surface. These moulding compositions are suitable in particular for injection moulding uses for mouldings with thin wall thicknesses and high-gloss surfaces. The thermoplastic moulding compositions according to the invention comprise A) 65.0 to 82.0 parts by wt. of at least one aromatic polycarbonate, B) 4.0 to 11.0 parts by wt. of at least one graft polymer, C) 14.0 to 24.0 parts by wt. of at least one phosphorus-containing flameproofing agent, wherein the sum of the parts by weight of components A to C adds up to 100 parts by weight and the total content of the polymer which is formed from the grafting monomers or is added in the free form and is not bonded chemically to the graft base is less than 2.0 wt. %, based on the total moulding composition.
    Type: Grant
    Filed: April 21, 2011
    Date of Patent: February 26, 2013
    Assignee: Bayer Materialscience AG
    Inventors: Thomas Eckel, Burkhard Thuermer, Vera Taschner, Dieter Wittmann
  • Patent number: 8383713
    Abstract: The water-resistance properties of polyester-based polyurethanes are remarkably enhanced, without adversely affecting the transparency properties of these materials to any significant degree, by including in the polymer a substantially dispersed nano-particle proton scavenger. The hydrolytic stability and water-resistance properties of polyester-based polyurethanes are remarkably enhanced and match those of polycarbonate-based polyurethanes, without adversely affecting the transparency of these materials to any significant degree, by including in the polymer a substantially dispersed nano-particle proton scavenger such as calcium carbonate.
    Type: Grant
    Filed: August 20, 2010
    Date of Patent: February 26, 2013
    Assignee: Lubrizol Advanced Materials, Inc.
    Inventors: Alexander V. Lubnin, Elizabeth A. Flores, Gregory R. Brown, Nai Z. Huang
  • Patent number: 8377500
    Abstract: A process for making a dental restoration includes forming an image which represents a natural oral cavity characteristic. The image may be formed on a computer by an artist or by capturing a photograph of an oral cavity. The computer-based image may be modified with a computer-aided software program. Thereafter, the image is printed as a decal and attached to the dental restoration base. The decal and the dental restoration base are conditioned by a high intensity light or by being fired together in an oven in order to create a finished dental restoration having the desired oral cavity color and characteristics.
    Type: Grant
    Filed: January 27, 2009
    Date of Patent: February 19, 2013
    Inventor: Uriel Yarovesky
  • Patent number: 8372903
    Abstract: A halogen-free and flame-resistant photosensitive resin composition is provided, which has properties necessary for a solder resist (insulative property, solder heat resistance, alkali developability and the like) and is capable of forming a film that is excellent in folding endurance even after an IR reflow process. A flexible circuit board employing the photosensitive resin composition and a circuit board production method are also provided.
    Type: Grant
    Filed: August 4, 2010
    Date of Patent: February 12, 2013
    Assignee: Nitto Denko Corporation
    Inventors: Masaki Mizutani, Toshikazu Baba, Yoshihiro Kawamura