Patents Examined by Jeffrey Mullis
  • Patent number: 8552113
    Abstract: A rubber material of a wiper blade for windshield wipers is described, which comprises a first rubber component of a first polarity and a second rubber component of a second greater polarity. To equalize the first and second polarities, the first rubber component is at least partially replaced by a chemically functionalized derivative.
    Type: Grant
    Filed: September 29, 2008
    Date of Patent: October 8, 2013
    Assignee: Robert Bosch GmbH
    Inventors: Eric Pieters, Reiner Lay, Hilde Parton
  • Patent number: 8541503
    Abstract: A polymeric nanoparticle composition is provided. The nanoparticle may be of a core/shell configuration with an interphase region connecting the core and the shell. The mean average diameter of the polymer nanoparticles may be less than about 250 nm. The size, composition, and/or configuration of the interphase region may be varied to achieve desired physical and/or chemical properties of the resulting polymeric nanoparticles, and of the compositions into which the nanoparticles are compounded.
    Type: Grant
    Filed: July 27, 2007
    Date of Patent: September 24, 2013
    Assignee: Bridgestone Corporation
    Inventors: Xiaorong Wang, Georg Böhm, Sandra Warren, Xiao-Dong Pan, James E. Hall
  • Patent number: 8541502
    Abstract: A polyolefin compound including: A) at least one thermoplastic olefin copolymer including the reaction product of olefin 1 and olefin 2, wherein: olefin 1 is a C2 based olefin and olefin 2 is a C3 to C8 ?-olefin or olefin 1 is a C3 based olefin and olefin 2 is a C4 to C8 ?-olefin; B) at least one functional polymer, the functional polymer content in the polyolefin compound being between 1 and 75 weight percent of the combined components A and B; wherein the thermoplastic olefin copolymer and the functional polymer form a co-continuous phase; wherein: a) an 12 melt index of the polyolefin compound is from about 1 to about 15 as measured using ASTM D 1238; b) a Shore A hardness of the polyolefin compound is from about 55 to about 100 as measured using ASTM D2240; c) a flexural modulus of the polyolefin compound is from about 0.8 to about 30 kpsi as measured using ASTM D790.
    Type: Grant
    Filed: May 29, 2009
    Date of Patent: September 24, 2013
    Assignee: Dow Global Technologies LLC
    Inventors: Felipe Martinez, Pankaj Gupta, Ashish Batra
  • Patent number: 8541013
    Abstract: The invention is directed to a copolymer comprising at least three types of monomeric units, said three types of monomeric units comprising: a temperature-sensitive unit, a hydrophilic unit, and a hydrophobic unit comprising at least one pH-sensitive moiety; wherein said hydrophobic monomeric unit is derived from a copolymerizable unsaturated fatty acid.
    Type: Grant
    Filed: November 19, 2007
    Date of Patent: September 24, 2013
    Assignee: Agency for Science, Technology and Research
    Inventors: Yi Yan Yang, Kumaresh Soppimath
  • Patent number: 8512757
    Abstract: The invention provides a block copolymer comprising at least a first block and a second block. The first block comprises a plurality of temperature-sensitive monomeric units, a plurality of hydrophilic monomeric units and a plurality of targeting monomeric units, and the second block comprises a plurality of hydrophobic monomeric units. The second block comprises at least one pH-sensitive moiety.
    Type: Grant
    Filed: July 5, 2006
    Date of Patent: August 20, 2013
    Assignee: Agency for Science, Techology and Research
    Inventors: Yi-Yan Yang, Shao-Qiong Liu
  • Patent number: 8513347
    Abstract: This invention relates a composition comprising: (i) at least one low molecular weight polyolefin; (ii) a block copolymer obtainable by selectively hydrogenating a block copolymer having terminal polymeric blocks of a vinyl aromatic monomer and a mid-block prepared originally with an olefin and subsequently hydrogenated; and (iii) polypropylene; (iv) with the proviso that when (i) is a PAO having a molecular weight of between about 400 and 1000 g/mole, either: (a) (iii) is a homopolymer characterized by an MFR greater than 2 g/10 min, (b) (iii) is a copolymer; or (c) (iii) is a polymer or copolymer made by a metallocene catalyst; or (d) the composition does not contain calcium carbonate.
    Type: Grant
    Filed: July 7, 2006
    Date of Patent: August 20, 2013
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Mun Fu Tse, Thottinal Abraham Mathew, Feng Li
  • Patent number: 8501308
    Abstract: Thermoplastic polymer compositions, films, continues, closures, laminates can comprise a modified vinyl polymer said modified polymer having a moiety comprising a cyclodextrin compound. The cyclodextrin compound, locked into the polymer structure, can absorb impurities, permeants, or other undesirable volatile materials. The cooperation between the cyclodextrin grafted onto the thermoplastic polymer and the polymer structure can provide barrier properties to a film, web or other polymer structure. A permeant or a contaminant can be complexed or trapped within the polymer and held within the film or Web preventing the permeant or contaminant from passing into the interior of a container or enclosure.
    Type: Grant
    Filed: April 13, 2006
    Date of Patent: August 6, 2013
    Assignee: Cellresin Technologies, LLC
    Inventors: Willard E. Wood, Neil J. Beaverson, Kasyap V. Seethamraju
  • Patent number: 8501868
    Abstract: The present invention relates to thermoplastic molding compositions having a mixture of (a) from 10 to 50% by weight of a methyl methacrylate polymer as component (A), from 20 to 60% by weight of a copolymer as component (B), and from 20 to 70% by weight of a graft copolymer as component (C). Component (C) is obtainable from components (c1) a core, (c2) a first graft shell, and (c3) a second graft shell. The second graft shell (c3) is obtainable via polymerization of a C1-C8-alkyl ester of methacrylic acid as component (c31) and a further vinylaromatic monomer as component (c32). Graft copolymer (C) is produced via emulsion polymerization and is isolated from the reaction mixture by precipitation resulting from shear. Also disclosed are processes for producing the molding compositions, the use of the molding compositions, and moldings obtainable from the molding compositions.
    Type: Grant
    Filed: March 25, 2011
    Date of Patent: August 6, 2013
    Assignee: Styrolution GmbH
    Inventors: Matthias Müller, Ludger Leber, Achim Datko, Leonie Felicitas Braun, Christian Lemaire, Piyada Charoensirisomboon, Michel Pepers
  • Patent number: 8501869
    Abstract: Provided is a hot-melt adhesive composition which can be easily applied at a relatively low temperature, has a long open time, and also has high holding power. A hot-melt adhesive composition comprising a block copolymer composition which includes a block copolymer A and a block copolymer B, and a tackifying resin, wherein a weight ratio (A/B) of the block copolymer A and the block copolymer B is 25/75 to 90/10, and an aromatic vinyl monomer unit content of the block copolymer A is 41% or greater.
    Type: Grant
    Filed: December 25, 2009
    Date of Patent: August 6, 2013
    Assignee: Zeon Corporation
    Inventors: Ryouji Oda, Sadaharu Hashimoto, Ayako Furuko
  • Patent number: 8497321
    Abstract: A tacky resin composition which has proper initial tackiness, is sufficiently inhibited from rising in tackiness with time, can keep tackiness at a proper range even when it receives a slight heat history or is stored for a long time, has very small dependence on peeling speed, and can provide high transparency to a pressure-sensitive adhesive film or sheet as required, and a pressure-sensitive adhesive film or sheet for the surface protection of an article, which is obtained form the tacky resin composition. The tacky resin composition comprises (A) 5 to 80 parts by weight of an olefin polymer (component A), (B) 5 to 80 parts by weight of an ethylene/unsaturated ester copolymer (component B) and (C) 1 to 60 parts by weight of a styrene-based elastomer and/or an olefin-based elastomer (component C) based on 100 parts by weight of the total of the components A, B and C.
    Type: Grant
    Filed: January 28, 2009
    Date of Patent: July 30, 2013
    Assignee: Du Pont-Mitsui Polychemicals Co., Ltd.
    Inventors: Masataka Aoyama, Yoshitaka Hironaka, Hisao Gonohe
  • Patent number: 8492479
    Abstract: A process for preparing a functionalized or unfunctionalized diene block copolymer comprising at least one polyether block of number-average molecular weight approximately from 150 to 5000 g/mol linked to at least one block constituted of a diene elastomer via at least one silicon atom. The process allows a high degree of grafting of the polyether to the polymer chains. Also disclosed is a reinforced rubber composition, especially intended for the manufacture of tires, comprising such a diene block copolymer which is intended to interact with the reinforcing filler. Such a rubber composition has improved hysteresis properties in the vulcanized state, while retaining satisfactory processing properties in the non-vulcanized state.
    Type: Grant
    Filed: June 19, 2008
    Date of Patent: July 23, 2013
    Assignees: Michelin Recherche et Technique S.A., Compagnie Generale des Etablissements Michelin
    Inventors: Pierre Robert, Nicolas Seeboth, Jean-Michel Favrot, Philippe Chaboche
  • Patent number: 8492480
    Abstract: A block copolymer composition comprising an aromatic vinyl-conjugated diene-aromatic vinyl block copolymer having a high-level balance between a high elastic modulus and a small elongation set is provided. The block copolymer composition comprises a block copolymer A represented by formula (A) and a block copolymer B represented by formula (B), where the weight ratio of the block copolymer A to the block copolymer B, A/B, is from 36/64 to 85/15 and the ratio of the aromatic vinyl monomer units relative to all polymer components in the block copolymer composition is 27-70 wt %. Ar1a-Da-Ar2a (A). Ar1b-Db-Ar2b (B).
    Type: Grant
    Filed: March 30, 2009
    Date of Patent: July 23, 2013
    Assignee: Zeon Corporation
    Inventors: Takeshi Ooishi, Ryouji Oda
  • Patent number: 8485385
    Abstract: A welding material, comprising a modified polyethylene resin composition (Z) comprising from 0.5 to 95 wt % of a modified polyethylene resin (X) having at least one monomer selected from the group consisting of an unsaturated carboxylic acid and its derivative, grafted to a polyethylene resin (A) having a density of from 0.910 to 0.965 g/cm3 and a MFR (temperature: 190° C., load: 2.16 kg) of from 0.1 to 5.0 g/10 min, and from 5 to 99.5 wt % of an unmodified polyethylene resin (Y) having a density of from 0.930 to 0.965 g/cm3, a MFR of from 0.01 to 5.0 g/10 min and a melt flow rate ratio (HL-MFR (temperature: 190° C., load: 21.6 kg)/MFR of from 40 to 270, and having a density of from 0.938 to 0.965 g/cm3 and a MFR of from 0.05 to 1.0 g/10 min.
    Type: Grant
    Filed: July 16, 2007
    Date of Patent: July 16, 2013
    Assignee: Japan Polyethylene Corporation
    Inventors: Kei Takahashi, Fumio Asada, Haruo Ikeda, Osamu Miyachi
  • Patent number: 8481164
    Abstract: A material and an associated method of formation. A self-assembling block copolymer that includes a first block species and a second block species respectively characterized by a volume fraction of F1 and F2 with respect to the self-assembling block copolymer is provided. At least one crosslinkable polymer that is miscible with the second block species is provided. The self-assembling block copolymer and the at least one crosslinkable polymer are combined to form a mixture. The mixture having a volume fraction, F3, of the crosslinkable polymer, a volume fraction, F1A, of the first block species, and a volume fraction, F2A, of the second block species is formed. A material having a predefined morphology where the sum of F2A and F3 were preselected is formed.
    Type: Grant
    Filed: April 2, 2008
    Date of Patent: July 9, 2013
    Assignee: International Business Machines Corporation
    Inventors: Jennifer Nam Cha, James Lupton Hedrick, Ho-Cheol Kim, Robert Dennis Miller, Willi Volksen
  • Patent number: 8481644
    Abstract: Compositions comprising a coupled interpolymer such as polybutadiene which may be suitable for HIPS and ABS have been discovered. The coupled interpolymer composition comprises an interpolymer comprising one or more monomeric units derived from a diene wherein the coupled interpolymer composition is characterized by: (A) a halide content of less than about 30 ppm based on the total weight of the coupled interpolymer; (B) a molecular weight distribution of from about 1.6 to about 2.4; and (C) a vinyl content of from about 5 to about 15 weight percent based on the total weight of the coupled interpolymer.
    Type: Grant
    Filed: June 2, 2009
    Date of Patent: July 9, 2013
    Assignee: Styron Europe GmbH
    Inventors: Evemarie Hamann, Vera Steinert, Norbert Jantsch
  • Patent number: 8476373
    Abstract: New branched or star-branched styrene polymeric, telomeric, and monomeric product distributions, their preparation, their use as raw materials for bromination to produce flame retardants, the flame retardants themselves, and their use as flame retardants in various polymeric substrates are described.
    Type: Grant
    Filed: November 30, 2009
    Date of Patent: July 2, 2013
    Assignee: Albemarle Corporation
    Inventors: William J. Layman, Jr., Charles H. Kolich, Arthur G. Mack, Jonathan P. McCarney, Govindarajulu Kumar, Jorge Morice, Zhongxin Ge, Bo Liu, Douglas W. Luther, Kimberly M. White, Junzuo Wang, Ravindra R. Joshi, Hoover B. Chew
  • Patent number: 8476367
    Abstract: A pellet is formed by a method includes, in one embodiment, dispersing up to about 95% by weight of thermoset rubber particles into a carrier resin to form the plastic compound. The carrier resin includes an olefin block copolymer. The method also includes the steps of extruding the plastic compound through a die having at least one die hole to form at least one extrudate filament, cutting the at least one extrudate filament to a predetermined length to form a plurality of pellets, conveying the pellets to a separator/centrifugal dryer in water having a temperature of about 170° F. or greater, and separating the pellets from the water in the separator/centrifugal dryer so that the pellets are substantially dry upon removal from the separator/centrifugal dryer. The resultant pelletized plastic compound has a flex modulus of less than about 20,000 pounds per square inch (psi).
    Type: Grant
    Filed: January 31, 2011
    Date of Patent: July 2, 2013
    Assignee: Spartech Corporation
    Inventor: George D. Howell
  • Patent number: 8476403
    Abstract: The present invention provides a cross linked polyolefin thermoset material, comprising maleic anhydride functionalized reactive polyolefin wax cross linked with a polyamine. The thermoset may be made by a method involving reaction of a maleic anhydride functionalized reactive polyolefin wax with a polyamine. The polyolefin may be polyethylene, polypropylene and their copolymers. The polyamine is a primary or secondary alkyl polyamines, alkyl ether polyamines, aryl polyamines. Polyols may be used instead of polyamines, for example alkyl polyols, alkyl ether polyols or aryl polyols.
    Type: Grant
    Filed: March 18, 2009
    Date of Patent: July 2, 2013
    Assignee: McMaster University
    Inventors: David K. Potter, Tayyab Hameed
  • Patent number: 8470929
    Abstract: Provided is a composition for a stretchable film, which achieves a high-level balance between a high elastic modulus and a small permanent set, and can be formed into a stretchable film with satisfactory formability. A composition for a stretchable film comprises a block copolymer composition containing a block copolymer A represented by the following general formula (A) and a block copolymer B represented by the following general formula (B), and a tackifier resin: Ar1a-Da-Ar2a ??(A) (Arb-Db)n-X ??(B), in the general formulas (A) and (B), Ar1a and Arb each represent an aromatic vinyl polymer block having a weight average molecular weight of 6,000 to 20,000; Ar2a represents an aromatic vinyl polymer block having a weight average molecular weight of 40,000 to 400,000; Da and Db each represent a conjugated diene polymer block having a vinyl bond content of 1 mol % to 20 mol %; X represents a single bond or a residue of a coupling agent; and n represents an integer of 2 or greater.
    Type: Grant
    Filed: March 29, 2010
    Date of Patent: June 25, 2013
    Assignee: Zeon Corporation
    Inventors: Takeshi Ooishi, Takurou Sakurai
  • Patent number: 8470928
    Abstract: A one- or two-component adhesive containing: a) a binding agent having reactive isocyanate groups or silane groups, and b) a nonreactive polymer having a glass transition temperature, measured by means of DSC, in the range from ?40° C. to +60° C. This preferably has, in a cured state, at a temperature at least in the range from ?10 to +50° C., a dynamic mechanical loss factor tan ? of at least 0.4 at a frequency in the range from 10 to 400 Hz. Use of an adhesive of this kind for the adhesive bonding of components in the manufacture or repair of vehicles, in particular for bonding windows into place in the context of direct glass bonding.
    Type: Grant
    Filed: November 8, 2011
    Date of Patent: June 25, 2013
    Assignee: Henkel AG & Co. KGaA
    Inventors: Manfred Schumann, Kersten Kreiner