Patents Examined by Kara Negrelli
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Patent number: 8178620Abstract: The invention relates to surface modifying macromolecules (SMMs) having high degradation temperatures and their use in the manufacture of articles made from base polymers which require high temperature processing. The surface modifier is admixed with the base polymer to impart alcohol and water repellency properties.Type: GrantFiled: July 19, 2011Date of Patent: May 15, 2012Assignee: Interface Biologics Inc.Inventors: Sanjoy Mullick, Richard Witmeyer, Paul Santerre, Weilun Chang
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Patent number: 8173716Abstract: Open-cell foam based on a melamine-formaldehyde condensation product, a polyurethane or a polyimide, which has been modified with hydrophobins, a method of producing such foams, and the use thereof for absorbing organic liquids, as leakage and bleeding protection for liquid stores, for liquid-liquid separation and as matrix for carrying out chemical and/or biological processes.Type: GrantFiled: March 4, 2008Date of Patent: May 8, 2012Assignee: BASF SEInventors: Ulf Baus, Thorsten Montag, Claus Bollschweiler, Thomas Subkowski, Marvin Karos, Armin Alteheld, Hans-Jürgen Quadbeck-Seeger, Bernhard Vath
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Patent number: 8173717Abstract: Closed cell silicone foams are formed by subjecting a silicone base to an inert gas at an elevated pressure, preferably after a pre-curing step, reducing the pressure to allow the base to expand to produce closed cell silicone foam and curing this expanded foam at an elevated temperature.Type: GrantFiled: January 18, 2006Date of Patent: May 8, 2012Assignee: Zotefoams PLC.Inventors: Paul Jacobs, Neil Gemmell, Neil Witten
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Patent number: 8163810Abstract: Disclosed is a method for substantially diminishing or essentially eliminating a visible knitline in an article derived from a resinous composition comprising at least one thermoplastic resin and at least one special visual effect additive, which comprises the steps of (i) including in the composition an effective amount of at least one chemical foaming agent, and (ii) forming the article in a process that produces a knitline, wherein the article exhibits a substantially diminished or essentially no visible knitline compared to a similar article prepared without chemical foaming agent. Also disclosed are resinous compositions related thereto. Articles made from the compositions are also disclosed.Type: GrantFiled: April 19, 2006Date of Patent: April 24, 2012Assignee: Sabic Innovative Plastics IP B.V.Inventors: Douglas Howie, Jr., Satish Kumar Gaggar
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Patent number: 8142695Abstract: The disclosure pertains to foam of polymers, which can be made by a method for making a polymer foam comprising vacuum or gas-filled compartments by making a solution of 1 to 20% by weight of a polymer in a solvent; adding particles to the a polymer solution; solidifying the polymer wherein the particles are contained by heating, cooling, ageing, or coagulating to obtain a polymer foam or matrix comprising the particles, and obtaining from the polymer matrix the polymer foam containing the compartments; and optionally washing, drying, and/or heating the polymer foam.Type: GrantFiled: March 28, 2008Date of Patent: March 27, 2012Assignee: Teijin Aramid B.V.Inventor: Marinus Johannes Gerardus Journee
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Patent number: 8114919Abstract: Compositions foamable by exposure to microwave energy contain: (A) at least one compound bearing crosslinkable organic radicals for crosslinking, (B) at least one blowing agent which releases gas on heating, (C) at least one metal powder or metal compound, for example a metal oxide, individually, or a mixture thereof, which has microwave activity. Foams of uniform cell structure can be formulated with wide processing latitude.Type: GrantFiled: September 10, 2007Date of Patent: February 14, 2012Assignee: Wacker Chemie AGInventor: Juergen Weidinger
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Patent number: 8101671Abstract: An object of the invention is to provide a polyolefin resin foam which is excellent in flexibility, cushioning property and processability, especially excellent in cutting processability. The present invention relates to a polyolefin resin foam obtained by foaming a polyolefin resin composition using carbon dioxide in a supercritical state, wherein the polyolefin resin composition contains at least: (1) a thermoplastic elastomer composition obtained by subjecting to a dynamically heat treatment a mixture of (A) a rubber, and (B) (B-1) an ?-olefin crystalline thermoplastic resin and/or (B-2) an ?-olefin amorphous thermoplastic resin, each having a melt tension of less than 3.0 cN at a temperature of 210° C. and at a take-up speed of 2.0 m/min, in the presence of (C) a crosslinking agent; (2) a polyolefin resin; and (3) a nucleant agent having an average particle diameter of from 0.1 ?m to less than 2.0 ?m. The polyolefin resin foam has a density, for example, of 0.2 g/cm2 or less.Type: GrantFiled: March 30, 2007Date of Patent: January 24, 2012Assignees: JSR Corporation, Nitto Denko CorporationInventors: Kentarou Kanae, Norihiro Yamamoto, Takio Itou, Yasuyuki Tokunaga, Makoto Saitou
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Patent number: 8097659Abstract: A flexible polyurethane foam is obtained by making a material containing polyols, a cross-linking agent and a polyisocyanate compound react in the presence of a catalyst, a blowing agent and an auxiliary blowing agent. At this time, the isocyanate index of the polyisocyanate compound is set to 110 to 120. Preferably, a polyol of which the hydroxyl value is 250 mg KOH/g to 650 mg KOH/g and of which the molecular weight is 150 to 500 is used as the cross-linking agent, and concretely, polyethylene glycol can be used. A liquefied carbon dioxide is used as the auxiliary blowing agent with an amount mixed in of 1.5 mass parts to 6.0 mass parts relative to 100 mass parts of the polyols. The load required for compressing to 25% of the initial thickness is 30 N to 70 N, and thus, the flexible polyurethane foam has a low hardness.Type: GrantFiled: January 19, 2007Date of Patent: January 17, 2012Assignee: Inoac CorporationInventor: Fuminori Horio
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Patent number: 8092727Abstract: The invention a method of forming complex shape of styrenic polymer foams in which a pressing surface is created, for example, by planing/machining a layer of an as formed extruded styrenic polymer plank, contacting said plank with a contoured die face and pressing the foam to form the complex shape.Type: GrantFiled: August 26, 2008Date of Patent: January 10, 2012Assignee: Dow Global Technologies LLCInventors: Myron J. Maurer, Alain Michel Andre Sagnard, Dominicus L. Bindels, Michelle L. Boven, Byoung-Ho Choi, Robert J. Cleereman, Ryan S. Gaston, Joseph A. Langmaid, Curtis Alan Browning
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Patent number: 8093588Abstract: Dielectric compositions comprising siloxane and polymeric components, as can be used in a range of transistor and related device configurations.Type: GrantFiled: September 18, 2009Date of Patent: January 10, 2012Assignee: Northwestern UniversityInventors: Tobin J. Marks, Antonio Facchetti, Myung-Han Yoon, He Yan
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Patent number: 8076381Abstract: The object is to provide a molded product of foamed particles obtained by charging biodegradable resin foamed particles which are of vegetable origin and excellent in environmental compatibility into a mold, followed by heat molding, which molded product is not accompanied by post shrinkage after the molding with a wide range of variation of processing in the molding. Further, P3HA resin foamed particles being composed of a resin composition that comprises an isocyanate compound, and a polymer, poly(3-hydroxyalkanoate), having a recurring unit represented by the general formula (1): [—O—CHR—CH2—CO—]??(1) (wherein R represents an alkyl group represented by CnH2n+1, wherein n is an integer of from 1 to 15) produced by a microorganism are provided.Type: GrantFiled: April 10, 2006Date of Patent: December 13, 2011Assignees: Kaneka Corporation, Meredian, Inc.Inventors: Toshio Miyagawa, Fuminobu Hirose, Kenichi Senda
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Patent number: 8076380Abstract: The present invention relates to a particulate expandable polystyrene (EPS) that can be processed into a foam with a fine cell structure and a low density and contains a material for increasing the thermal insulation value, to improve the thermal insulation value hereof. The present invention also relates to a method for the production of a particulate expandable polystyrene (EPS) and to a foam material based on polystyrene.Type: GrantFiled: February 21, 2006Date of Patent: December 13, 2011Assignee: Synbra Technology B.V.Inventor: Jan Noordegraaf
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Patent number: 8071683Abstract: The invention relates to surface modifying macromolecules (SMMs) having high degradation temperatures and their use in the manufacture of articles made from base polymers which require high temperature processing. The surface modifier is admixed with the base polymer to impart alcohol and water repellency properties.Type: GrantFiled: December 14, 2007Date of Patent: December 6, 2011Assignee: Interface Biologics Inc.Inventors: Sanjoy Mullick, Richard Witmeyer, Paul Santerre, Weilun Chang
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Patent number: 8063114Abstract: A chiral inorganic mesoporous material characterized by having a chiral twisted structure and being mesoporous; a process for producing the material; and a method of using the material. The process for inorganic mesoporous material production is a method in which one or more polymerizable inorganic monomers selected from the group consisting of polymerizable inorganic monomers and polymerizable inorganic monomers having a functional group capable of having a charge are polymerized in the presence of a solvent using as a template a self-assembly of a chiral surfactant such as an N-(higher alkanoyl)amino acid salt. Examples of the use of the inorganic mesoporous material include the separation of racemates and reaction fields for asymmetric syntheses.Type: GrantFiled: April 28, 2005Date of Patent: November 22, 2011Assignee: Japan Science and Technology AgencyInventors: Takashi Tatsumi, Shunai Che, Kazutami Sakamoto
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Patent number: 8039523Abstract: A resin composition for pressure-foam molding, which comprises an ethylene-based copolymer and a foaming agent, wherein the ethylene-based copolymer has monomer units derived from ethylene and monomer units derived from an a-olefin having 3 to 20 carbon atoms, has a melt flow rate of 0.01 to 0.7 g/10 minutes, a molecular weight distribution of 5 or more determined by a gel permeation chromatography, an activation energy of flow of 40 kJ/mol or more, and inflection points of 3 or less on a melting curve within temperature range from 25° C. to the end point of melting obtained by a differential scanning calorimetry; a foam obtained by press foaming; and a process for producing the foam.Type: GrantFiled: September 24, 2007Date of Patent: October 18, 2011Assignee: Sumitomo Chemical Company, LimitedInventors: Katsuhiro Yamada, Tatsuhiro Nagamatsu
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Patent number: 8034847Abstract: This invention relates to composition containing expandable microspheres and at least one ionic compound and having a zeta potential that is greater than or equal to zero mV at a pH of about 9.0 or less at an ionic strength of from 10?6 M to 0.1M., as well as methods of making and using the composition.Type: GrantFiled: March 13, 2006Date of Patent: October 11, 2011Assignee: International Paper CompanyInventors: Krishna K Mohan, Cynthia A Goliber, Yaoliang Hong, Peter M Froass, Herbert Young, Dennis W. Anderson, Richard D Faber
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Patent number: 8030365Abstract: This invention relates to composition containing expandable microspheres and at least one ionic compound and having a zeta potential that is greater than or equal to zero mV at a pH of about 9.0 or less at an ionic strength of from 10?6 M to 0.1M., as well as methods of making and using the composition.Type: GrantFiled: March 26, 2009Date of Patent: October 4, 2011Assignee: International Paper CompanyInventors: Krishna K Mohan, Cynthia A Goliber, Yaoliang Hong, Peter M Froass, Herbert Young, Dennis W. Anderson, Richard D Faber
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Patent number: 8013031Abstract: This invention provides a process for extruding a PLA resin using high levels of CO2. Excellent quality, low density foam is produced easily and reproducibly. The foams arc capable of being heat-annealed to induce significant crystallinity, even when an ordinarily amorphous PLA resin is used.Type: GrantFiled: March 24, 2005Date of Patent: September 6, 2011Assignee: NatureWorks LLCInventors: Kevin Cink, Jeffrey C. Smith, James F. Nangeroni, Jed Richard Randall
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Patent number: 8013029Abstract: Disclosed are a mortar for concrete mainly consisting of urethane foam and a method for manufacturing the same, in which urethane foam and Styrofoam used as insulating materials for household electronic appliances and a pre-cast panel are not discarded, but recycled such that the urethane foam and the Styrofoam are mixed with concrete in the construction of flooring of apartments or an ondol of houses. Low weight structure, superior sound-absorption effect and heat insulation effect can be obtained, and cracks are prevented from being generated in the constructed part. Construction work is simplified, and economical efficiency is enhanced. Collected waste urethane foam and waste Styrofoam are pulverized into a size of 1 to 10 mm using a pulverizer. The pulverized urethane foam and Styrofoam are mixed to each other to form urethane foam.Type: GrantFiled: November 9, 2007Date of Patent: September 6, 2011Inventor: Soon-Ok Shin
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Patent number: 7985821Abstract: A process for producing a low VOC epoxy silane oligomer which includes hydrolyzing an epoxy silane, the epoxy silane upon hydrolysis of its hydrolyzable sites producing a reduced amount of volatile organic compound compared to that produced by the hydrolysis of a silane possessing an equivalent number of hydrolyzable sites all of which are hydrolyzable alkoxy groups, the hydrolyzing of the epoxy silane being carried out with less than 1.5 equivalents of water, said water being continuously fed during the hydrolysis reaction.Type: GrantFiled: April 16, 2010Date of Patent: July 26, 2011Assignee: Momentive Performance Materials Inc.Inventors: Alain Lejeune, Yves Gentil