Coated Or Impregnated Polyolefin Fiber Fabric Patents (Class 442/170)
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Patent number: 9340653Abstract: The method for producing a porous film of the present invention includes producing a stretched film by stretching a resin sheet containing at least polyolefin, and then irradiating the stretched film with a vacuum ultraviolet ray. The separator for a non-aqueous electrolyte battery of the present invention is composed of the porous film obtained by the production method of the present invention. The non-aqueous electrolyte battery of the present invention is provided with the separator for a non-aqueous electrolyte battery of the present invention.Type: GrantFiled: June 2, 2015Date of Patent: May 17, 2016Assignee: Nitto Denko CorporationInventors: Shunsuke Noumi, Tomoaki Ichikawa, Shinichi Ooizumi, Yoshihiro Uetani, Masaki Ujihara
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Patent number: 9077025Abstract: The method for producing a porous film of the present invention includes producing a stretched film by stretching a resin sheet containing at least polyolefin, and then irradiating the stretched film with a vacuum ultraviolet ray. The separator for a non-aqueous electrolyte battery of the present invention is composed of the porous film obtained by the production method of the present invention. The non-aqueous electrolyte battery of the present invention is provided with the separator for a non-aqueous electrolyte battery of the present invention.Type: GrantFiled: May 23, 2008Date of Patent: July 7, 2015Assignee: Nitto Denko CorporationInventors: Shunsuke Noumi, Tomoaki Ichikawa, Shinichi Ooizumi, Yoshihiro Uetani, Masaki Ujihara
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Patent number: 9040146Abstract: A material having a first surface and a second surface is disclosed. The first or second surface comprises a texture. The texture is defined by peaks and valleys such that the textured surface may have an Average Peak to Peak Distance in the range of about 3 mm to about 16 mm, an Average Height Differential of at least 1 mm, and a Surface Topography Index from about 0.1 to about 5. The material may comprise a surfactant.Type: GrantFiled: January 17, 2014Date of Patent: May 26, 2015Assignee: The Procter & Gamble CompanyInventors: Saeed Fereshtehkhou, Paul Joseph Russo, Wilbur Cecil Strickland, Jr., Nicola John Policicchio
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Patent number: 9005733Abstract: A nonwoven material is disclosed. The nonwoven material comprises a first nonwoven substrate comprising a three-dimensional texture. The three-dimensional texture comprises peaks and valleys such that the texture may comprise an Average Peak to Peak Distance in the range of about 1 mm to about 20 mm, an Average Height Differential in the range of about 1 mm to about 3 mm, and a Surface Topography Index in the range of about 0.01 to about 10. The first nonwoven substrate may comprise polyester. The nonwoven material comprises a second nonwoven substrate comprising a polyolefin and a surfactant applied to the first or second nonwoven substrates. The surfactant is included at an add-on level of at least 0.1%, by weight of the nonwoven material. The first nonwoven substrate is joined to the second nonwoven substrate.Type: GrantFiled: January 17, 2014Date of Patent: April 14, 2015Assignee: The Procter & Gamble CompanyInventors: Saeed Fereshtehkhou, Paul Joseph Russo, Wilbur Cecil Strickland, Jr., Nicola John Policicchio
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Patent number: 9005734Abstract: A sanitary article is disclosed. The sanitary article comprises a disposable, macroscopically three-dimensional sheet. The sheet has a first surface and a second surface. One of the surfaces comprises a macroscopic three-dimensional texture. The macroscopic three-dimensional texture comprises peaks and valleys such that the textured surface may have an Average Peak to Peak Distance in the range of about 3 mm to about 16 mm, an Average Height Differential in the range of 1 mm to about 3 mm, and a Surface Topography Index in the range of about 0.1 to about 5. The sanitary article may comprise a surfactant on the sheet.Type: GrantFiled: January 17, 2014Date of Patent: April 14, 2015Assignee: The Procter & Gamble CompanyInventors: Saeed Fereshtehkhou, Paul Joseph Russo, Wilbur Cecil Strickland, Jr., Nicola John Policicchio
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Publication number: 20150099413Abstract: A functionalized nonwoven substrate and methods for preparing the same are described. The functionalized substrates are useful in selectively filtering and removing biological materials, such as biocontaminates, from biological samples.Type: ApplicationFiled: February 26, 2013Publication date: April 9, 2015Inventors: Michael R. Berrigan, Jonathan F. Hester, Clinton P. Waller, Jr., Douglas E. Weiss
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Patent number: 8999489Abstract: An article of manufacture is disclosed. The article of manufacture comprises a package and a disposable sheet. The sheet has a first surface and a second surface. One of the surfaces comprises a texture. The texture is defined by peaks and valleys such that the one textured surface may have an Average Peak to Peak Distance in the range of about 1 mm to about 20 mm, an Average Height Differential in the range of 1 mm to 3 mm, and a Surface Topography Index in the range of about 0.01 to about 10. The sheet may be contained within the package.Type: GrantFiled: January 17, 2014Date of Patent: April 7, 2015Assignee: The Procter & Gamble CompanyInventors: Saeed Fereshtehkhou, Paul Joseph Russo, Wilbur Cecil Strickland, Jr., Nicola John Policicchio
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Publication number: 20150061277Abstract: A method of manufacturing a liner, such as a wheelhouse liner, includes the following steps: (a) providing a textile blank; (b) dispensing a liquid-impermeable polymer only on a portion of the textile blank; (c) bonding the liquid-impermeable material to the textile blank; (d) changing a shape of the textile blank to form the liner; and (e) trimming the liner. The liner includes a substrate wholly or partly made of a textile. The substrate has a first surface and a second surface opposite the first surface. The liner further includes a liquid-impermeable coat bonded to the substrate. The liquid-impermeable coat partially covers the first surface of the substrate in order to minimize liquid flow through the substrate.Type: ApplicationFiled: August 27, 2013Publication date: March 5, 2015Applicant: GM Global Technology Operations LLCInventors: Bradley Tice, David M. Connor, Wayne R. Witkop
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Publication number: 20150038034Abstract: Known textile flat structures contain precious metal wire or they are composed completely thereof. In order to achieve high flexural and tensile strength, at the same time with high flexibility of the flat structure, the precious metal wire is configured as a precious metal cord having a plurality of cords or a plurality of individual precious metal wires or a combination of cords and individual precious metal wires, which are in each case laid around one another and/or twisted around one another.Type: ApplicationFiled: January 23, 2013Publication date: February 5, 2015Applicant: Heraeus Materials Technology GmbH & Co. KGInventors: Annette Lukas, Stefan Lang, Hans-Jürgen Wachter, Ulrich Koops
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Patent number: 8939295Abstract: A multi-layer, fluid transmissive structure is provided that comprises first and second fiber layers each comprising a plurality of polymeric fibers bonded to each other at spaced apart contact points. The polymeric fibers of these fiber layers have diameters greater than one micron and collectively define interconnected interstitial spaces providing tortuous fluid flow paths through the first and second fiber layers. The structure also comprises a plurality of nanofibers disposed intermediate at least a portion of the first fiber layer and at least a portion of the second fiber layer.Type: GrantFiled: February 17, 2010Date of Patent: January 27, 2015Assignee: Essentra Porous Technologies Corp.Inventors: Bennett C. Ward, Geoffrey M. Stoltz
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Patent number: 8921242Abstract: A light weight, durable, easily recyclable pool cover includes a fabric covering with reinforcing and attachment straps wherein, the reinforcing and attachment straps are attached to said fabric in a criss-crossed pattern. The fabric covering and the straps are produced from a single polymer consisting of polypropylene. The pool cover is entirely recyclable at end of service life by chopping the pool cover components in a simple machine producing granules useful for injection molding of polypropylene products. The pool cover fabric is produced by subjecting three layers of polypropylene sheet material to heat and pressure forming a strong durable fabric wherein the top layer and bottom layer are a solid fabric and the middle layer is multi-filament mesh of polypropylene threads.Type: GrantFiled: June 22, 2010Date of Patent: December 30, 2014Assignee: Pool Cover CorporationInventor: LeeAnn Pesta
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Patent number: 8841484Abstract: Disclosed are certain partially fluorinated amide compounds and composite materials containing the compounds. Also disclosed are methods for making the composite materials.Type: GrantFiled: September 20, 2011Date of Patent: September 23, 2014Assignee: E I du Pont de Nemours and CompanyInventors: Keith W. Hutchenson, Anilkumar Raghavanpillai, Stefan Reinartz
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Publication number: 20140248811Abstract: The instant invention provides nonwoven fabrics and staple or binder fibres prepared from an ethylene-based polymer having a Comonomer Distribution Constant in the range of from greater than from 100 to 400, a vinyl unsaturation of less than 0.1 vinyls per one thousand carbon atoms present in the backbone of the ethylene-based polymer composition; a zero shear viscosity ratio (ZSVR) in the range from 1 to less than 2; a density in the range of 0.930 to 0. 970 g/cm3, a melt index (12) in the range of from 15 to 30 or from 10 to 50 g/10 minutes, a molecular weight distribution (Mw/Mn) in the range of from 2 to 3.5, and a molecular weight distribution (Mz/Mw) in the range of from less than 2.Type: ApplicationFiled: October 4, 2012Publication date: September 4, 2014Applicant: Dow Global Technologies LLCInventors: Jacquelyn A. Degroot, Gert J. Claasen, Selim Bensason, Mehmet Demirors, Thor Gudmundsson, Jason C. Brodil
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Patent number: 8753461Abstract: A method is described for reducing the afterflame of a flammable, meltable material. A textile composite is described comprising an outer textile comprising a flammable, meltable material, and a heat reactive material comprising a polymer resin-expandable graphite mixture.Type: GrantFiled: September 3, 2010Date of Patent: June 17, 2014Assignee: W. L. Gore & Associates, Inc.Inventor: Dattatreya Panse
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Publication number: 20140159988Abstract: The invention relates to a low dielectric loss material comprising a plurality of polyolefin tapes forming a sheet and a coating disposed onto said sheet, wherein said coating comprises an epoxy resin.Type: ApplicationFiled: February 17, 2011Publication date: June 12, 2014Applicant: DSM IP Assets B.V.Inventors: David Cordova, Eelco Van Oosterbosch
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Publication number: 20140078016Abstract: The invention relates to a material comprising at least one laminate component containing polymeric fibers wherein the material has a loss tangent of less than 8×10?3 radians as measured at a frequency chosen from the group of frequencies consisting of 1.8 GHz; 3.9 GHz; 10 GHz; 39.5 GHz; and 72 GHz.Type: ApplicationFiled: December 14, 2011Publication date: March 20, 2014Applicant: DSM ASSETS B.V.Inventors: David Corodova, Eelco van Costerbosch, Chae Thompson, Chris Griffin
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Publication number: 20140045400Abstract: The invention is a fiber reinforced composite. The fiber reinforced composite comprises a matrix material and stainless steel fibers. The stainless steel fibers have a polygonal cross section and the stainless steel fibers have an annealed microstructure.Type: ApplicationFiled: April 26, 2011Publication date: February 13, 2014Inventor: Sophie Vandewalle
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Patent number: 8536077Abstract: Disclosed herein is a flooring underlayment membrane, and associated methods of manufacturing and installing such a membrane, comprising upper and lower nonwoven fiber layers. In one embodiment, the flooring underlayment membrane constructed as disclosed herein may comprise a first nonwoven fiber material, and a second nonwoven fiber material and at least one layer of extrudable thermoplastic resin disposed between and bonding the first and second nonwoven fiber materials.Type: GrantFiled: December 29, 2008Date of Patent: September 17, 2013Assignee: Building Materials Investment CorporationInventors: Daniel LaVietes, David Gladden, Song-Ping Dai
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Publication number: 20130115839Abstract: Ballistic resistant articles having excellent resistance to deterioration due to liquid exposure. More particularly, ballistic resistant fibrous composites and articles that retain their superior ballistic resistance performance after exposure to liquids such as sea water and organic solvents, such as gasoline and other petroleum-based products.Type: ApplicationFiled: March 19, 2007Publication date: May 9, 2013Inventors: Brian D. Arvidson, David A. Hurst, Lori L. Wagner, Ashok Bhatnagar, Henry G. Ardiff
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Publication number: 20130065467Abstract: A substrate has a surface printed with an ink or coating composition with excellent adhesion and dry rub resistance, and very good oil and saline rub resistance (crock) properties using a multi-functional carbodiimide as a crosslinker for nonwoven substrates. The rub performance of the ink or coating printed on a nonwoven substrate has been found to be superior to that of a first Sun benchmark ink including pigments for four color printing. In another embodiment, a carbodiimide crosslinker such as multifunctional Carbodilite SV-02 is added to the compositions to further improve rub resistance (crock) and retain liquid characteristics post inoculation when compared to compositions using aziridine as a crosslinker. In a further embodiment, a thin polyolefin film exemplifying a backsheet of a hygiene product was printed with the same crosslinked ink or coating composition and compared with a second Sun benchmark set of inks.Type: ApplicationFiled: September 10, 2011Publication date: March 14, 2013Applicant: SUN CHEMICAL CORPORATIONInventors: Faye Transvalidou, Huanyu Wei, Alexander Chudolij, Leda Mora
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Publication number: 20130065468Abstract: The present invention discloses films, papers, and fabrics (both woven and non-woven) that are more receptive to inks or dyes. These ink/dye receptive products are made by coating the surface of the film, paper, or fabric with certain acrylate polymers. These ink/dye receptive films, papers and fabrics have the ability to then be used in making laminated and coated products. The subject invention more specifically discloses an ink/dye receptive film which is comprised of a base film which is coated with an acrylate polymer, comprised of 1 weight percent to 20 weight percent repeat units of at least one unsaturated aliphatic olefin monomer containing from 4 to 30 carbon atoms.Type: ApplicationFiled: June 2, 2011Publication date: March 14, 2013Applicant: LUBRIZOL ADVANCED MATERIALS, INC.Inventors: Jack C. Scott, JR., Gary A. Anderle, Robert J. Pafford, IV, Naser Pourahmady
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Patent number: 8383528Abstract: A method is described for reducing the afterflame of a flammable, meltable material. A textile composite is described comprising an outer textile comprising a flammable, meltable material, and a heat reactive material comprising a polymer resin-expandable graphite mixture.Type: GrantFiled: September 3, 2010Date of Patent: February 26, 2013Assignee: W. L. Gore & Associates, Inc.Inventor: Dattatreya Panse
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NONWOVEN FIBROUS WEBS CONTAINING CHEMICALLY ACTIVE PARTICULATES AND METHODS OF MAKING AND USING SAME
Publication number: 20130030340Abstract: Nonwoven fibrous webs including a multiplicity of randomly oriented discrete fibers and a multiplicity of chemically active particulates secured to the web, and methods of making and using same. In some embodiments, more than 0% and less than 10% wt. of the nonwoven fibrous web is made of multi-component fibers having at least a first region exhibiting a first melting temperature and a second region exhibiting a second melting temperature greater than the first melting temperature. In other embodiments, the discrete fibers include a first population of monocomponent thermoplastic fibers having a first melting temperature, and a second population of monocomponent fibers having a second melting temperature greater than the first melting temperature. In certain embodiments, at least some of the particulates are bonded to the fibers. In other embodiments, at least some of the particulates are secured within interstices of the fibrous web, without substantial bonding to the fibers.Type: ApplicationFiled: April 14, 2011Publication date: January 31, 2013Applicant: 3M INNOVATIVE PROPERTIES COMPANYInventors: Bernard Vincent, Lahoussaine Lalouch, Tien T. Wu, Eric M. Moore -
Patent number: 8337974Abstract: The present invention relates to membranes and to a process for making them. The membranes according to the invention comprise a sheetlike flexible substrate having a multiplicity of openings and having a coating on and in said substrate, the material of said substrate being selected from nonwovens of polymeric fibers, said nonwovens having a porosity of more than 50% and said coating being a porous ceramic coating, said substrate preferably being from 10 to 200 ?m in thickness. Such membranes provide a distinctly higher flux than conventional membranes. The membranes are useful as separators for batteries or as a microfiltration membrane.Type: GrantFiled: January 14, 2003Date of Patent: December 25, 2012Assignee: Evonik Degussa GmbHInventors: Volker Hennige, Christian Hying, Gerhard Hoerpel
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Patent number: 8222166Abstract: Membranes suitable for microfiltration, ultrafiltration (UF) and nanofiltration (NF) filters are provided. Such membranes may include a nanofibrous scaffold, optionally in combination with a non-woven substrate and/or a coating of a polymer and a functionalized nanofiller. Suitable membranes may also include a coating of a polymer and a functionalized nanofiller on a substrate, which can include a non-woven membrane, a nanofibrous scaffold, or both.Type: GrantFiled: October 5, 2005Date of Patent: July 17, 2012Assignee: The Research Foundation of State University of New YorkInventors: Benjamin Chu, Benjamin S. Hsiao, Dufei Fang, Kwang-Sok Kim
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Publication number: 20120178322Abstract: A coated fabric with a first fabric layer having a first surface and a second surface, wherein the first fabric layer is comprised of a first polymer, and a first coating layer that is disposed on at least a portion of the first surface of the first fabric layer, wherein the first coating layer is comprised of the first polymer is disclosed. Fabricating the coated fabric can comprise providing a fabric, and applying or bonding at least a portion of a polymeric layer onto at least a portion of a first surface. The coated fabrics can advantageously serve as a protective barrier against natural elements with a long service life. One of more coated fabrics can act as a barrier to prevent seepage of water into the ground and/or serve as a surface for printing and decoration. The present coated fabrics can also be tailored to specific applications.Type: ApplicationFiled: March 26, 2010Publication date: July 12, 2012Inventors: Naresh R. Mehta, David A. Pettey, Jeffrey C. Flath
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Publication number: 20120009840Abstract: Disclosed are certain partially fluorinated amide compounds and composite materials containing the compounds. Also disclosed are methods for making the composite materials.Type: ApplicationFiled: September 20, 2011Publication date: January 12, 2012Applicant: E.I. DU PONT DE NEMOURS AND COMPANYInventors: Keith Ward Hutchenson, Anilkumar Raghavanpillai, Stefan Reinartz
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Publication number: 20110306255Abstract: The invention relates to a composition including an acid-stable inorganic binder and fibres. The composition includes at least one inorganic binder and fibres, wherein the inorganic binder comprises water glass, the fraction of the composition which is attributable to water glass preferably being in the range from 2% to 99% by weight or 6% to 94% by weight or 11% to 89% by weight or 21% to 79% by weight. The fibre material is present as a weave and/or knit and/or scrim and/or net and/or brous nonwoven web and/or as hollow fibres. Owing to its high strength coupled with low weight, this material of construction is very useful for fabricating ready-made components for structural and civil engineering. In addition, it is also very easy to produce structural components and engineered structures on site. It is possible to realize very light components, to achieve very delicate geometries and, owing to the favourable strength-to-weight ratio, to build unusually high structures.Type: ApplicationFiled: March 31, 2009Publication date: December 15, 2011Inventor: Jorg Rathenow
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Publication number: 20110280824Abstract: The present disclosure provides copolymers including a first monomer including at least one phospholipid possessing at least one vinyl group and a second monomer including a furanone possessing vinyl and/or acrylate groups. Compositions, medical devices, and coatings including such copolymers are also provided.Type: ApplicationFiled: July 26, 2011Publication date: November 17, 2011Applicant: Tyco Healthcare Group LPInventor: Joshua B. Stopek
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Patent number: 8048815Abstract: The present invention relates to a composite article and to a process for manufacturing the composite article. The composite article comprises multiple layers including high tenacity fibers incorporated into a fabric and a core thermoplastic resin. The fabric may be coated with a surface treatment agent, a polymer matrix resin. Single or multiple layers of the composite articles may be formed into a composite part having high strength, rigidity, fast molding cycle time and extremely good conformability in a 3-dimensional mold. The composite parts formed by this process have high part strength in all directions.Type: GrantFiled: December 11, 2008Date of Patent: November 1, 2011Assignee: Kubota Research, Inc.Inventors: Masanori Kubota, Ayako Kubota, Munetaka Kubota, Alexander Kubota
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Patent number: 8043678Abstract: The present invention relates to a radome which has excellent transmission loss of radio waves and structural strength, which can be easily produced, and which has favorable workability, and a method of producing the same. The radome includes an olefin woven material and a glass cloth, in which the olefin woven material and the glass cloth are impregnated with a matrix resin to be integrated with each other, and the glass cloth is disposed closer to an inner side of the radome than the olefin woven material. As the olefin woven material, a woven material formed of an ultrahigh molecular weight polyethylene fiber can be used. As the matrix resin, an epoxy resin, a vinyl ester resin, an unsaturated polyester resin, or a silicone resin can be used.Type: GrantFiled: October 29, 2008Date of Patent: October 25, 2011Assignee: Mitsubishi Electric CorporationInventors: Shigeru Utsumi, Muneo Murakami, Kimihiro Kaneko, Teruhiko Kumada
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Publication number: 20110256788Abstract: A method of preparing a woven carpet comprising applying a coating compound as an adhesive layer to the woven carpet to form a coated woven carpet, wherein the coating compound comprises an aqueous dispersion comprising a base polymer, a stabilizing agent, and a liquid medium, wherein the base polymer comprises a polyolefin-based polymer; and a wetting agent. A woven carpet comprising a woven substrate; and an adhesive layer comprising a dehydration product of a coating compound comprising an aqueous dispersion comprising a base polymer, a stabilizing agent, and a liquid medium, wherein the base polymer comprises a polyolefin-based polymer; and a wetting agent.Type: ApplicationFiled: December 21, 2009Publication date: October 20, 2011Applicant: Dow Global Technologies LLCInventor: Hans De Vos
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Publication number: 20110223402Abstract: The invention relates to a novel binder system and its use for bonding textile fabrics as well as products containing such bonded textile fabrics. The materials according to the invention are suitable for manufacturing base interlinings which may be used for manufacturing base interlinings for sarking, roofing and sealing membranes, particularly for manufacturing coated sarking, roofing and sealing membranes.Type: ApplicationFiled: December 8, 2008Publication date: September 15, 2011Inventors: Sven Gamert, Krister Draxö
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Patent number: 8012892Abstract: A composite resin molded product has a molded product body made of a resin and a fiber sheet material inserted on the surface of the molded product body. The fiber sheet material is formed of a knitted fabric, and the rear surface of the knitted fabric faces the molded product. The surfaces of fiber yarns of the knitted fabric are integrated with the molded product body by melting and solidifying.Type: GrantFiled: June 4, 2007Date of Patent: September 6, 2011Assignees: Daikyo Nishikawa Corporation, National University Corporation Kyoto Institute of TechnologyInventors: Nobuyoshi Kajioka, Hiroyuki Hamada, Asami Nakai
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Publication number: 20110210532Abstract: A woven airbag fabric includes a first type of filament yarn, at least a second type of filament yarn and a silicone-based coating. The first type of filament yarn is chosen from the group of polyolefin filament yarns. The at least a second type of filament yarn is chosen from the group of polyamide and polyester filament yarns.Type: ApplicationFiled: November 6, 2009Publication date: September 1, 2011Applicant: Autoliv Development ABInventor: Mats Johansson
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Patent number: 8008217Abstract: A penetration resistant article with an area density less than 1.5 lb/ft2 made of a plurality of fibrous fabric layers that have applied thereto about 1 to 8 percent by weight of a polymer having a glass transition temperature in the range of minus 40 to about 0° C. and a zero shear melt viscosity 2×106 to about 1013 poise at 20° C.Type: GrantFiled: June 21, 2005Date of Patent: August 30, 2011Assignee: E.I. du Pont de Nemours and CompanyInventors: Kalika Ranjan Samant, Bryan Benedict Sauer, Minshon J. Chiou
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Publication number: 20110171863Abstract: An aqueous dispersion includes a self-crosslinking alkylolacrylamide containing interpolymer, the interpolymer being prepared in an emulsion polymerization medium by way of interpolymerizing in the medium: (a) acrylamide monomer; (b) N—C2 to C10 alkylolacrylamide monomer, wherein the molar ratio of acrylamide:N—C2 to C10 alkylolacrylamide interpolymerized is at least 0.5; and (c) at least one or more additional ethylenically unsaturated monomers added to the medium in an amount of from about 80 weight % to about 98 weight % based on the dry weight of monomer interpolymerized in the medium. The dispersions are particularly useful as binders for fibrous webs.Type: ApplicationFiled: February 28, 2011Publication date: July 14, 2011Inventor: Joel E. Goldstein
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Publication number: 20110123782Abstract: Disclosed is a recyclable coated banner substrate comprising (1) a composition comprising (a) copolymers of ethylene and maleic anhydride or its functional equivalents and (b) ethylene copolymers with polar comonomers such as ethylene/vinyl acetate copolymers, ethylene/alkyl (meth)acrylate copolymers and ethylene/(meth)acrylate/carbon monoxide terpolymers, and (2) a planar polyolefin banner substrate wherein the composition is affixed to at least one side of the planar polyolefin banner substrate.Type: ApplicationFiled: November 24, 2009Publication date: May 26, 2011Applicant: E.I. DU PONT DE NEMOURS AND COMPANYInventors: ERIC W. TEATHER, Seqwana T. Pryor, Richard T. Chou
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Patent number: 7858157Abstract: A process for treating fibers to render the fibers more hydrophilic. The process includes contacting the fibers with a solution of hydrophilic monomers and radical polymerization initiators and exposing the fibers to UV radiation.Type: GrantFiled: March 12, 2009Date of Patent: December 28, 2010Assignee: The Procter & Gamble CompanyInventors: Ludwig Busam, Andreas Flohr, Christofer Fuchs, Ekaterina Anatolyevna Ponomarenko
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Publication number: 20100323573Abstract: Membranes suitable for microfiltration, ultrafiltration (UF) and nanofiltration (NF) filters are provided. Such membranes may include a nanofibrous scaffold, optionally in combination with a non-woven substrate and/or a coating of a polymer and a functionalized nanofiller. Suitable membranes may also include a coating of a polymer and a functionalized nanofiller on a substrate, which can include a non-woven membrane, a nanofibrous scaffold, or both.Type: ApplicationFiled: October 5, 2005Publication date: December 23, 2010Inventors: Benjamin Chu, Benjamin S. Hsiao, Dufei Fang, Kwang-sok Kim
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Patent number: 7855157Abstract: A cosmic and solar radiation shielding structure that also has structural attributes is comprised of three layers. The first layer is 30-42 percent by volume of ultra-high molecular weight (UHMW) polyethylene fibers, 18-30 percent by volume of graphite fibers, and a remaining percent by volume of an epoxy resin matrix. The second layer is approximately 68 percent by volume of UHMW polyethylene fibers and a remaining percent by volume of a polyethylene matrix. The third layer is a ceramic material.Type: GrantFiled: June 19, 2008Date of Patent: December 21, 2010Assignee: The United States of America as represented by the Administrator of the National Aeronautics and Space AdministrationInventors: Raj K. Kaul, Abdulnasser Fakhri Barghouty, Benjamin G. Penn, Anthony Bruce Hulcher
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Patent number: 7833918Abstract: A substantially dry, water-activated cleaning article is described that comprises a two-layer nonwoven substrate impregnated with a cleaning composition minimally comprising a nonionic surfactant and a microbially-derived polysaccharidic polymer.Type: GrantFiled: January 14, 2009Date of Patent: November 16, 2010Assignee: The Dial CorporationInventors: Deirdre M. Gormley, Priti Das, Aleidatje M. Lester, Kevin Hafer
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Patent number: 7833916Abstract: The present invention provides several methods and materials for use in building construction that may require air and water barrier, and water vapor permeability along with thermal or acoustic insulation. Several embodiments provide materials for a variety of building construction needs that can help build next generation green buildings.Type: GrantFiled: June 29, 2005Date of Patent: November 16, 2010Assignee: Aspen Aerogels, Inc.Inventors: Daniel Leeser, Christopher Blair, Daniel Bullock, Sara Rosenberg, Poongunran Muthukumaran
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Publication number: 20100279566Abstract: A passive electrical article including a dielectric layer having a nonwoven material.Type: ApplicationFiled: April 30, 2010Publication date: November 4, 2010Inventors: Rui Yang, Guoping Mao, Dipankar Ghosh, Ji-Hwa Lee, Sungbae Min, Justine A. Mooney
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Publication number: 20100255270Abstract: The present invention provides a fabric and a fabric structure made of yarns with reduced water absorption. The fabric comprises yarns and interstices between the yarns, the interstices between the yarns having an average width of greater than 100 ?m. At least one of the yarns is comprised of multiple fibers. Said at least one yarn has voids between the fibers wherein the voids are filled up with a polymer material. The interstices remain open and the size of the interstices is the same as before the treatment. The filling of the voids between the fibers with the polymer material prevents the absorption of water into said voids and therefore leads to reduced water absorption of the fabric. The polymer material is substantially only located within the voids of the yarn and has embedded the fibers within the outer surface of said yarn.Type: ApplicationFiled: September 8, 2008Publication date: October 7, 2010Inventor: Werner Stuebiger
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Patent number: 7786032Abstract: The present invention is generally directed to adhesive compositions comprising selected ratios of crystalline and amorphous polymers. In some versions of the invention, polymers capable of existing in different configurations (e.g., a polymer such as polypropylene which can exist in an atactic, syndiotactic. or isotactic configuration) is used to prepare adhesives of the present invention. As an example, a selected amount of isotactic polypropylene is blended with a selected amount of atactic polypropylene to prepare an adhesive composition having one or more performance properties (e.g., bond strength) that are superior to the performance properties of a conventional hot-melt adhesive.Type: GrantFiled: September 16, 2008Date of Patent: August 31, 2010Assignee: Kimberly-Clark Worldwide, Inc.Inventors: Peiguang Zhou, Timothy James Blenke
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Publication number: 20100206804Abstract: A ply includes a fibrous nonwoven web fabric forming a foundational structure, wherein the foundational structure includes fibers forming first pores and is partially filled with particles, wherein the particles at least partially fill the first pores so as to form regions filled with particles, wherein the particles in the filled regions form second pores, and wherein an average diameter of the particles is greater than an average pore size of more than 50% of the second pores.Type: ApplicationFiled: September 8, 2008Publication date: August 19, 2010Applicant: CARL FREUDENBERG KGInventors: Christoph Weber, Michael Roth, Peter Kritzer, Gunter Scharfenberger, Rudolf Wagner
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Patent number: 7754624Abstract: Fluoroalkyl amidoalkyl alcohols of the formula are disclosed and their corresponding (meth)acrylate esters. These fluoroalkyl amidoalkyl (meth)acrylate monomers can be copolymerized with a wide variety of conventional ethylenically unsaturated monomers. The resulting copolymers are useful as water, oil- and grease-proofing agents for paper, textiles and hard surfaces such as masonry and wood.Type: GrantFiled: June 18, 2007Date of Patent: July 13, 2010Inventor: Shobha Kantamneni
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Publication number: 20100167615Abstract: The present invention describes a process for the surface finishing of materials via application of specific polymethacrylate layers. The polymethacrylate layers are composed of blends of at least two (co)polymers of polymethacrylates, and specific “reactive monomers” are present here in a polymerized mixture which forms the polymethacrylate layer. At the application temperature established, these form a chemical and, where appropriate, also a physical bond to the substrate, and therefore have adhesion-promoting action.Type: ApplicationFiled: December 23, 2009Publication date: July 1, 2010Applicant: Evonik Roehm GmbHInventors: Uwe Numrich, Michael Wicker, Achim Neuhaeuser, Christoph Krohmer, Guenther Dickhaut-Bayer
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Patent number: 7670668Abstract: A roof covering includes a coated roofing mat comprising a roofing mat coated with an organic-based coating material. A reflective layer comprising a layer of an infrared reflective material covers an upper surface of the coated roofing mat. A weatherable layer comprising a layer of a weatherable material covers an upper surface of the reflective layer. The roof covering does not include roofing granules.Type: GrantFiled: December 30, 2005Date of Patent: March 2, 2010Assignee: Owens Corning Intellectual Capital, LLCInventors: Gerald G. Greaves, David R. Jones, IV, Christina M. Wise, Hugues L. Jacquemin