Patents Examined by Altrev C Sykes
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Patent number: 8158253Abstract: Fibers (2, 14) having a plurality of colored regions printed on front and rear sides of said fiber are disclosed, wherein the colors are visible only under ultra-violet light. The regions may be in the form of stripes (4, 6, 8, 10 and 12) or may be arranged is a pseudo-random pattern (16, 18, 20, 22, 24). The regions may be differently colored. Such fibers can be incorporated into paper products as a form of counterfeit protection.Type: GrantFiled: August 28, 2003Date of Patent: April 17, 2012Assignee: D W Spinks (Embossing) Ltd.Inventor: Gary D. Spinks
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Patent number: 7959752Abstract: A geogrid using fiber-reinforced polymeric strips and its producing method are disclosed. The geogrid of a lattice shape includes plural longitudinal fiber-reinforced polymeric strips longitudinally arranged in parallel at regular intervals and formed by reinforcing fiber in a thermoplastic polymer resin, and plural lateral fiber-reinforced polymer strip laterally arranged in parallel at regular intervals and formed by reinforcing fiber in a thermoplastic polymer resin. Each longitudinal fiber-reinforced polymer strip has at lease one first contact point crossed with the lateral fiber-reinforced polymer strip on the upper surface and at least one second contact point crossed with the lateral fiber-reinforced polymer strips on the lower surface. The contact points are fixed by welding the longitudinal and lateral fiber-reinforced polymer strips.Type: GrantFiled: December 30, 2003Date of Patent: June 14, 2011Assignee: Samyang CorporationInventors: Kwang-Jung Yun, Seong-Ho Cho, Dong-Hwan Cha, Se-Whan Choi
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Patent number: 7943538Abstract: A water-decomposable cleaning product dispersible in water, including: a cleaning part, at least a part of the cleaning part having a water-decomposable fiber-interlacing nonwoven fabric; and a holding part.Type: GrantFiled: May 12, 2006Date of Patent: May 17, 2011Assignee: Uni-Charm CorporationInventors: Takayoshi Konishi, Kazuya Okada
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Patent number: 7935418Abstract: The invention relates to a method for the preparation of porous polymeric fibres comprising functionalized or active particles. By extruding a mixture of one or more dissolved polymers with particulate material a porous fibre is obtained in which the particulate material is entrapped. Extrusion of the fibre occurs under two-step phase inversion conditions. In particular the porous fibres can be used for the isolation of macromolecules such as peptides, proteins, nucleic acids or other organic compounds from complex reaction mixtures, in particular from fermentation broths. Another application is the immobilization of a catalyst in a reaction mixture.Type: GrantFiled: June 30, 2003Date of Patent: May 3, 2011Assignee: Mosaic Systems B.V.Inventors: Geert-Hendrik Koops, Maria Elena Avramescu, Zandrie Borneman, Ryotaro Kiyono, Matthias Wessling
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Patent number: 7932191Abstract: A composition comprising particles which comprise a core material within a polymeric shell, wherein the core material comprises a hydrophobic substance, in which the amount of the polymeric shell forms at least 8% of the total weight of the particles, wherein the polymeric shell comprises a copolymer formed from a monomer blend which comprises, A) 5 to 90% by weight of an ethylenically unsaturated water soluble monomer, B) 5 to 90% by weight of a multifunctional monomer, and C) 0 to 55% by weight other monomer, and wherein the amount of the polymeric shell and the proportions of. A, B and C are such that the particles exhibit a half height of at least 350° C. The invention includes a process for the manufacture of particles and the use of particles in articles, such as fabrics, and coating compositions, especially for textiles.Type: GrantFiled: April 18, 2005Date of Patent: April 26, 2011Assignee: Ciba Specialty Chemicals Water Treatments Ltd.Inventors: Howard Roger Dungworth, Rachel Weston, Rebecca Kelly
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Patent number: 7914884Abstract: The present disclosure relates to cementitious articles that are reinforced with a fabric made at least partially of high modulus polyolefin monofilament fibers. Preferably, the polypropylene monofilament yarns have a 3% secant modulus of elasticity of at least 100 g/denier. The high modulus polypropylene fabric has an intrinsic resistance to the alkaline conditions present in a cementitious composite, as well as a low elongation at break. The high modulus polypropylene may contain a nucleating agent to facilitate the process of obtaining desired draw ratio.Type: GrantFiled: February 24, 2005Date of Patent: March 29, 2011Assignee: Milliken & CompanyInventors: Joseph R. Royer, Randolph S. Kohlman, Samuel E. Graham
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Patent number: 7888275Abstract: An integrally formed multi-component structure is disclosed, the multi-component structure comprising a plurality of components, at least one of which is a three-dimensional bonded fiber fluid transmissive component comprised of a plurality of polymeric fibers bonded to each other at spaced apart contact points, the fibers collectively defining tortuous fluid flow paths, and wherein each component has an interface with at least one other component.Type: GrantFiled: January 17, 2006Date of Patent: February 15, 2011Assignee: Filtrona Porous Technologies Corp.Inventors: Bennett C. Ward, Wolfgang Broosch, Bernhard E. Kutscha, Dirk H. Kemper
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Patent number: 7879442Abstract: The present invention relates to a composite of vapor grown carbon fiber and inorganic fine particles comprising vapor grown carbon fiber, each fiber filament of the carbon fiber having a structure with hollow space extending along its axis, a diameter of 0.001 to 1 ?m and an aspect ratio of 5 to 15,000; and inorganic fine particles having a particle size of 0.0001 to 5 ?m, the particles being deposited onto the surface of the carbon fiber, wherein the ratio of the average diameter of the vapor grown carbon fiber to the average particle size of the inorganic fine particles is 1 0.01 to 1:5; the ratio by mass of the vapor grown carbon fiber to the inorganic fine particles is 1:0.005 to 1:50; and the carbon crystal structure of the carbon fiber is maintained and the surface characteristics are modified.Type: GrantFiled: September 15, 2004Date of Patent: February 1, 2011Assignee: Showa Denko K.K.Inventors: Toshio Morita, Chiaki Sotowa, Ryuji Yamamoto
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Patent number: 7871700Abstract: A method of manufacturing composite fibers comprising two distinct layers having different compositions and physico-chemical properties and controlled, homogenous thicknesses, wherein one of two layers comprises carbon nanotubes and the composite fibers are obtained from carbon nanotube fibers and a first solution of a selected concentration of colloidal particles intended to constitute the second layer, comprising the following steps: placing the fibers in contact, by lateral surfaces thereof, with a surface of a second solution which is adapted to chemically cause aggregation of the colloidal particles and is completely or partially immersed in the second solution, the immersed thickness of the fibers defining the immersion area, placing the thus pre-coated fibers in contract, on the same lateral surface, with a surface of the first colloidal particle solution and immersed in it at most up to the immersion area to locally form a colloidal gel with a fixed thickness determined by the concentration of the firType: GrantFiled: October 26, 2005Date of Patent: January 18, 2011Assignee: Centre National de la Recherche Scientifique - CNRSInventors: Philippe Poulin, Thibaud Vaugien
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Patent number: 7867612Abstract: A composite material is described that contains a reinforcing resin and reinforcing fibers, wherein the reinforcing fibers have a coating containing polyphenylene sulfide and the proportion of polyphenylene sulfide relative to the uncoated fibers is 0.001 to <0.01 wt. %. The composite material shows higher apparent interlaminar shear strength and bending strength as compared with similar composite materials having no PPS coating in the above concentration range.Type: GrantFiled: March 28, 2003Date of Patent: January 11, 2011Assignee: Toho Tenax Europe GmbHInventors: Klaus Peter Schwung, Bernd Wohlmann
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Patent number: 7867927Abstract: A coated glass mat comprises a glass mat substrate having non-woven glass fibers and a coating which essentially uniformly penetrates the glass mat substrate to desired fractional thickness of the coated glass mat. The coating imparts a tensile strength to the coated glass mat which on average is at least 1.33 times greater than the tensile strength of the glass mat substrate without the coating. In example embodiments, penetration of the coating into the glass mat substrate preferably extends to a depth of from twenty five percent of a thickness of the coated glass mat to seventy five percent of the thickness of the coated glass mat. Moreover, a non-coated thickness of the coated glass mat is sufficiently thick for bonding purposes with, e.g., a gypsum slurry or other core materials such as thermoplastic or thermosetting plastics. The coating has a porosity in a range of from 1.3 CFM to 5.0 CFM, e.g.Type: GrantFiled: August 23, 2006Date of Patent: January 11, 2011Assignee: Atlas Roofing Corp.Inventors: Philip Bush, Robert H. Blanpied, Freddie Lee Murphy, Jimmy Rogers Dubose
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Patent number: 7807590Abstract: A method of manufacturing an isotropic pitch-based carbon fiber spun yarn fabric includes the following steps of: obtaining composite yarn by winding a water-soluble polymer fiber around a surface of isotropic pitch-based carbon fiber spun yarn; obtaining a composite yarn fabric by weaving the composite yarn; and obtaining the isotropic pitch-based carbon fiber spun yarn fabric by dissolving and removing the water-soluble polymer fiber from the composite yarn fabric.Type: GrantFiled: March 22, 2005Date of Patent: October 5, 2010Assignee: Kureha CorporationInventors: Akira Takeuchi, Tatsuo Kobayashi
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Patent number: 7771820Abstract: A crystalline nano wire material which can be used as a nano-level wire is provided. A molecular monocrystal having a high anisotropy for electrical resistivity is used.Type: GrantFiled: June 15, 2005Date of Patent: August 10, 2010Assignee: Japan Science and Technology AgencyInventor: Hiroshi Yamamoto
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Patent number: 7766975Abstract: The present invention provides water repellant curable compositions comprising (i) one or more polyacid comprising at least two carboxylic acid groups, anhydride groups, or salts thereof, (ii) one or more polyol comprising at least two hydroxyl groups, (iii) one or more reactive waterproofing agent chosen from a C5 to C30 alk(en)yl 2-hydroxyethyl (alk(en))amide, C5 to C30 alk(en)yl bis(2-hydroxyethyl)amide, C11 to C30 alk(en)yl 2-hydroxyethyl (alk(en))amine, C11 to C30 alk(en)yl bis(2-hydroxy-ethyl)amine, C11 to C30 alk(en)yl tris(2-hydroxyethyl)amine, C5 to C30 alk(en)yl monoglyceride, C5 to C30 alk(en)yl monocarboxylate of a trihydric polyol, and mixtures thereof, and, (iv), optionally, one or more phosphorous-containing accelerator, wherein the ratio of the number of equivalents of said carboxylic acid groups, anhydride groups, or salts thereof to the total number of equivalents of said hydroxyl groups is from 1/0.01 to 1/3.Type: GrantFiled: July 5, 2006Date of Patent: August 3, 2010Assignee: Rohm and Haas CompanyInventors: Guy Clamen, William C. Finch, Barry Weinstein
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Patent number: 7687410Abstract: The present invention relates to an inorganic wood-like material, which can be used as a sheet instead of wood, characterized that the said material mainly includes magnesite, magnesium chloride, lime powder, glass fiber, talcum powder and kaolin. The method of preparing the same includes pulverizing, mixing this material in different proportion and molding the mixture to obtain the inorganic wood-like material of the present invention. The material can exhibits a laminated structure comprising wear-resistant surface layer (11), an inorganic material layer (12) and a wear-resistant bottom layer (13). The material can be used for buildings. It is non-toxic, odorless, rustless, non-inflammable and non-oxidable. Its appearance looks like wood and it is easy to be processed. The material is a good environment-protecting material and will be widely accepted by industry and commerce.Type: GrantFiled: November 20, 2006Date of Patent: March 30, 2010Inventor: Hung Tang
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Patent number: 7682996Abstract: A screen includes three or four layers of woven metal screen cloth. The coarsest of these layers is a structural layer includes threads which are woven into the cloth with surfaces which are fusible below a temperature at which the other layers of screen cloth are heat affected. These woven threads include each of the threads in the coarse screen cloth with the coated threads being wire with fusible polypropylene or polyethylene coatings. The cloth could alternatively be coated or a fusible grid used between screens instead. A support layer above the structural layer may include a woven metal screen with woven elements which are either coated with fusible material or are solidly of fusible material woven periodically therethrough in at least one direction. A fusible grid could alternatively be employed. Screens are laminated with one or two fine mesh screens heated on the support woven screen cloth with fusible surfaces to locate the fusible material in the finer cloths.Type: GrantFiled: November 21, 2002Date of Patent: March 23, 2010Assignee: M-I L.L.C.Inventor: Brian S. Carr
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Patent number: 7670967Abstract: The present invention is directed to a wet wipe product. The wet wipe product comprises a fibrous substrate and a triggerable binder formulation. The triggerable binder formulation is capable of binding the fibers in the fibrous substrate. The triggerable binder formulation may include acrylamide polymers, vinylamide/amine polymers, and mixtures. The triggerable binder formulation is insoluble in a wetting composition comprising an insolubilizing agent but is dispersible in disposal water.Type: GrantFiled: December 30, 2004Date of Patent: March 2, 2010Assignee: Kimberly-Clark Worldwide, Inc.Inventors: Troy Michael Runge, Richard Warren Tanzer, Kelly Dean Branham, David William Koenig, Lisa Marie Kroll, Joseph Mitchell, Michael Ralph Lostocco, Marlene Ruth Lehman, William Clayton Bunyard
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Patent number: 7642206Abstract: A ballistic resistant panel which is formed from a ceramic layer and a plurality of fibrous backing layers. A first fibrous backing layer is adjacent to the ceramic layer, and a second fibrous backing layer is adjacent to the first fibrous backing layer. Each of the fibrous backing layers are formed from a network of high tenacity fibers, but the fibers of each of the backing layers have a different composition. Preferably, the first fibrous layer is stiffer than the second fibrous layer. The panel has a ballistic resistance which is substantially equivalent to or higher than the ballistic resistance of a comparable ceramic panel construction that has only a single fibrous layer of the same type of high tenacity fibers as are in the first and second fibrous backing layers, for substantially the same areal density.Type: GrantFiled: March 24, 2006Date of Patent: January 5, 2010Assignee: Honeywell International Inc.Inventors: Ashok Bhatnagar, Lori L. Wagner, Harold Lindley Murray, Jr., Brian D. Arvidson, Madhusudhan Rammoorthy
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Patent number: 7582240Abstract: A thin, uniform membrane comprising polymeric fibrils or a combination of fibrils and particles, wherein the fibrils have randomly convoluted cross-sections, and a process for making the membrane are disclosed. The membrane may be on the surface of a substrate as part of a composite sheet, or as a stand-alone structure.Type: GrantFiled: April 1, 2005Date of Patent: September 1, 2009Assignee: E. I. du Pont de Nemours and CompanyInventors: Robert Anthony Marin, Larry R. Marshall, Amanda Dawn Miller
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Patent number: 7579289Abstract: According to the present invention, water repellant curable compositions comprise: (i) one or more polyacid; (ii) one or more polyol comprising at least two hydroxyl groups; (iii) one or more reactive waterproofing agent chosen from a C5 to C30 alk(en)yl monocarboxylate of a (poly)ethoxylated trihydric polyol, C5 to C30 alk(en)ylamine (poly)alkoxylate, C5 to C30 alk(en)yl diamine (poly)alkoxylate, C5 to C30 alk(en)ylamine (poly)alkoxylate containing an ether or thiother group in the alk(en)ylamine group, and mixtures thereof. The compositions are dilutable with water to make thermosetting aqueous binder compositions. The present invention also provides methods of treating or contacting substrates chosen from a non-woven, woven and a composite, such as glass fiber substrates, with the thermosetting aqueous binder compositions, and drying and curing, and the water resistant products produced thereby.Type: GrantFiled: July 31, 2006Date of Patent: August 25, 2009Assignee: Rohm and Haas CompanyInventors: Guy Clamen, Nolwenn Colmou, William C. Finch, Barry Weinstein