Elemental Carbon Containing Patents (Class 442/111)
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Patent number: 9012339Abstract: The invention concerns multiaxial fabrics comprising a first layer comprising a plurality of first yarns being substantially parallel in a first direction; a second layer comprising a plurality of second yarns being substantially parallel in a second direction and skew of off-set with respect to the first yarns; a third yarn layer comprising a plurality of third yarns being substantially parallel in a third direction and skew of off-set with respect to the first yarns and second yarns; a fourth yarn layer comprising a plurality of fourth yarns being substantially parallel in a fourth direction and skew of off-set with respect to the first, second and third yarns; at least one fiber network layer; and a transverse yarn interlaced transversely within the multiaxial fabric where each layer may be arranged in any sequential order and optionally coated with a high viscosity polymer that has a glass transition temperature Tg in the range of about ?40 to about 0° C.Type: GrantFiled: December 7, 2006Date of Patent: April 21, 2015Assignee: E I du Pont de Nemours and CompanyInventor: Minshon J. Chiou
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Patent number: 8980770Abstract: A composite material, the composite material comprising at least one prepreg, said prepreg comprising at least one polymeric resin and at least one fibrous reinforcement; and conducting particles dispersed in the polymeric resin.Type: GrantFiled: August 5, 2008Date of Patent: March 17, 2015Assignee: Hexcel Composites LimitedInventors: John L. Cawse, Martin Simmons, George Green
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Patent number: 8980771Abstract: A composite material, the composite material comprising at least one prepreg, said prepreg comprising at least one polymeric resin and at least one fibrous reinforcement; and conducting particles dispersed in the polymeric resin.Type: GrantFiled: December 20, 2010Date of Patent: March 17, 2015Assignee: Hexcel Composites LimitedInventors: John L. Cawse, Martin Simmons, George Green
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Patent number: 8790449Abstract: Electret webs are presented which include a blend of a thermoplastic resin and a charge-enhancing additive. The charge-enhancing additives include a heterocyclic imide material which is free of fluorinated groups. The webs prepared from the blends may be in the form of films or non-woven fibrous webs. Non-woven microfiber webs are useful as filtration media.Type: GrantFiled: March 23, 2010Date of Patent: July 29, 2014Assignee: 3M Innovative Properties CompanyInventors: Fuming B. Li, John M. Sebastian, Marvin E. Jones, Daniel A. Japuntich
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Patent number: 8613795Abstract: Electret webs are presented which include a blend of a thermoplastic resin and a charge-enhancing additive. The charge-enhancing additives include N-substituted amino carbocyclic aromatic materials. The webs prepared from the blends may be in the form of films or non-woven fibrous webs. Non-woven microfiber webs are useful as filtration media.Type: GrantFiled: May 4, 2009Date of Patent: December 24, 2013Assignee: 3M Innovative Properties CompanyInventors: Fuming B. Li, Feng Bai, John M. Sebastian, Marvin E. Jones
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Publication number: 20130309926Abstract: In dispersing a fine carbon fiber in a thermosetting resin, the invention disperses and disentangles the fine carbon fiber being aggregates form in the thermosetting resin solution, maintains the stable dispersed state, lowers the viscosity of the thermosetting resin solution in which the fine carbon fiber is dispersed, and provides a thermosetting resin formed article containing the fine carbon fiber by curing the fine carbon fiber dispersion solution and a production method thereof. The thermosetting resin-containing solution in which a fine carbon fiber is dispersed, comprises a thermosetting resin, the fine carbon fiber and a viscosity-decreasing agent for fine carbon fiber having a chemical structure represented by the following general formula (1), wherein R1 to R7 are hydrogen atoms or the like, R5 and R6 may be bonded together to form a ring, and all of them have not more than 30 carbon atoms.Type: ApplicationFiled: January 11, 2012Publication date: November 21, 2013Applicant: HODOGAYA CHEMICAL CO., LTD.Inventors: Naohiro Tarumoto, Takayuki Tsukada, Tatsumi Uragami
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Publication number: 20130153142Abstract: A reinforcing sheet to be bonded to a metal adherend includes a resin layer and a constraining layer laminated on the resin layer. The resin layer contains a thermosetting resin, a metal which has a higher ionization tendency than that of the metal adherend, and an electrically-conductive carbon.Type: ApplicationFiled: August 22, 2011Publication date: June 20, 2013Applicant: NITTO DENKO CORPORATIONInventor: Yasuhiko Kawaguchi
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Publication number: 20130090030Abstract: A method of treatment for synthetic or natural fibre or yarn includes coating the fibre/yarn with a dispersion of carbon nanotubes in a coating composition which is cured by actinic radiation, such as UV, to provide a flexible conductive layer on the fibre/yarn. The liquid coating composition is sheared along the direction of a long axis of the yarn as it is applied to the yarn whereby the carbon nanotubes are substantially aligned prior to curing of the coating layer to provide improved longitudinal conductance. The method provides conductive fibre/yarn, from which anti-static textiles and fabrics can be formed, by treatment of conventional fibre/yarn and in a method with low energy consumption. The improved conductance allows thin or partial (e.g.Type: ApplicationFiled: June 3, 2011Publication date: April 11, 2013Applicant: DEVAN CHEMICALS NVInventors: David Van De Vyver, Frank Godefroidt, Dirk Luyckx, Laure Chaboche, Karin Eufinger, Paul Roshan, Myriam Vanneste, Marc Van Parys, Xavier Decant, Helena Esteve Nunez
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Publication number: 20120288762Abstract: Embodiments of the present disclosure provide for flexible graphene-coated pyrolytic carbon materials or structures, methods of making, methods of use, materials including the graphene-coated pyrolytic carbon material or structure, structures including the graphene-coated pyrolytic carbon material or structure, and the like.Type: ApplicationFiled: May 1, 2012Publication date: November 15, 2012Applicant: UNIVERSITY OF GEORGIA RESEARCH FOUNDATION, INC.Inventors: Ian R. Hardin, Ming Zhang
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Patent number: 8263503Abstract: A composite material, the composite material comprising at least one prepreg, said prepreg comprising at least one polymeric resin and at least one fibrous reinforcement; and conducting particles dispersed in the polymeric resin.Type: GrantFiled: December 22, 2010Date of Patent: September 11, 2012Assignee: Hexcel Composites, Ltd.Inventors: John L. Cawse, Martin Simmons, George Green
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Publication number: 20120202397Abstract: The present invention, in some embodiments thereof, relates to material science in general, and, more particularly, to sequence variants of Stable Protein 1 (SP1), to uses thereof, for binding of carbon nanotubes, production of composite polymers and polymer materials, such as fabrics, based on SP1-polypeptide-carbon nanotube-complexes, and the use thereof for enhancing conductivity in tire.Type: ApplicationFiled: August 26, 2010Publication date: August 9, 2012Applicant: Fulcrum S.P. Materials Ltd.Inventors: Amnon Wolf, Nimrod Litvak, Elena Grimberg, Galit Cohen, Arnon Heyman, Izhar Medalsy, Danny Porath, Oded Shoseyov, Asa Eitan
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Patent number: 8133826Abstract: A flexible thermally conductive structure. The structure generally includes a plurality of thermally conductive yarns, at least some of which are at least partially disposed adjacent to an elastomeric material. Typically, at least a portion of the plurality of thermally conductive yarns is configured as a sheet. The yarns may be constructed from graphite, metal, or similar materials. The elastomeric material may be formed from urethane or silicone foam that is at least partially collapsed, or from a similar material. A thermal management garment is provided, the garment incorporating a flexible thermally conductive structure.Type: GrantFiled: August 21, 2007Date of Patent: March 13, 2012Assignee: UT-Battelle, LLCInventors: James W. Klett, Christopher Stan Cameron
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Patent number: 8105964Abstract: A composite material, the composite material comprising at least one prepreg, said prepreg comprising at least one polymeric resin and at least one fibrous reinforcement; and conducting particles dispersed in the polymeric resin.Type: GrantFiled: December 20, 2010Date of Patent: January 31, 2012Assignee: Hexcel Composites, Ltd.Inventors: John L. Cawse, Martin Simmons, George Green
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Publication number: 20120015576Abstract: The invention relates to a planar or shaped textile material comprising or constituted of fibers, at least part of the fibers being coated with a hydrolytically condensed inorganic/organic hybrid material having single-walled or multi-walled carbon nanotubes which are embedded therein, optionally covalently bound thereto. The carbon nanotubes are preferably functionalized, especially with carboxylic acid groups or sulfanilic acid groups. The textile material is suitable for producing protective clothing, barrier materials or the like. The invention further relates to the use of the above-defined hybrid material as a coating material which imparts stain-resistance and/or antimicrobial properties to the coated substrate.Type: ApplicationFiled: March 18, 2010Publication date: January 19, 2012Inventors: Sabine Amberg-Schwab, Annett Halbhuber, Detlev Uhl, Karl-Heinz Haas
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Patent number: 7910501Abstract: The present invention offers sheet molding material for obtaining a thin fuel cell bipolar plate with excellent conductivity and thickness precision, production method thereof, and a fuel cell bipolar plate made by molding the sheet molding material. It relates to sheet molding material for a fuel cell bipolar plate and production method thereof, wherein the sheet molding material has carbon particle layer on at least one surface of the resin sheet, and the percentage of particles of carbon layer in the sheet molding material is 70% to 90% by weight.Type: GrantFiled: December 16, 2005Date of Patent: March 22, 2011Assignee: Dainippon Ink and Chemicals, Inc.Inventors: Jianye Jiang, Tetsuya Harada
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Publication number: 20100279086Abstract: A conductive fabric is provided. The conductive fabric comprises a base layer composed of a synthetic, regenerated or natural fiber, a conductive layer formed on the base layer to be capable of being freely formed by a pre-designed electric pattern, and an insulating layer formed on the conductive layer to protect the conductive layer from damage.Type: ApplicationFiled: November 14, 2007Publication date: November 4, 2010Applicant: KOLON GLOTECH, INC.Inventors: Sung Mee Park, Kwang Su Cho, Kyung Hee Chung
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Patent number: 7651963Abstract: The present invention provides for high thermal conductivity paper that comprises a host matrix (10), and high thermal conductivity materials (12) added to a surface of the host matrix in a specific pattern (12). The high thermal conductivity materials are comprised of one or more of nanofillers, diamond like coatings directly on the host matrix, and diamond like coatings on the nanofillers. In particular embodiments the specific pattern comprises one or more of a grid, edging, banding centering and combinations thereof and the high thermal conductivity materials cover 15-55% of the surface of the host matrix. Multiple surfaces, including sub layers may have patterning.Type: GrantFiled: April 3, 2006Date of Patent: January 26, 2010Assignee: Siemens Energy, Inc.Inventors: James D. B. Smith, Gary Stevens, John W. Wood
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Publication number: 20090029613Abstract: Electrically conductive paths are positioned in and extend transversely across the width of the backing of strips of wrapping material. The electrically conductive paths provide means for conducting electrical current through spirally wrapped protective materials from the surrounding earth to voids formed adjacent the overlapped edges of the wrapping material and thus permit cathodic protection for pipe surfaces exposed to voids formed as a result of improper application or bonding failures of the wrapping material.Type: ApplicationFiled: July 27, 2007Publication date: January 29, 2009Inventors: John W. Muncaster, Richard Norsworthy
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Patent number: 7399519Abstract: Certain chemical compositions provide superior repellency, durability, and soil (stain) release properties when applied to a textile or fabric. Compositions may contain a fluorochemical-containing soil release component or a crosslinking component, or both, and also may contain an antimicrobial agent. In some applications, the crosslinking component may be hydrophobic, so as to be generally not compatible with aqueous environments. Compositions having less than about 6 weight percent of a fluorochemical-containing soil release component, based upon the weight of the treating composition, may be employed in some applications.Type: GrantFiled: October 14, 2003Date of Patent: July 15, 2008Assignee: Milliken & CompanyInventors: Xinggao Fang, Sidney S. Locke, Jr., Paul A. Maclure, Jason G. Chay, Michelle Purdy
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Patent number: 6881904Abstract: The present invention relates to a material for shielding electromagnetic interference (EMI) and radio frequency interference (RFI) between a, electrical conductor or bundle of conductors and the environment. The material comprises a heat-shrinkable woven fabric coated with a conductive material. Specifically, the material can be used as a jacket heat-shrinkable to fit with any sized wire, cable, data or signal line, antenna, or other electrical conductor. A method of making the material is also discussed. In the method, a heat-shrinkable woven fabric is coated with a conductive slurry. When the slurry is dried, a conductive material is deposited on the surface of the heat-shrinkable woven fabric.Type: GrantFiled: March 29, 2002Date of Patent: April 19, 2005Assignee: Methode Electronics, Inc.Inventors: Emil Millas, Albert Chiapetta, Frank St. John
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Patent number: 6831023Abstract: The invention relates to an electrically conductive floor covering based on linoleum, comprising a wear layer and a sub-layer, whereby the floor covering has an electrical volume resistivity R1 according to EN 1081, of a maximum 107 &OHgr;. The invention also relates to a method for producing said floor covering.Type: GrantFiled: June 4, 2002Date of Patent: December 14, 2004Assignee: DLW AktiengesellschaftInventors: Uta Szerreiks, Markus Baum
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Patent number: 6794078Abstract: A fuel-cell separator comprising a resin and an electric conductor dispersed in the resin is produced by thermally molding a mixture comprising the electric conductor and the resin.Type: GrantFiled: June 5, 2002Date of Patent: September 21, 2004Assignee: Hitachi Chemical Company, Ltd.Inventors: Noriji Tashiro, Atsushi Fujita, Tomonori Seki, Harufumi Hasuda
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Publication number: 20040053552Abstract: The present invention relates generally to a static dissipative textile having an electrically conductive surface achieved by coating the textile with an electrically conductive coating in a variety of patterns. The electrically conductive coating is comprised of a conducting agent and a binding agent, and optionally a dispersing agent and/or a thickening agent. The static dissipative textile generally comprises a fabric which may be screen printed or otherwise coated with a conductive coating on the backside of the fabric so that the conductive coating does not interfere with the appearance of the face of the fabric. The economically produced fabric exhibits relatively permanent static dissipation properties and conducts electric charge at virtually any humidity, while the conductive coating does not detrimentally affect the overall appearance or tactile properties of the fabric.Type: ApplicationFiled: September 16, 2002Publication date: March 18, 2004Inventors: Andrew D. Child, Alfred R. Deangelis
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Patent number: 6475933Abstract: Highly conductive elastomeric sheet. Preferably, the conductive elastomeric sheet comprises a conductive wire mesh loaded into an elastomeric matrix from which is also loaded with a conductive particulate. Preferably, the particulate comprises carbon particulate having a sub-micron size, and is present in an amount between ten percent (10%) to twenty percent (20%) by volume. The conductive elastomeric materials are exceptionally durable and retain a high degree of conductivity well-after ten thousand (10,000) fatigue performance cycles.Type: GrantFiled: January 27, 2000Date of Patent: November 5, 2002Assignee: Northrop Grumman CorporationInventors: Mark David Brown, John Wilbur Tully
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Patent number: 6245694Abstract: Automotive bedliners (e.g., for pickup trucks) are formed from a sheet of thermoplastic material having electrically conductive fibers embedded in a surface thereof in an amount sufficient to render said sheet electrically conductive. The bedliners are most preferably formed of a thermoplastic material (e.g., a polyolefin, such a polyethylene and/or polypropylene) having a matrix of electrically conductive fibers physically embedded in at least one side thereof. By physically embedding the conductive fibers in a surface of the bedliner, the fibers are capable of establishing electrical continuity between the bedliner and the pickup truck bed thereby effectively dissipating static electrical charges.Type: GrantFiled: October 1, 1997Date of Patent: June 12, 2001Assignee: Shakespeare Conductive Fibers, LLCInventors: Grover L. Davenport, Wayne S. Stanko, Allen Ray, Everett C. Cox, Michael A. Davis, Gary M. Carnes
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Patent number: 6239050Abstract: A matrix for use in a method of photocatalytically decomposing organic compounds in a fluid includes a fiber glass mat substrate carrying a photocatalytic material. The fiber glass mat is made of randomly oriented glass fibers that have been substantially filamentized and needled whereby the filaments are interlocked. Adhesion of the photocatalytic material to the substrate is provided without requiring heat cleaning of the fiber glass by controlling the organic content of the fiber glass mat to be less than 1.0 percent by weight as measured by loss on ignition. This is achieved by using sizing compositions that preferably have little or no film forming polymer content.Type: GrantFiled: October 30, 1998Date of Patent: May 29, 2001Assignee: PPG Industries Ohio, Inc.Inventors: Kami Lammon-Hilinski, Anastasia Morfesis, Thomas P. Unites
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Patent number: 6200914Abstract: An electrically poorly conductive material for producing external glow-discharge protection for an electrical conductor, includes a base material which is provided with a conductive coating on at least one side. In order to ensure adequate external glow-discharge protection and cost-effective production of an insulating sleeve, even for high rated voltages, the conductive coating is produced essentially from carbon, which has microcrystalline and amorphous structures.Type: GrantFiled: February 8, 1999Date of Patent: March 13, 2001Assignee: Siemens AktiengesellschaftInventor: Michael Schulten
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Patent number: 5763069Abstract: Electrically conductive tape yarns of two or more layers comprising thermoplastic polymer resin and electrically conductive particles, a process for making such tapes and fabrics comprising such tape yarns are disclosed.Type: GrantFiled: April 28, 1997Date of Patent: June 9, 1998Assignee: Amoco CorporationInventor: Erich Gebhard Jordan
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Patent number: 5733823Abstract: There are provided a prepreg for a printed circuit board which comprises a glass cloth impregnated with a flame retardative resin composition comprising a (A) resin composed of a (a) styrenic polymer having syndiotactic configuration, a (b) polymer having compatibility with or affinity for the component (a) and further containing polar group, and a (c) thermoplastic resin other than the components (a) and (b) and/or a rubbery elastomer; a (B) halogenated polystyrene in which the amount of halogen atoms contained in halogen compounds generated under specific conditions is at most 1000 ppm by weight; a (C) flame retardant aid; an (D) organic filler or inorganic filler; and the above glass cloth, and also a substrate for printed circuit which comprises the prepreg or a laminate comprising a plurality of the prepregs laminated on each other, at least one side of the prepreg or laminate being laminated with a metallic layer.Type: GrantFiled: September 6, 1996Date of Patent: March 31, 1998Assignee: Idemitsu Petrochemical Co., Ltd.Inventors: Taizou Sugioka, Shinobu Yamao