Next To Cellulosic Patents (Class 428/490)
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Publication number: 20130295394Abstract: A method of forming an asphalt mixture includes mixing a polyol with a bio-source material to form a bio-asphalt. The method can further include mixing the bio-asphalt with a bitumen source different from the bio-asphalt to form an asphalt mixture. The bio-source material can include an oil, such as a vegetable oil, an animal fat, or any combination thereof. The bitumen source can include a petroleum-based asphalt. The method can further include adding a modifier, such as a fatty acid, a polycarboxylic acid, a polyacrylic acid, a polyacrylate comprising a copolymer, or any combination thereof. Moreover, a roofing grade asphalt mixture includes a bio-asphalt. The bio-asphalt includes an alkyd, wherein the alkyd is a reaction product of a polyol and a bio-source material. The roofing grade asphalt mixture further includes a bitumen source material and particles.Type: ApplicationFiled: March 15, 2013Publication date: November 7, 2013Inventors: Keith C. Hong, Gregory F. Jacobs, Rajesh Ranjan
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Publication number: 20130171899Abstract: A method of forming an asphalt mixture can include mixing a bio-source material and a bitumen source to form a bitumen mixture. The bitumen mixture can be mixed with a catalyst to form the asphalt mixture. Particles can be added to the asphalt mixture to form a roofing-grade asphalt mixture. In an embodiment, the bitumen source material can have a softening point of at least approximately 93° C. and a penetration distance no greater than approximately 25 dmm. In another embodiment, the roofing-grade asphalt mixture can have a softening point of at least approximately 104° C., a penetration distance no greater than approximately 12 dmm, a viscosity of at least approximately 3000 cps at a temperature of 204° C., or any combination thereof. The asphalt mixture can be applied to a base material to form a roofing product. The asphalt mixture can be applied as a pavement product.Type: ApplicationFiled: December 28, 2012Publication date: July 4, 2013Inventors: Husnu M. KALKANOGLU, Keith C. Hong, Gregory F. Jacobs, Rajesh Ranjan
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Publication number: 20130029168Abstract: Coating compositions containing components derived from the thermo-catalytic conversion of biomass are provided. The components derived from the thermo-catalytic conversion of biomass are useful in increasing the bond strength retention of such coating compositions to the surface of a substrate.Type: ApplicationFiled: September 21, 2012Publication date: January 31, 2013Applicant: KIOR, INC.Inventor: KiOR, Inc.
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Publication number: 20130022823Abstract: A method of forming a roofing-grade asphalt mixture can include mixing a bio-asphalt including a partially oxidized bio-source material, a bitumen source material different from the bio-asphalt, and particles to form the roofing-grade asphalt mixture. In an embodiment, the bitumen source material can have a softening point of at least approximately 102° C. and a penetration distance no greater than approximately 20 dmm. In another embodiment, the roofing-grade asphalt mixture can have a softening point of at least approximately 104° C., a penetration distance no greater than approximately 12 dmm, a viscosity of at least approximately 3000 cps at a temperature of 177° C., or any combination thereof. The roofing-grade asphalt mixture can be applied to a base material to form a roofing product.Type: ApplicationFiled: July 3, 2012Publication date: January 24, 2013Applicant: CertainTeed CorporationInventor: Michael J. Franks, SR.
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Patent number: 7776417Abstract: A self-adhesive ventilating modified bituminous roofing composite in which the release liner is printed with a transfer chemical such that upon removal of the release liner, the adhesive portion of the membrane is rendered non-adhesive in a pattern that provides ventilation pathways that allow for the lateral escape of pressure or latent moisture once the substrate is affixed to the roofing surface, thereby extending the life of the roofing system.Type: GrantFiled: March 8, 2005Date of Patent: August 17, 2010Assignee: Polyglass USA, Inc.Inventors: Shaik Mohseen, Natalino Zanchetta
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Publication number: 20100055485Abstract: A process for manufacturing fiberboard by preparing a fiber slurry mixture including containing cellulose fibers and water then atomizing a liquid bituminous material, such as asphalt. The liquid bituminous material is atomized by mixing it with a pressurized gas, such as compressed air, forming a mist comprising droplets of bituminous material having a diameter between 20 microns and 50 microns. A water spray solidifies the bituminous material droplets thereby forming bituminous particles which fall into the fiber slurry within the spray chamber. From there the slurry is sheared, dewatered, and dried, forming a finished fiberboard.Type: ApplicationFiled: August 29, 2008Publication date: March 4, 2010Applicant: W.R. Meadows, Inc.Inventor: Tariq Mahmood Malik
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Patent number: 7166365Abstract: An exterior finishing system including a bond-compatible composite membrane having a first self-adhesive material layer and a second rough fabric layer, and its use as an intermediate layer between a building structure substrate and exterior finishing materials is provided. Unlike conventional composite membranes, the bond-compatible composite membrane has a rough surface that allows bonding materials to adhere to it. Therefore, mechanical devices are not needed to attach the exterior finishing materials to the building structure.Type: GrantFiled: February 5, 2004Date of Patent: January 23, 2007Assignee: Construction Research & Technology GmbHInventors: Tina L Bramlett, William F. Egan
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Patent number: 7070844Abstract: A prefabricated asphalt-based waterproof roofing membrane for use in a multi-ply asphalt-based commercial roofing system, e.g. a cap sheet that forms the exposed layer of a multi-ply built-up roofing system, is manufactured at a factory to have a highly reflective thermoplastic elastomeric sheet layer with a top surface that has a reflectance that meets current EPA Energy Star requirements. Preferably, a polymer primer layer is interposed between the highly reflective thermoplastic elastomeric sheet layer and an asphalt saturated and coated reinforcing substrate to keep oils and other colored components in the asphalt from exuding into the highly reflective thermoplastic elastomeric sheet layer.Type: GrantFiled: September 10, 2003Date of Patent: July 4, 2006Assignee: Johns ManvilleInventor: Robert Bartek
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Patent number: 7070843Abstract: A prefabricated asphalt-based waterproof roofing membrane for use in a multi-ply asphalt-based commercial roofing system, e.g. a cap sheet that forms the exposed layer of a multi-ply built-up roofing system, is manufactured at a factory to have a highly reflective non-asphalt based elastomeric top coating layer with an upper surface that meets current EPA Energy Star requirements. Preferably, a polymer primer layer is interposed between the highly reflective coating layer and an asphalt saturated and coated reinforcing substrate to keep oils and other colored components in the asphalt from exuding into the highly reflective coating layer.Type: GrantFiled: September 10, 2003Date of Patent: July 4, 2006Assignee: Johns ManvilleInventors: Robert Bartek, Ruben G. Garcia
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Patent number: 7053545Abstract: The present invention has an object to provide a method of raising a re-coupling efficiency of carriers in an EL element to thereby provide a light-emitting device having high emission efficiency. The method is that the electron trap region 106 and the hole trap region 107 are formed in the interior of the emission layer 103. The electron trap region 106 here is a region that has the action of enclosing within the emission layer an electrons that is transferred at the lowest unoccupied molecular orbit (LUMO) level of the emission layer 103. In addition, the hole trap region 107 is a region that has the action of enclosing within the emission layer a hole that is transferred at the highest occupied molecular orbit (HOMO) level of the emission layer 103.Type: GrantFiled: June 13, 2003Date of Patent: May 30, 2006Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventor: Shunpei Yamazaki
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Patent number: 7037864Abstract: An integrated waterproofing membrane is provided which comprises a performed waterproofing material layer covered on one major face with a adherent impervious material liner, and on the other major face with an adherent porous support sheet. The integral waterproofing membrane of the present invention allows for application without releasing of a layer even using a warming source for the application on a surface to be waterproofed.Type: GrantFiled: August 22, 2001Date of Patent: May 2, 2006Inventor: Denis Faucher
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Patent number: 6962738Abstract: A roofing component adhering assembly includes a bitumen layer having first and second major surfaces and at least a first release sheet substantially coextensive with the first major surface of the bitumen layer. The first release sheet is separable from the first major surface of the bitumen layer so that the bitumen layer of the roofing component adhering assembly can be used to adhere together overlapping surfaces, such as end and/or lateral edge portions, of first and second roofing components. The roofing component adhering assembly is especially well suited for adhering surfaces together where one of the surfaces is a granule surface, such as an end edge portion of a cap sheet. Preferably, styrene-butadiene-styrene modified bitumen is used to form the bitumen layer.Type: GrantFiled: May 30, 2003Date of Patent: November 8, 2005Assignee: Johns ManvilleInventor: Raymond C. Swann
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Patent number: 6759135Abstract: The invention is directed to a bond-compatible composite membrane comprising a first self-adhesive material layer and a second rough fabric layer, and its use as an intermediate layer between a building structure substrate and exterior finishing materials. Unlike conventional composite membranes, the bond-compatible composite membrane has a rough surface that allows bonding materials to adhere to it. Therefore, mechanical devices are not needed to attach the exterior finishing materials to the building structure.Type: GrantFiled: May 24, 2002Date of Patent: July 6, 2004Assignee: Construction Research & Technology GmbHInventors: Tina L. Bramlett, William F. Egan
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Patent number: 6723445Abstract: Electron transporting materials and organic light emitting devices utilizing the electron transporting materials, wherein the electron transporting materials are dibenzoquinoxaline compounds, and the devices utilize at least one layer incorporating a dibenzoquinoxaline compound. Dibenzoquinoxaline compounds include dipyridyl substituted dibenzoquinoxaline compounds, diphenyl substituted dibenzoquinoxaline compounds, naphthalene substituted dibenzoquinoxaline compounds, anthrene-dibeanzoquinoxaline compounds, bis(methoxy)phenyl substituted dibenzoquinoxaline compounds, dithiophen-dibenzoquinoxaline compounds, and dibenzoquinoxaline compounds.Type: GrantFiled: December 31, 2001Date of Patent: April 20, 2004Assignee: Canon Kabushiki KaishaInventors: Xiao-Chang Charles Li, Bing R. Hsieh
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Patent number: 6705757Abstract: Apparatus and method for preparing microparticles using in-line solvent extraction. An emulsion is formed by combining two phases in a static mixer. The emulsion is combined with an extraction liquid in a blending static mixer. The outflow of the blending static mixer is combined with additional extraction liquid. The additional extraction liquid and the outflow of the blending static mixer can be combined in a vessel, or through the use of a static mixer manifold that includes a plurality of static mixers.Type: GrantFiled: December 16, 2002Date of Patent: March 16, 2004Assignee: Alkermes Controlled Therapeutics, Inc. IIInventors: Shawn L. Lyons, Steven G. Wright
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Patent number: 6706366Abstract: A curved roofing tile which is formed of strong materials so that it may be fabricated in an extra-width configuration. Strengthening ridges and connector ridges are compression molded so the roofing tile forms a one-piece unit. To help the ecology, recycled materials such as rubbers and plastics are combined into a novel formula of high strength, Class A flame retardancy and economy of manufacture.Type: GrantFiled: June 27, 2002Date of Patent: March 16, 2004Inventors: Lyle Meyer, Gerald Edson
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Patent number: 6666991Abstract: A fluorescent or luminous composition, comprising a multilayered film-coated powder having at least two coating films on a base particle, and a fluorescent or luminous substance; the composition, wherein at least one layer of the coating films contains the fluorescent or luminous substance; a genuine/counterfeit discrimination object, in which the fluorescent or luminous composition; and a genuine/counterfeit discrimination method, comprising recognizing fluorescence or luminescence by irradiating, with a light, the genuine/counterfeit discrimination object.Type: GrantFiled: May 29, 2001Date of Patent: December 23, 2003Assignees: Nittetsu Mining Co., Ltd.Inventors: Takafumi Atarashi, Kiyoshi Hoshino, Katsuto Nakatsuka
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Publication number: 20030039853Abstract: An integrated waterproofing membrane is provided which comprises a performed waterproofing material layer covered on one major face with a adherent impervious material liner, and on the other major face with an adherent porpous support sheet. The integral waterproofing membrane of the present invention allows for application without releasing of a layer even using a warming source for the application on a surface to be waterproofed.Type: ApplicationFiled: August 22, 2001Publication date: February 27, 2003Applicant: Denis Faucher Conseils Inc.Inventor: Denis Faucher
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Patent number: 6395401Abstract: The invention is directed to a bond-compatible composite membrane that includes a bituminous material layer and a polyester layer and its use as an intermediate layer between a building structure and exterior finishing materials. Unlike conventional composite membranes, the bond-compatible composite membrane has a rough surface that allows bonding materials to adhere to it. Therefore, mechanical devices are not needed to attach the exterior finishing materials to the building structure.Type: GrantFiled: August 11, 1999Date of Patent: May 28, 2002Assignee: MBT Holding AGInventors: Tina L. Bramlett, William F. Egan
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Patent number: 6344259Abstract: A method of finishing an edge of a sheet glass is disclosed. The method includes a first grinding step for grinding an edge of a sheet glass so as to provide the edge with an outwardly convex curved shape, and a finishing step for finishing a bordering portion which has been formed by the first grinding step between the curved edge and each flat side face of the sheet glass, so as to provide this bordering portion with a greater smoothness than smoothness provided by the first grinding step. A heat-tempered sheet glass using the method and a fire-resistant construction material using this heat-tempered sheet glass are also disclosed.Type: GrantFiled: November 23, 1999Date of Patent: February 5, 2002Assignee: Nippon Sheet Glass Co., Ltd.Inventors: Keisuke Tanaka, Kiminari Sugiura, Shigeki Obana
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Patent number: 6228503Abstract: A recycled asphalt roofing material for use on sloped roofs, which provides the required elevated melt point without using prior art methods of oxidizing the asphalt prior to incorporation into the roofing material is provided. The recycled asphalt roofing material is made up of approximately 30% flux asphalt and approximately 70% reclaimed asphalt roofing material. The fibrous backing in the reclaimed material modifies the asphalt in such a way as to provide the required elevated melt point. The manufacturing process for recycled fiberglass mat-based roll and shingle roofing, in its preferred embodiment, consists of impregnating a roofing material backbone, such as a fiberglass or polyester mat with recycled asphalt material to form inner and outer layers of recycled material and then applying optional second inner and outer layers of standard asphalt coating to the inner and outer layers of the recycled material.Type: GrantFiled: October 4, 1999Date of Patent: May 8, 2001Assignee: Environmental Reprocessing, Inc.Inventor: Thomas J. Zickell
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Patent number: 6190502Abstract: A fibrous sheet coated with a water-soluble binder of polyvinyl alcohol is impregnated with an aqueous solution dissolved with water-soluble carboxylate, so as to produce a water-disintegratable fibrous sheet. Salting out of the polyvinyl alcohol with the carboxylate maintains wet strength of the water-disintegratable fibrous sheet even in a wet state, which is easily disintegrated when immersed in a large amount of water after use. Furthermore, it does not suffer from deterioration in water-disintegratability and wet strength if it is left at high temperatures, and is good in water-disintegratability in cold water.Type: GrantFiled: July 21, 1998Date of Patent: February 20, 2001Assignee: Uni-Charm CorporationInventors: Naohito Takeuchi, Takayoshi Konishi
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Patent number: 6187141Abstract: A water-disintegratable fibrous sheet having a layered structure comprising: (a) at least one first fiber web comprising pulp of conifer and pulp of hardwood; (b) at least one second fiber web comprising pulp of conifer, having a content of pulp of hardwood less than that in said first fiber web or containing no pulp of hardwood, said first and second fiber webs forming said layered structure; and (c) a water-insoluble or water-swellable binder being added to at least one of said first and second fiber webs. The fibrous sheet excellent in water-disintegratability and strength can be obtained.Type: GrantFiled: September 16, 1998Date of Patent: February 13, 2001Assignee: Uni-Charm CorporationInventors: Naohito Takeuchi, Takayoshi Konishi, Daisuke Yamada
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Patent number: 6096731Abstract: A method for preventing tissue damage associated with graft-versus-host disease in a patient having undergone hematopoietic cell transplantation, and host-versus-graft disease in a patient having undergone organ allograft transplantation. The method includes orally administering to the patient a prophylactically effective amount of a topically active corticosteroid, such as beclomethasone dipropionate, for a period of time following hematopoietic cell or organ allograft transplantation, and prior to the presentation of symptoms associated with graft-versus-host disease or host-versus-graft disease. Representative tissues includes tissue of the intestine and liver, while representative tissue damage includes inflammation thereof.Type: GrantFiled: September 10, 1998Date of Patent: August 1, 2000Assignee: Institute for Drug Research, Inc.Inventor: George B. McDonald
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Patent number: 5981010Abstract: A polyurethane-modified bitumen coating composition of selected surface tack and fluidity. The composition includes: bitumen; a minor modifying amount of a polyurethane prepared by the reaction of a polyisocyanate and a hydroxyl terminated polybutadiene; a tackifier; and a filler material.Type: GrantFiled: June 9, 1998Date of Patent: November 9, 1999Assignee: Interface, Inc.Inventors: C. Edward Terry, Raymond A. Berard, Daniel F. Pinholster, Jr.
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Patent number: 5891583Abstract: A method in which a flexible outer barrier layer is applied to at least that part of the object most vulnerable to decay, a bituminous substance is provided between the outer barrier layer and the object, and the barrier layer is heated so as to melt the bituminous substance sufficiently for it to bond intimately to the wooden object. The barrier layer may be a heat shrinkable plastic film and may be a sleeve which is heat shrunk onto the object. The invention is particularly useful for protecting vulnerable parts of elongate wooden objects, such as fence posts or poles, from decay.Type: GrantFiled: August 5, 1997Date of Patent: April 6, 1999Assignee: Fenson & Company LimitedInventor: Richard Warrington George
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Patent number: 5852166Abstract: A lactide polymer coating resulting in a strong, repulpable, high gloss, paper coating. The lactide polymer comprises a plurality of poly(lactide) polymer chains, residual lactide in concentration of less than about 5 percent and water in concentration of less than about 2000 parts-per-million. A process for coating paper with the lactide polymer composition is also disclosed.Type: GrantFiled: July 14, 1997Date of Patent: December 22, 1998Assignee: Cargill, IncorporatedInventors: Patrick Richard Gruber, Jeffrey John Kolstad, Christopher M. Ryan, Eric Stanley Hall, Robin Sue Eichen Conn
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Patent number: 5763036Abstract: A modified bitumen sheet material and method for a protective moisture barrier, particularly for masonry surfaces. The sheet material has a bitumen layer modified by the addition of a minor amount of a long-chain polybutadiene-isocyanate urethane polymer and optionally, a modifying amount of a hydrocarbon oil to provide a stable, non-flow and selected tackified surface properties to the bitumen layer. The sheet material includes a releasable casting paper film on one surface of the bitumen layer, to be removed prior to use, and a cross-linked polyethylene film bonded to the other outer surface of the bitumen layer as a handling or moisture barrier sheet. The sheet material is prepared by casting the hot, melted bitumen as a layer onto a casting paper sheet and applying the outer film to the exposed bitumen surface to bond to the top surface.Type: GrantFiled: July 10, 1995Date of Patent: June 9, 1998Assignee: Interface, Inc.Inventors: C. Edward Terry, Raymond A. Berard, Daniel F. Pinholster, Jr.
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Patent number: 5665474Abstract: A lactide polymer coating resulting in a strong, repulpable, high gloss, paper coating. The lactide polymer comprises a plurality of poly(lactide) polymer chains, residual lactide in concentration of less than about 5 percent and water in concentration of less than about 2000 parts-per-million. A process for coating paper with the lactide polymer composition is also disclosed.Type: GrantFiled: August 31, 1995Date of Patent: September 9, 1997Assignee: Cargill, IncorporatedInventors: Patrick Richard Gruber, Jeffrey John Kolstad, Christopher M. Ryan, Eric Stanley Hall, Robin Sue Eichen Conn
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Patent number: 5523357Abstract: A blend of chlorosulfonated polyethylene (CSPE) and amorphous chlorinated polyethylene (CPE) together with an additive of crystalline thermoplastic polyolefin (e.g., ultralow density polyethlene) is presented. This material is easily processed on the rolls of a rubbermill (i.e., calender) to form continuous sheets of membrane suitable for use in single ply roofing and other similar applications. In a preferred embodiment, a membrane formed from the composition of this invention is used as the upper layer of a multilayer single ply roof.Type: GrantFiled: October 23, 1991Date of Patent: June 4, 1996Assignee: JPS Elastomerics CorporationInventor: Arnold G. Peterson
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Patent number: 5516573Abstract: An asphalt-based roofing product includes an asphalt-based substrate such as asphalt-saturated fiberglass or cellulose felt, a non-asphalt, thermoplastic, water-resistant adhesive on the surface of the asphalt-based substrate, and a plurality of roofing granules embedded in the asphalt such that the adhesive provides an interface between the asphalt and roofing granules. The adhesive is present in an amount sufficient to improve the adhesion of the roofing granules to the asphalt.Type: GrantFiled: September 26, 1994Date of Patent: May 14, 1996Assignee: Minnesota Mining and Manufacturing CompanyInventors: Billy L. George, Stefan A. Babirad, Vincent J. Laraia, Jr., Wilson S. Bigham
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Patent number: 5502088Abstract: This invention refers to a wood substitute with lignocellulosic and mineral material particles which are molded in sheet, e.g. plates and/or panels in different thicknesses or forms in stencil at choice, using in principal natural and artificial, and vegetal cellulosic material components, e.g. dried leaves, sawdust, rotten wood particles splinters, paperwastes, roots and mineral materials as limestone from sulphates type carbonates or calcium oxides, with synthetic binders from different chemical structures, with or without dyes, in these proportions: 35-60 by weight lignocellulosic components particles, 5-35 by weight limestone types, 5-30 by weight synthetic binders from different harmless chemical structures, with or without synthetic dyes from varied chemical structures and with or without requested additions.Type: GrantFiled: June 6, 1994Date of Patent: March 26, 1996Inventor: Andrei Hododi
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Patent number: 5475080Abstract: A lactide polymer coating resulting in a strong, repulpable, high gloss, paper coating. The lactide polymer comprises a plurality of poly(lactide) polymer chains, residual lactide in concentration of less than about 5 percent and water in concentration of less than about 2000 parts-per-million. A process for coating paper with the lactide polymer composition is also disclosed.Type: GrantFiled: March 22, 1993Date of Patent: December 12, 1995Assignee: Cargill, IncorporatedInventors: Patrick R. Gruber, Jeffrey J. Kolstad, Christopher M. Ryan, Eric S. Hall, Robin S. Eichen Conn
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Patent number: 5451619Abstract: A bituminous composition comprising a bituminous component and an epoxidized polymer of a conjugated diolefin and, optionally, a vinyl aromatic hydrocarbon.Type: GrantFiled: August 19, 1994Date of Patent: September 19, 1995Assignee: Shell Oil CompanyInventors: Robert Q. Kluttz, James R. Erickson
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Patent number: 5419961Abstract: The present invention provides a magnetic recording medium such as a magnetic tape suitable for long play with the thickness of the magnetic tape bring less than or equal to 12.5 without degrading the electro-magnetic conversion characteristic of the head-tape contact characteristic of the magnetic tape. The magnetic tape comprises a non-magnetic film base of thickness dA and a magnetic layer on the non-magnetic film base of thickness dM with the ratio of dA/dM.ltoreq.3.6 and a cupping rate defined as a ratio (A/B.times.100%) of a height A of a curled tape to a width B of curled tape in the traversing direction of .ltoreq.10%. The non-magnetic film vase has a first Young's modulus Y(MD) is a longitudinal direction of the magnetic recording medium and a second Young's modulus Y(TD) in a traversing direction thereof, wherein the first and second Young's modulusli y(MD) and Y(TD) respectively satisfy inequalities (1), (2) defined as follows:Y(TD).gtoreq.Y(MD)/3+1000 (Kg/mm.sup.2) . . . (1)Y(TD).gtoreq.Type: GrantFiled: November 19, 1993Date of Patent: May 30, 1995Assignee: Victor Company of Japan, Ltd.Inventors: Osamu Kobayashi, Takayuki Deno, Ikuo Matsumoto
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Patent number: 5256417Abstract: A packaged towelette composed of a sheet of nonwoven fibers impregnated with a binder which is a polyvinyl alcohol or an aqueous polymer emulsion containing polyvinyl alcohol as the protective colloid, the sheet being maintained in a wet condition within the package by contact with a nonaqueous lotion composition which is a liquid organic compound that is a nonsolvent for polyvinyl alcohol.Type: GrantFiled: January 31, 1992Date of Patent: October 26, 1993Assignee: Air Products and Chemicals, Inc.Inventor: Bernard M. Koltisko
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Patent number: 5252332Abstract: A packaged towelette comprising a sheet of nonwoven fibers impregnated with a polyvinyl alcohol containing binder and in contact with an aqueous solution containing borate ions and bicarbonate ions.Type: GrantFiled: July 24, 1992Date of Patent: October 12, 1993Assignee: Air Products and Chemicals, Inc.Inventor: Joel E. Goldstein
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Patent number: 5167994Abstract: A multiple ply tubular core having continuous vapor barrier layers near the inner and outer surfaces of the tube. The vapor barrier layers have overlying and underlying layers comprising fibrous cellulosic material. The tube is stable to dimensional changes caused by absorption or loss of moisture to the atmosphere.Type: GrantFiled: April 19, 1991Date of Patent: December 1, 1992Assignee: Boise Cascade CorporationInventor: Morris G. Paulson
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Patent number: 4944818Abstract: A panel for use as a substrate for a torch-down modified bitumen roof membrane is disclosed. The panel comprises a board of combustible material with a pre-applied noncombustible facer sheet. The facer sheet protects the board from burning during installation of the membrane. In a preferred embodiment, the boards comprise cellulosic fibers and the facer sheet comprises a fabric of bituminous coated glass fibers. The panels are provided with a facer sheet overhang along two adjacent edges for overlapping the facer sheets of abutting panels. The panels are disclosed having an asphalt coating on the top of the board and with a rubber-asphalt emulsion adhesive adhering the facer sheets to the board. Also disclosed is a roofing construction and a method of applying the roofing construction incorporating the substrate panels.Type: GrantFiled: September 1, 1987Date of Patent: July 31, 1990Inventors: John M. Dybsky, George A. Erswell, Jr., John L. Silvestri, Karl H. Loser, Craig A. McDonald
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Patent number: 4786547Abstract: An exterior insulating sheathing which comprises a foam polystyrene ply and a second ply glued to said polystyrene ply throughout. The second ply is preferably a fiberboard but may also be a waferboard. The sheathing is nailable, has a racking load of about 1900 to 3700 lbs, and has at least he exposed side of the second ply water resistant. This sheathing has a minimum tensile strength of 65.+-.14 kPa, a linear expansion at 97% RH and 23.degree. C., of less than 0.40%.+-.0.02, a water vapor transmission of at least 96.sup.ng.Pa.s.m.sup.2, and a modulus of rupture of 0.5 to 17.2 megaPascal.Type: GrantFiled: April 9, 1987Date of Patent: November 22, 1988Assignee: Domtar Inc.Inventor: Andre St-Michel
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Patent number: 4622252Abstract: A repair or waterproofing laminate having a flexible sheet-like permeable or semipermeable support in face-to-face contact with a sheet-like bituminous mastic and further having an impermeable plastic film in contact with, and permanently adhered to, the portion of the mastic that extends beyond at least one of the ends or edges of the support.Type: GrantFiled: September 29, 1982Date of Patent: November 11, 1986Assignee: Phillips Petroleum CompanyInventor: George W. Strobeck
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Patent number: 4551216Abstract: A carbon-containing layer is produced on a substrate by means of sputtering. The carbon-containing layer is applied with good adhesion to nearly any substrate, is a very thin layer, and also exhibits a low conductivity. Parts of hydrocarbon molecules or hydrocarbon molecules are both incorporated into the carbon-containing layer during sputtering. The carbon-containing layer adheres well to nearly any substrate, is nearly scratch-proof, and helps avoid charging and contamination upon bombardment with charged particles.Type: GrantFiled: July 19, 1984Date of Patent: November 5, 1985Assignee: Siemens AktiengesellschaftInventor: Wilhelm Argyo
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Patent number: 4514448Abstract: Hardboard-like panel having a core of wood fibres intimately mixed with asphalt forming 10-30% by weight of the core. The core is porous and contains 50% by volume of air cells. A resin-impregnated paper is glued to the core. The panel is preferably coated with a long life thermosetting acrylic finish, and used as an exterior siding. A process for making same is also described.Type: GrantFiled: December 28, 1982Date of Patent: April 30, 1985Assignee: Domtar Inc.Inventor: Jacques Grignon
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Patent number: 4496622Abstract: The present invention is a sulfur stabilized composition. The composition comprises an oxidized polyolefin, preferably oxidized polyethylene or oxidized polypropylene, with oxidized polyethylene being most preferred. The composition of the present invention can comprise oxidized polyolefin, asphalt, preferably oxidized, and optionally a filler.Type: GrantFiled: June 22, 1984Date of Patent: January 29, 1985Assignee: Allied CorporationInventors: Irving B. Chang, Robert E. Beckwith, Jr.
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Patent number: 4472243Abstract: Sheet type felt material and sheet type roofing material such as shingles and rolls made therefrom. The felt comprises 10-60 wt % glass fibers of varying lengths, 15-80 wt % cellulosic fiber and 5-25% binder. The roofing material is felt of the invention saturated with asphaltic saturant and coated with filled asphaltic coating material and conventional roofing granules.Type: GrantFiled: April 2, 1984Date of Patent: September 18, 1984Assignee: GAF CorporationInventors: Alfredo A. Bondoc, Eugene J. Flood, Frederick W. Sieling
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Patent number: 4442148Abstract: An improved pre-formed, sheet-like flexible laminate suitable for waterproofing of structural surfaces, the sheet-like material having a laminate structure of (a) a flexible waterproof and waterproofing bituminous membrane and (b) a support sheet material covering at least one major surface of the bituminous membrane; an oil-impermeable polymeric coating being provided between said support sheet material and the adjacent surface of the bituminous membrane to protect the support sheet from adverse effects of oil present in the bituminous membrane.Type: GrantFiled: October 2, 1981Date of Patent: April 10, 1984Assignee: W. R. Grace & Co.Inventor: Robert F. Stierli
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Patent number: 4364991Abstract: Highly fire resistant composites or laminates particularly applicable as structural components in aircraft, e.g. in the engine nacelle, as part of the acoustic panel-fire wall structure, and capable of withstanding a 2,000.degree. F. flame temperature, comprising incorporating an additive in the form of a phosphorylated amide, into a resin, e.g., a polyimide or an epoxy resin, such additive being soluble in the resin. The resulting resin containing the additive, e.g., phenyl phosphonic acid diamide, is then applied to or impregnated into a substrate such as glass fiber cloth or graphite fiber, to form a composite structure which is then cured. The resulting cured composite when subjected to high temperatures of the order of, e.g., a 2,000.degree. F. flame temperature, forms a resin char of reduced thermal conductivity which holds the fibers of the laminate together and maintains the structural stability and integrity of the laminate.Type: GrantFiled: September 25, 1980Date of Patent: December 21, 1982Assignee: McDonnell Douglas CorporationInventors: Norman R. Byrd, Daniel C. Peek
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Patent number: 4308308Abstract: A multilayer sheeting for attachment to sheet metal to stiffen the sheet metal and diminish noise. An anti-drumming sheeting consisting of a filler embedded in a mass such as a bituminous material may be bonded to sheet metal, such as the sheet metal employed in manufacture of an automobile door, and a stiffening sheeting which may consist of a matrix such as a fiberglass mat drenched in a thermosetting resin is bonded to the anti-drumming sheeting. Such a multilayer anti-drumming and stiffening sheeting is flexible enough during application to conform to the configuration of the sheet metal, but hardens into a rigid lining component when the sheet metal is heat treated during the normal course of fabrication.Type: GrantFiled: February 8, 1980Date of Patent: December 29, 1981Assignee: Chemie Werk Weinsheim GmbHInventor: Erhard Sachse
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Patent number: 4065591Abstract: Disclosed is a pitch impregnant composition comprising coal tar pitch, oxidized, or unoxidized petroleum pitch with stearic acid, and particulated metallic pigments including copper, aluminum, steel, silver, iron, tin, nickel and zinc metals and copper-zinc alloys. The process comprises forcing the molten impregnant composition into the surface of the porous article preferably by imposing pressure on the impregnant composition while the article to be treated is immersed therein. Articles so treated exhibit a metallic surface appearance.Type: GrantFiled: January 16, 1976Date of Patent: December 27, 1977Assignee: Ashland Oil, Inc.Inventor: Charles R. Gannon
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Patent number: 4004774Abstract: A composite structure having a coating of thermoplastic material on a substantially inflexible substrate is disclosed. The composite structure comprises (a) a substantially inflexible substrate having a plurality of orifices in the surfaces thereof that is coated, the orifices being of a shape such that, at least in part, the cross-sectional area of the orifices increases as the distance from the surface of the substrate increases, and (b) a coating of solid thermoplastic material on the surface of the substrate. The thermoplastic material extends into the orifices at least as far as into the portion of the orifice of increasing cross-sectional area. Preferably the cross-sectional area of the orifices is greater than 0.005 square inches and the thickness of the coating is at least 10 mils. The substrate is preferably a cellulosic material, e.g., wood, hardboard plywood and the like, or metal. The thermoplastic material may be asphalt, bitumen, tar or a thermoplastic polymer, especially polyethylene.Type: GrantFiled: January 8, 1975Date of Patent: January 25, 1977Assignee: Du Pont of Canada LimitedInventor: Alvin John Houston