Next To Cellulosic Patents (Class 428/485)
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Patent number: 11624994Abstract: A fixing belt includes: a base having an endless shape; and a resin layer covering a surface on an inner peripheral side of the base, the resin layer comprising a resin and a filler, and having a second surface opposite to a first surface facing the base, the second surface having cell structures, and being roughened with the filler. When arithmetic mean roughnesses of the second surface in the central region X and the end regions Y and Z are defined as RaX, RaY and RaZ respectively, a difference between RaX and RaY, a difference between RaY and RaZ, and a difference between RaX and RaZ are all 0.1 ?m or smaller, and a coefficient of variation of areas of the cell structures contained in each of the central region X, and end regions Y and Z is 25% or smaller.Type: GrantFiled: April 20, 2022Date of Patent: April 11, 2023Assignee: CANON KABUSHIKI KAISHAInventors: Noriaki Kobayashi, Akeshi Asaka
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Patent number: 11572444Abstract: The invention is directed to a process for the continuous acetylation of wood elements. The process particularly combines a batchwise impregnation step, with a continuous reaction step. In order to realize this, a collection step is built-in, so as to allow batches of impregnated wood elements to be fed into a reactor in a continuous manner. Very high acetylation contents can be obtained, at a level that had not been achievable before in a continuous and non-catalyzed acetylation process.Type: GrantFiled: March 21, 2013Date of Patent: February 7, 2023Assignee: TITAN WOOD LIMITEDInventors: Bernardus Jozef Maria Pol, Stefan Van Dommele, Paul Bussemaker, Benjamin Painter, Gerrit Arie De Wit, Theodorus Gerardus Marinus Maria Kappen
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Publication number: 20150027954Abstract: The invention provides systems and methods for removing a target oil from an aqueous fluid stream using a capture medium. In embodiments, the capture medium can comprise an anchor substrate and a modifier technology supported on the anchor substrate, where the modifier technology complexes with the oil to form a removable complex.Type: ApplicationFiled: July 10, 2014Publication date: January 29, 2015Inventors: David S. Soane, William Ware, JR., Robert P. Mahoney, Ian Slattery
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Patent number: 8541542Abstract: The present invention relates to a process for reducing residuals content in a vinyl aromatic polymer, said residuals comprising essentially unpolymerized vinyl aromatic monomer, wherein the vinyl aromatic polymer in the molten state is brought in contact with a solid in powder capable to catalyze the alkylation of said residual vinyl aromatic monomer on the vinyl aromatic polymer. Advantage of the present invention is a sharp reduction of the unpolymerized vinyl aromatic monomer in the vinyl aromatic polymer without generating a new residual and without inducing a colored vinyl aromatic polymer. The present invention also relates to said vinyl aromatic polymer having a low residuals content.Type: GrantFiled: July 13, 2007Date of Patent: September 24, 2013Assignee: Total Research & Technology FeluyInventors: Thomas-Maurice Roussel, Bruno Vuillemin, Francois Fajula
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Publication number: 20130060215Abstract: A hot melt adhesive composition includes at least a semi-crystalline copolymer of propylene and a polyethylene wax having a Brookfield viscosity of about 20 cP to 500 cP at 140° C., a density of about 0.95 g/cm3 to 0.99 g/cm3 between 23° C. and 25° C., and a Mettler drop point of about 110° C. to 135° C., wherein the composition is characterized by a effective set time of about 0.1 second to 5 seconds. Articles including the composition and methods of making articles including the composition are described.Type: ApplicationFiled: April 27, 2012Publication date: March 7, 2013Applicant: ADHERENT LABORATORIES, INC.Inventors: Keith C. Knutson, Thomas H. Quinn, William L. Bunnelle
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Patent number: 8343634Abstract: Composite panels may be prepared using a moisture resistance additive having a formulation that includes a triglyceride having a saponification value of at least 150 and an iodine value of at least 35. The additive may be used in the form of a water emulsion. The water emulsion may be prepared by dispersing the components of the additive formulation under conditions sufficient to at least partially saponify the triglyceride. The moisture resistance additive can impart resistance to moisture absorption and thickness swelling to composite panels prepared therewith.Type: GrantFiled: January 14, 2010Date of Patent: January 1, 2013Assignee: Momentive Specialty Chemicals Inc.Inventors: Steven J. Wantling, Harden Christopher Wren, Jason L. Holder
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Publication number: 20120231217Abstract: An optical film, including: an additive; a wax component; and a cellulose ester, wherein the optical film satisfies the following equations (1) and (2): Equation (1): |?C/Ct|?0.1×(Ct/d?0.3) and Equation (2): Ct/d?0.375; wherein Ct represents a total content of the additive whose unit is % by mass, d represents a film thickness whose unit is ?m, and ?C is represented by Ct?Cs; wherein Cs represents a surface content of the additive in at least one side of the optical film.Type: ApplicationFiled: March 7, 2012Publication date: September 13, 2012Applicant: FUJIFILM CORPORATIONInventors: Yasuyuki SASADA, Masaya SUZUKI, Hiroyuki KAWANISHI
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Publication number: 20120213956Abstract: Described herein are fugitive hot melt adhesive compositions having a substantial weight percent of renewable plant-based content. The adhesive compositions impart high initial adhesive bond strength between an object and a substrate quickly after application in the molten state, wherein the adhesive bond strength is spontaneously substantially reduced to a very low or near zero level after a short time, for example between about 1 minute and 60 minutes after application. Methods of use and articles formed using the compositions are also described.Type: ApplicationFiled: February 23, 2011Publication date: August 23, 2012Applicant: Adherent Laboratories, Inc.Inventors: William L. Bunnelle, Keith Knutson, Thomas H. Quinn
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Patent number: 8076006Abstract: Composite panels may be prepared using a moisture resistance additive having a formulation that includes a triglyceride having a saponification value of at least 150 and an iodine value of at least 35. The additive may be used in the form of a water emulsion. The water emulsion may be prepared by dispersing the components of the additive formulation under conditions sufficient to at least partially saponify the triglyceride. The moisture resistance additive can impart resistance to moisture absorption and thickness swelling to composite panels prepared therewith.Type: GrantFiled: January 27, 2009Date of Patent: December 13, 2011Assignee: Momentive Specialty Chemicals Inc.Inventor: Steven J. Wantling
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Patent number: 7892987Abstract: An absorbent mixture consisting of an absorbent such as sodium or potassium polyacrylate, a fluent wax and a channeling agent. A product consisting of a porous member containing a mixture including an absorbent such as sodium or potassium polyacrylate, a fluent wax and a channeling agent.Type: GrantFiled: January 8, 2010Date of Patent: February 22, 2011Assignee: Multisorb Technologies, Inc.Inventors: Louis Patrone, Paul A. Riemenschneider
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Publication number: 20100215956Abstract: The invention relates to the use of wax dispersions containing oily waxes as hydrophobizing agent in the production of timber products. In particular, the invention relates to the production of hydrophobized timber products using wax dispersions of paraffinic soft waxes as are either produced directly in the process of mineral oil refining, or are formed in the course of degreasing waxes, and to the timber products thus produced.Type: ApplicationFiled: June 22, 2007Publication date: August 26, 2010Inventor: Thomas Buchholz
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Patent number: 7745011Abstract: A low-cost and effective coating composition for cardboard allows use of thinner paper board with the same or higher strength relative to conventional water-resistant cardboard. The resulting cardboard can also be repulped and more easily recycled. The inventive coating composition, preferably applied to the fluted inner ply of the cardboard (as a waterproof barrier), is compatible with the utilization of low-cost starch-based adhesives for gluing the fluting to the liners. At least one side of the fluting cardboard is coated with a composition comprising: from about 10% to 70% by weight, and more preferably from about 40% to 60% by weight, of sodium silicate; from about 10% to 60% by weight, and more preferably from about 30% to about 50% by weight, of a synthetic resin emulsion; from about 10% to 50% of a paraffin-water emulsion; and from about 5% to about 25% by weight of added water.Type: GrantFiled: March 1, 2006Date of Patent: June 29, 2010Assignee: Ingenieros Consultores Asociados, S.A.Inventor: Carlos Cantu-Gonzalez
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Publication number: 20100159188Abstract: A carrier plate (1) for a punching tool includes two external layers (3,4), between which a middle layer (2) is arranged, wherein the middle layer (2) is formed by a core made of compacted fibers and the external layers (3, 4) are formed by wood veneer.Type: ApplicationFiled: December 18, 2009Publication date: June 24, 2010Applicant: KARL MARBACH GMBH & CO. KGInventor: Peter MARBACH
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Publication number: 20100136294Abstract: Lotion-containing fibrous structures and more particularly lotion-containing multi-ply fibrous structures and methods for making such fibrous structures are provided.Type: ApplicationFiled: November 24, 2009Publication date: June 3, 2010Inventors: John Allen Manifold, Kathleen Diane Sands, David Mark Rasch, Jeremy Howard Nugent, Christopher Gerald Donner
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Patent number: 7704899Abstract: An absorbent mixture consisting of an absorbent such as sodium or potassium polyacrylate, a fluent wax and a channeling agent. A product consisting of a porous member containing a mixture including an absorbent such as sodium or potassium polyacrylate, a fluent wax and a channeling agent.Type: GrantFiled: February 17, 2004Date of Patent: April 27, 2010Assignee: Multisorb Technologies, Inc.Inventors: Louis Patrone, Paul A. Riemenschneider
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Patent number: 7645554Abstract: An electrophotographic recording medium including a substrate and formed on the substrate at least one image receiving layer has a thermoplastic resin, the image receiving layer containing at least one kind of unsaturated fatty acid or an unsaturated fatty acid derivative having a melting point of from about 40° C. to about 120° C.Type: GrantFiled: November 15, 2006Date of Patent: January 12, 2010Assignee: Fuji Xerox Co., Ltd.Inventors: Eizo Kurihara, Tsukasa Matsuda
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Publication number: 20090197105Abstract: The invention provides nanoparticulate wax dispersions comprising wax solids having a solidification point of greater than 40 to 150° C., a process for preparing them, and a method of hydrophobicizing materials produced using fibres, chips or strands comprising or consisting of lignocelluloses and/or celluloses, by contacting them with the wax dispersions.Type: ApplicationFiled: March 28, 2007Publication date: August 6, 2009Inventors: Thomas Buchholz, Hans Jörg Scheidat
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Patent number: 7404999Abstract: A barrier paper has a polymeric layer substantially covering a first side of the paper and an anti-blocking coating on a second side. The polymeric layer has anti-blocking characteristics. A method of making an anti-blocking barrier paper also is provided.Type: GrantFiled: March 29, 2005Date of Patent: July 29, 2008Assignee: Graphic Packaging International, Inc.Inventors: Darrel Loel Wilhoit, John Cameron Files
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Publication number: 20080032147Abstract: The process described herein presents a unique method and means of manufacturing medium density fibreboard (MDF) using agricultural plant stalks. The plant stalks are first depithed. The stalks are then broken down into fiber-like threads and made into fiber bundles. These fiber bundles are then combined with a resin component and a wax component, and the resulting mixture is cured. The MDF is economical to manufacture than prior art fibreboard in that it does not necessitate the use of expensive MDI resin. Further, the fibreboard is environmentally friendly in that it provides a beneficial use for agricultural waste.Type: ApplicationFiled: August 22, 2006Publication date: February 7, 2008Inventors: THOMAS NEEL, DAVID W. THOMPSON, TIMOTHY MCDERMOTT, WILLIAM C. PRIESTLY, BARRY MONAGHAM
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Patent number: 7150909Abstract: The present invention aims to provide an process for image formation using an electrophotographic image-receiving sheet having excellent anti-offset properties, adhesion resistance, paper transport properties and gloss, and being resistant to cracks, and able to form a high-definition image. For this purpose, there is provided an electrophotographic image-receiving sheet which includes a toner image-receiving layer containing at least a thermoplastic resin and natural wax having an light transmittance of 78% or less, on a support having an light transmittance of 30% or less, and an process for image formation using this electrophotographic image-receiving sheet.Type: GrantFiled: April 17, 2003Date of Patent: December 19, 2006Assignee: Fuji Photo Film Co., Ltd.Inventors: Yoshio Tani, Yoshisada Nakamura, Yasuo Sakaguchi
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Patent number: 7083673Abstract: The present invention provides an improved method and materials for forming biodegradable containers that can hold food products in dry, damp or wet conditions and provides the biodegradable containers prepared according to the disclosed process. The containers are produced through the use of a pre-gelled starch suspension that is unique in its ability to form hydrated gels and to maintain this gel structure in the presence of many other types of materials and at low temperatures.Type: GrantFiled: October 29, 2004Date of Patent: August 1, 2006Assignee: New Ice LimitedInventors: Joe A. Bowden, Christine C. Johnston
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Patent number: 6929854Abstract: A method of producing boards or panels from cereal straw includes the steps of treating and mechanically refining the straw with steam under elevated pressure which may be in excess of 8 bar (800 kPa). The resulting fiber may then be pressed in to boards or panels without added binder or mixed with a urea formaldehyde or melamine urea formaldehyde binder.Type: GrantFiled: April 3, 2002Date of Patent: August 16, 2005Assignee: Alberta Research Council Inc.Inventor: Wayne Wasylciw
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Patent number: 6878199Abstract: The present invention provides an improved method and materials for forming biodegradable containers that can hold food products in dry, damp or wet conditions and provides the biodegradable containers prepared according to the disclosed process. The containers are produced through the use of a pre-gelled starch suspension that is unique in its ability to form hydrated gels and to maintain this gel structure in the presence of many other types of materials and at low temperatures.Type: GrantFiled: January 13, 2003Date of Patent: April 12, 2005Assignee: New Ice LimitedInventors: Joe A. Bowden, Christine C. Johnston
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Publication number: 20040229061Abstract: A method for producing a photostimulable phosphor represented by a following General Formula (1), includes subjecting phosphor particles in the photostimulable phosphor to a surface treatment by using a fluorine-containing compound after calcining the phosphor particles: General Formula (1), (Ba1-x M1) FBryI1-y X:aM2, bLn, cO wherein M1 is at least one alkaline earth metal atom selected from Mg, Ca, Sr, Zn and Cd; M2 is at least one alkaline metal atom selected from Li, Na, K, Rb and Cs; X is at least one halogen atom selected from Cl, Brand I; Ln is at least one rare earth atom selected from Ce, Pr, Sm, Eu, Gd, Tb, Tm, Dy, Ho, Nd, Er and Yb; and x, y, a, b and c are numbers within the range of 0≦x≦0.3, 0≦y≦0.3, 0≦a≦0.05, 0<b≦0.2 and 0<c≦0.1, respectively.Type: ApplicationFiled: March 17, 2004Publication date: November 18, 2004Inventors: Natsuki Kasai, Takehiko Shoji
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Patent number: 6800325Abstract: The invention relates to a method of producing an interior fitment for motor vehicles, the interior fitment having on its facing side a wood molding which is provided with a coating. In order to impart a substantially natural impression to the interior fitment, the invention proposes applying to the wood molding a coating material based on vegetable-oil-modified resins and natural vegetable oils, with the addition to the coating material of ceramic microparticles. Likewise proposed is an interior fitment produced preferably by this method.Type: GrantFiled: June 24, 2002Date of Patent: October 5, 2004Assignee: Erwin Behr Automotive GmbHInventors: Martin Ehrath, Christian Hoering
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Patent number: 6787489Abstract: An absorbent mixture consisting of an absorbent such as sodium or potassium polyacrylate, a fluent wax and a channeling agent. A product consisting of a porous member containing a mixture including an absorbent such as sodium or potassium polyacrylate, a fluent wax and a channeling agent.Type: GrantFiled: December 12, 2001Date of Patent: September 7, 2004Assignee: Multisorb Technologies, Inc.Inventors: Louis Patrone, Paul A. Riemenschneider
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Patent number: 6746736Abstract: The present invention is a composition for use as an oil and grease resistant coating for packaging materials including a radiation sensitive monomer; a photopolymerization initiator; and an additive, wherein the additive preferably is a chlorinated paraffin. Preferably, the composition is used to treat the surface of a paper or paperboard substrate and the substrate preferably is used subsequently in the manufacture of packaging materials, such as pet food bags.Type: GrantFiled: March 2, 2001Date of Patent: June 8, 2004Assignee: Actinic, Inc.Inventors: Timothy Jon Leeper, Joy Michelle Thomas
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Publication number: 20030224192Abstract: The present invention aims to provide an process for image formation using an electrophotographic image-receiving sheet having excellent anti-offset properties, adhesion resistance, paper transport properties and gloss, and being resistant to cracks, and able to form a high-definition image. For this purpose, there is provided an electrophotographic image-receiving sheet which includes a toner image-receiving layer containing at least a thermoplastic resin and natural wax having an light transmittance of 78% or less, on a support having an light transmittance of 30% or less, and an process for image formation using this electrophotographic image-receiving sheet.Type: ApplicationFiled: April 17, 2003Publication date: December 4, 2003Applicant: FUJI PHOTO FILM CO., LTD.Inventors: Yoshio Tani, Yoshisada Nakamura, Yasuo Sakaguchi
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Patent number: 6656857Abstract: A composite barrier membrane coated on a substrate and membrane is formed by phase inversion technique utilizing a water-insoluble wax and a water-insoluble polymer dissolved in a solvent. The barrier membrane coated upon the substrate is used to control transmembrane transport of a liquid and a gas. The substrate can be a starch based food package material, a protein based food package materials, a natural fabric, a synthetic fabric, or a paper product.Type: GrantFiled: March 1, 1999Date of Patent: December 2, 2003Assignee: Natural Polymer International CorporationInventor: Kangzhuang Jian
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Patent number: 6641909Abstract: A method of forming a structural member from hemp hurd and the structural member produced which is substantially free of hemp bats fibers is made by providing hemp stalks which have been decorticated and hurd material is divided into hurd strands which are then mixed with a binder and then pressed into a structural member. The hemp hurd strands can be mixed with wood strands to form wood/hurd structural members.Type: GrantFiled: June 11, 2002Date of Patent: November 4, 2003Assignee: Alberta Research Council Inc.Inventor: Wayne Wasylciw
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Patent number: 6586516Abstract: The present invention relates to an aqueous coating composition having low volatile organic compounds (VOC) and producing a coating having excellent durability and resistance properties. The coating composition contains acetoacetate functional polymer and divalent metal ions. Coating compositions of the present invention are particularly useful in ink, polish and coating compositions where a tough, resistant coating is required. The coating composition can be used on various substrates such as floors, walls wood, metal, plastic, stone, paper, leather and concrete.Type: GrantFiled: October 4, 1996Date of Patent: July 1, 2003Assignee: Rohm and Haas CompanyInventors: Mark Alan Kesselmayer, Theodore Tysak, Matthew Stewart Gebhard, Min-Chi Tsai von Trentini
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Patent number: 6573203Abstract: The present invention may provide a towel desirably including first and second layers having cellulosic fibers and a repellant agent. The first and second layers may substantially sandwich a third layer having cellulosic fibers with higher absorbency than the first and second layers. All three layers may form a single ply.Type: GrantFiled: July 15, 1998Date of Patent: June 3, 2003Assignee: Kimberly-Clark Worldwide, Inc.Inventors: Wesley James McConnell, Jay Chiehlung Hsu, Joseph Mitchell
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Patent number: 6294265Abstract: Composite cellulose containing materials which are waterproof and biodegradable are produced which consist essentially of cellulose and hydrophobic polymer-based composition in the amount about 4 to 40 wt %. The polymer-based composition comprises first polymer, which is partially saponified polyvinyl acetate, second polymer, which functions as plasticizer for improving elasticity of the first polymer and cross-linking agent, which is capable to cross-link the first polymer. The polymer-based composition may additionally contain environmentally friendly hydrophobizators, fillers and pigments.Type: GrantFiled: September 23, 1999Date of Patent: September 25, 2001Assignee: Rademate Ltd.Inventors: Michael Ioelovich, Oleg Figovsky
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Patent number: 6183849Abstract: A quality composite board can be manufactured by combining natural fibrous material, resin and a waxy hydrocarbonaceous material wherein the waxy hydrocarbonaceous material is a natural, synthetic or petroleum wax containing from greater than 30 wt % to up to 98 wt % oil content.Type: GrantFiled: September 17, 1999Date of Patent: February 6, 2001Assignee: Exxon Research and Engineering CompanyInventors: Alan R. Lindsay, John A. Ciruna
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Patent number: 6132885Abstract: A single package, ready-to-use (RTU) resin/wax emulsion adhesive and a method of preparing the same by heating a thermosetting resin and adjusting the pH of the wax emulsion prior to combining the resin and wax emulsion. The use of the adhesive in making bonded composites such as wood products, including oriented strand board (OSB), parallel strand lumber, wafer board and particle board composites.Type: GrantFiled: March 3, 1997Date of Patent: October 17, 2000Assignee: Georgia-Pacific Resins, Inc.Inventors: Brian M. Peek, Barry W. Sewell, Roger Scott Johnson, Daniel DiCarlo
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Patent number: 6028133Abstract: A phenolic resin modified with an alkali salt of sulfite or bisulfite in order to provide compatibility with a wax emulsion sizing agent, an adhesive prepared from the phenolic resin and wax emulsion, and the use of the adhesive in making bonded composites such as wood products, including, parallel strand lumber, oriented strand board (OSB), laminated veneer lumber (LVL), medium density fiberboard, wafer board and particle board, and textile products.Type: GrantFiled: March 20, 1998Date of Patent: February 22, 2000Assignee: Georgia-Pacific Resins, Inc.Inventors: Brian M. Peek, Barry W. Sewell
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Patent number: 5955203Abstract: There is disclosed a resin-coated overlay for bonding to solid substrates, and which imparts improved waterproofing and chemical resistance to the resulting resin-coated overlaid solid substrate. Depending upon the desired end use of resin-coated overlaid solid substrate, the resin-coating may be modified to impart desirable surface features and/or characteristics. For example, additives such as waxes, oils, silicones, fluorocarbons and fatty acid compounds may be used to promote the release of concrete from forms made of solid substrates overlaid with the resin-coated overlays of the present invention. Moreover, resin-coated overlaid solid substrates may be produced having a surface which is suitable for painting and which accepts application of various tape products. Other modifications are disclosed which can be used to gain desirable cure speed, cost, and chemical/mechanical properties in the resin-coating.Type: GrantFiled: October 5, 1994Date of Patent: September 21, 1999Assignee: Simpson Timber CompanyInventors: William Scott Briggs, Stephen James Tellman
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Patent number: 5830809Abstract: Method and assembly for reinforcing flexible graphite by fusion bonding a film of thermoplastic polymer to the flexible graphite to form a laminiated product. One side of the thermoplastic polymer is raised to its softening temperature to cause it to bond to the flexible graphite while the opposite side thereof is maintained at a temperature below its softening point.Type: GrantFiled: July 3, 1996Date of Patent: November 3, 1998Assignee: UCAR Carbon Technology CorporationInventors: Ronald Albert Howard, Robert Angelo Mercuri
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Patent number: 5750237Abstract: A recyclable double-faced liner bard, the board having a top layer, a medium corrugated layer, and a bottom layer, the top layer having a coating formed from an aqueous composition comprising (A) an emulsion of a curable butadience-styrene copolymer and (B) TiO.sub.2, the medium layer having a coating formed from an aqueous composition containing an emulsion of wax particles and a binder (preferably sodium alginate); and the bottom layer having a coating formed from an aqueous composition comprising about 10 to 85 percent by weight of a liquid curable styrene-butadiene copolymer (or a carboxylated copolymer) and wax.Type: GrantFiled: May 31, 1995Date of Patent: May 12, 1998Assignee: Dallas Enviro-Tek International, Inc.Inventors: Gaylord Allin, Mark Gorham
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Patent number: 5744240Abstract: An intermediate clear barrier coat is composed of at least one polymer or oligomer or combination in an aqueous or organic solvent carrier. This layer is placed between a basecoat layer containing pigment and a low VOC clearcoat layer and inhibits the components of the low VOC clear topcoat from inducing a shift of color in the basecoat.Type: GrantFiled: October 4, 1996Date of Patent: April 28, 1998Assignee: BASF CorporationInventors: Matthew T. Lane, David Braun
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Patent number: 5712042Abstract: Two liners are provided: one for containers with dry contents, one for containers with liquid contents.The liner for dry contents has layers pulp/foil/wax/paper/heat seal, which are laminated and placed into a closure. The closure is mounted on a container neck, after which an induction heating process is carried out. After induction, the pulp and foil layers remain in the closure while the wax layer is absorbed into the paper layer and stays on the container neck along with the heat seal layer.The liner for liquid contents is composed of pulp/foil/polyester/wax/paper/polyester/heat seal. This liner, which is also laminated, is placed into a closure and mounted to a container neck. Following an induction heating process, a pulp/foil/polyester laminate remains on the closure while the paper/wax layer (wherein the wax has been absorbed by the paper) remains on the container neck along with a polyester layer and the heat seal layer.Type: GrantFiled: April 17, 1995Date of Patent: January 27, 1998Assignee: Kerr Group Inc.Inventor: Michael R. Cain
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Patent number: 5512378Abstract: Thin-walled biodegradable starch-based articles, particularly sheets of film including at least one first layer of polymeric material including starch and at least one second layer of hydrophobic material, are characterized in that the second layer includes a natural or synthetic wax or mixture of waxes.Type: GrantFiled: January 23, 1995Date of Patent: April 30, 1996Assignee: Novamont S.p.A.Inventors: Catia Bastioli, Giancarlo Romano, Mario Scarati, Maurizio Tosin
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Patent number: 5501902Abstract: A portable material having first and second surfaces, which printable material includes a first layer defining the first surface and a second layer defining the second surface. The second layer includes particles of a thermoplastic polymer having largest dimensions of less than about 50 micrometers and from about 10 to about 50 weight percent of a film-forming binder, based on the weight of the thermoplastic polymer. When the second layer has a melting point of from about 65 to about 180 degrees Celsius, the printable material is suitable for use as a heat transfer material. Desirably, the second layer also contains from about 2 to about 20 weight percent of a cationic polymer, based on the weight of the thermoplastic polymer. Other components which can be contained in the second layer include from about 1 to about 20 weight percent of a humectant; from about 0.2 to about 10 weight percent of an ink viscosity modifier; from about 0.1 to about 5 weight percent of a weak acid; and from about 0.Type: GrantFiled: June 28, 1994Date of Patent: March 26, 1996Assignee: Kimberly Clark CorporationInventor: Francis J. Kronzer
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Patent number: 5487950Abstract: The invention relates to the lacquering of polar film substrates with a coating system consisting of several components, the single application of material resulting in a multilayer structure of the lacquer coat. The coating system is preferably aqueous and free from organohalogen and results in an improved barrier action of the films against water vapor.Type: GrantFiled: February 3, 1994Date of Patent: January 30, 1996Assignee: Wolff Walsrode AktiengesellschaftInventors: Gunter Weber, Ulrich Reiners, Sebastian Meyer-Stork
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Patent number: 5486436Abstract: A web or sheet product is provided which is coated on at least a portion of its surface with a bond-enabling material for adhering toner particles, on the surface of the sheet. The sheet product can be used as a mailer or confidential form which is sealed using toner particles as the adhesive. The bond-enabling material may be a polymer which is coated on the sheet as a liquid and then cured to form a film on the surface of the sheet. The bond-enabling material is resistant to melting or degrading when exposed to temperatures used for fusing toner particles, and additionally may act as a tie coat to enhance the adhesion of toner particles to the surface of the sheet. The bond-enabling material may be coated on the peripheral edges of the sheet, and toner particles are printed over the bond-enabling material on the peripheral edges of the sheet. The sheet is folded and sealed by the application of heat and pressure to the edges of the sheet.Type: GrantFiled: October 15, 1993Date of Patent: January 23, 1996Assignee: The Standard Register CompanyInventor: A. Dale Lakes
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Patent number: 5418042Abstract: Improved image receiving elements for nonimpact printing comprising a support and an image receiving layer, said image receiving layer comprising a whitening agent and a binder, said binder consisting essentially of 10-25% gelatin and 75-90% water soluble, film forming acrylic polymer are disclosed.Type: GrantFiled: January 6, 1994Date of Patent: May 23, 1995Assignee: E. I. Du Pont de Nemours and CompanyInventors: James H. Thirtle, Steven J. Morganti, John H. Bayless, Jr.
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Patent number: 5242739Abstract: An image-receptive heat transfer paper which includes: (a) a flexible cellulosic nonwoven web base sheet having top and bottom surfaces; and (b) an image-receptive melt-transfer film layer overlaying the top surface of the base sheet, which film layer is composed of from about 15 to about 80 percent by weight of a film-forming binder and from about 85 to about 20 percent by weight of a powdered thermoplastic polymer, wherein each of the film-forming binder and the powdered thermoplastic polymer melts in the range of from about 65 to about 180 degrees Celsius and the powdered thermoplastic polymer consists of particles which are from about 2 to about 50 micrometers in diameter.Type: GrantFiled: October 25, 1991Date of Patent: September 7, 1993Assignee: Kimberly-Clark CorporationInventors: Frances J. Kronzer, Edward A. Parkkila, Jr.
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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: 5126174Abstract: A food packaging material that has a plurality of porous polymeric beads impregnated with an anti-oxidant, or oxygen scavenger compound.Type: GrantFiled: May 7, 1991Date of Patent: June 30, 1992Assignee: Wm. Wrigley Jr. CompanyInventors: Steven B. Courtright, Gordon N. McGrew, Lindell C. Richey
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Patent number: 5073457Abstract: Repositionable adhesives which display surprising latent permanent adhesive properties are described herein. These adhesives are comprised of acrylic pressure sensitive resins. These pressure-sensitive adhesive resins can be either solvent based or water based. In the case of a solvent-based adhesive system, paraffin wax is used, while in the water-based systems, latex emulsions of polyethylene are preferred.Type: GrantFiled: May 17, 1990Date of Patent: December 17, 1991Assignee: Minnesota Mining and Manufacturing CompanyInventor: Elmer Blackwell