Fiber-containing Wood Product (e.g., Hardboard, Lumber, Or Wood Board, Etc.) Patents (Class 428/292.4)
  • Publication number: 20100300030
    Abstract: Building panels with a homogenous decorative surface having a wear layer including fibres, binders and wear resistant particles.
    Type: Application
    Filed: November 13, 2008
    Publication date: December 2, 2010
    Applicant: VALINGE INNOVATION BELGIUM BVBA
    Inventors: Darko Pervan, Kent Lindgren, Eddy Boucké, Jan Jacobsson, Niclas Hakansson, Göran Ziegler
  • Patent number: 7838104
    Abstract: Disclosed is a multilayer film or sheet, which comprises at least one vapor barrier layer and at least one vapor transmission-adjusting layer wherein the vapor transmission-adjusting layer comprises a neutralized acid copolymer or ionomer thereof, an organic acid, and optionally other polymers, having a ratio of wet cup permeance to dry cup permeance greater than 10. The vapor barrier layer comprises ethylene polymer, propylene polymer, polyvinyl alcohol, polyamide, polyester, ethylene vinyl alcohol copolymer, polyvinylidene chloride, PVC, or combinations of two or more thereof. The film is useful as a variable vapor barrier for moisture control of buildings. Also disclosed are articles comprising the multilayer film.
    Type: Grant
    Filed: December 10, 2007
    Date of Patent: November 23, 2010
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: John Chu Chen, Donna Lynn Visioli
  • Publication number: 20100285295
    Abstract: The present disclosure relates to additives used in conjunction with adhesives to give enhanced performance. Engineered composite wood materials and methods of making such materials are also provided by the subject application. A reinforced adhesive includes an adhesive and an additive material comprising nanoscopic and microscopic materials.
    Type: Application
    Filed: December 19, 2008
    Publication date: November 11, 2010
    Applicant: UNIVERSITY OF TENNESSEE RESEARCH FOUNDATION
    Inventors: Siqun Wang, Cheng Xing
  • Patent number: 7820287
    Abstract: A thin abrasion resistant decorative thermosetting laminate of postforming quality is glued to a longitudinal carrier. The carrier preferably consists of a fiber board or a particle board with a rectangular cross section and at least two opposite rounded-off edges. One or more floor strips with the same or different cross section is machined from the laminate clad carrier.
    Type: Grant
    Filed: July 21, 2004
    Date of Patent: October 26, 2010
    Assignee: Pergo AG
    Inventors: Sven Kornfält, Per Bengtsson, Hans Sjölin
  • Publication number: 20100266807
    Abstract: A hard wood strand lumber or board product including strands of one or more eucalypts bonded together with a binder including an isocyanate resin.
    Type: Application
    Filed: May 7, 2010
    Publication date: October 21, 2010
    Applicant: LIGNOR LIMITED
    Inventors: Peter Edward BURTON, Graham Thomas COULTHARD
  • Patent number: 7781052
    Abstract: In making a particle board by forming a mat from particles obtained from a wooden material and pressing the mat, a particle board light in weight and excellent in strength, dimensional stability and surface properties can be made at a low cost by using a wooden material of low specific gravity and carrying out the press of the particle board with a high compression ratio in mat thickness before and after the press.
    Type: Grant
    Filed: May 30, 2005
    Date of Patent: August 24, 2010
    Assignee: Sumitomo Forestry Co., Ltd.
    Inventors: Go Matsufuji, Kenji Ogura, Toshio Yasuda
  • Publication number: 20100209660
    Abstract: A wood composite material comprises wood strands disposed in surface layers and one or more core layers, wherein about 70 wt % to about 98 wt % of the wood strands of the first and second surface layers are comprised of a wood species that has a density greater than a density of a wood species from which about 70 wt % to about 98 wt % of the strands in the one or more core layers are stranded.
    Type: Application
    Filed: February 4, 2010
    Publication date: August 19, 2010
    Applicant: Huber Engineered Woods LLC
    Inventors: Eric N. Lawson, Nian-hua Ou, Brian M. Peek
  • Publication number: 20100143689
    Abstract: The present invention relates to a method for manufacturing a decorative panel, in which a core and a decorative layer, which decorative layer comprises radiation-curable components, are placed in a press and are pressed together therein under elevated temperature and pressure conditions. The present invention further relates to a decorative panel comprising a core provided with a decorative layer, which decorative layer comprises a radiation-curable component.
    Type: Application
    Filed: May 30, 2008
    Publication date: June 10, 2010
    Inventors: Wilhelmus Josephus Alex Van De Wall, Irma Vogels-Jansen
  • Publication number: 20100068451
    Abstract: A building product includes a wood facing layer and a composite substrate backing layer connected to a bottom face of the wood facing layer. Cooperating tongue and groove connectors with locking teeth allow two or more building products to be interconnected in an efficient and effective manner.
    Type: Application
    Filed: September 17, 2009
    Publication date: March 18, 2010
    Inventors: David Richard Graf, Gregory P. Graf
  • Patent number: 7674522
    Abstract: The invention relates to wood fiber insulating material boards and mats, in which the wood fibers and the binder fibers are aligned three-dimensionally. The fleece of wood fibers and binder fibers can alternatively have synthetic resin granules scattered on it. Likewise, a woven fabric or a film can be applied to one or both sides. The product obtained in this way is heated in a heating/cooling oven, calibrated and/or compacted to the desired final thickness.
    Type: Grant
    Filed: December 21, 2005
    Date of Patent: March 9, 2010
    Assignee: Kronotec AG
    Inventor: Cevin Marc Pohlmann
  • Patent number: 7662457
    Abstract: Disclosed is a wood composite material comprising: wood strands disposed in surface layers and one or more core layers, whereby an intermediate density divides the wood strands so that the two surface layers of strands are more dense than the intermediate density, and the one or more core layers of the strands are less dense than the intermediate density, and wherein the core layer contains at least about 70 wt % of the strands that are less dense than the intermediate density; and the surface layers contain at least about 70 wt % of the strands that are more dense than the intermediate density.
    Type: Grant
    Filed: June 26, 2006
    Date of Patent: February 16, 2010
    Assignee: Huber Engineered Woods LLC
    Inventors: Eric N. Lawson, Nian Ou, Brian M. Peek
  • Publication number: 20100035015
    Abstract: A wood composite including a reinforced laminate for overcoming interlaminate shear failure includes the use of an adhesive to form a strong mechanical bond between the adhesive and the wood and a strong chemical bond between the adhesive and the reinforced laminate. The reinforcement is a fiber reinforced polymer (FRP) composite comprising a thermoset polyurethane resin matrix. An emulsion polymer isocyanate (EPI) adhesive is used to bond the FRP composite to wood.
    Type: Application
    Filed: August 10, 2009
    Publication date: February 11, 2010
    Inventors: David E. Green, Robert Bertram
  • Publication number: 20100035017
    Abstract: A composite fiber and resin reinforcement for strength members for use in the composite wood industry. The composite fiber and resin reinforcement is a fiber reinforced polymer (FRP) composite comprising a thermoset polyurethane resin matrix and a plurality of fibers. Typical uses will be as a reinforcing material for wood laminates, such as wood support beams (glulam), truck floors and truss fabrication.
    Type: Application
    Filed: August 10, 2009
    Publication date: February 11, 2010
    Inventor: David E. Green
  • Publication number: 20100015390
    Abstract: A wood composite board comprising balsam fir strands is disclosed.
    Type: Application
    Filed: July 13, 2009
    Publication date: January 21, 2010
    Applicant: HUBER ENGINEERED WOODS LLC
    Inventors: Jianhua PU, Eric N. LAWSON
  • Publication number: 20090297818
    Abstract: In one aspect, the invention includes an aqueous composition for coating articles including isocyanate resins. The coating composition includes from about 50% to about 100% by weight of at least one thermoplastic acrylic polymer; from about 0.1% to about 20% by weight titanium dioxide; and water. The composition has a basic pH, a solids ratio of from about 58% to about 69% by weight, and is substantially free of quartz pigments.
    Type: Application
    Filed: May 29, 2008
    Publication date: December 3, 2009
    Applicant: JELD-WEN, inc.
    Inventors: Dale Williams, Ali Raza
  • Patent number: 7625631
    Abstract: Disclosed is a wood panel comprising bamboo strands cut from the inner portion of the bamboo culm.
    Type: Grant
    Filed: August 31, 2005
    Date of Patent: December 1, 2009
    Assignee: Huber Engineered Woods LLC
    Inventors: Nian-hua Ou, Hsiang-kuen Mao
  • Publication number: 20090291286
    Abstract: A laminate manufacturing system, method, and article of manufacture, the article of manufacture having a core of fresh or green wood and/or recycled wood products, processed down to a particle size of less than 5 mm, and preferably less than 3 mm, and bonded together with glue, opposing surface inner veneer bonded to opposing surfaces of the core with glue, opposing surface outer veneer bonded to opposing surface inner veneer with glue, opposing edge veneer bonded to opposing edges of the core with glue. Each of the veneers is preferably 0.5 mm thick, although suitable veneer thicknesses may range from 0.3 to 0.5 mm. The article of manufacture thus produced is a laminated wood product having a particle to glue ratios that provides a durable, lightweight, strong attractive product that gives the appearance of wood.
    Type: Application
    Filed: March 4, 2009
    Publication date: November 26, 2009
    Inventor: Ziming Shen
  • Patent number: 7588832
    Abstract: The technical problem of the invention is to improve the wetting of wood fibers with a binding agent. This technical problem is solved according to the present invention by a device for wetting wood fibers (10, 109) with a binding fluid, with a transport pipe (16, 105) for transporting the wood fibers (10, 109), with a fan (14, 106) for generating a transport air current, with a guide tube (17, 109) connected to the transport pipe (16, 105), with a fan (20, 110) for generating a conveying air current in the guide tube (17, 109), with means (27, 12) for supplying the binding fluid in the guide tube (17, 109). The invention also relates to a process for wetting wood fibers with a binding fluid.
    Type: Grant
    Filed: November 4, 2002
    Date of Patent: September 15, 2009
    Assignee: Fritz Egger GmbH & Co.
    Inventors: Walter Schiegl, Holger Reinecke, Michael Himmelreich, Hans-Dieter Kehrmann
  • Patent number: 7553538
    Abstract: In one embodiment, a fire retardant composite panel material is fabricated. A water-based slurry comprising partially soluble boric acid and borax pentahydrate solids is created. An adhesive used in the composite panel fabrication process is added to fibers. The water-based slurry is separately added to the adhesive and, after mixing, to the fibers. The composite panel produced thereby is also described.
    Type: Grant
    Filed: July 19, 2005
    Date of Patent: June 30, 2009
    Assignee: Sierra Pine LTD
    Inventor: Graham Hume
  • Patent number: 7547488
    Abstract: An oriented strand board panel and a method for making the same are provided. The OSB panel has at least three layers, namely, a top surface layer, a core layer, and a bottom surface layer. A first cover layer may be provided on the top surface layer. Likewise, a second cover layer may be provided underneath the bottom surface layer. The first cover layer and/or the second cover layer may have a smaller strand angle, defined by an average deviation of strands from a longitudinal axis, than the top surface layer and the bottom surface layer. The smaller strand angles for the first cover layer and/or the second cover layer provide the OSB panel with greater stiffness and strength along the strong direction of the panel without significant compromise of strength and/or stiffness in the weak direction of the panel.
    Type: Grant
    Filed: December 15, 2004
    Date of Patent: June 16, 2009
    Assignee: Weyerhaeuser NR Company
    Inventors: Alkiviades G. Dimakis, Roger M. Shantz
  • Patent number: 7537826
    Abstract: Cellulosic or lignocellulosic materials, and compositions and composites made therefrom, are disclosed.
    Type: Grant
    Filed: June 21, 2006
    Date of Patent: May 26, 2009
    Assignee: Xyleco, Inc.
    Inventors: Marshall Medoff, Arthur P. Lagace
  • Patent number: 7524554
    Abstract: A method of producing a synthetic board involves the step of heat-pressing a mixture. The mixture includes lignocellulosic material containing lignocellulose and polybutylene succinate-based resin serving as an adhesive.
    Type: Grant
    Filed: April 13, 2007
    Date of Patent: April 28, 2009
    Assignees: Mitsubishi Jidosha Kogyo Kabushiki Kaisha, Aichi Prefecture
    Inventors: Yasuo Takasu, Isoko Takahashi, Isamu Terasawa, Junichi Noguchi, Kazunori Tsuneoka
  • Publication number: 20090061189
    Abstract: A composite engineered wood panel comprising a top surface layer and a bottom surface layer. The layers comprise amounts of lignocellulosic material with particular densities. The bottom layer comprises more lignocellulosic material and lignocellulosic material moisture in amounts effective to produce an essentially symmetrical vertical density profile through the panel upon consolidation of a formed panel. The panel can further comprise at least one core layer. The top surface layer preferably comprises primarily softwood, and the other layers preferably comprise primarily hardwood. Also disclosed is a method of making the panel.
    Type: Application
    Filed: August 28, 2007
    Publication date: March 5, 2009
    Applicant: HUBER ENGINEERED WOODS LLC
    Inventors: Nianhua Ou, Jason Corey Tolar, Thomas Leon Lee, JR., Timothy William Romans
  • Publication number: 20090042003
    Abstract: A ply material comprising laminated plies of wood and/or bamboo affixed together by a layer of biodegradable soy protein resin fiber structures impregnated with soy protein resin.
    Type: Application
    Filed: March 30, 2008
    Publication date: February 12, 2009
    Inventors: Patrick Govang, Jason Salfi, Anil Netravali
  • Publication number: 20090042010
    Abstract: A structure comprising a softwood-ceiling/hardwood-floor formed of a single set of adjacent boards. Each of the boards including a hardwood layer bonded to a softwood layer, the board having a first edge and a second edge, the first edge having a tongue, the second edge having a groove, the first edge having a first chamfer on the softwood layer, the second edge having a second chamfer on the softwood layer. All boards securely attached to carrying beams that span the walls between two levels within a building.
    Type: Application
    Filed: August 8, 2007
    Publication date: February 12, 2009
    Inventor: Thomas Spencer Stanhope
  • Patent number: 7473455
    Abstract: The present invention provides a manufacture method for processing bamboo timber into high strength and xylon type bamboo timber methods for rearranging bamboo timber fibers, and articles formed of the xylon type bamboo timber.
    Type: Grant
    Filed: September 30, 2005
    Date of Patent: January 6, 2009
    Inventors: Xiongwei Wang, Xionghui Wang, Hisako Igawa
  • Patent number: 7470463
    Abstract: Cellulosic or lignocellulosic materials, and compositions and composites made therefrom, are disclosed.
    Type: Grant
    Filed: June 21, 2006
    Date of Patent: December 30, 2008
    Assignee: Xyleon, Inc.
    Inventors: Marshall Medoff, Arthur P. Lagace
  • Patent number: 7467688
    Abstract: A multi-composite acoustic panel for application to walls or ceilings. The panel is made from 15 to 65% of particles of sawdust with a granulometry of 4 to 60 mesh, 25 to 75% of rubber crumb or other petroleum derivatives or recycled rubber with a granulometry of 4 to 30 mesh and 3 to 20% of a polyurethane elastomer binder, the percentages being expressed by weight with relation to the total weight of the panel. In use the rubber acts as an anti-vibration element and the sawdust acts as an acoustic energy absorber as this type of fibre is hollow-centered which permits an absorption role which the rubber particle does not have. Said particle has the ability to reduce an impact.
    Type: Grant
    Filed: January 28, 2004
    Date of Patent: December 23, 2008
    Assignee: Royal Mat Inc.
    Inventor: Robert Ducharme
  • Publication number: 20080308187
    Abstract: A laminated wood bat having may comprise wedges of wood adhered together in such a manner that the entire surface or sections of the surface of the bat barrel, throat, and handle have the tight grain of the normal hitting surface. Adjacent wedges of wood may be cut from the same strip of wood. The bat may be glued together with a low viscosity polyurethane adhesive.
    Type: Application
    Filed: December 21, 2007
    Publication date: December 18, 2008
    Inventor: Ward A. R. Dill
  • Patent number: 7459206
    Abstract: A wood composite panel includes bamboo strands cut from the outer cutinized portion of the bamboo culm and bound together with an isocyanate binder resin.
    Type: Grant
    Filed: August 31, 2005
    Date of Patent: December 2, 2008
    Assignee: Huber Engineered Woods LLC
    Inventor: Nian-hua Ou
  • Patent number: 7431979
    Abstract: A wood fiberboard, in particular floor panel including an HDF support board with a top side and an underside, the top side having a decoration, preferably a wood or tile decoration, is distinguished in that the decoration is printed directly onto the top side of the support board and is covered by at least one layer of a transparent synthetic resin.
    Type: Grant
    Filed: October 31, 2003
    Date of Patent: October 7, 2008
    Assignee: Kronotec AG
    Inventor: Thomas Grafenauer
  • Publication number: 20080241498
    Abstract: A lignocellulose-based molded product is made by mixing furan resin with steam-treated lignocellulose-based material, and molding the resulting mixture by applying heat and pressure.
    Type: Application
    Filed: March 4, 2008
    Publication date: October 2, 2008
    Inventors: Isamu Terasawa, Kazunori Tsuneoka, Junichi Noguchi, Yasuto Kondo, Takuya Murashita
  • Patent number: 7422787
    Abstract: Oriented strand board (OSB), comprising a core layer and two face layers, whereby the face layers comprise an adhesive composition, wherein the adhesive composition in at least one of the face layers comprises a resin composition comprising melamine, formaldehyde, optionally urea and aromatic hydroxyl compounds, wherein the molar ratio of melamine to formaldehyde is 1:0.8-4.0, the molar ratio of melamine to urea is 1:0-2.0 and the molar ratio of melamine to aromatic hydroxyl compounds is 1:0-2.0. In a preferred embodiment, both the face layers and the core layer comprise the said adhesive composition. The OSB's according to the invention can meet the OSB/3 and even the OSB/4 requirements in the EN 300 standards.
    Type: Grant
    Filed: June 28, 2004
    Date of Patent: September 9, 2008
    Assignees: DSM IP Assets B.V., Dynea Oy
    Inventors: Lars Evers, Rodolphus Antonius Theodorus Maria Benthem, Van, Jozef Maria Johannes Mattheij, Jose Guadalupe Gomez Bueso, Jacobus Adriaan Antonius Vermeulen
  • Patent number: 7410688
    Abstract: A composite board comprising a core and a paper facer sheet adhesively laminated to one face of the core, the core including a mixture of perlite, binder, and cellulose fiber, the core being formed as a water slurry with said perlite, binder and cellulose fiber being uniformly distributed therein, the perlite being in an expanded state such that its particles include internal voids and exhibit a density of about 5 to about 15 pounds per cubic foot and being present in sufficient quantity to occupy in bulk at least 50% of the volume of the core, on a weight basis, the perlite and cellulose fiber combined forming at least 25% of the weight of the core.
    Type: Grant
    Filed: August 24, 2005
    Date of Patent: August 12, 2008
    Assignee: USG Interiors, Inc.
    Inventor: Mirza A. Baig
  • Patent number: 7410687
    Abstract: Embodiments of the invention include a composite. The composite includes a crystalline polymer, a plurality of wood fibers blended with the crystalline polymer, an outer surface, and an amorphous polymer visible on the outer surface. The amorphous polymer has a first color and the blend of the crystalline polymer and the plurality of wood fibers has a second color different from the first color. The invention also includes a method of manufacturing the wood-plastic composites such that one polymer is shifted in the composite relative to the other polymer.
    Type: Grant
    Filed: June 8, 2004
    Date of Patent: August 12, 2008
    Inventor: Blair Dolinar
  • Patent number: 7408056
    Abstract: Cellulosic or lignocellulosic materials, and compositions and composites made therefrom, are disclosed.
    Type: Grant
    Filed: July 27, 2006
    Date of Patent: August 5, 2008
    Assignee: Xyleco, Inc.
    Inventors: Marshall Medoff, Arthur P. Lagace
  • Publication number: 20080176057
    Abstract: An object of the invention is to provide an inorganic board excellent in water absorption resistance, dimensional stability and/or frost damage resistance, and a method for producing the same. The inorganic board is produced through the following processes: preparing a slurry by dispersing a cement-based hydraulic material and a refined fiber reinforcing material into water, adding a saturated carboxylic acid to the slurry, and then the slurry is subjected to the steps of sheetmaking, dehydration, pressing and curing. The inorganic board comprising a refined fiber reinforcing material at 1-30 weight % based on the total solid content and a saturated carboxylic acid at 0.1-2.0% based on the total solid content.
    Type: Application
    Filed: October 17, 2007
    Publication date: July 24, 2008
    Applicant: NICHIHA CORPORATION
    Inventor: Masanori Ukai
  • Publication number: 20080145637
    Abstract: A color stabilized composite material combines polymers with cellulosic natural fibers or wood or wood based composite materials to manufacture an array of products for both indoor and outdoor applications. The invention provides the means to enhance the color stability of such products from the negative effects of ultraviolet radiation and weather in addition to improving the physical properties of the overall fiber-polymer matrix. In one aspect, the invention provides a composite material including a natural fiber, such as wood flour, and a polymer resin, wherein the natural fiber has been pretreated with a bleaching or oxidizing agent.
    Type: Application
    Filed: October 26, 2005
    Publication date: June 19, 2008
    Inventor: Thomas P. Frank
  • Publication number: 20080057137
    Abstract: A method of delivering and retaining zinc borate within a wet process hardboard is disclosed wherein process parameters are controlled and the borate is included in the overlay slush process of wet board processing.
    Type: Application
    Filed: August 30, 2006
    Publication date: March 6, 2008
    Inventors: John M. Joyce, Clemente R. Diaz, Simon Fitzgerald
  • Publication number: 20080044636
    Abstract: There is provided a fiberboard, such as a MDF fiberboard or a HDF fiberboard, comprising wood fibers, a binder, and a sludge such as a pulp and a paper sludge. The sludge can be, for example, chosen from a primary pulp and paper sludge, a secondary pulp and paper sludge, a de-inking sludge, and mixtures thereof.
    Type: Application
    Filed: August 17, 2007
    Publication date: February 21, 2008
    Inventors: Yves Charest, Andre Verville
  • Publication number: 20080023868
    Abstract: Bamboo building material and process of manufacture therefor. The material includes a plurality of layers each formed of bamboo segments which have been dried and glue coated. The segments are substantially free of outer nodes and husk and inner membrane material prior to application of glue. The longitudinal axes of the segments in each layer are generally parallel to one another, each layer having segments oriented generally orthogonally with respect to the next adjacent layers thereto. The layers of segments being compressed and bonded together until the glue cures into a single integral structure.
    Type: Application
    Filed: February 13, 2007
    Publication date: January 31, 2008
    Applicants: Madison Insurance Trust, Newcore, L.P.
    Inventors: Leland Slaven, Morton A. Siegler
  • Publication number: 20080014428
    Abstract: Fibrous structures, especially fibrous structures that exhibit softness and strength, sanitary tissue products employing such fibrous structures and methods for making such fibrous structures are provided. More particularly, fibrous structures that have a long fiber furnish that comprises less than 10% by weight of fibers having a coarseness of less than 20 mg/100 m, sanitary tissue products employing such fibrous structures and methods for making such fibrous structures are provided.
    Type: Application
    Filed: June 20, 2007
    Publication date: January 17, 2008
    Inventors: Kenneth Douglas Vinson, Eric James Watkins, Dale Gary Kavalew
  • Patent number: 7316984
    Abstract: A textile product having arginine impared thereto; a process for producing the product; and a method for the pretreatment of a textile product. The textile product compensates for the water-retaining function of the horny layer and enhances metabolism. It hence has the effect of keeping the skin normal.
    Type: Grant
    Filed: April 27, 2001
    Date of Patent: January 8, 2008
    Assignee: Ajinomoto Co., Inc.
    Inventors: Ryouichi Higuchi, Nobuyoshi Kitamura, Sadakazu Hirose, Hideo Sukeda, Shiro Suzuki, Katsuya Anno
  • Publication number: 20070281145
    Abstract: The invention relates to an adhesive system comprising a protein and one or more polymers containing primary, secondary, or tertiary amino groups, or pendant amide groups. It also relates to a method of producing a laminated wood based product and a particle board.
    Type: Application
    Filed: May 25, 2007
    Publication date: December 6, 2007
    Applicant: AKZO NOBEL COATINGS INTERNATIONAL B.V.
    Inventor: Farideh Khabbaz
  • Publication number: 20070218148
    Abstract: Methods of treating wood lumber to inhibit growth of mold fungi by surface treating the wood lumber with an essential oil being geranium Egyptian, thyme, dill weed or rosemary. Various surface treatments include dipping, spraying, brushing and vapor exposure.
    Type: Application
    Filed: March 9, 2007
    Publication date: September 20, 2007
    Applicant: United States as represented by Secretary of Agriculture
    Inventors: Vina W. Yang, Carol A. Clausen
  • Patent number: 7262237
    Abstract: Curable urea formaldehyde binder compositions are provided which are useful in coated abrasive and wood engineering applications, in a time released fashion. The time released curable binder compositions include a urea formaldehyde resin and an aryl phosphite in varying concentrations. The curable binder compositions of the present invention provide desirable working times and faster curing times tinder ambient or near ambient conditions.
    Type: Grant
    Filed: June 24, 2004
    Date of Patent: August 28, 2007
    Assignee: Hexion Specialty Chemicals, Inc.
    Inventor: Jimmy Pingao Chen
  • Patent number: 7160606
    Abstract: A method of treating building materials with boron and boron treated building materials. The method involves introducing boron during manufacture of the building materials in the form of a water soluble copper-borate complex. The copper-borate complex enables a wider range of glues and adhesives to be used, is slower to leach out, and provides enhanced fungicidal properties.
    Type: Grant
    Filed: September 16, 2002
    Date of Patent: January 9, 2007
    Assignee: Genics Inc.
    Inventors: Wesley James Wall, Calvin Lee Michael Wall, Ryan George Smart
  • Patent number: 7157138
    Abstract: A fiber board, comprising: kenaf fibers having an average length of 10 to 200 mm and an average diameter of 10 to 300 ?m, and a thermosetting adhesive agent, the fiber board having a density of 600 to 900 kg/m3, being excellent in strength and moisture permeability.
    Type: Grant
    Filed: January 15, 2004
    Date of Patent: January 2, 2007
    Assignee: Matsushita Electric Works, Ltd.
    Inventors: Kenji Ohnishi, Masayuki Okuzawa, Yuzo Okudaira, Hideyuki Ando, Kazunori Umeoka, Ryo Sugawara, Bunkai Ryu
  • Patent number: 7074918
    Abstract: Cellulosic or lignocellulosic materials, and compositions and composites made therefrom, are disclosed.
    Type: Grant
    Filed: July 9, 2003
    Date of Patent: July 11, 2006
    Assignee: Xyleco, Inc.
    Inventors: Marshall Medoff, Arthur P. Lagace
  • Patent number: 7004215
    Abstract: Methods for forming compressed and adhesively bonded structural beams of strands divided from wood waste, and the beams resulting from such methods, are disclosed.
    Type: Grant
    Filed: August 29, 2002
    Date of Patent: February 28, 2006
    Assignees: The Coe Manufacturing Company, Inc., Wyoming Sawmills, Inc.
    Inventors: Eugene R. Knokey, Ernest W. Schmidt