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| Number | Title | Issue Date |
| 7976900 | Method for producing a fire-retardant veneer, and corresponding fire-retardant veneer For producing a fire-resistant veneer or material composite having different core materials without adding salts or other commercial fire-retardant materials, liquid is drawn out from the pores of the veneer by heat treatment and is replaced by resin, and the veneer... | 07/12/2011 |
| 7851021 | Treated wet process hardboard 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. ... | 12/14/2010 |
| 7658972 | Silicone emulsion composition and wood treatment A silicone emulsion composition for wood treatment is prepared by emulsifying and dispersing (A) an organopolysiloxane, (B) the reaction product of an amino-containing organoxysilane and an acid anhydride, (C) an epoxy-containing organoxysilane, (D) colloidal silica... | 02/09/2010 |
| 7427316 | Tropolone complexes as wood preservatives Complexes of tropolone and copper and/or zinc were solubilized in ammoniacal solution providing preservative solutions that fully penetrate wood. With loss of the ammonia from the wood, the complexes were stably retained in the wood providing a long lasting preserva... | 09/23/2008 |
| 7381474 | Coated hardwood composite flooring having reduced surface cracking The methods for making a coated thin veneer, plank or wood product in which the coated surface does not crack due to instability of the wood involve applying to a veneer, plank or wood product a composition including a hydrophilic polymer and a reactive monomer or a... | 06/03/2008 |
| 7361215 | Material and method for treatment of timber A material and method for treating timber. The material comprises a preservative and a carrier. The carrier is selected such that it remains mobile within the wood and provides for migration of the preservative within the treated wood. By providing a carrier which i... | 04/22/2008 |
| 7300502 | Preservative compositions for wood products Preservative compositions for wood products are described. The compositions include at least one boron-containing material, such as but not limited to boric anhydride, and at least one silane-containing material, such as but not limited to methyltrichlorosilane. Opt... | 11/27/2007 |
| 7273651 | Crackle finish A crackle finish, method of forming a crackle finish and a kit for forming a crackle finish. The crackle finish includes a base coat of latex paint or stain on a surface to be treated. A crackle coating is applied over the base coat and dried to tack dry or complete... | 09/25/2007 |
| 7267714 | Preservative compositions for wood products Preservative compositions for wood products are described. The compositions include at least one boron-containing material, such as but not limited to boric anhydride, and at least one silane-containing material, such as but not limited to methyltrichlorosilane. Opt... | 09/11/2007 |
| 7264886 | Water repellent compositions for wood preservatives Water-based wax emulsions, optionally for use in conjunction with alkaline copper and/or quaternary ammonium based preservatives systems, are described. These emulsions are comprised of natural or synthetic wax, nonionic surfactants having HL B values greater than 1... | 09/04/2007 |
| 7217750 | Process for incorporating one or more materials into a polymer composition and products produced thereby The present invention relates to various processes that utilize one or more supercritical fluids to disperse various inorganic and organic materials, including crystalline materials, into polymeric compositions, substrates or pre-formed articles without the utilizat... | 05/15/2007 |
| 7205052 | Microbiological abatement coating system A wood product is made from treating wood with two solutions, in series, including a penetrating solution and a topcoat composition. The penetrating solution is made up of boric acid, a metallocene catalyst, a free radical initiator, a first film-forming polymer and... | 04/17/2007 |
| 7192490 | Method for treating and extracting cork organic compounds, with a dense fluid under pressure Process for the treatment of cork or a cork-based material particularly with a view towards extracting contaminating organic compounds, in which said cork or said cork-based material is put into contact with a dense fluid under pressure at a temperature of from 10 t... | 03/20/2007 |
| 7192470 | Preservative compositions for materials and method of preserving same Preservative composition for various materials and method of preserving the same is disclosed. The preservative composition includes at least one silane-containing material and at least one hydrocarbon solvent containing molecules of at least five carbon atoms. ... | 03/20/2007 |
| 7178263 | Method of manufacturing incombustible wood Provided is a method of manufacturing incombustible wood that enables maximization of the amount of an incombustion agent used to be impregnated into wood. Further provided is a method of manufacturing incombustible wood that completely satisfies incombustible-wood ... | 02/20/2007 |
| 7179327 | Wood treatment process and chemical composition Treatment and preservation of wood, wood fiber products, and porous surfaces with a stabilized solution of periodic acid or iodic acid is provided. ... | 02/20/2007 |
| 7128778 | Preservative compositions for wood products Preservative compositions for wood products is described. The compositions include at least one boron-containing material, such as but not limited to boric anhydride, and at least one silane-containing material, such as but not limited to methyltrichlorosilane. Opti... | 10/31/2006 |
| 7001452 | Polymeric wood preservative compositions The present invention relates to a method and a wood preserving composition which is free of poly-aspartic acid and its derivatives and comprises mixtures of a metal compound, complexing agents selected from ethanolamines, polyethylenimine, ammonia or a mixture of t... | 02/21/2006 |
| 6978724 | Copper complexes and their use as wood preservatives This invention relates to copper complexes that significantly reduce the decay of wood, cellulose, hemicellulose, and lignin caused by fungi. A process for treating such materials with these copper-containing anti-fungal agents is also disclosed. ... | 12/27/2005 |
| 6933016 | Method of increasing latent heat storage of wood products The heat storage capacity of natural cellulosic products is increased by injecting nucleating products and/or heat storing material into unfilled cells thereby increasing the amount of material that can undergo phase change for transferring latent heat. ... | 08/23/2005 |
| 6910284 | Wood accelerating drying process based on its rheological properties The objective of the present invention is an accelerated drying process for wood, capable of use with all species and of maintaining the quality of the dried wood intact, in which the temperature of the system is kept within the glass transition temperature range, f... | 06/28/2005 |
| 6905520 | Mineral stains for wood and other substrates According to the invention, a metal salt and an oxygen source are applied to penetrate or impregnate a suitable substrate sequentially in effective amounts so as to react in contact with the substrate and produce a mineral compound fixed within the surface of the su... | 06/14/2005 |
| 6894099 | Stabilized borax based fire retardant system This invention relates to a novel stabilized borax based fire retardant system. More particularly, this invention pertains to a borax containing fire retardant system which is stabilized and resists leaching and oxidation when combined as a coating or an impregnatio... | 05/17/2005 |
| 6843837 | Polymeric wood preservative compositions The present invention relates to a method and a wood preserving composition which comprises mixtures of a metal compound, complexing agents selected from ethanolamines, polyethylenimine, ammonia or a mixture of these compounds, and a vinyl based polymer selected fro... | 01/18/2005 |
| 6844081 | Microbiological abatement coating system A wood product is made from treating wood with two solutions, in series, including a penetrating solution and a topcoat composition. The penetrating solution is made up of boric acid, a metallocene catalyst, a free radical initiator, a first film-forming polymer and... | 01/18/2005 |
| 6821631 | Method and composition for treating substrates A method of treating substrates, such as wood, including the steps of applying an alkali silicate solution to one or more substrates and applying an alkali borate solution with boric oxide (B2O3) content to the substrates. Substrates that have ... | 11/23/2004 |
| 6805910 | Process for applying coatings A process for applying a thermoplastic coating to a substrate wherein the gases and other volatiles in a boundary layer between the substrate and the coating are evacuated using a high volume, high velocity air stream which traverses the surface of the substrate to ... | 10/19/2004 |
| 6696102 | Cellulose preservative method and apparatus A method and apparatus for applying a fluid preservative to wood or wood products has a work tank for maintaining a predetermined concentration of preservative in the fluid. The work tank is equipped with a heater to keep the temperature of the fluid and ... | 02/24/2004 |
| 6673395 | Wood impregnation The present invention relates to a wood-polymer composite, particularly wood which has been impregnated with a mixture containing polymerizable organic compounds, and more particularly to a method for preparing a wood-polymer-composite by impregnating woo... | 01/06/2004 |
| 6641927 | Soybean oil impregnation wood preservative process and products A process for treating wood and wood products is disclosed. Wood is impregnated under pressure with soybean oil or a mixture of vegetable oils with soybean oil, which oil is caused to polymerize within the wood. The polymerized oil is effectively fixed wi... | 11/04/2003 |
| 6596063 | Impregnated wood The invention relates to the impregnation of wood by a solvent-free melt of modified natural resin which is solid at ambient temperature. Besides the modified natural resin, melts according to the invention may comprise wax and further additives. The melt... | 07/22/2003 |
| 6565923 | Method for manufacturing reinforced oriented strand board A method for manufacturing reinforced oriented strand boards includes steps of injecting melamine-formaldehyde resin or phenol-formaldehyde resin in finished oriented stand boards, of heating and pressing them to let the resin harden. As strands of woods ... | 05/20/2003 |
| 6537357 | Treatment of wood, wood fiber products, and porous surfaces with periodic acid and iodic acid Treatment and preservation of wood, wood fiber products, and porous surfaces with a solution of periodic acid or iodic acid is provided.... | 03/25/2003 |
| 6517907 | Method of performing an impregnating or extracting treatment on a resin-containing wood substrate The impregnating or extracting treatments of resin-containing wood substrate using a resin-soluble supercritical fluid as delivering or extractive solvent medium problems due to exudation of resin from the wood substrate at pressure release necessary befo... | 02/11/2003 |
| 6432553 | Method of conserving waterlogged materials A method of preserving waterlogged materials and more specifically, preserving artifacts that have been submerged in water for long periods of time. A method of treating waterlogged materials that have been subjected to preservation techniques using polye... | 08/13/2002 |
| 6426118 | Method for pressure treating wood The present invention is a process for pressure treating wood and includes wood which has been pressure treated by the process. The process comprises infusion into the wood of a solution in water of an anhydride or the analogous acid of an anhydride, foll... | 07/30/2002 |
| 6406749 | Process for producing a modified lignocellulosic material A process of chemically modifying wood by impregnating the wood, under vacuum, with ammonia gas; after removal of residual ammonia, and while under pressure, impregnating the ammonia gas impregnated wood with an impregnating composition containing dicarbo... | 06/18/2002 |
| 6303234 | Process of using sodium silicate to create fire retardant products Cellulosic materials, including dimension lumber, plywood, particle board, wafer board, paper, fabric and similar materials, were treated with sodium silicate (Na2 O.SiO2) in concentrations ranging from 400-0.04 g Na2 O.Si... | 10/16/2001 |
| 6274199 | Wood treatment process A process for treating a wood substrate with a water-based formulation containing a wax in order to confer water repellency to the substrate comprising the steps of: (a) placing the substrate in a treatment vessel and reducing the pressure in the vessel t... | 08/14/2001 |
| 6248402 | Method for treating wood by impregnation A method for treating wood in which the wood to be treated is placed in a chamber in which a vacuum is produced, where the chamber is filled with a hardening product, in particular a monomer, so as to impregnate the wood by causing the product to penetrat... | 06/19/2001 |
