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| Number | Title | Issue Date |
| 8158206 | Method for modifying wood and wood thereby obtained A method for modifying wood includes steps of impregnating the wood followed by curing the wood at temperatures between 70 and 200° C. The impregnation composition includes di-, tri, and/or polysubstituted furan compounds. ... | 04/17/2012 |
| 7435483 | Process for coating paper, paperboard, and molded fiber with a water-dispersible polyester polymer Disclosed are coated fiber-containing articles, including paper, paperboard, and molded fiber, and methods for preparing such articles. A preferred method comprises heating paperboard containing a polymeric binder to a temperature sufficient to remove at least some ... | 10/14/2008 |
| 7435453 | Method of finishing veneer surface of veneered wood product by application and curing of UV-curable coating layers having cationically and free-radically polymerizable moieties A veneer surface of a veneered wood product is finished by applying to the veneer surface and UV curing a multilayer finishing system wherein at least one of the subsurface layers comprises a UV cured cationically polymerizable moiety and the outermost layer of whic... | 10/14/2008 |
| 7387843 | Alkyd-based free radical wood coating compositions Coating compositions comprising a polymer and an initiator are disclosed. The polymer comprises an alkyd portion and a free radical curable portion that is pendant from the alkyd portion; the alkyd portion includes one or more fatty acid moieties that can be derived... | 06/17/2008 |
| 7381473 | Furan polymer impregnated wood A furan polymer impregnated wood which comprises wood impregnated with a polymerizable furfuryl alcohol monomer mixture containing at least furfuryl alcohol, stabilizing co-solvent water, and an initiator selected from the group consisting of anhydrides, acids and c... | 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 |
| 7348379 | Coating compositions comprising a polyisocyanate compound, a hydroxyl-functional film forming polymer, and a non volatile branched monoalcohol The current invention relates to a coating composition comprising a polyisocyanate compound, a hydroxyl-functional film-forming polymer, and a non-volatile branched monoalcohol. An aliphatic branched monoalcohol is preferred. More preferred are long chain non-volati... | 03/25/2008 |
| 7335400 | Irreversible immobilization of enzymes into polyurethane coatings A method of irreversibly immobilizing an enzyme in a polyurethane and an enzyme-containing polyurethane having a degree of immobilization of the enzyme of approximately 100%. The synthesis of waterborne polyurethanes in the presence of enzyme has enabled the irrever... | 02/26/2008 |
| 7323187 | Impregnation method The invention relates to a method for impregnating, incorporating or surface-treating substances/articles that can be microbially decomposed, contaminated and/or infested with parasites and/or that are perishable. The inventive method comprises the following steps: ... | 01/29/2008 |
| 7297411 | Process of using sodium silicate to create fire retardant products Wood products, specifically wood commonly used in construction including dimension lumber, pressure treated pine, composite wood materials such as plywood, particle board, and wafer board, and samples of paper and fabric were variously treated with concentrations of... | 11/20/2007 |
| 7255897 | Use of aqueous polyurethane dispersions is formulations for sports floor coverings The invention relates to the use of aqueous, isocyanate-free, polyurethane dispersions with a solid content of ≧30 wt. % and a solvent content of ≦10 wt. % in sports floor coverings. The inventive polyurethane dispersions are particularly suitable for use as bon... | 08/14/2007 |
| 7246452 | Method for treating preservative-treated wood There is provided a method for treating preservative-treated wood such that the preservative is substantially prevented from leaching. The treatment comprises drying of the preservative-treated wood until the moisture content of the wood is below a level capable of ... | 07/24/2007 |
| 7214407 | Method for the prevention of barnacle attacks A method for impregnating wooden items, in particular poles situated in marine environment against attack from Teredo, where the method includes the following steps of a) forming a hole in parallel with the fibre orientation of the wood; b) then filling the hole wit... | 05/08/2007 |
| 7189461 | Semi-crystalline ethylene vinyl acetate emulsion polymers for heat seal applications This invention is directed to aqueous-based ethylene-vinyl acetate (EVA) polymer emulsions suited for use in heat seal applications. The EVA polymers of this invention are produced by a relatively low-pressure process, i.e., less than 2000 psig, preferably from abou... | 03/13/2007 |
| 7157120 | Method for treating wood having a high extractive content A method for treating wood having a high extractive content is disclosed. The method generally comprises applying to the wood a coating comprising a water-based polyurethane dispersion and a crosslinker. The dispersion can be cured and one or more additional coating... | 01/02/2007 |
| 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 |
| 7094309 | Process and device for gluing dried fibers designated for the production of fiberboards Dried fibers which are designated for the production of fiber boards are supplied to a fiber roller (17) from a metering device through a feed chute (10) which is subjected to negative pressure, which fiber roller is provided on its surface with a plur... | 08/22/2006 |
| 7081216 | Foams and coatings Processes for the preparation of adherent polyvinylidene fluoride, hexafluoropropylene coatings on objects and for the direct production of open celled foams from a polymer latex without a need for any blowing agent. ... | 07/25/2006 |
| 7074852 | Blocked polyisocyanates Blocked polyisocyanates and one-component stoving systems containing these blocked polyisocyanates, and the preparation thereof and their use for the preparation of lacquers, paints, adhesives and elastomers. The blocked polyisocyanates are derived from polyisocyana... | 07/11/2006 |
| 7056557 | 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 wood material ... | 06/06/2006 |
| 7029725 | Process for providing barrier properties to porous substrates The invention relates to an improvement in a process for imparting barrier properties to porous substrates, such as, concrete, masonry products, and wood products. The process comprises the steps of: applying an aqueous based sealing composition comprising a polymer... | 04/18/2006 |
| 7018497 | Method of making an absorbent structure having high integrity A method of making an absorbent structure having high integrity is provided. A first superabsorbent polymer precursor composition including a monomer, a crosslinking agent and a reducing agent, and a second superabsorbent polymer precursor composition including a mo... | 03/28/2006 |
| 7008984 | Furan polymer impregnated wood A furan polymer impregnated wood which comprises wood impregnated with a polymerizable furfural alcohol monomer solution containing at least water, stabilizers, and furfuryl alcohol, and at least one further compound selected from the group consisting of anhydrides,... | 03/07/2006 |
| 7008997 | Non-toxic hydrophobic elastomeric polymer chemistry system for wood preservation A system and method for wood preservation comprises treating wood products via conventional pressure treating mechanics of sequential vacuum and pressure with a solution comprising an oligomeric, stoichiometrically balanced blend of primary and secondary diamines wi... | 03/07/2006 |
| 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 |
| 7001667 | Alkyd-based free radical wood coating compositions Coating compositions comprising a polymer and an initiator are disclosed. The polymer comprises an alkyd, portion and a free radical curable portion that is pendant from the alkyd portion; the alkyd portion includes one or more fatty acid moieties that can be derive... | 02/21/2006 |
| 6960308 | Endothermic heat shield composition and method for the preparation thereof A method for preparing an endothermic heat shield composition, which comprises at least 50 wt/wt % hydrated salt and at least one filler material, the method comprising the steps of: a) heating the hydrated salt to a temperature at... | 11/01/2005 |
| 6942898 | Coating composition with improved adhesion to friable surfaces An aqueous coating composition having improved adhesion to friable surfaces including an emulsion polymer of certain compositions and certain acid numbers having a glass transition temperature of −20 C to 100 C and an average particle diameter less than 120 nanome... | 09/13/2005 |
| 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 |
| 6918981 | Process for adding superabsorbent to a pre-formed fibrous web using two polymer precursor streams A process for making an absorbent fibrous web composite including a stable, controllable dispersion of superabsorbent polymer is provided. A pre-formed web, desirably including cellulose fibers and, optionally, thermoplastic fibers is provided. First and second supe... | 07/19/2005 |
| 6914115 | Low-temperature-curable, solid polyurethane powder coating compositions containing uretdione groups Polyurethane powder coating compositions containing uretdione groups and curing at low temperatures are provided, along with processes for preparing such compositions, and their use as powder coatings, wherein the compositions generally contain: A) a uretdione-conta... | 07/05/2005 |
| 6902767 | Process for treating wood and products from treated wood Wood cellulose is treated with a reactive silicate. The reaction is done to cellulose within the wood and may be catalyzed with acid or base catalysts or a carbon silicon halogen combination which produces in situ acid catalysts or a different combination to produce... | 06/07/2005 |
| 6872275 | Process for adding superabsorbent to a pre-formed fibrous web via in situ polymerization A process for forming an absorbent fibrous web composite includes the initial step of forming a fibrous web from hydrophilic fibers and, optionally, thermoplastic fibers. Then, a superabsorbent polymer is completely formed in situ on or in the fibrous web by adding ... | 03/29/2005 |
| 6869643 | Self-priming architectural coatings The present invention relates to a process for the coating and water-repellent impregnation of mineral building materials, in which an architectural coating composition containing from 1 to 30 % by weight of C1-C20-alkyl-C1-C6 | 03/22/2005 |
| 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 |
| 6800325 | Method of producing an interior fitment for vehicles, and interior fitment produced accordingly 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 ... | 10/05/2004 |
| 6753035 | Compositions and methods for wood preservation The invention provides a method for incorporating biocides into wood or a wood product. The method comprises incorporating an additive into a nanoparticle, applying the nanoparticle to wood or a wood particle and applying sufficient pressure to force the nanoparticl... | 06/22/2004 |
| 6740423 | Colored building boards, manufacturing methods thereof There is provided a building board which is colored by mixture of a pigment(s) into the raw materials and exhibiting an excellent color development effect. A pigment and a resin(s) are incorporated into the raw materials of the front layer to form a resin film simul... | 05/25/2004 |
| 6730722 | Cross-linkable polymer powder compositions The invention provides cross-linkable polymer powder compositions containing a) at least one water-soluble polyhydroxy compound; b) at least one boric acid complex compound which is of limited solubility in water that is, it has a water solubility of less than 10 g ... | 05/04/2004 |
| 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 |
