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Patent Searching and Data


Matches 901 - 950 out of 8,527

Document Document Title
WO/2003/037531A1
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 tha...  
WO/2003/037107A2
A method and apparatus for treating wood (12), which includes arranging at least first and second electrodes (20, 22) in electrical contact with wood (12) to be treated via an electrically conductive material (28) and applying a voltage ...  
WO/2003/035342A1
A method for impregnating wooden items, in partiuclar poles situated in marine environment against attack from Teredo, where the method includes the following steps: d) a hole is formed in parallel with the fibre orientation of the wooed...  
WO/2003/035343A1
To preserve lumber, it is needed to inject an agent containing active ingredients into the lumber. For the injection, it has been a practice to use the insizing method or the reduced&sol elevated pressure method. Alternatively, an agent ...  
WO/2003/030640A2
Algal defacement of coated and non-coated porous masonry and wood construction materials is prevented by pre-treatment of the construction material with an aqueous composition of a copolymer that releases 2-propenal (acrolein) over time.  
WO/2003/024680A1
Wood-preserving agent based on crude tall oil with addition of at least 10 % resin acids. Use of crude tall oil with addition of resin acids as wood-preserving agent. Method for pressure impregnation with the wood-preserving agent accord...  
WO/2003/024681A1
Wood preservative based on a tall oil product, fatty acids or mixtures of fatty and/or resin acids saponified with calcium and/or aluminium. The use as a wood preservative of crude tall oil or fatty and/or resin acids partly saponified w...  
WO/2003/025303A1
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-...  
WO/2003/024230A1
A method of manufacture of a liquid pesticide containing copper. A first step involves forming of a solidified water soluble copper-borate complex. A second step involves dissolving the solidified water soluble copper-borate complex in w...  
WO/2003/024679A2
A method for not only preserving cellulose material from deterioration and from fire, but also for producing plywood, chip and particle board with an inexpensive and environmentally acceptable adhesive is described. The cellulose materia...  
WO/2003/022948A2
The invention relates to the development of a composition of a flame retardant agent, whereby the halogenation of the vegetable oil is dispensed with by means of a novel composition for said halogen-free flame retardant agent in conjunct...  
WO/2003/020504A1
The present invention relates to novel compositions comprising porous materials infused with polymers obtained from metathesis reactions, for example ROMP derived polymers and ADMET derived polymers. The invention further relates to cycl...  
WO/2003/013806A1
A wood treatment composition for the preservation of wood comprises a mixture of creosote and a polymer which is miscible with the creosote at about 200°F. and does not substantially phase-separate when the wood treatment composition is...  
WO/2003/011795A1
A process for impregnating a porous part is provided. In one embodiment, the process comprises impregnating the part with an impregnant that is not water soluble, and curing the impregnated part in a water bath. In another embodiment, th...  
WO/2003/009981A1
An insecticidal and termiticidal wood preservative composition contains as an active ingredient a compound of the formula: (I) wherein Y is a moiety selected from halogen, substituted aromatic ring and/or aliphatic residue, and n&equals ...  
WO/2003/008426A1
The inventive flame retardant, mainly used for polymeric materials is embodied in the form of a novel chemical composition, i.e. amide ammonium salts of aminotris (methylene phosphonic acid).  
WO/2003/005826A1
An aqueous tar solution which is prepared by admixing 100 g of a tar with 10 to 50 g of a 10 to 50 % solution of NaOH to provide processed tar, and then admixing 10 to 20 g of the processed tar with 100 g of a 2 to 5 % solution of NaOH t...  
WO/2003/006903A1
A method and apparatus for dielectric drying is disclosed wherein a load (14) to be heated positioned on a carrier (10) the bottom of which provides a secondary electrode is moved with the carrier a dielectric heating chamber (24) having...  
WO/2003/002317A1
A flexible natural wood sheet, characterized in that it comprises a thin natural wood sheet and a polymer caused to be present in voids therein and exhibits a folding endurance. The flexible natural wood sheet overcomes a defect of a thi...  
WO/2003/002923A1
A method of microwave treatment of wood with a moisture content (based on dry weight) of at least 12 % for rapid drying and stress relief which includes determining an area of the wood that is not to be treated, selectively subjecting a ...  
WO/2003/002318A1
The invention relates to a wood treatment solution which does not contain heavy metals and which contains an impregnation agent that is an alkali metal salt or alkaline-earth metal salt of formic acid or propionic acid. The invention als...  
WO/2002/102560A1
A process for treating wood comprising applying to the surface of the wood a boron based preservative which reacts with moisture within the wood to form a boron compound and alcohol and subjecting the wood with the applied preservative t...  
WO2002068558A9
A water-based water repellant for the treatment of substrates made from lignocellulose or the like, characterized by containing a product obtained by copolycondensing 100 parts by weight of (A) an organosilicon compound of the general fo...  
WO/2002/102926A1
A fire retardant composition that is halogen-free comprises an aqueous solution of an amine, a borate and a phosphate. The claimed composition is effective in providing wood-based panels like medium- or high-density fibreboards with high...  
WO/2002/102156A1
The invention relates to a chitosan-containing preservative composition also comprising a first anion oxidizable by air to form a second anion the complex whereof with chitosan is less water-soluble than is the complex of said first anio...  
WO/2002/100560A1
A silicone film is attached to a surface by chemical bonding. The silicone film consists of chains of siloxane groups, each chain terminating in an end molecule which is either an ester, an ether, or a halogen. The end molecule is allowe...  
WO/2002/098578A1
The present invention is a process for pressure treating wood (6) and includes wood which has been pressure treated by the process. The process comprises infusion into the wood of a solution (10) in water of an anhydride or the analogous...  
WO/2002/096608A1
The invention relates to a profile of round or sawn timber and a method for producing the same. Such profiles can be produced essentially from all types of wood of coniferous trees and wood of deciduous trees, including low-grade wood of...  
WO/2002/089999A2
An apparatus (1) for infusing a porous body (2) with a liquid protective agent, comprises a container (3) for the agent and a duct (4) which, in use of the apparatus, has one end connected to the container and the other end received in a...  
WO/2002/090066A2
A method and apparatus for applying a fluid preservative to wood or wood products has a work tank for maintaning a predetermined concentration of preservative in the fluid. The work tank is equipped with a heater to keep the temperature ...  
WO/2002/090069A1
The invention relates to a novel method for hydrophobing wood, whereby the wood is treated in a first step with an organosilicon compound (1) which comprises SiC-combined radicals containing basic nitrogen and in a second step, the wood ...  
WO/2002/090067A1
The invention concerns a method for treating a porous material based on cellulose and/or lignin which consists in impregnating said porous material with at least a monomer comprising at least an irradiation-polymerisable vinyl group, the...  
WO/2002/090068A1
The invention relates to a vehicle comprising toluene (40-70 %), xylene (6-40 %), benzophenone (3-18 %), butylglycol (2-9 %), cetyl acetate (1-7 %) and methanol (0.3-4 %). The inventive vehicle has a high wood penetration index and can b...  
WO/2002/085988A1
The present invention relates to colorants of the general formula, wherein A, B and B', m and m' and n and n' are as defined in the description. The colorants can be used for the pigmenting of porous materials and in injekt printing and,...  
WO/2002/085589A1
The invention relates to the use of an additive in an aqueous polymer dispersion which is used in the treatment of wood or wood products. Wood is treated in the form of a filler or covering and the aim thereof is to prevent discharge of ...  
WO/2002/081159A2
The invention relates to a method for the protective treatment of wood, derived timber products and wood-type substrates by means of thermal treatment at 60-250°C and additional treatment using an amine and/or amine derivative of genera...  
WO/2002/078865A1
A process for reducing the rate of deterioration of wood that includes contacting the wood with an aqueous alkanline colloidal silicon-containing slat composition that is supersaturated with a boron-containing salt. The contacting may be...  
WO/2002/076696A1
The invention relates to an emulsifier-free, water-dilutable wood preserving concentrate comprising: a) 20 to 50 % by weight, preferably 25 to 40 % by weight of a water-dilutable binder based on an acrylic acid-modified, polyethylene-fre...  
WO/2002/074507A1
A process for the preparation of a modified wood product, the process comprising: modifying moist wood by subjecting the wood to microwave radiation having a microwave energy of from 100 to 4000 joules/cm3 and a frequency (f) of from 0.1...  
WO/2002/072324A1
A method of reducing the emission of formaldehyde from formaldehyde laden layered products having at least 2 layers, at least one of which being a veneer, wherein prior to bonding the layers together, at least one side surface of said ve...  
WO/2002/072323A1
A method of reducing the emission of formaldehyde from formaldehyde laden layered products having at least 2 layers, at least one of which being a board or veneer, wherein prior to bonding the layers together, at least one side surface o...  
WO/2002/072204A2
The invention relates to an antifreeze fire-extinguishing agent, with a simultaneous action for reducing the flammability of objects. Said agent consists of an aqueous solution of alkali carbonate, citric acid and ethylene glycol.  
WO/2002/070215A2
Improved fire retardants that include guanylurea phosphate [(H2N-C(NH)-NH-C(O) NH2)•H3PO4] (GUP) and boric acid, materials such as wood and composite wood products that include these fire retardants, and methods of making and using same.  
WO/2002/064336A1
The present invention relates to an impregnating agent for wood against fungi which will break down the cellulose and lignin in the wood. The impregnating agent comprises a mixture of potassium diformate and propionic- and/or acetic- and...  
WO/2002/065040A1
Object for the invention is a method for treatment and drying of wood, in which method the wood is warmed up to an essentially higher temperature than the boiling point of water, where after the wood is compressed between moisture permea...  
WO/2002/064686A1
The present invention concerns a composition intended for the protection of a solid substrate against environmental attack. The composition includes at least one biocidal component and a hydrophobing agent. The composition is in the liqu...  
WO/2002/064337A2
The disclosed invention relates to polyisocyanate-impregnated lignocellulosic substrates having improved strength, water resistance and appearance, and also to methods and systems for producing such substrates. The polyisocyanate-impregn...  
WO/2002/060661A2
This invention relates to a leach-resistant borate preservative for lignocellulosic-based products, providing resistance against insect and fungal attack for use in exterior and ground contact applications. The preservative compositions ...  
WO/2002/060660A1
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 gr...  
WO/2002/052935A2
A wood treatment material having a synergistic combination of fungicides including boron-containing compounds, organo-iodine compounds and amine-oxides is provided. This combination is shown to be especially effective in providing resist...  

Matches 901 - 950 out of 8,527