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WO/1997/029894A1 |
A method of smoking and drying lumber, in which waste lumber (7) is packed in a furnace (1) in a refractory chamber to be subjected to incomplete combustion by means of air conditioning, and smoke and heat are convected between lumber ma...
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WO/1997/026868A1 |
A system to deliver a treating agent to a surrounding environment comprising a bead like, substantially spherical preparation (12), wherein a treating agent (14) is surrounded by and encapsulated within a biodegradable material (16). The...
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WO/1997/027034A1 |
The invention comprises methods of inhibiting sapstain in wood including applying a water barrier over the surface of the wood which is effective to inhibit moisture loss from the wood. The water barrier may be a sheet of plastic or a hy...
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WO/1997/024032A1 |
The invention relates to insecticide mixtures of fipronil and agonists or antagonists of nicotinergic acetyl choline receptors for the protection of technical materials and plants.
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WO/1997/023328A1 |
A method for changing the physical structure of a ligno-cellulosic work piece having a selected grain and a first structural configuration. The first structural configuration preferably includes those structural and physical properties, ...
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WO/1997/023486A1 |
The invention relates to biologically active novel compounds having general formula (I), wherein R1, R2, R3, and R4 independently are hydrogen, straight or branched chain alkyl with 1-6 carbon atoms, straight or branched chain alkenyl wi...
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WO/1997/023327A1 |
The present invention relates to an aqueous dispersion which can be applied to natural materials, e.g. timber, and treats and protects them against damage by insects and fungi, and contains a long-chained alcohol, an aqueous binder, a pa...
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WO/1997/023329A1 |
A method for treatment of one or more wood elements (4) by pressurization comprises the steps of embedding the wood elements into a pressure medium (8), of increasing the pressure in the pressure medium, whereby the wood element is compr...
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WO/1997/014303A1 |
Lumber, plywood and other wood products are preserved from attack by fungi, termites and wood-destroying insects as well as fire and flame by treatment with a novel zirconium borate-containing preservative composition. The preservative c...
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WO/1997/013628A1 |
Cork articles are bleached and/or sterilized by first contacting with a hydrogen peroxide solution, followed by contacting with a solution of the enzyme catalase. The quality of the treated cork articles can meet the usual industry requi...
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WO/1997/012736A1 |
The invention concerns a wood-protecting agent, in particular for protecting wood against insects which attack dry wood, the agent being based on conventional carrier substances and auxiliary agents. The agent contains one or a plurality...
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WO/1997/012735A2 |
The invention relates to a method of impregnating wood or wood based products with a preservative or other wood modifying chemical under pressure. A composition comprising said chemical is impregnated into the wood under hydraulic pressu...
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WO/1997/012737A1 |
An agent for protecting technical materials, in particular wood and wood materials, against damages and destruction by harmful organisms is based on natural active substances which contain bacteria, cysts or spores of bacteria and/or met...
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WO/1997/011788A1 |
A method to extend the functional life of wood structures (2) such as telephone poles, utility poles, pilings and foundations by controlling the activity of wood decay organisms while minimizing the use of environmentally hazardous chemi...
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WO/1997/011894A1 |
A cork stopper for a wine bottle or the like is coated with, for example, silicone rubber to prevent impurities in the cork from contaminating the contents of the bottle. The coating may be applied by dipping or immersion preferably with...
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WO/1997/010084A1 |
A drill bit (5) is engaged in the bore (13a) of a hollow shaft (9) and in the bore of a sealing cone (14) attached to said shaft (9). The rear end is clamped in a central hole (25) of a retaining member (24), which is itself pressed with...
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WO/1997/007946A1 |
The invention relates to the treatment of timber and particularly to a method of fixing the active termiticide/fungicide component of boric acid within timber to be treated. The method includes chemically reacting the boric acid with a s...
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WO/1997/006676A1 |
Described are formulations of microbicidally active substances with dehydroabietylamine and their use in the protection of equipment and materials from attack by microbes, and in the protection of plants.
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WO/1997/002936A1 |
This invention relates to a method for producing hard elements (13) from wood. At least one wood piece (13) is inserted into a press (10) together with a liquid absorbing material (14) after which an isostatic pressure higher than 800 ba...
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WO/1997/002119A1 |
The invention pertains to heavy metal-free wood preservatives that contain polymeric quaternary ammonium borate and (4-ethoxyphenyl) (3-(fluoro-3-phenoxyphenyl)propyl-(dimethyl)silane.
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WO/1997/002135A1 |
A method and process for treating wood. The steps include preparing isocyanate-based reactive prepolymer resins for impregnation, impregnating wood with these impregnation resins, curing the impregnated wood at elevated temperatures, pre...
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WO/1997/002134A1 |
The present invention relates to wood products having improved impact resistance or toughness effected by impregnating wood with a polyurethane resin-based prepolymer material and to the processing methods thereof.
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WO/1997/002136A1 |
The present invention relates to resin-impregnated, surface coated wood products. More particularly, the present invention relates to polyurethane prepolymer resin wood impregnation and coating materials that impart to wood a highly ligh...
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WO/1997/001423A1 |
A stable, aqueous, anti-microbial composition comprising: (a) one or more organotin compounds; and (b) one or more surfactants for solubilizing the organotin compounds selected from the group consisting essentially of: (i) surfactants co...
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WO/1996/040447A1 |
Low VOC penetrating compositions for staining and protecting porous substrates such as wood, concrete, cement, brick and the like, comprising aqueous dispersions of polyurethane-ureas.
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WO/1996/040831A1 |
Methods and compositions are provided based upon flavonoid aldehydes, which find use as antimicrobials for paint and wood preservatives. The compositions can be added prior to shipment of the paint or wood preservative. Methods of preven...
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WO/1996/038275A1 |
The invention relates to a method for binding oil to wood and to a composition used in the method. According to the invention a wood product is contacted with a composition containing a solid anhydride, vegetable oil and alcohol. The tre...
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WO/1996/038515A1 |
The method for recycling conditioned wood products is characterised in that the conditioned wood products are broken up into wood chips to be introduced in a column reactor (3) of substantial height with a lower combustion portion and an...
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WO/1996/038033A1 |
Apparatus and methods for injecting a fluid into tissue of a plant are described. In one embodiment, the apparatus (1) comprises a spindle (2) which rotates within a fluid delivery manifold (3). The spindle can be driven by an electric d...
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WO/1996/037283A2 |
A method of delivering a substance into a material mass including the steps of measuring a quantity of a carrier fluid and a material to be delivered, mixing the carrier fluid and the material to be delivered, and subjecting the mixture ...
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WO/1996/036466A1 |
A method for punching holes in a log, wooden pole or the like (3) for subsequent impregnation thereof, comprises the steps of introducing the log, pole, or the like into a punching machine, securing the log, pole, or the like in the mach...
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WO/1996/036765A1 |
The bacteria Pseudomonas fluorescens, Pantoea, (Enterobacter) agglomerans, Bacillus cereus, and Xanthomonas campestris are useful in reducing the pitch content of pulps and pulpwoods used in making cellulosic products. Such bacteria are ...
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WO/1996/035560A1 |
A wood treatment process is disclosed in which in one aspect the wood is impregnated with a waterborne preservative such as CCA at elevated temperature and presesure. The impregnated wood and excess waterborne preservative are separated ...
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WO/1996/033848A1 |
A method of rendering wooden material flame-retardant so as to achieve flame-retardant levels as stipulated by the authorities concerned economically in a simple and easy way, which comprises mixing a flame retardant in a concentration o...
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WO/1996/032235A1 |
Novel timber preservative containing at least one copper compound and polyaspartic acid or a derivative thereof, a triazol compound and possibly at least one synergistically supplementing other fungicide and/or insecticide and also possi...
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WO/1996/032236A1 |
A device for pressure treatment of wood elements comprises a pressure chamber (1) for accommodating the wood elements (5a, 5b, 5c) which are to be treated. The pressure chamber also accommodates a pressure medium which surrounds the wood...
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WO/1996/027483A1 |
This invention relates to methods of preserving a substrate which comprise applying to the surface of the substrate a biocide and a polymeric compound and implanting into the substrate a preservative composition comprising a water diffus...
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WO/1996/026054A1 |
The present invention relates to a method of producing an impregnated wooden product from a wooden article. The article is pressed isostatically with a pressure exceeding 1,000 bars in a first method step. The wooden article is then plac...
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WO/1996/026052A1 |
A material treatment apparatus for impregnating a treatment liquid into or coating it onto a material, comprises a treatment tank to contain the treatment liquid, conveyor means arranged to carry pieces of material into the treatment bat...
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WO/1996/025277A1 |
The method comprises the step of applying a flexible outer barrier layer to at least that part of the object most vulnerable to dacay, providing a bituminous substance between the barrier layer and the object and heating the barrier laye...
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WO/1996/024472A1 |
The invention concerns a method for binding modification chemicals to massive wood products. According to the invention, the wood products are first treated with the modification chemicals, such as aqueous solutions of maleic acid or mal...
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WO/1996/023635A1 |
The present invention provides a composition having biocidal and/or preservative properties, the composition including at least one metal chelate having a neutral or negative charge.
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WO/1996/023636A1 |
A composition in the form of a paste suitable for use as a wood preservative said composition including a fungitoxic metal derivative and a fungitoxic boron compound and wherein both the metal derivative and the boron compound are water ...
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WO/1996/019526A1 |
This invention relates to a process for acetylation of lignocellulosic fibres (LF) using an acetylating agent comprising acetic anhydride at a temperature of above 140 �C and a pressure of 100-150 kPa wherein raw or substantially raw L...
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WO/1996/017214A1 |
A method and apparatus for operating a dryer used to reduce the moisture content of sheet material such as a jet veneer dryer. A drying chamber includes a plurality of individual, juxtaposed drying sections (16). A single point exhaust s...
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WO/1996/015885A1 |
A wood preservative contains a dimethylalkylamine, an aliphatic C8-C20 dicarboxylic acid and a triazole compound.
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WO/1996/014902A1 |
A method for removing chemical preservatives from wood treated with chemical preservatives is provided. Wood treated with chemical preservatives is chipped to produce wood chips. These wood chips are contacted with an organic solvent and...
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WO/1996/014355A1 |
The invention concerns an aqueous polymer dispersion containing: A) a dispersed polymer A which is obtained by radical aqueous emulsion polymerisation in two chronologically successive steps of different monomer compositions and comprise...
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WO/1996/013365A1 |
A material made from small pieces of 'pith', the vegetable matter formed between the fibres surrounding coconuts, and having a size of 0.2-2 mm and a corklike texture. The pieces are coated with a binder and polymerised. The small pieces...
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WO/1996/011780A1 |
A lumber prepared by artificially destroying pit membranes on cell membranes of cells constituting the lumber, and then easily attaining the dried condition of the lumber. In the lumber obtained from the wood cut down, a torus in a pit m...
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