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WO/1994/011167A1 |
A process is disclosed for impregnating and if required also drying wood. The wood is treated in a treatment bath at a temperature higher than room temperature. The process comprises the following steps: (a) the wood is introduced into a...
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WO/1994/009057A1 |
Reaction of Lignocellulosic material with Acetic Anhydride vapour greatly improves dimensional stability and resistance to biological attack and is according to this, invention made in the absence of any co-solvent or added catalyst in a...
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WO/1994/006788A1 |
Compounds having general formula (I) or general formula (II). Compounds of formulae (I) or (II) have interesting antifungal activities and may, accordingly, be used as active ingredients in fungicidal compositions.
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WO/1994/006638A1 |
A method for cleansing woodwork, the surface of which has previously been treated with paint. The method comprises immersing the wooden objects in a cleansing fluid in the form of hot vegetable oil, preferably linseed oil heated to about...
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WO/1994/005437A1 |
The present invention relates to treatment of marine borer infestation. It has been found that wood can be effectively protected from marine borer infestation by impregnating the wood with a pesticidally effective amount of chlorothaloni...
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WO/1994/005636A1 |
Compounds have formula (I), in which R1 stands for hydrogen, an aliphatic or a cyclic residue: R2 stands for hydrogen, alkyl or acyl; R3 stands for alkyl; R4 stands for hydrogen, cyanethyl, benzyl, OH, O or alkoxycarbonyl; X stands for t...
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WO/1994/004225A2 |
A method for the detoxification of a mustard gas by reaction with a bis-tertiary diamine resulting in quaternary ammonium ionene polymers. Sulfur-containing quaternary ammonium ionene polymers which are useful as microbicides for control...
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WO/1994/001259A1 |
The invention relates to a method for densifying softwood, comprising the impregnation of the wood with an organic compound, followed by compression. The organic compound is a melamine-formol resin, impregnation being carried out while t...
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WO/1994/000988A1 |
A fungicide for wood preservation contains as active component a mixture of a triazole compound, preferably propiconazole (1-[[2-(2,4-dichlorophenyl)-4-propyl-1,3-dioxolane2-yl]methy
l]-1H-1,2,4-triazole) and a boric acid ester selected ...
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WO/1994/001260A1 |
In order to remove toxic substances from timber for disposal, the timber is ground and a suspension of water, a water-soluble organic solvent and the ground timber is centrifuged in a centrifuge (2). The mixture or water and solvent is e...
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WO/1994/000443A1 |
Compounds having formula (3), wherein R1 is hydrogen, straight or branched alkyl with 1-10 carbon atoms, straight or branched alkenyl with 2-10 carbon atoms, straight or branched alkynyl with 2-10 carbon atoms, benzyl or aryl, optionally...
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WO/1993/025498A1 |
The method consists in using, as an impregnating agent, a composition selected from a group including the following components in per cent by weight: paraffins C17-C35 23.0 - 55.0, resins 8.5 - 27.0, asphaltenes 3.0 - 8.0, aromatic hydro...
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WO/1993/024011A1 |
The present invention provides a method for treating a locus for termites which comprises applying to the locus a compound of formula (I) wherein R1 and R2 are each independently hydrogen, C1-C3 alkyl or C1-C3 alkoxy, chloro, bromo or fl...
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WO/1993/022253A1 |
A composition comprising gypsum plasticised by a polymer and containing gypsum in the range of about 40 % to about 90 % by weight. In a preferred embodiment the polymer is polyurethane. A wide variety of applications of the composition a...
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WO/1993/019911A1 |
In a method of plasticising medium density fibre board (MDF) the MDF is impregnated with anhydrous ammonia and then reshaped. Prior to said impregnation, the MDF may be exposed to a partial vacuum in an enclosed reaction chamber. Apparat...
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WO/1993/019910A1 |
MDF, or medium density fibreboard, is a common replacement for wood. It is usually manufactured as flat sheets, and is a stiff, rigid, inflexible material that is difficult to bend into the sort of complex shapes often required. It has n...
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WO/1993/019858A1 |
A wood product having improved durability while maintaining the appearance of wood is produced by applying to the surface of a dry wood member a sealer coating containing a cyclic epoxy and an anhydride and curing the sealer while reacti...
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WO/1993/017843A1 |
A method and a device serve to locally impregnate a piece of wood (6) with a gaseous or liquid wood impregnation agent, which is injected under pressure by means of an injection apparatus (70) into a hole (7), which is drilled in the woo...
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WO/1993/014630A1 |
Timber can be preventatively treated against pests with a pesticidal formulation which comprises a microemulsion, micellar solution or molecular solution, whose average particle or droplet size is less than 200 nm. Pesticides such as pyr...
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WO/1993/013659A1 |
The gaseous chemical compound, carbonyl sulphide, has hitherto been unknown as a fumigant for the control of insects and mites. Experiments have shown conclusively that carbonyl sulphide can be used as such a fumigant, with fumigation pr...
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WO/1993/013176A1 |
Fire retardation and wood preservation compositions having inorganic salts encapsulated by a water-based acrylic resin solution. The salts are carried by water into the wood or cellulose product to be treated. After the water evaporates,...
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WO/1993/012659A1 |
Use of compounds of general formula (I), wherein R1 and R2 are methyl or hydrogen, R3 is: cyclohexyl, cyclohexenyl, or phenyl substituted in the para position, R4 is hydrogen, carboxy alkoxycarbonyl, optionally mono- or plurisubstituted,...
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WO/1993/012053A1 |
Building materials such as concrete were previously coated with silicones or silicates for water repellency, but such treatments do not prevent algae or other growths. It has now been determined that building materials can be protected f...
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WO/1993/008971A1 |
The invention concerns a method and a preservative for protecting wood against decay. According to the method wood is treated with a wood preservative capable of preventing the growth and spread of fungi, said preservative containing at ...
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WO/1993/008006A1 |
A stable aqueous solution containing specific silanes carrying at least one hydrophobic moiety and at least one water-solubilizing moiety is claimed along with the process for treating a cellulosic substrate and the treated cellulosic pr...
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WO/1993/005938A1 |
A device for the thermal pretreatment of wooden blanks (11) has a drum (1) with radial compartments (10) filled with a thermal treatment medium in which the wooden blanks (12) are arranged. An inner drum (8), at the outer circumference o...
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WO/1993/003862A1 |
Comminuted wood is converted to a colored wood product useful as a mulch by feeding the comminuted wood into the lower end of an angularly upward positioned screw conveyor (10) having an internal auger (14). The comminuted wood is contac...
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WO/1993/003896A1 |
The invention relates to a method wherein a wooden element or the like is mass impregneted in order to stabilize its dimensions and to reduce its porosity and its water absorption capacity. In a first closed housing, the element is degas...
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WO/1993/002557A1 |
This invention relates to preservative compositions which comprise a biocidal metal compound and a fungicidal compound containing a triazole group. Methods of treating wood with the composition are also described.
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WO/1993/002842A1 |
A method for heating wooden objects to be butted in connection with solid bending of such wooden objects, e.g. when manufacturing furniture. In solid bending, the objects are treated by means of heat and steam for a predetermined period ...
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WO/1993/001923A1 |
The present invention consists of a method of protecting wood or wood products against unwanted sapstain by treating said wood with one or more biological control microorganisms selected from the genus Gliocladium, (fungi: Hyphomycetes),...
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WO/1993/001348A1 |
This invention relates to a treating composition containing 0.3 to 30 % by weight of a fluoroaliphatic radical containing poly(oxyalkylene) compound, 0.3 to 30 % by weight of an anti-soiling agent and 0 to 60 % by weight of an environmen...
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WO/1992/022405A1 |
A one step process for imparting both decay resistance and fire retardancy to wood and cellulosic products by impregnating the products with a treatment solution composed of a known preservative compound and a known fire retardant compound.
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WO/1992/022404A2 |
A liquid injector for treating timber comprises an accumulator having a first compartment (10) for liquid and a second compartment (12) separated from the first compartment by a wall (4) having therein gas-diffusable means (5; 30), the s...
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WO/1992/021449A1 |
A process for forming a protective barrier (14) on metallic or wood surfaces to provide protection against abrasion, corrosion, heat, and fire. The process comprises by first forming a fixed surface (12, 16) on the metallic or wood artic...
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WO/1992/019663A1 |
The invention provides polymers or copolymers which are prepared by the polymerization of the reaction product of a diisocyanate with a perfluoro compound or an epichlorhydrinadduct thereof and (meth)acrylic esters of a three hydroxyl gr...
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WO/1992/019429A1 |
A method of quality improvement of wooden articles, such as improved preservation of wood through impregnation thereof. The impregnation is carried out by immersing the wooden articles in a bath of hot linseed oil or similar vegetable oi...
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WO/1992/019600A1 |
A process for the production of N-acylimidazoles by the reaction of a carboxylic anhydride with carbonyldiimidazole is disclosed. The products are useful as chemical intermediates.
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WO/1992/018007A1 |
The invention disclosed is a shaped rod for use as a preservative insert for wooden structures and a process of producing those rods. Water is added to a dry mixture comprising at least one boron compound and at least one fluorine compou...
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WO/1992/017325A1 |
A lumber processing agent including: a dimension stabilizing agent to be impregnated into the lumber for controlling expansion and contraction of the lumber, effectively preventing split of the lumber, and stabilizing the dimension there...
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WO/1992/016341A1 |
The invention described is a wood preservative applicator or bandage for wooden structures such as wooden poles which wraps around the pole at ground level. The bandage comprises an inert matrix (2) which has a surface for contact with t...
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WO/1992/015435A1 |
This invention provides a mehtod capable of drying a lumber without causing splits in and distortion of the lumber with an increased turnover of the drying machine, in which included are: a first process wherein the lumber is contained i...
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WO/1992/013650A1 |
Environmentally preferred water-based coatings can be substituted for solvent-based coatings in commercial wood finishing processes without sacrifice of coating quality. Discoloration of water-based coatings due to uneven leaching of chr...
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WO/1992/013687A1 |
Decorative shaped wood shavings are produced by forming green wood into curled shavings and subsequently drying those shavings, suitably after dying the curled green shavings.
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WO/1992/012848A1 |
Composition for use, in particular, in the manufacture of corks and process for the manufacture of said composition. A composition chiefly consisting of particles of ligneous plant matter such as natural cork or wood, a plastic material ...
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WO/1992/013039A1 |
The present invention concerns coating compositions based on a lacquer component (I) containing one or more unsaturated polyesters, reactive thinners, possibly organic solvents and possibly customary auxiliary agents and additives, and a...
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WO/1992/010341A1 |
The invention relates to a wood surface layer for a parquet and a method for manufacturing the same. A piece of fresh wood is cut in the cross-grain direction into slices or blocks which are carried through a microwave oven. Immediately ...
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WO/1992/010311A1 |
The invention relates to a parquet structure and a method for its manufacturing. A parquet surface layer (1) is made of wood blocks, wherein the direction of wood grains is perpendicular or at an acute angle relative to the level of parq...
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WO/1992/005191A1 |
Novel compounds of the general composition I, Lactate (1), Glycine (1), Valine (4), Isoleucine (1), pipecolic acid (1), Aspartic acid (1), Tyrosine (1), wherein each amino acid residue independently may occur in L- or D- form, and wherei...
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WO/1992/004166A1 |
A wood preservative composition comprising a mixture of two or more metallic soaps of long chain unsaturated fatty acids, the metallic component of soaps being selected from the group consisting of copper, zinc, chromium, iron, antimony,...
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