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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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WO/1992/004167A1 |
A method of producing a metal soap comprising the steps of reacting a source material of one or more fatty acids with aqueous potassium hydroxide, reacting the resultant saponified fatty acid with a water soluble metal oxide or a metal s...
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WO/1992/004165A1 |
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/1992/003267A1 |
A method for treating the surface of wood with the intention of extending its useful life. The invention is characterized in that knots are taken from the same type of wood as or from a different type of wood to the wood from which the w...
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WO/1992/000173A1 |
A method for controlling insects present in wood comprises the steps of heating the wood until it has reached a minimum temperature of 45 °C throughout; and simultaneously preventing water present in the wood from leaving the wood by pl...
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WO/1992/000077A1 |
High molecular weight petroleum fractions which have a low white oil content admixed with a volatile siloxane, hexamethyldisiloxane, octamethylcyclotetrasiloxane and/or decamethylcyclopentasiloxane and a compound that is both hydrophobic...
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WO/1991/017756A1 |
The present invention relates to short-chain polyalkylene glycol/ethylene glycol compositions and their methods of manufacture and use which are effective for delivering a homogeneous distribution of a boron containing active ingredient ...
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WO/1991/011305A1 |
Method for impregnating in depth wooden boards, sections or planks with plastic materials, comprising the treatment of the wood, preferably pre-dried and optionally, first under vacuum conditions and then under pressure conditions, with ...
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WO/1991/011306A1 |
The invention relates to an aqueous preservative composition which comprises a biocidal cation (which may be free cation or may be present as part of a complex) and nitrite ion (which may be free anion or may be present as part of a comp...
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WO/1991/009713A1 |
A method and apparatus for rigidifying wood which is thin or bent, such as softwood or thinnings removed in the course of their growth, and for making it straight and shaping it in an arbitrary shape. After the wood is placed in a high-t...
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WO/1991/008878A1 |
For the rotary truing of planks and the like which exhibit a twist about their longitudinal axes, the planks (1) pass through a plank guide channel (9), the twist about the longitudinal axis of which can be altered. The humidity of the t...
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WO/1991/009093A1 |
A fireproofing solution and a method for obtaining fireproofed products using the fireproofing solution is described. In a preferred embodiment, the fireproofing solution comprises magnesium chloride and magnesium oxide, which are solubi...
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WO/1991/007450A1 |
The binder is obtainable from a) 35 to 85 wt. % of fatty acid esters derived from unsaturated fatty acids, b) 5 to 25 wt. % of unsaturated dicarboxylic acid anhydride (preferably maleic anhydride), c) 5 to 25 wt. % of a hydroxy-functiona...
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WO/1991/007261A1 |
This invention relates to a drying method for wood and the like which comprises conducting impregnation treatment by allowing a plant manufactured lumber to be impregnated with an organic impregnant and subjected to a hydrothermal reacti...
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WO/1991/006614A1 |
In the manufacture of synthetic foams and also especially in that of timber materials using urea-formaldehyde condensate binders, the mol ratio between urea and formaldehyde is decisive for the resultant final rigidity and the presence o...
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WO/1991/005643A1 |
Confident that, when cracks occur in a piece of timber due to the heat treatment of the timber, an acoustic emission (AE) should occur, an effective AE signal directly involved with the cracks is discriminated and detected, and, in addit...
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WO/1991/004836A1 |
The process disclosed is characterized by a first, cleaning, phase in which the corks are treated, particularly with stirring, at ambient temperature in an aqueous alkaline solution containing a mixture of sodium hydroxide, sodium silica...
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WO/1991/004305A1 |
An aqueous water repellent composition comprising the reaction product of one or more of a carboxylic acid or anhydride containing from 3 to 22 carbon atoms and a polyfunctional aromatic or aliphatic amine or substituted amine containing...
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WO/1991/002637A1 |
A heated wood sample (46) having a water content exceeding 20 percent is compressed axially in the direction of the grain or fibres of the sample in a compression mould (10). Oppositely directed compressive forces are applied not only to...
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WO/1991/001862A1 |
An effective, environmentally compatible anti-fungal composition for protecting lumber from infestation by wood-staining and wood-rotting fungi comprises, as an active ingredient, an alkyl sulfosuccinate compound. A preferred alkyl sulfo...
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WO/1991/000326A1 |
Flame retarding and smoke retarding mixture consisting of: 70-96 weight % monoammonium phosphate and/or diammonium phosphate and/or ammonium sulphate, 1-20 weight % NaHCO3, 1-10 weight % EDTA, 0-28 weight % phosphoric acid (85 %), 0-5 we...
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WO/1991/000327A1 |
Improved fire retardant compositions, methods of making such compositions, and wood and other cellulosic products treated with such compositions which comprise a major amount of boric acid and a minor amount of (a) one or more synergist ...
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WO/1990/015533A1 |
Insecticidal and repellent compositions comprising ozonides of hydrocarbons are disclosed. Hydrocarbons which are believed to be active when prepared in accordance with the present invention include terpenes and unsaturated fatty acids d...
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WO/1990/013403A1 |
In a process for making a synthetic resin moulded block from fibres containing cellulose like wood fibres and a condensation resin binder like phenolic resin, for the continuous production of a mould blank or plate, a layer (19) of the v...
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WO/1990/011172A1 |
A liquid injector comprises an accumulator containing a liquid and a propellant gas, and a liquid delivery tube (10). The injector also comprises means between the tube (10) and the accumulator for affording restricted flow of liquid out...
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WO/1990/006840A1 |
The invention relates to a method for the quick and careful heating of wood or other materials which are sensitive to dehydration and heat damage. The heating is effected by placing the material in a chamber from which the air is complet...
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WO/1990/005621A1 |
The invention is a method of perfusing a material, such as wood, with a chemical composition that is insoluble in a given first fluid under supercritical conditions. A cosolvent is mixed with the first solvent to provide adequate solubil...
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WO/1990/003112A1 |
Tropical and temperate crops, particularly rice, maize, cotton, soya and fruit, can be protected, particularly against insect pests of the orders Lepidoptera, Diptera, Coleoptera, Hemiptera, Orthoptera, Dictyoptera, Hymenoptera and Isopt...
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WO/1990/002612A1 |
Method and process using a supercritical fluid, with or without the aid of entrainers to solubilize a monomer, monomer mixture or polymer which may or may not include additives and entrainers; to carry the supercritical solvent mixture (...
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WO/1990/000959A1 |
A method of treating timber or wood based board comprising exposing said timber or board to vapour derived from a mixture comprising an organo-boron compound and a second compound, said compounds being capable of forming a positive azeot...
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WO/1990/001054A1 |
A coating composition, containing a fluoropolymer, a film-forming adjuvant resin which is different from the fluoropolymer and adapted to react with the group represented by F in the functional organosilane of formula (I); and an amount ...
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WO/1990/001033A1 |
The invention concerns new diorgano tin compounds derived from N-cyclohexyl-N'-hydroxy diazenium oxide, as well as bactericides and fungicides which are suitable as disinfectants, as preservatives for wood and other materials, for bacter...
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WO/1989/011385A1 |
The present invention relates to a method and an apparatus for manufacturing a fiber slab (32), in which a fiber/air suspension is blown through a nozzle into a forming space (9). The forming space is defined by two mutually facing belt ...
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WO/1989/010956A1 |
Quaternary ammonium dithiocarbamate compounds having formula (I) or (II) and methods of preparing same by mixing in water a quaternary ammonium compound having formula (III) and a dithiocarbamate salt having formula (i) or a bis-dithioca...
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WO/1989/009096A1 |
A method for reinforcing in-place a hollow wooden structural component (1), in particular a damaged utility pole, by injecting into the internal cavities of the structural component (1) a polyurethane composition (2) which forms, upon cu...
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WO/1989/007694A1 |
Method for destructive treatment of harmful organisms, in particular dry rot, or insects by heating the structure to a temperature exceeding the maximum temperature of survival of the organism. In order to provide an effective destructio...
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WO/1989/005884A1 |
In a new process for reducing the density, increasing the bulk, the hand and the porosity of a sheet material containing fibres by means of a vegetable filler, a vegetable filler of density less than 500 kg/m3 is introduced into the fibr...
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WO/1989/003639A1 |
The invention provides a wipe comprising a flexible substrate, to at least a portion of which has been applied water-insoluble active agent which can be transferred to a surface by wiping and an indicator dye which becomes transferred to...
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WO/1989/003287A1 |
A preservative element, for timber or masonry, in the form of a shaped element containing an organic boron compound, especially a boro-organic ester. Preferably the element also contains inorganic boron salts or acids, and optionally als...
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WO/1989/000154A1 |
Aqueous boron-containing compositions containing about 40 to 85 % of the reaction product of boric acid and alkylamine in a mole ratio of from 1.5:1 to 3:1, about 2 to 15 % of an alkanol or alkyene glycol and the balance water. The compo...
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WO/1988/010184A1 |
A process for industrial production of stabilized aggregates comprises the folowing sequence of operations : mechanical reduction by nibbling machine, calibration, heat treatment in a rotary furnace at a decreasing temperature between 80...
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WO/1988/010183A1 |
A whole treated wood fiber material is useful, for example, in the drilling industry and as a scavanger for oil. Fiberized alder is a preferred species and it is treated with a chemical such as a nitrogen containing cationic surfactant o...
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WO/1988/008780A1 |
In a process for treating freshly cut timber, during which the raw timber prepared for drying, e.g. sawn timber, is dried in a known manner in a drying chamber at a temperature between 40 and 100°C until a moisture content of at least 3...
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WO/1988/004601A1 |
Organic boron compounds having an ability to hydrolyse in use, particularly orthoboric acid esters such as methoxy or ethoxy boranes or the mono or biboranes of glycols such as ethylene or hexylene glycol are used as wood preservatives, ...
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WO/1988/000482A1 |
A mixture, specially useful for fire control and fireproofing impregnation, is composed of 91.4 vol. % of an alkali metal citrate as fire control substance, 2.1 vol. % of 1,2 ethanediol as anti-freezing substance, 0.09 vol. % of alkylary...
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WO/1988/000114A1 |
Apparatus for vacuum-pressure impregnating material comprising: (a) an autoclave (32) having a main treatment chamber (33) to receive material to be impregnated with treatment chemical and an upper chamber (34) communicating with the mai...
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WO/1987/006176A1 |
Fungicides for preservation of wood, such as tributyltin oxide (TBTO) and tributyltin naphthenate (TBTN), are stabilized through inhibition of a normal autooxidation by addition of up to 1% of at least one metal salt of formula (I), wher...
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WO/1987/006177A1 |
Ammoniacal aqueous solutions containing rosin, metal and a surface active agent which is a nonionic tenside or a quaternary ammonium compound. The surface active agents solubilize the combination of metal and rosin and the solutions are ...
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WO/1987/005271A1 |
A magnetic power system for transporting charges without friction includes at least one magnet (1) secured to the charge (7) and cooperating with a ferromagnetic profiled carrier (2). It is essential that the magnets (1) be so arranged r...
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WO/1987/005251A1 |
A plug of deformable material such as wood or plastic, for tightly sealing a cylindrical recess provided in wood, in which recess a crushable ampulla with a wood attack combating agent can be accommodated, said ampulla being attachable i...
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