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WO/2004/106632A1 |
A refiner steam separation system according to the present invention includes a blowline for transporting a mixture of fiber material from a refiner to an inlet of a steam separator. Waste steam is discharged from the separator through a...
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WO/2004/101889A2 |
Methods for reducing energy required for a pulp refining processes by treating a mechanical pulp with a hemicellulase composition are presented. The enzymatic treatment can be carried out at a temperature of from about 10 degree C to abo...
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WO/2004/093926A1 |
A material having a deodorizing function, characterized in that it comprises a paper powder and, held therein, copper or zinc or a copper compound or a zinc compound; a method for producing a material having a deodorizing function which ...
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WO/2004/083519A1 |
A manufacturing process of a paper substrate intended to be vulcanised or parchmentised, consisting in : subjecting, in a dry state, the cellulose fibres to energy radiation; defiberizing and refining in an aqueous environment the irradi...
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WO/2004/076745A1 |
Through-air dried ('TAD') fibrous structures, especially TAD fibrous structures incorporated into sanitary tissue products, that comprise a short fiber furnish having a length of from about 0.4 mm to about 1.2 mm and a low coarseness of ...
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WO/2004/076741A2 |
Fibrous structures, especially fibrous structures incorporated into facial tissue, toilet tissue and paper towel and napkin products, that comprise a fiber having a length of from about 0.4 mm to about 1.2 mm and a coarseness of from abo...
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WO/2004/072362A1 |
The present invention relates to a plant and a method for producing and treating wood fibres in a plant comprising a fibre-producing part having a chip preheater (1) and a beater (2) for freeing fibre from wood chips. Such a plant and su...
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WO/2004/072363A1 |
The present invention relates to an arrangement for and a method of treating pulp, and a method of modernizing a pulp tower. The arrangement and method relate to treating pulp in connection with high-consistency pulp towers, and especial...
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WO/2004/064991A2 |
An improved pulper (35) rotor having a spar ring attached to a hub (14) of the rotor with a series of curved vanes (37) projecting from the spar ring. The vanes are removable from the spar ring.
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WO/2004/063462A2 |
A paper strap (410) that includes a paper body that is formed of a compound structure. Such a paper strap further includes an adhesive material (420) formed on at least a portion of the paper body. Methods for using the paper strap inclu...
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WO/2004/053224A1 |
The present invention provides a method for treatment of chemical pulpfor the manufacturing of paper or paperboard whereby reducing the energy demand during refining comprising the following steps: a) treatment of the pulp with a complex...
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WO/2004/050985A1 |
The present invention concerns a method for decreasing the amount of wood extractives in wood chips. According to the method, nitrogen is added to the wood chips in a form suitable for the micro-organisms occuring naturally in the wood c...
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WO/2004/050984A1 |
A waste paper fibrous material utilization system and waste paper disintegration apparatus whereby not only can information leakage be prevented but also generation of waste liquid can be avoided while reducing the cost for waste paper d...
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WO/2004/050983A1 |
The present invention provides, according to a first aspect, a method for treatment of wood chips from soft or hard wood or a mixture thereof for the reduction of non-process elements and/or organic process disturbing substances in a mec...
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WO/2004/046455A1 |
The purpose of this invention is to provide a method and an apparatus for producing thermomechanical fibers using less energy per ton that has previously been required for similar type of production. The invention is based in that at lea...
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WO/2004/045966A1 |
A food container formed by compressing a mixed material composed of unboiled bamboo fibers and mixed fibers prepared by mixing unboiled grass family vegetable fibers and unboiled legume family vegetable fibers such as lespedeza fibers. A...
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WO/2004/040058A1 |
The present invention relates to an apparatus for separating steam from a mixture of steam and fibres, comprising an elongated feeding compartment (12) having an inlet and feeding means (10) for feeding a mixture through said inlet. The ...
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WO/2004/027033A2 |
The present invention provides lentiviral vectors that are useful in human gene therapy for inherited or acquired proliferative ocular disease. It furnishes methods to exploit the ability of lentiviral vectors to transduce both mitotical...
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WO/2004/022842A1 |
A method of producing mechanical pulp, comprising impregn ation of fiber material with an enzyme-containing aqueous liquid prior to defibration and refining of the fiber material to produce a mechanical pulp. According to the invention, ...
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WO/2004/020733A1 |
The present invention relates to an apparatus and method for automatically defibering and extracting kraft pulp from old corrugated cardboards. The apparatus includes a) a pulper (1) for crushing, separating and defibering old corrugated...
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WO/2004/018767A1 |
A method of treating fibres produced by the thermal treatment of waste materials with pressurised steam (in a vessel 2), which method includes, drying the fibres (in a drier 9) such that the moisture content of the fibre is in the range ...
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WO/2004/018747A1 |
The present invention relates to a process of producing a fibre mat using fibre from oil palm, comprising the steps of de-oiling and dewatering of a shredded fibre by pressure press, drying said shredded fibre in a drying device, feeding...
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WO/2004/013408A1 |
The invention relates to a method for producing fibrous materials for the manufacture of paper, cardboard and cardboard packaging from waste wood chips. To achieve this, the wood chips are impregnated with an alkaline peroxide solution, ...
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WO/2004/009900A1 |
A chip pretreatment process and apparatus which comprises conveying the chip material through a compression screw device (22) having an atmosphere of saturated steam at a pressure above about 5 psig, decompressing (24) and feeding the de...
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WO/2004/003288A1 |
The present invention relates to a method for manufacturing mechanical or chemi-mechanical pulp by disintegrating and treating wood material. The wood material is defibrated in a first step with a low energy input compared to conventiona...
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WO/2004/003289A1 |
The invention provides a process for producing mechanical pulp from vegetative matter. The process comprises using high pressure fluid jets to break apart the vegetative matter into small particles and to further reduce the size of the p...
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WO/2003/100165A1 |
An impeller (1; 20) for paper pulp kneaders is disclosed comprising an essentially plan bottom flange (2) connectable to driving means, a central shaft (4) which starts from the plane (K) defined by the bottom flange (2) in order to dete...
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WO/2003/097928A1 |
An impeller (1; 20; 30) for paper pulp kneaders is disclosed comprising an essentially plan bottom flange (2), a central shaft (4) which starts from the plane (K) defined by said bottom flange (2) in order to determine a longitudinal spi...
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WO/2003/095737A1 |
A method of producing a high quality paper pulp slurry from high silica content agricultural waste material. The method includes combining the agricultural waste materials with a chemical composition to form a mixture, cooking (21) the m...
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WO/2003/093555A1 |
The present invention relates to a nonwoven web comprised of metal or refractory fibers with nylon as a binder. The nonwoven web is prepared by forming a foam furnish by agitating the fibers in a foamed medium, and passing the foam furni...
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WO/2003/089715A1 |
The invention relates to a method for controlling the water jet sharpening sequence of a pulp grinder (1), in which method a high-pressure water sharpening jet (18) is directed to the surface of a pulpstone (3) with a water sharpening ap...
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WO/2003/089699A1 |
The present invention is related to a bamboo fibre, which uses fasciate bamboo as raw material, and is 1000-3000 metric counts. The invention is aimed at providing a kind of raw material for making face fabric instead of cotton, chemical...
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WO/2003/087469A1 |
The present invention relates to a method for forming a non-woven fibrous web comprised of refractory fibers which comprises forming a foam furnish by agitating the fibers in a foamed medium, and passing the foam furnish onto a screen an...
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WO/2003/080923A1 |
The invention relates to a method for defibring recycled fibre material in a drum pulper (1) provided with a substantially horizontal drum (2). Recycled fibre material and water are fed to the drum pulper (1) and the drum (2) of the drum...
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WO/2003/080922A1 |
The invention relates to a method for adjusting the fibrous properties of chemical pulp, mechanical pulp or chemi-mechanical pulp, for adjusting the smoothness of the properties and for decreasing any variation in quality. According to t...
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WO2002014599A9 |
The invention relates to a method of steaming lignocellulosic material to be pulped. The material is treated in a superheated steam atmosphere. The treatment can be used for loosening up the structure of fibre for mechanical pulping and/...
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WO/2003/074789A1 |
Molded fiber products using agriculture residues are economical and environmentally beneficial. Molded fiber manufacturing is different from molded pulp. The present invention discloses a method of and an apparatus for the manufacturing ...
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WO/2003/074779A1 |
The invention concerns a sluice feeder comprising an inlet (1), an outlet (11), and a rotor (2), into which sluice feeder material to be fed from a first medium to a second medium sealed from the first medium is fed to the inlet (1). The...
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WO/2003/062526A1 |
The invention relates to a method for bleaching (3) mechanically defibered pulp (14) with peroxide in alkaline conditions and for washing (4) the bleached pulp (15) and recovering chemicals from the spent liquor (16) of the bleaching ste...
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WO/2003/052199A1 |
An improved method of recovering and beneficially treating cellulosic fibers from compacted waste material containing waste paper before fibrillation by confining the waste material within a closed chamber containing a beneficially treat...
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WO/2003/043749A1 |
The invention comprises a roller screen (1) for separating two or more finer and coarser material fractions of wood chips from each other, in particular for separating fines fraction and pin chips fraction from the wood chips that are us...
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WO/2003/040462A1 |
A method of producing pulp for use in making paper products using microwave radiation to pretreat the source of pulp prior to further processing. Practising the method of the invention results in substantial energy savings while decreasi...
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WO/2003/039825A1 |
A method of processing lingo-cellulosic material includes the steps of comminuting the material to a size that it can be processed in a hydrothermal pressure vessel, drying the material in moving air to obtain a specific moisture content...
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WO/2003/035970A1 |
A method for treating diverse pulp and paper materials, including such products contained in municipal solid waste and biohazardous wastes, to produce a homogenous cellulosic product comprises the steps of feeding diverse pulp and paper ...
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WO/2003/033152A1 |
The present invention relates to extraction bedplates (10), (110), (210), (310), (410), (510), (610) for use in apparatus (5) for defiberizing paper making stock and methods for making such bedplates. Preferred methods for making such be...
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WO/2003/031717A1 |
The invention relates to a method of separating colouring agents, particularly printing ink, from recycled fibre material, in which method the recycled fibre material is defibered using a liquid, so that colouring agent is separated from...
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WO/2003/028906A1 |
Multiple shafts (24) are aligned along a frame and configured to rotate in a direction causing paper products to move along a separation screen (12). The shafts (24) are configured with a shape and spacing so that substantially rigid pie...
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WO/2003/025279A1 |
Method and apparatus for producing fibre pulp and fuel out of municipal waste or for producing fibre pulp out of waste paper. To control the microbe content the retention time of the process is kept shorter than 12 hours, advantageously ...
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WO/2003/018906A2 |
An equipment (1; 40) for preparation of paper stock is disclosed comprising : a kneader (2) having a rotary cylinder (2a) with horizontal axis (X) adapted to treat waste paper in an aqueous environment to obtain the paper stock; a collec...
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WO/2003/016434A2 |
In order to reduce the content of carbon dioxide in the atmosphere, the invention provides a method for depleting carbon from the atmosphere according to which a carbon formulator is separated into at least two phases, whereby at least o...
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