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WO/2008/154969A1 |
The invention relates to a method for forming calcium carbonate in a fibrous suspension (1). Calcium hydroxide is brought into contact with a fibrous material such that it penetrates into the inside of the fibre (lumen) in a reinforced m...
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WO/2008/157321A2 |
Storage-stable glyoxalated polyacrylamide polymers and high solids aqueous compositions formulated with them are described. These glyoxalated polyacrylamide compositions can be used as additives for papermaking, providing paper with good...
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WO/2008/154961A1 |
The present patent application relates to a web coating process, a coated web obtainable by the web coating process, a web coating device as well as a web mill system comprising said web coating device, wherein precipitated calcium carbo...
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WO/2008/154970A1 |
The invention relates to a method for forming filler materials, particularly calcium carbonate, in a fibrous suspension. Calcium hydroxide is brought into contact with an aqueously coated fibrous material and said mixture is ground. Gase...
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WO/2008/152299A2 |
The present invention relates to a crease-resistant security sheet comprising: fibres, an anionic polymer in a proportion between 5 and 45% by dry weight relative to the total weight of dry fibres and that has a glass transition temperat...
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WO2008061003B1 |
Waxes prepared from hydrogenated plant oils, such as castor, palm, and soybean, are used to prepare water based emulsions. The inventive waxes, obtained from naturally derived, renewable resources, were emulsified under anionic, cationic...
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WO/2008/150230A1 |
The invention relates to a sol containing silica-based particles having an axial ratio of at least about 10 and specific surface area of at least about 600 m2/g. The invention further relates to a sol containing silica-based particles ha...
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WO/2008/149226A1 |
The invention relates to a method for preparing a composition, characterised in that it comprises the steps of: a) preparing an aqueous solution of at least one comb polymer of (meth)acrylic acid having an alkoxy and/or hydroxy polyalkyl...
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WO/2008/148204A1 |
A continuous filler treatment process has been developed to enhance the fixation of anionic latex on filler in a short time. In this process anionic polymer dispersions (latex) are added to common papermaking filler slurries at ambient t...
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WO/2008/150647A1 |
Aqueous binder compositions for fiber mats include a urea-formaldehyde resin and an aqueous emulsion of a copolymer prepared by polymerization of a monomer mixture including styrene, an alkyl (meth)acrylate, acrylonitrile, and an unsubst...
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WO/2008/142209A1 |
The invention relates to a process for producing paper or board from an aqueous fibre suspension, which process includes the step of adding a process chemical to the aqueous fibre suspension, said process chemical being a polymer obtaine...
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WO/2008/139160A2 |
A process for the manufacture of a paper suitable for use in a laminated product is described. The process comprising: (a) impregnating the paper preferably on the paper machine with melamine resins dissolved in a solvent, the melamine r...
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WO/2008/141093A1 |
ASA sizing emulsions are described, as well as emulsifying agents containing starch and a terpolymer of acrylamide/quaternary ammonium compound/glyoxal, and an ASA blend that contains ASA and a co-surfactant blend of anionic surfactant a...
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WO/2008/134823A1 |
A method of manufacturing a b-stage resin impregnated décor paper that is suitable for inclusion in a decorative or industrial laminate, includes impregnating a décor print base paper with a resin carried by a solvent, which resin incl...
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WO/2008/135901A2 |
A tissue paper product having at least one ply wherein only one outer surface of the tissue paper product has a chemical softening agent applied and substantially affixed thereto is disclosed. The chemical softening agent provides the ti...
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WO/2008/135900A2 |
A tissue paper product having at least one ply, wherein only one outer surface of the tissue paper product has an aqueous chemical softening agent applied and substantially affixed thereto is disclosed. The chemical softening agent is ap...
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WO/2008/131793A1 |
The additive includes a polymer of an alkylene glycol or a copolymer of different alkylene glycols.
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WO/2008/131819A1 |
The invention relates to a method for loading fibres in a fibrous suspension with calcium carbonate, comprising the following steps: a) provision of a fibrous suspension containing fibres with a pH value of less than 9.5; b) addition of ...
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WO/2008/131821A1 |
The invention relates to a method for loading fibres in a fibrous suspension with calcium carbonate, comprising the following steps: a) provision of a fibrous suspension containing fibres; b) addition of a calcium salt to the fibrous sus...
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WO/2008/131818A1 |
The invention relates to a method for forming calcium carbonate in a fibrous material suspension, wherein the fibers provided in the form of a suspension are saturated with the precipitated calcium carbonate. The scope of saturation of t...
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WO/2008/132228A1 |
The invention relates to a method for reducing the energy consumption at the refining of a pulp suspension in a papermaking process. The reducing of the e nergy consumption is provided by treating said pulp suspension with non-stoichiome...
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WO/2008/131820A1 |
The invention relates to a method for loading fibres in a fibrous suspension with calcium carbonate, comprising the following steps: a) provision of a fibrous suspension containing fibres; b1) addition of a compound selected from the gro...
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WO/2008/128594A1 |
The invention relates to a method for forming calcium carbonate in a fibrous suspension. A liquid containing calcium hydroxide is introduced into a moistened fibrous material and the fibrous material in a reactor (1) is mixed with carbon...
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WO/2008/129197A2 |
Composite filler in the form of an agglomerate comprising: a titanium oxide pigment (TiO2) in the form of particles; at least one hollow particle species filled with air, having a median size greater than 0.2 µm.
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WO/2008/128595A1 |
The invention relates to a method for forming filler materials, particularly calcium carbonate in a fibrous material suspension. In a special embodiment, calcium hydroxide is brought into contact with an aqueously coated fibrous material...
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WO/2008/123493A1 |
A process for producing a coated-paper base and a coated paper in which the coated-paper base is produced by a neutral papermaking method with a gap former papermaking machine of the roll-and-blade former type which has a dehydration mec...
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WO/2008/116755A1 |
The invention relates to a process for the preparation of an aqueous composition of zirconium carbonate and an alkali metal salt in which a zirconium compound and an alkali metal bicarbonate are reacted, in the aqueous phase, with a bica...
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WO/2008/113887A1 |
The invention relates to a method of manufacturing board (2), a board provided by the method, and a container formed from the same, such as a disposable drinking cup. According to the invention, fibre-based stock is doped with a polymer ...
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WO/2008/113934A2 |
The invention relates to acrylamide cationic copolymers obtained by a so-called Hofman degradation reaction using an alkaline and/or alkaline-earth hydroxide and an alkaline and/or alkaline-earth hypohalide. The invention also relates to...
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WO/2008/113839A1 |
The present invention relates to a process for the control of pitch in an aqueous medium by adding surface-reacted natural calcium carbonate or an aqueous suspension comprising surface-reacted calcium carbonate and having a pH greater th...
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WO/2008/110191A1 |
The invention relates to a method for the preparation of fibrous material for the production of paper, cardboard, or some other fibrous web, wherein the fibers provided in the form of a suspension are saturated with a precipitate and sub...
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WO/2008/111613A1 |
Disclosed are: a novel endoglucanase PPCE which is derived from Penicillium pinophilum; a cellulase preparation containing the endoglucanase PPCE; and a method for the treatment of a cellulose-containing fiber utilizing the endoglucanase...
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WO/2008/110254A1 |
The invention relates to a method for producing a flat, printed or printable component (6), in particular for use on floors, walls, ceilings and/or furniture. According to the invention, a resin-impregnated, printable or printed paper la...
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WO/2008/110456A2 |
By treatment with hydrophobins, cellulosic materials such as paper, cardboard, cotton or, especially, wood-based materials, such as solid wood, glued wood products or particle board, can be effectively protected against absorption of and...
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WO/2008/110276A1 |
The invention relates to a method for producing a flat, printed or printable component (9), in particular for use on floors, walls, ceiling and/or furniture. A resin-impregnated paper layer (1) that can be printed or is printed with a co...
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WO/2008/110661A1 |
The invention relates to a method for making printing paper, which method comprises forming an uncoated paper. In accordance with the invention, a surface-size mixture comprising starch and polyvinyl pyrrolidone is arranged on the surfac...
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WO/2008/112534A2 |
The present invention relates to the use of quaternary ammonium borate compositions as biocides and/or paper additives in pulp and/or paper processing.
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WO/2008/110275A1 |
The invention relates to a method for producing a flat, printed or printable component (7), in particular for use on floors, walls and ceilings and/or furniture. According to the invention, a resin-impregnated, printable or printed paper...
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WO/2008/107620A2 |
The invention relates to stable branched cationic or amphoteric (co)polymers derived from acrylamide, obtained by means of the degradation reaction known as the Hofmann reaction, using an alkaline and/or alkaline earth hydroxide and calc...
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WO/2008/104574A1 |
A coating composition comprising a starchy material, said material having: - a number average molecular weight (Mn) of 3 500 to 20 000 Daltons, - a granular structure before solubilisation, - a solubilityat pH 7 and 20°C (S1) of 30-90%,...
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WO/2008/100492A2 |
This invention teaches the stabilization a dispersion of rosin using an alkanolamine salt of the rosin. The stabilized dispersion is used as a sizing agent in papermaking processes.
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WO/2008/098599A1 |
The method serves for forming a filler, particularly calcium carbonate, wherein a reaction is triggered between calcium oxide or calcium hydroxide and gaseous carbon dioxide. This reaction occurs in the presence of the fibrous substance ...
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WO/2008/095764A1 |
A process of making filled paper comprising the steps of providing a thick stock cellulosic suspension that contains mechanical pulp and filler, diluting the thick stock suspension to form a thin stock suspension, in which the filler is ...
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WO/2008/095654A1 |
The present invention relates to a process for preparing a hydrophobic starch derivative by esterifying alcoholic functions with organic acid anhydrides in aqueous salt solutions. The resulting hydrophobic starch derivatives improve, for...
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WO/2008/095769A1 |
A process of making paper or paperboard with improved ashretention relative to totalretention comprising the steps of providing a thick stock cellulosic suspension that contains filler, diluting the thick stock suspension to form a thin ...
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WO/2008/094084A1 |
A packaging laminate for a thin-walled packaging container for liquid dairy produce. The laminate (11) includes a thin layer (11) of paper or paperboard and outer, liquid-tight polyolefin coatings (12, 13) of which one (12) contains ligh...
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WO/2008/090787A1 |
Suitability for sizing is effectively imparted to paper while reducing the amounts of an internal sizing agent and aluminum sulfate to be used. An additive for papermaking is provided which is a mixture (pretreated filler) of a filler an...
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WO/2008/091494A2 |
A method for the treatment of micro pores (24) within a mica paper (20) that includes obtaining a silane with a molecular weight of between approximately 15 and 300, and adding the silane to the mica paper (20). Then reacting the silane ...
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WO/2008/085055A1 |
The invention relates to compositions that are useful as fire- retardant, in particular as fire-retardants for the impregnation of lignocellulosic based materials, such as honeycomb structures made of (recycled) paper that are frequently...
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WO/2008/084313A1 |
The present invention relates to a method for producing an aqueous dispersion or suspension of calcium carbonate and kaolin that comprises the steps of producing, in the optional presence of a grinding or dispersing agent, an aqueous dis...
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