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WO/2013/090564A1 |
This invention is directed to a multilayered sheet comprising a release paper and an inorganic refractory layer coated onto one surface of the release paper wherein the refractory layer has a dry areal weight of from 15 to 50 gsm and a r...
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WO/2013/083110A1 |
The invention relates to an aqueous liquid for impregnating base paper, said liquid comprising an organic acid, a preferably saturated hydrocarbon compound of medium chain length, a metal salt compound, sodium chloride, an organic solven...
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WO/2013/083546A1 |
A method for producing a mineral solid from a raw material that contains calcium and kaolin and is thermally treated in a combustion process at a temperature between 600 and 850°C, preferably between 700 and 780°C, and wherein thermall...
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WO/2013/081911A1 |
A water-disintegratable non-woven sheet comprising fibers bound by a water-soluble cellulose ether can be produced by a) laying fibers to a base sheet, b) contacting the base sheet with a water-based composition comprising a water-solubl...
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WO/2013/076128A1 |
A method is disclosed of applying an area of add-on material 5 to a base web 3 comprising providing a slurry of fibrous material in a liquid, forming a base web of fibrous material and liquid from the slurry, applying at least one area o...
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WO/2013/078133A1 |
The invention is directed towards methods, compositions, and apparatus for increasing the strength of paper made out of a furnish having a large proportion of OCC. The method involves the following steps: 1) Providing a paper furnish hav...
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WO/2013/078163A1 |
Methods and systems for making paper and controlling wet strength resin fouling of paper- making felt are provided. Wet strength resin fouling, including degradation, clogging, changes in absorption, or a combination thereof, can be cont...
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WO/2013/072639A1 |
The subject matter of the invention is a coating slip comprising water, at least one pigment and at least one modified starch, exhibiting: • a weight-average molecular weight ranging from 250 000 to 2 000 000 Da; • a solubility, meas...
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WO/2013/072564A1 |
The invention relates to a method for manufacturing furnish for a paper product, wherein the manufactured furnish contains fibril cellulose material. The method comprises introducing first raw material to a system, which first raw materi...
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WO/2013/072277A2 |
AKD cellulosic composition obtainable by flowing a stream of a cellulosic suspension through a shearing device and in which a molten alkyl ketene dimer (AKD) is metered in to the stream of cellulosic suspension in or prior to the shearin...
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WO/2013/072586A1 |
The present invention relates to the use of slightly anionic polymer additives in coating slips containing at least one mineral salt or organic salt or a cationic compound, said slips being intended for ink-jet printing paper. These addi...
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WO/2013/068363A1 |
The use in paper coatings is described of a mixture of an aqueous secondary dispersion of a polymer selected from polyalkylene carbonates, polyesters and polyethylene and an aqueous primary dispersion of an emulsion polymer having a glas...
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WO/2013/070884A2 |
The present invention provides formulations for papermaking and methods for their use. In embodiments, the formulations include a treatment agent and a fluid carrier, where the treatment agent includes a volatile debonder or a polymer co...
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WO/2013/068253A1 |
Method for neutralisation of negatively charged contaminants in aqueous media by adding positively charged materials, characterised in that the positively charged materials comprise metal ions generated electrolytically from a metallic s...
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WO/2013/060947A1 |
The present invention relates to a security paper that is unfalsifiable with respect to attempts at falsification with redox combinations based on permanganate, characterized in that it comprises, on its surface or/and in its bulk, bariu...
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WO/2013/063356A2 |
A method is provided for controlling organic contaminants, such as xylans, pitch or both, that interfere with bleaching of fibers and/or cause other interference(s) in papermaking systems. The method includes contacting fibers before any...
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WO/2013/060961A1 |
The invention relates to a method for manufacturing an aqueous suspension of talc, by means of a copolymer of (meth) acrylic acid that has an oxyalkylated monomer having a grafted surface-active function, and to the aqueous suspensions o...
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WO/2013/053997A1 |
The invention relates to a packaging board comprising a fibrous base and one or more polymer coating layers on one or both sides of the fibrous base. According to the invention the fibrous base contains the combination of an alkyl ketene...
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WO/2013/053990A1 |
The invention belongs to the field of biodegradable and water-soluble compositions which may be used as adhesives or binders. More particularly, the object of the invention is a composition containing at least one alkali or earth- alkali...
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WO/2013/045067A1 |
The present invention relates to a low‑tension cover layer which is intended for a laminate material and comprises a resin‑impregnated decorative paper with or without printing or a resin‑impregnated overlay paper, or a combination...
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WO/2013/041986A2 |
The disclosure provides tissue webs, and products incorporating the same, where the webs comprise wood and bamboo fibers. More specifically the disclosure provides soft and durable through-air dried tissue webs comprising at least about ...
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WO/2013/041561A1 |
This invention relates to a stable aqueous disersion suitable for application to different substrates and especially to paper substrates for producing a barrier layer against compounds of the saturated and aromatic hydrocarbon type. The ...
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WO/2013/041987A2 |
The disclosure provides a tissue product comprising at least one multi-layered tissue web that includes a first fibrous layer and a second fibrous layer. The first fibrous layer comprises wood fibers and the second fibrous layer comprise...
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WO/2013/039311A2 |
The present invention relates to a method for preparing mineral pulp by preparing environmentally friendly mineral fibers using waste coal resources such as waste coal, coal ash, dust coal, pumice, coal refuse or tailing generated in ind...
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WO/2013/038061A1 |
The invention provides a method of controlling retention on a forming fabric in a paper making process, an intermediate product for use in the method, as well as use of material for the intermediate product. For making the intermediate p...
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WO/2013/034811A1 |
The invention relates to a method for manufacturing a material component from a starting material of plant origin so that the material component is formed by grinding from the starting material. According to the invention, the starting m...
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WO/2013/030178A1 |
The present invention relates to a process for preparing self-binding pigment particles comprising the following steps: a) providing an aqueous mineral pigment material suspension; b) providing at least one polymeric binder, wherein the ...
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WO/2013/030051A1 |
The invention relates to a process for preparing self-binding pigment particle suspensions, to a self-binding pigment particle suspension as well as to a paper product comprising self-binding pigment particles and to the use of the self-...
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WO/2013/026528A1 |
The invention relates to an aqueous dispersion for treating natural fibers (3), and to a method for treating natural fibers (3). According to the invention, the aqueous dispersion for treating natural fibers (3), in particular wood fiber...
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WO/2013/026578A1 |
The invention relates to a method for manufacturing paper, paperboard or cardboard comprising the steps of (a) pulping an aqueous cellulosic material containing a starch; (b) preventing at least a portion of the starch from being microbi...
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WO/2013/020344A1 |
Disclosed are a water-soluble modified melamine-formaldehyde impregnating resin, a preparation method therefor, and a use thereof. The steps are as follows: preparing a water-soluble methyl etherified melamine-formaldehyde resin an addit...
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WO/2013/017508A1 |
The invention relates to pressure-resistant and flexurally stiff paper structures impregnated with urethane-modified polyurea, and to a process for production thereof.
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WO/2013/012613A1 |
Methods and compositions for softening paper. An inventive composition and method of its use softens paper products (like tissue paper) by de-bonding its cellulose fibers and by improving the smoothness of the resulting paper. The invent...
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WO/2013/005756A1 |
Provided is a method for producing a white pigment, comprising a first step of burning a sludge at 600-800˚C to produce paper-making sludge ashes, a second step of adding an aluminum processing sludge to the paper-making sludge ashes or...
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WO/2013/003142A1 |
The disclosure provides a paper slurry comprising a treated inorganic particle having reduced photoactivity and improved anti-microbial properties, wherein the treated inorganic pigment comprises: an inorganic core particle; a first trea...
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WO/2012/175528A1 |
The process of the present invention concerns manufacturing paper and paperboard employing two polymeric retention aids. These two polymeric retention aids should be added to the low consistency suspension, often referred to as the thin ...
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WO/2012/175392A1 |
The invention relates to a method for producing paper, paperboard, and cardboard, comprising dewatering a paper material having filler material and having at least one water-soluble amphoteric copolymer, forming sheets in the wire sectio...
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WO/2012/175788A1 |
The invention relates to a method for manufacturing a printing paper product, in which method natural fibres are introduced into a system which comprises a paper machine. In the method, calcium hydroxide and carbon dioxide are admixed to...
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WO/2012/168398A1 |
The invention relates to powder compositions, the particles thereof having at least one inorganic pigment, characterised in that at least one biodegradable polyester polymer and/or polyalklene carbonate polymer is arranged on the pigment...
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WO/2012/168204A1 |
The present invention relates to a process for the production of paper and board which comprises: (a) introducing one or more fillers,one or more anionic polysaccharides and one or more cationic agents into a mixing zone to form a filler...
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WO/2012/164909A1 |
The present invention is: a polyacrylamide-based dry paper-strengthening agent containing amphoteric polyacrylamide, the polyacrylamide-based dry paper-strengthening agent being characterized in that the amphoteric polyacrylamide is obta...
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WO/2012/164916A1 |
This invention is a method for manufacturing paperboard, the method having an exceptional paper-strength-improving effect and yield-improving effect, and the method being characterized in comprising adding a papermaking additive to a pul...
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WO/2012/156904A1 |
The present invention relates to a sheet of high-durability paper, in particular for the production of bank notes, comprising: a fibrous substrate and a protective coating completely covering at least one surface of the fibrous substrate...
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WO/2012/152281A1 |
The invention relates to a transfer paper (4) for use for transferring a print of ink onto a fabric, said transfer paper comprising: i) a base paper (2); ii) an additive (8) comprising a starch component, and a binding agent; wherein sai...
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WO/2012/151524A2 |
Methods are disclosed for preparing lignin from lignocellulosic biomass using rapid full or partial pressure reduction to separate and pulverize the lignin without fouling the equipment and with improved energy recovery.
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WO/2012/149019A1 |
The present invention relates to a drainage aid composition and its use in pulp washing process. More particulary, this invention relates to drainage aid composition of silicone polyethers prepared via zinc cataiized dehydrogenative coup...
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WO/2012/148907A1 |
The disclosure provides a paper slurry comprising a treated inorganic pigment, wherein the treated inorganic pigment comprises an inorganic pigment comprising a pigment surface area of about 30 to about 75 m2/g; wherein the pigment surfa...
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WO/2012/144233A1 |
A sizing agent composition comprising, as the component to be emulsified, a mixture which comprises (A) a fatty acid ester that is liquid under the condition of 1atm and 20°C and that is represented by structural formula (1) R1-COO-R2 a...
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WO/2012/142425A1 |
A process for producing an acylated vinylamine-containing polymer is disclosed. The acylated vinylamine-containing polymer is produced by reacting a vinylamine-containing polymer with at one acylating agent.
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WO/2012/137102A2 |
The present disclosure relates generally to a tissue product having a creping composition disposed onto at least one surface thereof to increase the softness of the article, while retaining or improving manufacturing efficiency. Preferab...
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