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WO/1999/067462A1 |
A method for calendering paper or board in the manufacture of coated grades of paper or board. According to the method, at least one of the surfaces of an uncoated base material web is calendered, at least one layer of coating mix being ...
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WO/1999/067465A1 |
A cellulosic substrate which is suitable for use as a mailer or envelope and which has at least one transparentized portion is provided. A method of transparentizing a cellulosic substrate by the application of a transparentizing materia...
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WO/1999/063158A1 |
Disclosed is a soft, low density paper product made using papermaking fibers and a cationic temporary wet strength resin. Such paper products have a density less than about 0.6 grams per cubic centimeter, a basis weight is between about ...
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WO/1999/060208A2 |
The invention relates to a method for marking coated paper substrates, more particularly, printed, painted or metallized paper substrates by treating the paper substrate with laser energy before printing, painting or metallizing. The inv...
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WO/1999/055966A1 |
Method and arrangement for coating a paper or board web, wherein the web (1) to be coated is brought to a film transfer coater and taken to a nip (12) between the film transfer roll (3) of the coater and its backing roll (4), and coating...
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WO/1999/053140A1 |
Rolled creped paper products, such as kitchen towels, can be provided with high roll bulk and a high degree of roll firmness by steaming the dry, creped paper sheet immediately prior to embossing the sheet between matched steel embossing...
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WO/1999/051431A1 |
This invention relates to the synthesis from PET (virgin, recycled, post consumer, or precursor raw materials) of novel water dispersible or water emulsifiable polyester resins having improved hydrophobicity or non-polar characteristics....
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WO/1999/051819A1 |
An improved method of deacidifying books, imaged paper and other imaged materials having a cellulose base wherein, for a sufficient time to raise the pH of the materials, the materials are treated with alkaline particles of a basic metal...
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WO/1999/051430A1 |
This invention relates to the synthesis from PET (Virgin, recycled, post consumer, or precursor raw materials) of novel water dispersible or water emulsifiable polyester resins having improved hydrophobicity or non-polar characteristics....
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WO/1999/051818A1 |
Modern techniques for manufacturing paper using mechanical wood pulp has lead to a persistent over-acidification of printed manner, and threatens to permanently destroy the same. This over-acidification can be neutralized by using an alk...
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WO/1999/050501A1 |
The invention relates to a device for applying a coating substance to a continuous paper web in a process for producing abrasion-resistant laminates for manufacturing decorative paper. Said coating substance consists of a viscous mixture...
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WO/1999/047751A1 |
A method for producing creped paper products comprising applying to a drying surface, a film-forming semi-crystalline polymer and a non-thermosetting cationic resin wherein the resin is characterized by a highly branched structure that l...
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WO/1999/046781A1 |
Process provides wetlaid printed wiring board core stock precursor material that incorporates resin within cellulose matrix and that can be partially cured by conventional means to form PWB B-stage materials (20). Process also provides f...
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WO/1999/041454A1 |
The invention relates to a method and device for disacidifying paper products with printings or inscriptions (thereafter called 'books'). According to said method, book pages to be treated are wide opened by means of an opening jet and t...
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WO/1999/040809A1 |
The invention concerns an air permeable paper sheet as support element for a layer of fabrics (mat) on a production line in particular during the cutting phase. The invention is characterised in that said sheet has in its thickness pores...
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WO/1999/036617A1 |
An impulse-dried paper having a three-dimensional pattern of alternating raised and recessed portions which is given the paper in connection with the impulse drying. The paper contains at least 10 % by weight, calculated on the dry fiber...
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WO/1999/036620A1 |
An impulse-dried paper having a three-dimensional pattern of alternating raised and recessed portions which is conveyed to the paper in connection with the impulse drying. The paper contains at least 0,05 % by weight, calculated on the d...
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WO/1999/035334A1 |
The present invention concerns a method for treating the surface of a fibrous web by mechanical grinding. According to the invention, the grinding is performed at substantially dry state by removing only the higher parts of the paper sur...
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WO/1999/035207A1 |
A deacidification composition for use in for treating printed cellulosic materials is provided. A method of making the composition and a method of preparing components of the composition also are provided. The composition includes a meta...
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WO/1999/034060A1 |
A method of increasing the wet strength of a creped sheet, which method involves providing a sheet (36) which includes cellulosic fibers, which sheet has a first side and a second side; applying (50) a low temperature-curing latex adhesi...
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WO/1999/034056A1 |
A web structure is formed by a process including first through-air drying the fibrous web comprising at least about 20 % non-premium fiber, next applying a bonding material to the fibrous web, and next creping the fibrous web to form the...
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WO/1999/030839A1 |
A foamable thermal insulating barrier coating produced from an aqueous acrylic based latex emulsion and a blowing agent for coating paper and paperboard and especially suitable for coating one or both sides of cupstock to retain heat and...
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WO/1999/031320A1 |
A cast-coated paper has, on at least one coated surface of a base paper, a coat containing pigment(s) and binder and having low gloss. The coat has a topographical surface profile in which the average peak-to-valley height R¿a? is from ...
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WO/1999/029959A1 |
A film-like product is produced in such a way that an emulsion paint (12) which can be sublimated and a plastic, especially a polyolefin (14) are applied to a porous substrate (10) and the plastic or polyolefin seeps into the porous subs...
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WO/1999/025924A1 |
The present invention is generally directed to base webs that are creped after a bonding material has been applied to at least one side of the web according to a predetermined pattern. The base web disclosed in the present application is...
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WO/1999/023290A1 |
An improved cloth-like base web is disclosed. In particular, the base web of the present invention has a cloth-like look and feel and has improved absorbency. The base web is made by first hydroneedling a web containing pulp and/or stapl...
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WO/1999/020706A2 |
The invention relates to an at least two-layer compress for transferring an active agent from the compress into an object, comprising at least the following: a) one porous water-permeable membrane layer and b) one layer of a flexible mat...
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WO/1999/016973A2 |
There is disclosed a method for sizing paper by adding to the surface of the paper a sizing composition comprising cellulose reactive and cellulose non-reactive size. The sized paper perfoms better in ink jet printing than does paper tha...
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WO/1999/015331A1 |
A pre-preg substrate, having a low dielectric constant and containing a substantially uniformly distributed hollow-glass-microsphere filler, and method for making the same. The pre-preg substrate is treated with impregnation and laminati...
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WO/1999/014433A1 |
The invention concerns a method for making coated paper comprising at least a mark resembling a watermark characterised in that it consists in producing said mark after the drying step following the last coating operation, by carrying ou...
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WO/1999/013154A1 |
A structural mat matrix comprises (a) a substrate which consists essentially of from 80 % to 99 % by weight fiberglass fibers and from 20 % to 1 % by weight wood pulp and (b) a binder which consists essentially of from 80 % to 95 % by we...
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WO/1999/011861A1 |
A multiply paper web comprises a base ply (101) of a post-manufactured sheet such as reused old newsprint or reused office waste. An upper and/or lower ply (103) is bonded to the base ply by bonding agent (107) to cover any printing or c...
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WO/1999/005360A1 |
A process for increasing the solvent resistance of calendered paper consisting of poly(p-phenylene terephthalamide) short fibers and poly(m-phenylene isophthalamide) fibrids and the dimensional stability of laminates made therefrom.
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WO/1999/004091A1 |
The invention concerns a blade of a doctor for a roll in a line of manufacture of paper/board, which blade of a doctor comprises a polymer material and optionally a fibre reinforcement. By means of the blade of a doctor, doctoring and co...
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WO/1999/002773A1 |
Method and apparatus for drying a coated paper web (W) or the like web. The apparatus (10) comprises sequentially in the running direction of the web - a turning device (16) arranged on the first side of the web and provided with blow no...
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WO/1998/056729A1 |
A method of manufacturing a finished product from exfoliated vermiculite particles includes the steps of impregnating the exfoliated vermiculite particles with an impregnating composition consisting of a mineral oil and a liquid thermose...
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WO/1998/056990A1 |
The invention relates to a method for producing paper, mat, laminate or similar material web (16) using a binder feeding mechansim (12) and by subsequent hardening, in particular of a material web (16) having high plybond strength which ...
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WO/1998/056991A1 |
A method of manufacturing a finished product from a lignocellulosic material selected from the group consisting of lignocellulosic particles or fibres, soft boards, and board precursors in sheet form includes the steps of impregnating th...
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WO/1998/056989A1 |
A method of manufacturing a finished product from a length of a lignocellulosic material, such as a length of solid wood or chip board, includes the steps of impregnating the length of lignocellulosic material through its depth with an i...
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WO/1998/056987A1 |
A heat-resistant fiber paper composed mainly of a short fiber of a heat-resistant organic, high-molecular-weight polymer and a fibrid of a heat-resistant organic, high-molecular-weight polymer, wherein the content of the short fiber in t...
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WO/1998/055695A1 |
The present invention provides a multi-layered wiping product that maintains desired characteristics of softness, strength, stretchability, absorbency, and the like. The wiping product is formed from a process using a multi-layered paper...
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WO/1998/052752A1 |
The invention relates to a method or device for removing a thin composite material from a central area made of paper, for example in restoring books when the original sheets are completed by adding missing sections and a central layer. T...
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WO/1998/053143A1 |
The invention relates to a method for drying paper, in particular whole books. This drying method can, however, also be applied to other absorbent and, in particular, organic materials, especially layered materials. The invention seeks t...
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WO/1998/053140A1 |
The invention concerns a composite blade (1) usable in particular in the paper industry, comprising a substrate (2) providing the main mechanical properties, an interface coating (3) deposited on at least part of at least one of the surf...
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WO/1998/050170A1 |
A method and apparatus for producing paperboard, the method comprising steps of applying a coating mix layer having a thickness greater than that of the final coat thickness to the surface of the web (6) being coated using a coating mix ...
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WO/1998/050169A1 |
A method and apparatus for coating a paper or a paper board web (5), comprising spreading coating mix having a solids content of 55 to 75 % on the surface of the web (5) with a nozzle applicator (3, 9), levelling and metering the spread ...
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WO/1998/049395A1 |
The present invention is generally directed to single ply scrim-like wiping products having great softness and strength. The wiping products are made from a paper web containing softwood fibers in combination with bicomponent fibers. Onc...
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WO/1998/044201A1 |
The invention relates to a method and a device for coating a continuous strip of material (B), specially paper or cardboard, with a liquid or paste-like application medium. Said pre-dosed application medium is applied (at 240) directly o...
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WO/1998/044181A1 |
A soft, absorbent nonwoven fibrous web, such as a wet wipe, capable of dispersing in an aqueous environment into unrecognizable pieces, made by a method comprising the steps of forming a wet-laid nonwoven web from an aqueous slurry of fi...
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WO/1998/042290A1 |
A dual-zoned, three-dimensional, resilient absorbent web is disclosed which is suitable as body-side liner for absorbent articles such as feminine pads, diapers and the like. When used as a liner in absorbent articles, the dual-zoned web...
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