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Stora Enso Oyj patents


Recent patent applications related to Stora Enso Oyj. Stora Enso Oyj is listed as an Agent/Assignee. Note: Stora Enso Oyj may have other listings under different names/spellings. We're not affiliated with Stora Enso Oyj, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "S" | Stora Enso Oyj-related inventors


Conductive carbon powder, a method for the manufacturing thereof and use thereof

The present invention relates to a conductive carbon powder emanating essentially from lignin, a method for the manufacturing thereof and use thereof. Said powder may emanate from an electrically conductive carbon intermediate product, in turn emanating essentially from lignin. ... Stora Enso Oyj

An activated lignin composition, a method for the manufacturing thereof and use thereof

The present invention relates to an activated lignin composition, its manufacture and its use thereof. It also relates to a resin comprising lignin, its manufacture and use.. ... Stora Enso Oyj

Inkjet ink receptive coating comprising esterified or etherified starch and an inorganic mineral

A method of manufacturing a paper or paperboard with improved printing properties, which method comprises the steps of, providing a paper or paperboard substrate, comprising cellulosic fibres, providing a coating composition comprising a mixture of an esterified or etherified starch and a inorganic mineral; and coating at least one surface of said substrate with at least one layer of said coating composition.. . ... Stora Enso Oyj

Method for treating lignocellulosic materials

A method of generating a refined sugar stream that comprises xylose from a biomass hydrolysis solution including contacting a biomass hydrolysis solution that includes a population of mixed sugars comprising xylose, an acid, and impurities, with an extraction solvent to form an extraction mixture; and separating from said extraction mixture a first stream that includes the acid and a second, refined sugar stream that includes the extraction solvent and xylose. The extraction solvent is a tri-alkyl phosphine oxide, a dialkylsulfoxide, or a dialkylphosphite, or any combination thereof.. ... Stora Enso Oyj

Generation of biomass

The present invention relates to a method for manipulating the growth and/or structure of a plant, for increasing biomass. The method of the invention is achieved by increasing the expression and/or activity of pxy and/or cle in the vascular tissue of a plant.. ... Stora Enso Oyj

Apparatus and method for component assembly

Apparatus (200, 300, 400) for component positioning comprises at least one receptacle (212, 412) configured to receive a number of components (103) to be placed on a target substrate (108, 111), agitator (210, 410) configured to exert force impulses, such as abrupt force impulses, on the receptacle so as to cause the components to change their position inside the receptacle, inspection equipment (216, 316, 416) configured to verify the position of the components inside the receptacle, and pick and place equipment (206, 306, 406) configured to pick one or more components from the receptacle that fulfil a predefined position criterion and place the components on the target substrate. A related method for component positioning is presented.. ... Stora Enso Oyj

Method for treating lignocellulosic materials

A method of generating a refined sugar stream that comprises xylose from a biomass hydrolysis solution, including contacting a biomass hydrolysis solution that includes a population of mixed sugars comprising xylose, an acid, and impurities, with a thermally-phase separable solvent such as a glycol solvent to form an extraction mixture; and separating from said extraction mixture a first stream including the thermally-phase separable solvent, acid, and impurities and a second, refined sugar stream that comprises xylose. The thermally-phase separable solvent is an ethylene glycol or a propylene glycol ether, such as 2-butoxyethanol or 1-propoxy-propanol or any combination thereof.. ... Stora Enso Oyj

Method for applying a wallpaper material

The present invention relates to a method for applying a wallpaper material onto a surface comprising the steps of providing a liquid suspension comprising cellulosic fibers wherein at least part of said cellulosic fibers comprises microfibrillated cellulose and wherein said liquid suspension has a dry content of at least 10% by weight, applying at least one layer of said liquid suspension onto the surface, drying said liquid suspension layer after it has been applied onto the surface, and thereby forming a dry fiber web layer, wherein said fiber web layer forms said wallpaper material.. . ... Stora Enso Oyj

Stora Enso Oyj

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Hydrophobically sized fibrous web and a method for the preparation of a sized web layer

The invention relates to a hydrophobically sized fibrous web layer, methods for the preparation of a fibrous web or a fibre-based coating, a multilayer board product having at least a middle layer formed of said fibrous web, as well as use of a heat-sensitive surfactant for said methods and products. According to the method microfibrillated cellulose (mfc) and hydrophobic size are brought to a foam with water and the heat-sensitive surfactant, the foam is supplied to a forming fabric of a paper or board machine, dewatered by suction of air through the forming fabric, and dried to a web product. ... Stora Enso Oyj

Versatile and reliable intelligent package

A package comprises a body, and an electrically conductive pattern supported by said body. An interface portion is configured to receive a module to a removable attachment with the package. ... Stora Enso Oyj

Improved method for determination of microorganisms

The present invention relates to determination of the microorganism content in material comprising cellulose within the pulp and paper industry. The material comprising cellulose is enzymatically pretreated and microorganisms are determined using pcr based technology.. ... Stora Enso Oyj

A method for manufacturing microfibrillated polysaccharide

The present invention relates to a method for manufacturing microfibrillated polysaccharide, preferably microfibrillated cellulose. The invention also relates to microfibrillated cellulose obtainable by the method and use of the microfibrillated cellulose. ... Stora Enso Oyj

Method for producing a foam web

Method for producing a sterilized foam web, wherein the method comprising the steps of preparing a wet foam (1),feeding the wet foam (1) to a head box (2, 11),distributing the wet foam by the head box (2, 11),treating the wet foam (1) with electron beam radiation (3a, 3b, 3c) to immobilize and sterilize the wet foam (1),receiving the electron beam treated foam on a moving wire (4) to form a foam web (6, 13), pressing and the foam web (6, 13),and drying the foam web (6, 13).. . ... Stora Enso Oyj

10/26/17 / #20170305949

A method of purifying lignin by subjecting a slurry comprising lignin to an electric field

The present invention relates to a process for purifying, such as salt/ion depletion, and/or ash reduction,and/or sulphur removal, and/or free sugar depletion,and/or voc depletion or fractionating,preferably by using dewatering, of a slurry comprising a lignin or lignin derivative or a combination thereof. A lignin or lignin derivative obtainable from said process and uses thereof are also disclosed.. ... Stora Enso Oyj

10/26/17 / #20170305097

Method and apparatus for deep-drawing a tray from sheet material

The invention relates to a method and an apparatus for deep-drawing a tray (1) from a blank of sheet material (2). The blank is provided with score lines, which determine the location of wrinkles formed in the process. ... Stora Enso Oyj

08/10/17 / #20170226738

A gluelam structural member and a method of producing such a gluelam structural member

The present disclosure provides a structural member (10), such as a beam, a stud or a joist, presenting a predetermined bending direction (b). The structural member comprises a plurality of glued-together wood lamellae (20a, 20b), each having a lamella cross section which is parallel with a cross section of the structural member (10) and a longitudinal direction which is parallel with a longitudinal direction of the structural member and with a principal grain direction of the wood lamellae (20a, 20b). ... Stora Enso Oyj

07/13/17 / #20170197930

Processes for the preparation of 2,5-furandicarboxylic acid and intermediates and derivatives thereof

The present disclosure provides processes for the production of 2-5-furandicarboxylic acid (fdca) and intermediates thereof by the chemocatalytic conversion of a furanic oxidation substrate. The present disclosure further provides processes for preparing derivatives of fdca and fdca-based polymers. ... Stora Enso Oyj

06/29/17 / #20170183822

A method of increasing the filler content in paper or paperboard

The invention relates to a method of making paper or paperboard comprising the steps of; a. Providing a stock suspension; b. ... Stora Enso Oyj

05/04/17 / #20170121913

Process for producing at least one ply of a paper or paperboard product and a paper or paperboard product

The present invention relates to a process for producing at least one ply of a paper or paperboard product which process comprises the steps of; subjecting cellulosic fibers to heat treatment wherein the fibers are treated at a high dry content and at an increased temperature, preparing a slurry comprising said heat treated fibers, forming a web of said slurry and, dewatering said web whereby a ply of said product is formed. The present invention further relates to a paper or paperboard product produced according to the process.. ... Stora Enso Oyj

04/20/17 / #20170107669

Substantially dry composite comprising a nanofibrillated polysaccharide

A substantially dry composite material comprising a nanofibrillated polysaccharide and two or more additives, wherein the composite nanofibrillated polysaccharide is a microfibrillated cellulose and wherein the additives are lime milk and carbon dioxide, wherein the additives are allowed to react with each other and forming a precipitated calcium carbonate on the nanofibrillated polysaccharide, thereby forming a composite product comprising precipitated calcium carbonate and nanofibrillated polysaccharide.. . ... Stora Enso Oyj

03/30/17 / #20170088794

Method for recovering crude tall oil

The present invention relates to a method for recovering crude tall oil from a soap which method comprises the steps of: determining a correlation between the crude tall oil content and the water content of the soap, determining an amount of acid and water needed in order to separate an optimal amount of crude tall oil from the soap dependent on the crude tall oil content of the soap, measuring the water content of the soap, adding the optimal amount of acid and water to the soap, mixing the added acid and water with the soap whereby an acidulated soap is formed and the crude tall oil is separated and recovering the separated crude tall oil from the acidulated soap.. . ... Stora Enso Oyj

03/23/17 / #20170081497

Electrically dissipative elastomer composition comprising conductive carbon powder emanating from lignin, a method for the manufacturing thereof and use thereof

The present invention relates to an elastic composition comprising a conductive carbon powder, a method for the manufacturing thereof and use thereof.. . ... Stora Enso Oyj

03/16/17 / #20170073495

Electrically dissipative polymer composition comprising conductive carbon powder emanating from lignin, a method for the manufacturing thereof and use thereof

The present invention relates to abase polymer material composition comprising a conductive carbon powder, a method for the manufacturing thereof and use thereof.. . ... Stora Enso Oyj

03/16/17 / #20170073494

Electrically dissipative foamable composition comprising conductive carbon powder emanating from lignin, a method for the manufacturing thereof and use thereof

The present invention relates to a composition comprising a conductive carbon powder and a foamable polymer, a method for the manufacturing thereof and use thereof. Also a method for making a foam is disclosed, together with a foam obtainable from said method and use thereof.. ... Stora Enso Oyj

03/09/17 / #20170067208

A method of making a thermoplastic fiber composite material and web

A method for forming a thermoplastic composite material in a papermaking machine, wherein the method comprises the steps of: forming an aqueous fiber material suspension; bringing said fiber suspension in contact with at least one additive, said additive being introduced into said fiber suspension, whereby said additive reacts to form a precipitation product onto or into the fibers, thereby forming an intermediate suspension, introducing, after the formation of the intermediate suspension, a plastic material into said intermediate suspension, thereby forming a plastic fiber composite suspension.. . ... Stora Enso Oyj

02/23/17 / #20170051456

Process for producing at least one ply of a paper or board and a paper or board produced according to the process

The present invention relates to a process for producing at least one ply of a paper or board product wherein a web comprising mechanical and/or chemimechanical pulp and at least one dry strength additive is dried in a press drying process by subjecting the web to heat and an overpressure of above 40 kpa. The present invention also relates to a paper product, a paperboard product and a ply produced according to the process.. ... Stora Enso Oyj

02/02/17 / #20170028701

A method of producing a heat-resistent polymer-coated oven board, an oven board obtainable by the method, a food tray and a food package

The invention covers a method of producing a heat-resistant polymer-coated oven board, the resulting oven board, a food tray and a food package, which comprise such board and withstand heating in a range or microwave oven. According to the invention the coated oven board (1) is made by adhering a premade heat-resisting film (4) comprising polyethylene terephthalate (pet) or its derivate, such as glycol-modified pet known as petg, to a board base (2) by extrusion lamination, in which an adhesive layer (3) comprising polyamide (pa) is extruded between the heat-resisting film and the board base. ... Stora Enso Oyj

01/26/17 / #20170022664

Method of digesting cellulose fibrous material in a continuous digester

The invention discloses a method of continuous cooking cellulose fibrous material in a digester, said digester having a top and a bottom. The method of the invention comprises the steps of:—feeding a slurry comprising cellulosic fibrous material and cooking liquor into the top the digester,—feeding a first washing liquor into the bottom portion of the digester, which first washing liquor moves counter currently up through at least part of the digester,—removing pulp from the bottom of the digester,—feeding a second washing liquor into the center of the digester at least at the level of a first screen section,—feeding a third washing liquor into the center of the digester at the level of a second screen section, and—withdrawing the cooking liquor and the washing liquors from the first screen section and from the second screen section, which first screen section is arranged in a lower part of the digester and which second screen section is arranged below said first screen section. ... Stora Enso Oyj

01/12/17 / #20170008264

A method for manufacturing a packaging material

The invention relates to a polymer-coated packaging material, a method of manufacturing the same, and products, such as a disposable drinking cup, made from the material. The packaging material comprises a fibrous base (1) of paper or board and an extruded polymer layer (2) containing a blend of (i) 0 to 25 wt-% of a branched low-density polyethylene (ldpe)with a lower melt viscosity and (ii) 75 to 90 wt-% of a linear low-density polyethylene (lldpe) with a higher melt viscosity. ... Stora Enso Oyj

01/12/17 / #20170008227

Method of use of polylactide and method of manufacturing a heat-sealed paper or board container or package

The invention relates to use of polylactide (pla) as an extruded polymer coating on paper or board intended for the production of containers and packages, which are heated in a stove or microwave oven. According to the invention a polyfunctional cross-linking agent, such as trialkyl isocyanureate (taic), is blended with pla, and the extruded coating layer is subjected to cross-linking electron beam (eb) radiation. ... Stora Enso Oyj

01/12/17 / #20170008226

Methods for lowering melt viscosity and improving heat-sealability of polyester and for manufacturing a heat-sealed container or package

The invention relates to methods for lowering the melt viscosity and thereby improving heat-sealability of a polyester. The invention also relates to a method for manufacturing a heat-sealed container or package from fibrous- based, polyester-coated packaging material, and a method for heat-sealing polyester. ... Stora Enso Oyj








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