Patents by Inventor Harri Kosonen
Harri Kosonen has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20240124620Abstract: The invention relates to a method for manufacturing thermoplastic poly(vinyl alcohol) derivative in a melt state reaction and a product thereof, wherein the method thermoplastic poly(vinyl alcohol) that has been dried is heated and admixed with an organic acid anhydride that has a catenated carbon structure which ends into a vinyl group, such that a mixture is obtained which is above the melting point of the mixture, thereby causing an ester bond forming condensation reaction in a melt state, wherein at least some of the organic acid anhydride reacts with hydroxyl groups of the thermoplastic poly(vinyl alcohol), such that reaction product is formed which contains carboxylic acid residue and thermoplastic poly(vinyl alcohol) derivative which contains ester bonded pendant chains of which at least some end into vinyl groups. The invention further relates to a method for manufacturing a paper substrate and a product thereof, which contains a primer layer that contains the reaction product.Type: ApplicationFiled: December 21, 2023Publication date: April 18, 2024Inventors: Kuisma LITTUNEN, Harri KOSONEN, Janne ANTILA, Jaakko RAUTALAHTI, Mikko RISSANEN
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Patent number: 11932992Abstract: The invention relates to a method for manufacturing a paper substrate suitable for binding silicone in a catalytic hydrosilation reaction and products thereof, wherein the molecular weight of polyvinyl alcohol is used to control the viscosity of the water-based acetalization reaction, such that a paper substrate may be coated with acetalized polyvinyl alcohol that contains high amount of functional vinyl groups, wherein the functional vinyl groups are part of catenated carbon structures which contain at least 4 carbon atoms and which have an acetal connectivity with the backbone chain of the acetalized polyvinyl alcohol.Type: GrantFiled: October 9, 2018Date of Patent: March 19, 2024Assignee: UPM-KYMMENE CORPORATIONInventors: Harri Kosonen, Mikko Rissanen, Kuisma Littunen, Jaakko Rautalahti, Janne Antila
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Patent number: 11897974Abstract: The invention relates to a method for manufacturing thermoplastic poly(vinyl alcohol) derivative in a melt state reaction and a product thereof, wherein the method thermoplastic poly(vinyl alcohol) that has been dried is heated and admixed with an organic acid anhydride that has a catenated carbon structure which ends into a vinyl group, such that a mixture is obtained which is above the melting point of the mixture, thereby causing an ester bond forming condensation reaction in a melt state, wherein at least some of the organic acid anhydride reacts with hydroxyl groups of the thermoplastic poly(vinyl alcohol), such that reaction product is formed which contains carboxylic acid residue and thermoplastic poly(vinyl alcohol) derivative which contains ester bonded pendant chains of which at least some end into vinyl groups. The invention further relates to a method for manufacturing a paper substrate and a product thereof, which contains a primer layer that contains the reaction product.Type: GrantFiled: March 18, 2019Date of Patent: February 13, 2024Assignee: UPM-KYMMENE CORPORATIONInventors: Kuisma Littunen, Harri Kosonen, Janne Antila, Jaakko Rautalahti, Mikko Rissanen
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Publication number: 20230312996Abstract: The application relates to a polymeric film (FILM 1) for a release liner (REL2), comprising a polymeric support layer (S1) of a first composition comprising one or more polyolefins and/or polyesters, and an extruded primer layer (PRIM1) of a second composition comprising a thermoplastic polymer covalently bounded to functional vinyl groups.Type: ApplicationFiled: September 17, 2020Publication date: October 5, 2023Inventors: Jaakko RAUTALAHTI, Harri KOSONEN, Kuisma LITTUNEN
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Publication number: 20220298725Abstract: The invention relates to method for producing viscosity controlled cellulosic material having a viscosity value in a range between 150 ml/g and 500 ml/g in a continuous process, the method comprising the following steps: i) forming a cellulose-water mixture (15) comprising water and chemically treated wood-based cellulosic material, the cellulose-water mixture (15) having a dry matter content between 3% and 20%, ii) treating the formed cellulose-water mixture (15) in a plasticization step (100) at a temperature between 130° C. and 200° C., and a pressure between 3 bars and 15 bars, at least 5 minutes and 120 minutes at the most, while mixing the cellulose-water mixture (15), and feeding hot water and/or water steam to the cellulose-water mixture, thereby obtaining a treated mixture (18), and iii) depressurizing the treated mixture (18) in a depressurizing step (105) in a controlled manner, thereby obtaining the viscosity controlled cellulosic material (20).Type: ApplicationFiled: May 10, 2019Publication date: September 22, 2022Inventors: Pasi VIRTANEN, Matti RISTOLAINEN, Harri KOSONEN, Teemu POHJALAINEN, Sakari MODIG, Janak SAPKOTA
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Publication number: 20220162357Abstract: The invention relates to a method for manufacturing thermoplastic poly(vinyl alcohol) derivative in a melt state reaction and a product thereof, wherein the method thermoplastic poly(vinyl alcohol) that has been dried is heated and admixed with an organic acid anhydride that has a catenated carbon structure which ends into a vinyl group, such that a mixture is obtained which is above the melting point of the mixture, thereby causing an ester bond forming condensation reaction in a melt state, wherein at least some of the organic acid anhydride reacts with hydroxyl groups of the thermoplastic poly(vinyl alcohol), such that reaction product is formed which contains carboxylic acid residue and thermoplastic poly(vinyl alcohol) derivative which contains ester bonded pendant chains of which at least some end into vinyl groups. The invention further relates to a method for manufacturing a paper substrate and a product thereof, which contains a primer layer that contains the reaction product.Type: ApplicationFiled: March 18, 2019Publication date: May 26, 2022Inventors: Kuisma LITTUNEN, Harri KOSONEN, Janne ANTILA, Jaakko RAUTALAHTI, Mikko RISSANEN
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Publication number: 20210340708Abstract: The invention relates to a method for manufacturing a paper substrate suitable for binding silicone in a catalytic hydrosilation reaction and products thereof, wherein the molecular weight of polyvinyl alcohol is used to control the viscosity of the water-based acetalization reaction, such that a paper substrate may be coated with acetalized polyvinyl alcohol that contains high amount of functional vinyl groups, wherein the functional vinyl groups are part of catenated carbon structures which contain at least 4 carbon atoms and which have an acetal connectivity with the backbone chain of the acetalized polyvinyl alcohol.Type: ApplicationFiled: October 9, 2018Publication date: November 4, 2021Inventors: Harri Kosonen, Mikko Rissanen, Kuisma Littunen, Jaakko Rautalahti, Janne Antila
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Patent number: 10435538Abstract: The invention relates to a method for manufacturing a composite product comprising organic natural fiber material and matrix material, wherein the method comprises mixing the organic natural fiber material with the matrix material in a primary mixing stage to form a mixture. The primary mixing stage comprises a contacting step in which the organic natural fiber material comes in contact with the matrix material that is at least partly in a form of melt, and compression ratio of the organic natural fiber material is less than 8. The method further comprises forming a composite product comprising the mixture. Further, the invention relates to a composite product, a use of the composite product, and a system for manufacturing a composite product.Type: GrantFiled: August 28, 2012Date of Patent: October 8, 2019Assignee: UPM-KYMMENE CORPORATIONInventors: Harri Kosonen, Kari Luukko, Sami Turunen, Jere Salminen, Stefan Fors, Petri Myllytie
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Patent number: 10414074Abstract: Providing composite structures with micro contoured surface layer. There is provided a method to adjust roughness level of micro contoured surface layer when manufacturing a composite and products thereof. The micro contoured surface layer may cover all or at least part of the surface area of the composite product. The roughness level of micro contoured surface layer may be increased or decreased by controlling the process parameters. In particular, there is provided a method to increase the roughness level of composite material having a primary surface layer with a primary surface roughness by softening the primary surface layer of the composite material by heating and providing a secondary surface layer of the composite material surface with a secondary surface roughness by cooling the softened surface layer. Further, there are provided methods to determine and visualize the level of micro contoured surface layer roughness on a composite product surface.Type: GrantFiled: May 14, 2013Date of Patent: September 17, 2019Assignee: UPM-KYMMENE CORPORATIONInventors: Kari Luukko, Stefan Fors, Harri Kosonen, Sami Turunen, Jere Salminen, Petri Myllytie
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Patent number: 10406747Abstract: The invention relates to a composite material filament having rheological characteristics suitable for use in additive manufacturing by extrusion, a method for manufacturing a three-dimensional composite product with an additive manufacturing system from a filament of such composite material, and to a three-dimensional composite product obtained by an additive manufacturing system using such composite material. The filament is formed of material comprising semi-crystalline polylactic acid and chemical pulp of wood-based cellulose fibers, wherein the amount of chemical pulp of wood-based cellulose fibers is selected such that sufficient complex viscosity is obtained at melt state, such that upon additive manufacturing by extrusion, composite melt formed of the filament has a ratio of shear storage modulus to shear loss modulus G?/G? equal to or higher than 1.0 at a temperature equal to or higher than 133° C.Type: GrantFiled: April 27, 2017Date of Patent: September 10, 2019Assignee: UPM-KYMMENE CORPORATIONInventors: Eve Saarikoski, Harri Kosonen, Ari P. Kinnunen, Ari Nurminen
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Patent number: 9976005Abstract: The application relates to a composition and manufacturing and a use of a composite structure having vibrational properties and to a product thereof. According to an embodiment a composition comprises a matrix material and organic natural fiber material, wherein speed of sound is arranged to be different in different directions in the composition.Type: GrantFiled: November 1, 2012Date of Patent: May 22, 2018Assignee: UPM-KYMMENE CORPORATIONInventors: Harri Kosonen, Sami Turunen, Jere Salminen, Petri Myllytie, Kari Luukko, Stefan Fors
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Patent number: 9928821Abstract: The invention relates to a composite comprising matrix material and organic natural fiber material. The composite may be a compound, a granulate, or at least a part of a sound reproduction device. The composite may be made by injection molding. According to an embodiment a composite comprises matrix material and organic natural fiber based material, wherein the matrix material comprises a thermoplastic polymer matrix. The composite may comprise a relative sound wave resistance of 1500-5000. The composite may comprise a relative damping of sound radiation of 1.5-5.0. The composite may comprise a dynamic modulus of 2000-11000 measured according to ISO 6721-3. The composite may comprise a relative acoustic quality factor of 5-200. The composite may comprise a relative factor of viscous damping of 0.500-0.005.Type: GrantFiled: April 9, 2013Date of Patent: March 27, 2018Assignee: UPM-KYMMENE CORPORATIONInventors: Harri Kosonen, Sami Turunen, Jere Salminen, Petri Myllytie, Kari Luukko, Stefan Fors
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Publication number: 20170361527Abstract: The invention relates to a composite material filament having rheological characteristics suitable for use in additive manufacturing by extrusion, a method for manufacturing a three-dimensional composite product with an additive manufacturing system from a filament of such composite material, and to a three-dimensional composite product obtained by an additive manufacturing system using such composite material. The filament is formed of material comprising semi-crystalline polylactic acid and chemical pulp of wood-based cellulose fibres, wherein the amount of chemical pulp of wood-based cellulose fibres is selected such that sufficient complex viscosity is obtained at melt state, such that upon additive manufacturing by extrusion, composite melt formed of the filament has a ratio of shear storage modulus to shear loss modulus G?/G? equal to or higher than 1.0 at a temperature equal to or higher than 133° C.Type: ApplicationFiled: April 27, 2017Publication date: December 21, 2017Inventors: Eve Saarikoski, Harri Kosonen, Ari P. Kinnunen, Ari Nurminen
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Patent number: 9574075Abstract: The invention relates to a method for manufacturing a composite product comprising organic natural fiber material and matrix material, wherein the method comprises mixing the organic natural fiber material with the matrix material in a primary mixing stage to form a mixture. The primary mixing stage comprises a contacting step in which the organic natural fiber material comes in contact with the matrix material that is at least partly in a form of melt, and bulk density of the organic natural fiber material is less than 500 kg/m3. The method further comprises forming a composite product comprising the mixture. Further, the invention relates to a composite product, a use of the composite product, and a system for manufacturing a composite product.Type: GrantFiled: August 28, 2012Date of Patent: February 21, 2017Assignee: UPM-KYMMENE CORPORATIONInventors: Harri Kosonen, Kari Luukko, Sami Turunen, Jere Salminen, Stefan Fors, Petri Myllytie
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Patent number: 9506197Abstract: A method for preparing aqueous furnish to be used in paper or paper board manufacturing. Filler and/or fibers are treated with cationic polyelectrolyte and nanofibrillated cellulose. The strength of the paper and the retention of the fillers in paper can be improved. A furnish prepared by a method, and a paper or a paper board manufactured from the furnish.Type: GrantFiled: December 17, 2014Date of Patent: November 29, 2016Assignee: UPM-KYMMENE CORPORATIONInventors: Janne Laine, Monika Österberg, Delphine Miquel, Leila Pohjola, Irmeli Sinisalo, Harri Kosonen
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Patent number: 9506198Abstract: A method for preparing aqueous furnish to be used in paper or paper board manufacturing. Filler and/or fibers are treated with cationic polyelectrolyte and nanofibrillated cellulose. The strength of the paper and the retention of the fillers in paper can be improved. A furnish prepared by a method, and a paper or a paper board manufactured from the furnish.Type: GrantFiled: December 17, 2014Date of Patent: November 29, 2016Assignee: UPM-KYMMENE CORPORATIONInventors: Janne Laine, Monika Österberg, Delphine Miquel, Leila Pohjola, Irmeli Sinisalo, Harri Kosonen
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Patent number: 9458571Abstract: A method for preparing aqueous furnish to be used in paper or paper board manufacturing. Filler and/or fibers are treated with cationic polyelectrolyte and nanofibrillated cellulose. The strength of the paper and the retention of the fillers in paper can be improved. A furnish prepared by a method, and a paper or a paper board manufactured from the furnish.Type: GrantFiled: December 17, 2014Date of Patent: October 4, 2016Assignee: UPM-KYMMENE CORPORATIONInventors: Janne Laine, Monika Österberg, Delphine Miquel, Leila Pohjola, Irmeli Sinisalo, Harri Kosonen
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Patent number: 9441052Abstract: A method for manufacturing cellulosic material includes: introducing cellulose fibers as cellulosic raw material to a system, conveying the cellulose fibers to an extruder comprising a mixing part and/or a refining part, dosing at least one chemical to the system before the extruder and/or in the extruder and performing a reaction between the cellulose fibers and the chemical(s) at least partly in the extruder, wherein the reaction is performed at a consistency of at least 40%, and/or dosing at least one chemical to the system before the extruder and/or in the extruder and mixing the cellulose fibers and the chemical(s) in the mixing part of the extruder, wherein the mixing step is performed at a consistency of at least 40%, and/or refining the introduced cellulose fibers at least partly in the refining part of the extruder, wherein the refining step is performed at a consistency of at least 5%.Type: GrantFiled: June 13, 2012Date of Patent: September 13, 2016Assignee: UPM-KYMMENE CORPORATIONInventors: Juha Tamper, Markus Nuopponen, Harri Kosonen
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Publication number: 20160082625Abstract: Providing composite structures with micro contoured surface layer. There is provided a method to adjust roughness level of micro contoured surface layer when manufacturing a composite and products thereof. The micro contoured surface layer may cover all or at least part of the surface area of the composite product. The roughness level of micro contoured surface layer may be increased or decreased by controlling the process parameters. In particular, there is provided a method to increase the roughness level of composite material having a primary surface layer with a primary surface roughness by softening the primary surface layer of the composite material by heating and providing a secondary surface layer of the composite material surface with a secondary surface roughness by cooling the softened surface layer. Further, there are provided methods to determine and visualize the level of micro contoured surface layer roughness on a composite product surface.Type: ApplicationFiled: May 14, 2013Publication date: March 24, 2016Inventors: Kari LUUKKO, Stefan FORS, Harri KOSONEN, Sami TURUNEN, Jere SALMINEN, Petri MYLLYTIE
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Publication number: 20160063984Abstract: The invention relates to a composite comprising matrix material and organic natural fiber material. The composite may be a compound, a granulate, or at least a part of a sound reproduction device. The composite may be made by injection molding. According to an embodiment a composite comprises matrix material and organic natural fiber based material, wherein the matrix material comprises a thermoplastic polymer matrix. The composite may comprise a relative sound wave resistance of 1500-5000. The composite may comprise a relative damping of sound radiation of 1.5-5.0. The composite may comprise a dynamic modulus of 2000-11000 measured according to ISO 6721-3. The composite may comprise a relative acoustic quality factor of 5-200. The composite may comprise a relative factor of viscous damping of 0.500-0.005.Type: ApplicationFiled: April 9, 2013Publication date: March 3, 2016Inventors: Harri Kosonen, Sami Turunen, Jere Salminen, Petri Myllytie, Kari Luukko, Stefan Fors