Patents by Inventor Salme Pirhonen
Salme Pirhonen 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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Patent number: 9382458Abstract: The invention concerns an adhesive system comprising (a) a resin component comprising a urea based amino resin having an F/NH2 ratio from 0.3 to 0.65; (b) a hardener component comprising at least one acid, acid generating salt or acidic salt; and, (c) an aqueous polymer dispersion; wherein the adhesive system comprises no or less than 0.9 wt % of urea, based on the weight of the entire adhesive system, in addition to any urea present in the urea based amino resin. The invention further concerns a method of producing a wood based product, wood based products obtainable thereby and use of the adhesive system.Type: GrantFiled: July 13, 2012Date of Patent: July 5, 2016Assignee: AKZO NOBEL COATINGS INTERNATIONAL B.V.Inventors: Jenny Adrian Meredith, Anna Kristina Furberg, Eugeniusz Abram, Benyahia Nasli-Bakir, Salme Pirhonen
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Publication number: 20140166204Abstract: The invention concerns an adhesive system comprising (a) a resin component comprising a urea based amino resin having an F/NH2 ratio from 0.3 to 0.65; (b) a hardener component comprising at least one acid, acid generating salt or acidic salt; and, (c) an aqueous polymer dispersion; wherein the adhesive system comprises no or less than 0.9 wt % of urea, based on the weight of the entire adhesive system, in addition to any urea present in the urea based amino resin. The invention further concerns a method of producing a wood based product, wood based products obtainable thereby and use of the adhesive system.Type: ApplicationFiled: July 13, 2012Publication date: June 19, 2014Applicant: AKZO NOBEL COATINGS INTERNATIONAL B.V.Inventors: Jenny Adrian Meredith, Anna Kristina Furberb, Eugeniuez Abram, Benyahia Nasli-Bakir, Salme Pirhonen
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Patent number: 7452442Abstract: The present invention relates to a method of gluing wood based materials by providing an adhesive system onto wood based materials followed by curing, the adhesive system comprises a melaminic amino resin and a phenolic resin composition, wherein the phenolic resin composition comprises an acid and a phenolic resin. The invention also relates to an adhesive system and a stable phenolic resin composition as well as wood based products obtained by the method or through the use of the adhesive system.Type: GrantFiled: October 26, 2006Date of Patent: November 18, 2008Assignee: Akzo Nobel N.V.Inventors: Salme Pirhonen, Benyahia Nasli-Bakir, Ingvar Lindh
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Patent number: 7235613Abstract: The present invention relates to a method of gluing wood based materials by providing an adhesive system onto wood based materials followed by curing, the adhesive system comprises a melaminic amino resin and a phenolic resin composition, wherein the phenolic resin composition comprises an acid and a phenolic resin. The invention also relates to an adhesive system and a stable phenolic resin composition as well as wood based products obtained by the method or through the use of the adhesive system.Type: GrantFiled: October 18, 2002Date of Patent: June 26, 2007Assignee: Akzo Nobel N.V.Inventors: Salme Pirhonen, Benyahia Nasli-Bakir, Ingvar Lindh
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Publication number: 20070043173Abstract: The present invention relates to a method of gluing wood based materials by providing an adhesive system onto wood based materials followed by curing, the adhesive system comprises a melaminic amino resin and a phenolic resin composition, wherein the phenolic resin composition comprises an acid and a phenolic resin. The invention also relates to an adhesive system and a stable phenolic resin composition as well as wood based products obtained by the method or through the use of the adhesive system.Type: ApplicationFiled: October 26, 2006Publication date: February 22, 2007Applicant: Akzo Nobel N.V.Inventors: Salme Pirhonen, Benyahia Nasli-Bakir, Ingvar Lindh
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Patent number: 7151144Abstract: The present invention relates to a method of gluing wood based materials by providing an adhesive system onto wood based materials followed by curing, the adhesive system comprises a melaminic amino resin and a phenolic resin composition, wherein the phenolic resin composition comprises an acid and a phenolic resin. The invention also relates to an adhesive system and a stable phenolic resin composition as well as wood based products obtained by the method or through the use of the adhesive system.Type: GrantFiled: October 18, 2002Date of Patent: December 19, 2006Assignee: Akzo Nobel N.V.Inventors: Salme Pirhonen, Benyahia Nasli-Bakir, Ingvar Lindh
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Patent number: 6821636Abstract: A method of producing formaldehyde laden layered products, the products having reduced emission of formaldehyde, of at least 2 layers, at least one of the layers being a veneer, comprising a step of treating at least one of the surfaces of said veneer, prior to bonding the layers together, with a solution comprising an ammonium salt. The invention also relates to a flooring material obtained by the method.Type: GrantFiled: March 11, 2002Date of Patent: November 23, 2004Assignee: Akzo Nobel N.V.Inventors: Robin Ljungar, Ingvar Lindh, Salme Pirhonen
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Patent number: 6749949Abstract: A method of producing formaldehyde laden layered products, the products having reduced emission of formaldehyde, of at least 2 layers, at least one of the layers being a board or veneer, comprising a step of treating at least one of the surfaces of said board or veneer, prior to bonding the layers together, with a solution comprising an inorganic sulphur containing salt. The invention also relates to a flooring material obtained by the method.Type: GrantFiled: March 11, 2002Date of Patent: June 15, 2004Assignee: Akzo Nobel N.V.Inventors: Robin Ljungar, Ingvar Lindh, Salme Pirhonen
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Patent number: 6734275Abstract: The present invention relates to a method of gluing wood based materials by providing an adhesive system onto wood based materials followed by curing, the adhesive system comprises a urea based amino resin and a hardener composition, wherein the hardener composition comprises an acid and a phenolic resin. The invention also relates to an adhesive system and a hardener composition as well as wood based products obtained by the method or through the use of the adhesive system.Type: GrantFiled: October 18, 2002Date of Patent: May 11, 2004Assignee: Akzo Nobel N.V.Inventors: Salme Pirhonen, Benyahia Nasli-Bakir, Ingvar Lindh
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Publication number: 20030079832Abstract: The present invention relates to a method of gluing wood based materials by providing an adhesive system onto wood based materials followed by curing, the adhesive system comprises a urea based amino resin and a hardener composition, wherein the hardener composition comprises an acid and a phenolic resin. The invention also relates to an adhesive system and a hardener composition as well as wood based products obtained by the method or through the use of the adhesive system.Type: ApplicationFiled: October 18, 2002Publication date: May 1, 2003Applicant: AKZO NOBEL N.V.Inventors: Salme Pirhonen, Benyahia Nasli-Bakir, Ingvar Lindh
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Publication number: 20030079833Abstract: The present invention relates to a method of gluing wood based materials by providing an adhesive system onto wood based materials followed by curing, the adhesive system comprises a melaminic amino resin and a phenolic resin composition, wherein the phenolic resin composition comprises an acid and a phenolic resin. The invention also relates to an adhesive system and a stable phenolic resin composition as well as wood based products obtained by the method or through the use of the adhesive system.Type: ApplicationFiled: October 18, 2002Publication date: May 1, 2003Applicant: AKZO NOBEL N.V..Inventors: Salme Pirhonen, Benyahia Nasli-Bakir, Ingvar Lindh
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Publication number: 20020168470Abstract: A method of producing formaldehyde laden layered products, the products having reduced emission of formaldehyde, of at least 2 layers, at least one of the layers being a veneer, comprising a step of treating at least one of the surfaces of said veneer, prior to bonding the layers together, with a solution comprising an ammonium salt. The invention also relates to a flooring material obtained by the method.Type: ApplicationFiled: March 11, 2002Publication date: November 14, 2002Applicant: Akzo Nobel N.V.Inventors: Robin Ljungar, Ingvar Lindh, Salme Pirhonen
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Publication number: 20020168471Abstract: A method of producing formaldehyde laden layered products, the products having reduced emission of formaldehyde, of at least 2 layers, at least one of the layers being a board or veneer, comprising a step of treating at least one of the surfaces of said board or veneer, prior to bonding the layers together, with a solution comprising an inorganic sulphur containing salt. The invention also relates to a flooring material obtained by the method.Type: ApplicationFiled: March 11, 2002Publication date: November 14, 2002Applicant: Akzo Nobel N.V.Inventors: Robin Ljungar, Ingvar Lindh, Salme Pirhonen