Patents by Inventor Robin Ljungar

Robin Ljungar 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).

  • Patent number: 6821636
    Abstract: 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: Grant
    Filed: March 11, 2002
    Date of Patent: November 23, 2004
    Assignee: Akzo Nobel N.V.
    Inventors: Robin Ljungar, Ingvar Lindh, Salme Pirhonen
  • Patent number: 6749949
    Abstract: 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: Grant
    Filed: March 11, 2002
    Date of Patent: June 15, 2004
    Assignee: Akzo Nobel N.V.
    Inventors: Robin Ljungar, Ingvar Lindh, Salme Pirhonen
  • Publication number: 20020168470
    Abstract: 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: Application
    Filed: March 11, 2002
    Publication date: November 14, 2002
    Applicant: Akzo Nobel N.V.
    Inventors: Robin Ljungar, Ingvar Lindh, Salme Pirhonen
  • Publication number: 20020168471
    Abstract: 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: Application
    Filed: March 11, 2002
    Publication date: November 14, 2002
    Applicant: Akzo Nobel N.V.
    Inventors: Robin Ljungar, Ingvar Lindh, Salme Pirhonen