Patents by Inventor Gopal Goyal

Gopal Goyal 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: 7520958
    Abstract: A method of producing a modified pulp comprising treating wood chips in an extraction process to remove hemicellose to form treated wood chips; and subjecting said treated wood chips to chemical or semichemical pulping to form a modified Kraft pulp wherein the amount of hemicellulose contained in the modified Kraft pulp is from about 5 to about 10% by dry weight of the modified pulp.
    Type: Grant
    Filed: October 18, 2006
    Date of Patent: April 21, 2009
    Assignee: International Paper Company
    Inventors: Zheng Tan, Gopal Goyal, Alexander A. Koukoulas
  • Publication number: 20070051481
    Abstract: A method of producing a modified pulp comprising treating wood chips in an extraction process to remove hemicellose to form treated wood chips; and subjecting said treated wood chips to chemical or semichemical pulping to form a modified Kraft pulp wherein the amount of hemicellulose contained in the modified Kraft pulp is from about 5 to about 10% by dry weight of the modified pulp.
    Type: Application
    Filed: October 18, 2006
    Publication date: March 8, 2007
    Inventors: Zheng Tan, Gopal Goyal, Alexander Koukoulas
  • Publication number: 20070000627
    Abstract: A method of producing a modified pulp for use in paper or paper web products, the method comprising treating wood chips in an extraction process to remove hemicellose to form treated wood chips; and subjecting said treated wood chips to chemical or semichemical pulping to form a modified Kraft pulp wherein the amount of hemicellulose contained in the modified Kraft pulp is from about 5 to about 10% by dry weight of the modified pulp.
    Type: Application
    Filed: May 24, 2006
    Publication date: January 4, 2007
    Inventors: Zheng Tan, Gopal Goyal, Alexander Koukoulas
  • Publication number: 20060260773
    Abstract: A process comprising treating a lignocellulosic material preferably pulp in the presence of a transition metal catalyst with a oxidizing agent selected from a group consisting of hydrogen peroxide, hypochlorite, hypochlorous acid and any combination thereof to form a treated lignocellulosic material having a viscosity equal to or less than about 17 cp and having reducing functional groups selected from the group consisting of aldehyde and aldehyde type functional groups at the C6 and C1 positions but predominating at the C1 position.
    Type: Application
    Filed: May 2, 2006
    Publication date: November 23, 2006
    Inventors: Zheng Tan, Damaris Lorenzoni, Gopal Goyal