Patents by Inventor T. K. Kirk

T. K. Kirk 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).

  • Method for producing pulp
    Patent number: 7306698
    Abstract: The present invention is a method for producing pulp from fibrous lignocellulose material using a treatment step which exposes the material to oxalic acid, or oxalic acid and sodium bisulfite, prior to pulping. The pulping of the resulting product requires less energy input and provides a pulp having enhanced physical properties as compared to untreated materials.
    Type: Grant
    Filed: March 18, 2002
    Date of Patent: December 11, 2007
    Assignees: Biopulping International, Wisconsin Alumni Research Foundation
    Inventors: Masood Akhtar, Ross E. Swaney, Eric G. Horn, Michael J. Lentz, Gary M. Scott, Cory C. Black, Carl J Houtman, T. K. Kirk
  • Method for producing pulp
    Publication number: 20030041985
    Abstract: The present invention is a method for producing pulp from fibrous lignocellulose material using a treatment step which exposes the material to oxalic acid, or oxalic acid and sodium bisulfite, prior to pulping. The pulping of the resulting product requires less energy input and provides a pulp having enhanced physical properties as compared to untreated materials.
    Type: Application
    Filed: March 18, 2002
    Publication date: March 6, 2003
    Inventors: Masood Akhtar, Ross E. Swaney, Eric G. Horn, Michael J. Lentz, Gary M. Scott, Cory C. Black, Carl J. Houtman, T. K. Kirk