Patents Assigned to North Pacific Paper Corporation (NORPAC)
  • High-yield paper and methods of making same
    Patent number: 7976678
    Abstract: A high-yield paper sheet generally includes at least about 50 weight percent mechanical pulp, wherein the basis weight of the sheet is in the range of about 24 to about 60 pounds, and wherein the porosity of the sheet is in the range of about 40 to about 100 Sheffield porosity.
    Type: Grant
    Filed: December 30, 2008
    Date of Patent: July 12, 2011
    Assignee: North Pacific Paper Corporation (NORPAC)
    Inventors: Michael J Dougherty, Amar N Neogi, David W Park, Brian S Delgardno
  • METHODS OF LIQUID TONER PRINTING
    Publication number: 20100167198
    Abstract: A method of printing using liquid toner generally includes obtaining a cellulose based substrate having a surface layer including nPCC, and printing on the cellulose based substrate using a liquid toner printer to achieve tape pull results of less than about 7%.
    Type: Application
    Filed: December 31, 2008
    Publication date: July 1, 2010
    Applicant: NORTH PACIFIC PAPER CORPORATION (NORPAC)
    Inventors: David W. Park, Amar Neogi, Michael J. Dougherty
  • High-Yield Paper and Methods of Making Same
    Publication number: 20100163198
    Abstract: A method of making a high-yield paper sheet generally includes blending a pulp mixture including at least about 50 weight percent mechanical pulp, making an uncoated paper sheet from the pulp mixture, applying a surface layer to the paper sheet, the surface layer including nPCC, and drying the sheet, wherein the basis weight of the dried sheet is in the range of about 24 to about 60 pounds.
    Type: Application
    Filed: December 30, 2008
    Publication date: July 1, 2010
    Applicant: NORTH PACIFIC PAPER CORPORATION (NORPAC)
    Inventors: Michael J. Dougherty, Amar N. Neogi, David W. Park, Brian S. Delgardno
  • High-Yield Paper and Methods of Making Same
    Publication number: 20100163196
    Abstract: A high-yield paper sheet generally includes at least about 50 weight percent mechanical pulp, wherein the basis weight of the sheet is in the range of about 24 to about 60 pounds, and wherein the porosity of the sheet is in the range of about 40 to about 100 Sheffield porosity.
    Type: Application
    Filed: December 30, 2008
    Publication date: July 1, 2010
    Applicant: NORTH PACIFIC PAPER CORPORATION (NORPAC)
    Inventors: Michael J. Dougherty, Amar N. Neogi, David W. Park, Brian S. Delgardno
  • High-Yield Paper and Methods of Making Same
    Publication number: 20100163195
    Abstract: A high-yield paper sheet generally includes at least about 50 weight percent mechanical pulp, wherein the basis weight of the sheet is in the range of about 24 to about 60 pounds, and a surface layer on the sheet including nPCC pigment.
    Type: Application
    Filed: December 30, 2008
    Publication date: July 1, 2010
    Applicant: North Pacific Paper Corporation (NORPAC)
    Inventors: Michael J. Dougherty, Amar N. Neogi, David W. Park, Brian S. Delgardno