Patents by Inventor Hallgren HANS

Hallgren HANS 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).

  • Process for producing at least one ply of a paper or board and a paper or board produced according to the process
    Patent number: 10145068
    Abstract: The present invention relates to a process for producing at least one ply of a paper or board product wherein a web comprising mechanical and/or chemimechanical pulp and at least one dry strength additive is dried in a press drying process by subjecting the web to heat and an overpressure of above 40 kPa. The present invention also relates to a paper product, a paperboard product and a ply produced according to the process.
    Type: Grant
    Filed: April 29, 2015
    Date of Patent: December 4, 2018
    Assignee: Stora Enso OYJ
    Inventors: Hallgren Hans, Frank Peng, Anders Moberg, Hans Höglund, Gunilla Pettersson, Sven Norgren
  • PROCESS FOR PRODUCING AT LEAST ONE PLY OF A PAPER OR BOARD AND A PAPER OR BOARD PRODUCED ACCORDING TO THE PROCESS
    Publication number: 20170051456
    Abstract: The present invention relates to a process for producing at least one ply of a paper or board product wherein a web comprising mechanical and/or chemimechanical pulp and at least one dry strength additive is dried in a press drying process by subjecting the web to heat and an overpressure of above 40 kPa. The present invention also relates to a paper product, a paperboard product and a ply produced according to the process.
    Type: Application
    Filed: April 29, 2015
    Publication date: February 23, 2017
    Inventors: Hallgren HANS, Frank PENG, Anders MOBERG, Hans HOGLUND, Gunilla PETTERSSON, Sven NORGREN