Patents by Inventor Peter Petersen-Hoj

Peter Petersen-Hoj 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).

  • Laminated material
    Patent number: 4405400
    Abstract: The invention relates to a laminated material, the main layer of which consists of a molecular-oriented polyester material which has very good tensile strength characteristics and a sealing layer joined to the main layer of a modified polyester material of the type which is marketed under the trade name PETG and which retains its sealing characteristics in spite of the laminated material being subjected to a joint molecular-oriented stretch
    Type: Grant
    Filed: August 20, 1982
    Date of Patent: September 20, 1983
    Assignee: Tetra Pak Developpement SA
    Inventor: Peter Petersen-Hoj
  • Laminated material
    Patent number: 4373002
    Abstract: The invention relates to a laminated material, the main layer of which consists of a molecular-oriented polyester material which has very good tensile strength characteristics and a sealing layer joined to the main layer of a modified polyester material of the type which is marketed under the trade name PETG and which retains its sealing characteristics in spite of the laminated material being subjected to a joint molecular-oriented stretching.
    Type: Grant
    Filed: July 30, 1980
    Date of Patent: February 8, 1983
    Assignee: Tetra Pak Developpement SA
    Inventor: Peter Petersen-Hoj
  • Method for the manufacture of biaxially orientation-stretched plastic film
    Patent number: 4370293
    Abstract: The present invention relates to a method and apparatus for the manufacture of oriented plastic film, in particular polyester film, by the inflation in two steps of an extruded seamless tube of plastic material. The present invention also relates to the laminate manufactured in accordance with the method.
    Type: Grant
    Filed: July 25, 1980
    Date of Patent: January 25, 1983
    Assignee: Tetra Pak Developpement SA
    Inventor: Peter Petersen-Hoj