Patents by Inventor Hanne Larsen

Hanne Larsen 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 and device for determining penetration of gaseous substance through a membrane
    Patent number: 7004010
    Abstract: This invention relates to a method and device for measuring the penetration of gases through a package material. More specific, it relates to a method for predicting the transmission rate of the gaseous substance through the walls of a package as a function of time from a limited number of measured concentrations of the gaseous substance within the package. Even more specific, it relates to a method and device for testing the oxygen transmission rates into packages employed for instance for food or pharmaceutical products under realistic storing conditions.
    Type: Grant
    Filed: January 18, 2002
    Date of Patent: February 28, 2006
    Assignee: Difftech AS
    Inventors: Hanne Larsen, Achim Kohler
  • Method and device for determining penetration of gaseous substance through a membrane
    Publication number: 20050076705
    Abstract: This invention relates to a method and device for measuring the penetration of gases through a package material. More specific, it relates to a method for predicting the transmission rate of the gaseous substance through the walls of a package as a function of time from a limited number of measured concentrations of the gaseous substance within the package. Even more specific, it relates to a method and device for testing the oxygen transmission rates into packages employed for instance for food or pharmaceutical products under realistic storing conditions.
    Type: Application
    Filed: January 18, 2002
    Publication date: April 14, 2005
    Applicant: Difftech AS
    Inventors: Hanne Larsen, Achim Kohler