Patents by Inventor Ann Eftring

Ann Eftring 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).

  • Packaging laminate and packaging containers produced therefrom
    Patent number: 7288302
    Abstract: The disclosure relates to a packaging laminate and packaging containers for liquid foods produced therefrom. The packaging laminate (10) includes a paper or paperboard layer (11) and outer, liquid-tight coatings (13 and 14) on both sides of the paper or paperboard layer (11). In order to impart to the packaging laminate (10) increased rigidity and thereby make for the production of packaging containers with improved gripping properties, the packaging laminate (10) has an additional layer (12) of mineral-filled polyolefin between the paper or paperboard layer (11) and one of the two outer, liquid-tight coatings (14).
    Type: Grant
    Filed: August 23, 2001
    Date of Patent: October 30, 2007
    Assignee: Tetra Laval Holdings & Finance S.A.
    Inventor: Ann Eftring
  • Packaging laminate and packaging containers produced therefrom
    Publication number: 20040028850
    Abstract: The disclosure relates to a packaging laminate and packaging containers for liquid foods produced therefrom. The packaging laminate (10) includes a paper or paperboard layer (11) and outer, liquid-tight coatings (13 and 14) on both sides of the paper or paperboard layer (11). In order to impart to the packaging laminate (10) increased rigidity and thereby make for the production of packaging containers with improved gripping properties, the packaging laminate (10) has an additional layer (12) of mineral-filled polyolefin between the paper or paperboard layer (11) and one of the two outer, liquid-tight coatings (14).
    Type: Application
    Filed: June 12, 2003
    Publication date: February 12, 2004
    Inventor: Ann Eftring