Patents by Inventor Thomas Gottfreund

Thomas Gottfreund 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).

  • Publication number: 20190322429
    Abstract: The invention relates to a food packaging which comprises a coated biaxially oriented polypropylene film which acts as a barrier against mineral oils. The film comprises a multi-layered coating on at least one side.
    Type: Application
    Filed: June 14, 2019
    Publication date: October 24, 2019
    Applicant: Treofan Germany GmbH & Co. KG
    Inventors: Thomas Gottfreund, Detle Hütt
  • Publication number: 20150314939
    Abstract: The present invention relates to foodstuffs packaging containing a polyolefin-based film with properties providing a barrier to mineral oils.
    Type: Application
    Filed: November 8, 2013
    Publication date: November 5, 2015
    Inventors: PETRA HÄDE, Yvonne DÜPRE, Thomas GOTTFREUND
  • Patent number: 7824600
    Abstract: The invention relates to a method for raising the surface tension of biaxially-stretched films made of thermoplastic polymers. According to the method, a film is first treated on a surface by means of an atmospheric pressure plasma before being stretched transversally or simultaneously across the width thereof, and the film is additional a subjected to a second treatment by means of a corona or flame after being stretched transversally or simultaneously, the second treatment being done on the same surface which has already been plasma-treated.
    Type: Grant
    Filed: October 31, 2006
    Date of Patent: November 2, 2010
    Assignee: Treofan Germany GmbH & Co. KG
    Inventors: Joachim Jung, Thomas Gottfreund
  • Publication number: 20080237935
    Abstract: The invention relates to a method for raising the surface tension of biaxially-stretched films made of thermoplastic polymers. According to the method, a film is first treated on a surface by means of an atmospheric pressure plasma before being stretched transversally or simultaneously across the width thereof, and the film is additional a subjected to a second treatment by means of a corona or flame after being stretched transversally or simultaneously, the second treatment being done on the same surface which has already been plasma-treated.
    Type: Application
    Filed: October 31, 2006
    Publication date: October 2, 2008
    Applicant: Trefan Germany GmbH & Co. KG
    Inventors: Joachim Jung, Thomas Gottfreund