Patents by Inventor Petra Häde

Petra Häde 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).

  • FOODSTUFFS PACKAGING CONTAINING A FILM WITH PROPERTIES PROVIDING A BARRIER TO MINERAL OILS
    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
  • Transparent polyolefin film having a UV barrier
    Patent number: 7300696
    Abstract: The invention relates to a biaxially oriented transparent polypropylene film having a good UV barrier. The film contains, in at least one layer, nanoscalar titanium dioxide. The total content of nanoscalar titanium dioxide in the film ranges from 0.5 to 1.5% by weight with regard to the total weight of the film.
    Type: Grant
    Filed: May 21, 2003
    Date of Patent: November 27, 2007
    Assignee: Treofan Germany GmbH & Co. KG
    Inventors: Detlef Busch, Bertram Schmitz, Karl-Heinz Kochem, Petra Häde
  • Highly active ?-nucleating additive for polypropylene
    Patent number: 6992128
    Abstract: The invention relates to a method for enhancing the fraction of ?-crystal modification in polypropylene by compounding nanocrystalline substances. A ?-fraction of 50–100% is achieved with said method. The compounds are characterized by improved mechanical properties. The nanocrystalline powders can be directly compounded and compatibilized with surface-active substances in the PP matrix for better dispersion.
    Type: Grant
    Filed: May 12, 2003
    Date of Patent: January 31, 2006
    Assignee: Treofan Germany GmbH & Co. KG
    Inventors: Detlef Busch, Petra Häde, Bertram Schmitz