Patents by Inventor Kerstin Hackman

Kerstin Hackman 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).

  • Layer Support for Recording Materials
    Publication number: 20090311515
    Abstract: A support material for recording layers comprising a raw base paper contains a hardwood pulp having a fibre fraction smaller than 200 ?m, after refining, of at most 45 wt. % and an average fibre length of 0.4 to 0.8 mm and a filler fraction of 5 to 40 wt. %, in particular 10 to 25 wt. %, relative to the mass of the pulp.
    Type: Application
    Filed: March 22, 2007
    Publication date: December 17, 2009
    Inventors: Gisela Günzel, Kerstin Hackman, Dietmar Bunke, Jörg Bömermann, Mirko Standke