Patents by Inventor Liliana Klepsch

Liliana Klepsch 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).

  • Peelable, heat-sealable foil
    Patent number: 6537632
    Abstract: A peelable, heat-sealable foil for closing containers, for example cups, of synthetic plastics material, in particular polystyrene, consists of one single, biaxially oriented layer of impact-resistant polystyrene, in admixture with a styrene-butadiene-double-blockcopolymer.
    Type: Grant
    Filed: December 21, 1995
    Date of Patent: March 25, 2003
    Inventor: Liliana Klepsch
  • Method of sealing containers with peelable, heat sealable foil
    Patent number: 5809750
    Abstract: A peelable, heat-sealable foil for closing containers, for example cups, of synthetic plastics material, in particular polystyrene, consists of one single, biaxially oriented layer of impact-resistant polystyrene, and in particular of impact-resistant polystyrene in admixture with a styrene-butadiene-di-blockcopolymer.
    Type: Grant
    Filed: April 11, 1997
    Date of Patent: September 22, 1998
    Inventor: Liliana Klepsch