Patents by Inventor Claudia Schonweitz

Claudia Schonweitz 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).

  • Multilayered packaging for greasy products
    Patent number: 7244505
    Abstract: The invention relates to a multilayered packaging for greasy products or part of said packaging, comprising a carrier layer made of a polymer material as main component and at least one layer placed on said carrier layer that does not form the outer side of the packaging, said layer containing a starch derivative as main component. The invention is characterized in the starch derivative is a starch derivative modified with a C2–C6-alkylene oxide. The invention also relates to the use of a C2–C6-alkylene oxide derivatized starch as main component of a layer of a multilayered packaging, which is placed on a carrier layer made of a polymer material in said packaging with the aim of rendering said multilayered packaging grease-tight.
    Type: Grant
    Filed: June 29, 2001
    Date of Patent: July 17, 2007
    Assignee: Fraunhofer-Gesellschaft zur Foerderung der Angewandten Forschung E.V.
    Inventors: Rolf Kippenhahn, Thomas Luck, Claudia Schönweitz, Peter Pawlak
  • Multilayered packaging for greasy products
    Publication number: 20050008801
    Abstract: The invention relates to a multilayered packaging for greasy products or part of said packaging, comprising a carrier layer made of a polymer material as main component and at least one layer placed on said carrier layer that does not form the outer side of the packaging, said layer containing a starch derivative as main component. The invention is characterized in the starch derivative is a starch derivative modified with a C2-C6-alkylene oxide. The invention also relates to the use of a C2-C6-alkylene oxide derivatized starch as main component of a layer of a multilayered packaging, which is placed on a carrier layer made of a polymer material in said packaging with the aim of rendering said multilayered packaging grease-tight.
    Type: Application
    Filed: June 29, 2001
    Publication date: January 13, 2005
    Inventors: Rolf Kippenhahn, Thomas Luck, Claudia Schonweitz, Peter Pawlak