Patents by Inventor Stefan Dei?

Stefan Dei? 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).

  • Method and device for the crystallization of polyester material
    Patent number: 8063176
    Abstract: A method for the manufacture of crystallized polyesters with or without subsequent solid state polycondensation for the manufacture of bottles, foils, films and technical high-performance fibres, or with or without subsequent dealdehydization for the manufacture of bottles, foils, films and technical high-performance fibres.
    Type: Grant
    Filed: March 16, 2007
    Date of Patent: November 22, 2011
    Assignee: Lurgi Zimmer GmbH
    Inventors: Nazim S. Hally, Stefan Deiβ, Brigitte Otto