Patents by Inventor Gerd Alsheimer

Gerd Alsheimer 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 apparatus for producing solid-state polycondensed polyesters
    Patent number: 7262263
    Abstract: The present invention relates to a method for producing solid-state polycondensed polyesters by using crystallization with or without subsequent solid-state polycondensation for producing bottles, sheets, films, and high-tenacity technical filaments.
    Type: Grant
    Filed: August 6, 2002
    Date of Patent: August 28, 2007
    Inventors: Brigitta Otto, Hans Reitz, Gerd Alsheimer
  • Method and device for producing highly condensed polyesters in the solid phase
    Publication number: 20050080225
    Abstract: The present invention relates to a method for producing solid-state polycondensed polyesters by using crystallization with or without subsequent solid-state polycondensation for producing bottles, sheets, films, and high-tenacity technical filaments.
    Type: Application
    Filed: August 6, 2002
    Publication date: April 14, 2005
    Inventors: Brigitta Otto, Hans Reitz, Gerd Alsheimer