Patents by Inventor Eduard J. Frencken

Eduard J. Frencken 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 for the manufacture of objects from polycarbonate
    Patent number: 5102608
    Abstract: A process for the manufacture of objects by injection molding and/or compression molding starting from polycarbonate powder. The process is suitable for, inter alia, the manufacture of carriers for optically readable information such as audio and video discs.
    Type: Grant
    Filed: January 3, 1991
    Date of Patent: April 7, 1992
    Assignee: Stamicarbon B.V.
    Inventors: Eduard J. Frencken, Martin J. P. Flinsenberg