Patents by Inventor Wigi De Martino

Wigi De Martino 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).

  • Process for producing highly amorphous propylene polymers
    Patent number: 5565532
    Abstract: The invention disclosed herein includes a process for producing highly amorphous polypropylene and a highly amorphous polypropylene produced by this process comprising contacting propylene with (1) a catalyst comprising a titanium compound supported on a rare earth halide and (2) a metal alkyl cocatalyst wherein the metal is selected from the group consisting of groups II and III of the Periodic Table under conditions for producing a highly stereo- and regio-irregular amorphous propylene polymer.
    Type: Grant
    Filed: June 5, 1995
    Date of Patent: October 15, 1996
    Assignee: Dureco Chemicals, Inc.
    Inventors: Vincenzo Busico, Wigi De Martino