Patents by Inventor Rene Venneman

Rene Venneman 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 the treatment of polypropylene
    Patent number: 5264493
    Abstract: Isotactic polypropylene and/or ethylene-propylene copolymers are blended with 5-65 wt % of atactic polypropylene and up to 20 wt % of the total blend of a thermosensitive agent. The process is particularly adapted for the incorporation of prodegradents used for reducing the molecular weight and its distribution, thereby producing polyethylene particularly suitable for fiber or film formation.
    Type: Grant
    Filed: March 4, 1993
    Date of Patent: November 23, 1993
    Assignee: Fina Research, S.A.
    Inventors: Claude Palate, Alain M. F. Prevot, Rene Venneman