Patents by Inventor Christian Daffe

Christian Daffe 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).

  • Adhesion of polyethylene on polypropylene
    Patent number: 7972706
    Abstract: This invention provides a multi-layer film or sheet prepared by coextruding or laminating polypropylene with one or more polyethylene(s), characterised in that the adhesion between a polypropylene layer and a polyethylene layer is provided by a metallocene-produced polyethylene.
    Type: Grant
    Filed: October 3, 2002
    Date of Patent: July 5, 2011
    Assignee: Total Petrochemicals Research Feluy
    Inventors: Philippe Marechal, Philippe Le Coz, Christian Daffe
  • Adhesion of polyethylene on polypropylene
    Publication number: 20050019596
    Abstract: This invention provides a multi-layer film or sheet prepared by coextruding or laminating polypropylene with one or more polyethylene(s), characterised in that the adhesion between a polypropylene layer and a polyethylene layer is provided by a metallocene-produced polyethylene.
    Type: Application
    Filed: October 3, 2002
    Publication date: January 27, 2005
    Inventors: Philippe Marechal, Philippe Le Coz, Christian Daffe