Patents by Inventor Odile Demuth

Odile Demuth 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).

  • Use of amino groups, obtained on a polymer material by an electric treatment under nitrogen atmosphere, for accelerating a grafting reaction
    Patent number: 5348772
    Abstract: The invention relates to the use of the amino groups created on the surface of a polymer material, such as a polypropylene film, by an electric treatment, notably a cold plasma, under nitrogen atmosphere, for accelerating the grafting of the polymer material by impregnating the latter with a bath containing a vinyl type unsaturated monomer comprising a carbonyl group in .alpha. of the double vinyl bond, such as an acrylic monomer.
    Type: Grant
    Filed: June 2, 1992
    Date of Patent: September 20, 1994
    Assignee: Institut Textile de France
    Inventors: Odile Demuth, Daniel Wattiez, Jacques Maguin, Jean C. Brosse, Fabienne Poncin-Epaillard, Bruno Chevet