Patents by Inventor Serge Gonzales

Serge Gonzales 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).

  • Polyimide precursor compositions, their manufacture, the resultant polyimides and their use, particularly for manufacturing enamelling varnishes for electric wires
    Patent number: 4720539
    Abstract: Polyimide precursor compositions are described which may be prepared by rting a biprimary aromatic diamine with a diester-diacid or an aromatic tetraacid, and then with the substantially stoichiometrical complement of an aromatic dianhydride.The polyimide precursor compositions are used in the manufacture of insulating coatings, films, impregnating or enamelling varnishes for electric wires etc., and have excellent qualities of flexibility, adhesiveness and heat resistance.
    Type: Grant
    Filed: September 10, 1986
    Date of Patent: January 19, 1988
    Assignee: Centre d'Etudes des Materiaux Organiques pour Technologies Avancees
    Inventors: Guy Rabilloud, Paul Marriagi, Serge Gonzales, Bernard Sillion