Patents by Inventor Danielle Trottier

Danielle Trottier 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).

  • Phosphor and process for preparing same
    Patent number: 4230598
    Abstract: A phosphor of the fluoride type mixed with potassium and yttrium doped with divalent europium, characterized in that it responds to the formulaK.sub.(1-x) Eu.sub.x Y.sub.3 F.sub.10+xwherein x is less than 0.06. The invention also concerns a process for preparing this product which may be used in a laser.
    Type: Grant
    Filed: August 25, 1978
    Date of Patent: October 28, 1980
    Assignee: Agence Nationale de Valorisation de la Recherche
    Inventors: Alain Vedrine, Jean-Claude Gacon, Georges Boulon, Danielle Trottier