Patents by Inventor Fernande Lafonta

Fernande Lafonta 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).

  • Photoactivated method and device for broadband limitation of a luminous flux
    Patent number: 6384960
    Abstract: The invention relates in particular, to the area of devices or systems whose optical operation is modified by changing the optical properties of the medium of which they are formed and that are intended, in particular, for limiting the luminous intensity transmitted by the system. Specifically, the invention relates to a device for selectively limiting the intensity of a radiation, including a liquid or solid medium containing nanotubes, for example, nanotubes made of carbon or boron, tungsten, silicon, or composite nanostructures, such as BN, BC3, BC2N, CN(C3N4), or MoS2.
    Type: Grant
    Filed: December 15, 1999
    Date of Patent: May 7, 2002
    Assignee: Delegation Generale pour l'Armement
    Inventors: Marc Andrieux, Fernande Lafonta, Didier Riehl, Laurent Vivien, Eric Anglaret, Patrick Bernier, Monique Brunet, Christophe Goze, Catherine Journet, François Hache