Patents by Inventor Philippe Cazeau

Philippe Cazeau 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).

  • Luminescent material or phosphor having a solid matrix within which is distributed a fluorescent compound, its preparation process and its use in a photovoltaic cell
    Patent number: 4647400
    Abstract: The invention relates to a luminescent material or phosphor having a solid matrix within which is distributed a fluorescent compound, its preparation process and its use in a photovoltaic cell.This luminescent material comprises a solid matrix having groups able to form hydrogen bonds, e.g. glass, polyamide or polyvinyl alcohol, and an organic compound which, by internal torsion, can have an excited state with charge transfer, distributed in the matrix, such as para-N,N-dimethylaminobenzonitrile (DMABN) or N,N-1-bimethylamino-4-cyanonaphtalene.
    Type: Grant
    Filed: June 22, 1984
    Date of Patent: March 3, 1987
    Assignee: Centre National de la Recherche Scientifique
    Inventors: Claudie C. Dubroca, Agues Peirigua, Philippe Cazeau