Patents Assigned to Office National d'Estudes et de Recherches Aerospatiales (ONERA)
  • Polymers from certain conjugated organic compounds
    Patent number: 6051669
    Abstract: The invention relates to conjugated compounds of general formula (I) ##STR1## wherein X.sub.1 and X.sub.2 are, independently of one another, electron-withdrawing or electron-donating systems, and to a process for the preparation of these compounds.The invention also relates to any material which includes the compounds of general formula I and to the use of said compounds or of any material which includes them in electronic, optoelectronic, nonlinear optical and electrooptical devices.
    Type: Grant
    Filed: July 27, 1998
    Date of Patent: April 18, 2000
    Assignee: Office National d'Estudes et de Recherches Aerospatiales (ONERA)
    Inventors: Andre-Jean Attias, Bertrand Bloch, Chantal Cavalli