Patents by Inventor Victorien Ratovelomanana

Victorien Ratovelomanana 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).

  • Organic material for non-linear optics
    Patent number: 5155232
    Abstract: An organic material for non-linear optics comprising:an electron donor group constituted by a heteroaromatic cycle;an electron attractor group selected from NO.sub.2 and CN; andan electron effect transmitter group selected from an aromatic system of the phenyl ring type, or a chain having n atoms of carbon including a double or a triple bond (n<4).
    Type: Grant
    Filed: April 2, 1990
    Date of Patent: October 13, 1992
    Assignee: Alcatel N.V.
    Inventors: Jean-Francois Fauvarque, Victorien Ratovelomanana, Anny Jutand, Christian Amatore