Patents by Inventor Raoul Cervini

Raoul Cervini 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).

  • Polymers for electroluminescent devices
    Patent number: 5514878
    Abstract: This invention provides semiconductive conjugated polymers incorporating electron-withdrawing groups for use in electroluminescent devices, methods for their manufacture, and electroluminescent devices incorporating the polymers. The electron-withdrawing group is conjugatively linked to the polymer chain and is selected so that the polymer exhibits electroluminesence upon application of an electric field to a layer thereof.
    Type: Grant
    Filed: March 18, 1994
    Date of Patent: May 7, 1996
    Inventors: Andrew B. Holmes, Richard H. Friend, Stephen C. Moratti, Derek R. Baigent, Donald C. Bradley, Raoul Cervini, Neil C. Greenham, Peter J. Hamer