Patents by Inventor Jean Valignat

Jean Valignat 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).

  • Covering for photothermal conversion
    Patent number: 4504553
    Abstract: An infrared radiation reflecting substrate, having deposited thereon a first layer formed from a metal or an alloy, and a second layer deposited on the first layer and consisting of a solar radiation absorbing amorphous material, such as amorphous carbon. The substrate can be formed from an infrared radiation reflecting layer deposited on a primary substrate.
    Type: Grant
    Filed: March 30, 1983
    Date of Patent: March 12, 1985
    Assignee: Commissariat a l'Energie Atomique
    Inventors: Andre Aubert, Jean Valignat, Christophe Wyon