Patents by Inventor Alain Jegat

Alain Jegat 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).

  • Procedure for preparing a incandescent material and its use in hard mantles for gas lighting of public places
    Patent number: 5904881
    Abstract: The present invention relates to a incandescent material formed from the following mixture of oxides (in moles):50 to 70% zirconium oxide ZrO.sub.2,5 to 8% yttrium oxide Y.sub.2 O.sub.3,13 to 20% magnesium oxide MgO,4 to 10% lithium oxide Li.sub.2 O, and0.2 to 0.6% cerium oxide CeO.sub.2,0 to 25% potassium oxide K.sub.2 O,0 to 1% tungsten oxide WO.sub.3.This material is suitable for producing hard mantles for gas lighting of public places.
    Type: Grant
    Filed: April 7, 1998
    Date of Patent: May 18, 1999
    Assignee: Commissariat a l'Energie Atomique
    Inventors: Alain Jegat, Cornelia Petrescu, Rene Bardin