Patents by Inventor Valerie Demange

Valerie Demange 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).

  • Metal coating for a kitchen utensil
    Patent number: 7563517
    Abstract: The invention relates to a metal coating for a utensil for cooking food products. The coating consists of an aluminum-based alloy containing more than 80% by weight of one or more quasicrystalline or approximant phases, having the composition Ala(Fe1-xXx)b(Cr1-yYy)cZzJj in which: X represents one or more elements isoelectronic with Fe, chosen from Ru and Os; Y represents one or more elements isoelectronic with Cr, chosen from Mo and W; Z is an element or a mixture of elements chosen from Ti, Zr, Hf, V, Nb, Ta, Mn, Re, Rh, Ni and Pd; J represents the inevitable impurities other than copper; a+b+c+z=100; 5?b?15; 10?c?29; 0?z?10; xb?2; yc?2; and j<1.
    Type: Grant
    Filed: February 9, 2005
    Date of Patent: July 21, 2009
    Assignees: Saint Gobain Centre de Recherches et d-Etudes European “Les Miroirs”, Centre National de la Recherche Scientifique
    Inventors: Stéphane Raffy, Jean-Marie Dubois, Valérie Demange, Marie-Cécile De Weerd
  • Metal Coating For A Kitchen Utensil
    Publication number: 20080032151
    Abstract: The invention relates to a metal coating for a utensil for cooking food products. The coating consists of an aluminum-based alloy containing more than 80% by weight of one or more quasicrystalline or approximant phases, having the composition Ala(Fe1-xXx)b(Cr1-yYy)cZzJj in which: X represents one or more elements isoelectronic with Fe, chosen from Ru and Os; Y represents one or more elements isoelectronic with Cr, chosen from Mo and W; Z is an element or a mixture of elements chosen from Ti, Zr, Hf, V, Nb, Ta, Mn, Re, Rh, Ni and Pd; J represents the inevitable impurities other than copper; a+b+c+z=100; 5?b?15; 10?c?29; 0?z?10; xb?2; yc?2; and j<1.
    Type: Application
    Filed: February 9, 2005
    Publication date: February 7, 2008
    Inventors: Stephane Raffy, Jean-Marie Dubois, Valerie Demange, Marie-Cecile De Weerd