Patents by Inventor Didier Le Couviour

Didier Le Couviour 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).

  • GLASS SUBSTRATE WITH REFRACTIVE INDEX GRADIENT AND MANUFACTURING PROCESS OF SAME
    Publication number: 20100179044
    Abstract: The present invention relates to a glass substrate comprising at least one ion pattern obtained by a treatment for exchanging the alkali metal ions of the glass with silver ions originating from an outside source, said substrate being formed from a glass having a specific composition and said ion pattern having a variation in the refractive index greater than or equal to 0.03, a depth greater than or equal to 100 ?m and a light transmission coefficient at 410 nm (TL410) greater than or equal to 60%.
    Type: Application
    Filed: September 3, 2008
    Publication date: July 15, 2010
    Applicant: SAINT- GOBAIN GLASS FRANCE
    Inventors: Julien Sellier, Jerome Lalande, Rene Gy, Didier Le Couviour
  • Composition for treating glass-ceramic or glass to improve mechanical strength through curing of surface defects, treatment methods
    Publication number: 20090197026
    Abstract: This composition for treating the surface of a glass-ceramic, especially in plate form, flat glass or hollowware, or glass in the form of fibers, is able to be applied as a thin coating to said glass-ceramic or said glass.
    Type: Application
    Filed: June 15, 2005
    Publication date: August 6, 2009
    Applicant: EUROKERA S.N.C.
    Inventors: Pablo Vilato, Marie-Héléne Rouillon, Caroline Faillat, Sophie Besson, Stéphane Lohou, Olivier Gaume, Didier Le Couviour
  • Protonic, conductive, electrolytic materials
    Patent number: 5507965
    Abstract: Protonic, conductive, macromolecular materials comprising a solid complex of anhydrous orthophosphoric acid and polyoxyethylene and also having an antioxidizing agent and/or a thixotropic agent are useful as an electrolyte in electrochromic systems, particularly systems fitted in the vertical position.
    Type: Grant
    Filed: February 23, 1995
    Date of Patent: April 16, 1996
    Assignee: Saint-Gobain Vitrage
    Inventors: Christian Padoy, Didier Le Couviour