Patents by Inventor Sylvie Calas-Etienne

Sylvie Calas-Etienne 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).

  • PHASE CHANGE OPTICAL DEVICE
    Publication number: 20210071083
    Abstract: An optical device including an aerogel located in an encapsulating structure, an optically non isotropic material presenting a refractive index which can be changed upon submitting said material to an electrical field, preferentially a liquid crystal mixture, embedded in the aerogel, and first and second electrodes arranged to generate an electric field in the encapsulating structure.
    Type: Application
    Filed: January 29, 2019
    Publication date: March 11, 2021
    Applicants: Essilor International, UNIVERSITE DE MONTPELLIER, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE- CNRS
    Inventors: Samuel ARCHAMBEAU, Claudine BIVER, Pascal ETIENNE, Sylvie CALAS ETIENNE, Laurent BONNET
  • Optical element comprising a crack-free aerogel
    Patent number: 9327460
    Abstract: A method manufactures an optical element having a surface that includes cells filled with an aerogel that does not crack during its manufacture or during a subsequent step of impregnating the aerogel with a liquid. The disclosure also relates to the optical elements that can be obtained using the method.
    Type: Grant
    Filed: December 14, 2011
    Date of Patent: May 3, 2016
    Assignees: Essilor International (Compagnie Generale D'Optique), Centre National de la Recherche Scientifique—CNRS
    Inventors: Claudine Biver, Jean-Paul Cano, Rémi Courson, Sylvie Calas-Etienne, Pascal Etienne
  • OPTICAL ELEMENT COMPRISING A CRACK-FREE AEROGEL
    Publication number: 20130309453
    Abstract: A method manufactures an optical element having a surface that includes cells filled with an aerogel that does not crack during its manufacture or during a subsequent step of impregnating the aerogel with a liquid. The disclosure also relates to the optical elements that can be obtained using the method.
    Type: Application
    Filed: December 14, 2011
    Publication date: November 21, 2013
    Applicants: Centre National de la Recherche Scientifique -CNRS, Essilor International (Compagnie Generale D'Optique)
    Inventors: Claudine Biver, Jean-Paul Cano, Rémi Courson, Sylvie Calas-Etienne, Pascal Etienne