Patents by Inventor Remy Meyrueix

Remy Meyrueix 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).

  • Organic photochromic materials with high refractive index, their preparation and articles formed from these materials
    Patent number: 5763511
    Abstract: The invention relates to organic photochromic materials consisting of a polymer matrix of optical quality and of at least one dye that imparts photochromic properties to the matrix, the dye being selected from spirooxazines, spiropyrans and chromenes. The polymer constituting the matrix is a copolymer of 30-95 wt % ethoxylated bisphenol A dimethacrylate and 5-70 wt % of a polyurethane oligomer having terminal di- or triacrylic or di- or trimethacrylic functionality. Such photochromic materials are most suitable for the production of ophthalmic and sun protection lenses.
    Type: Grant
    Filed: April 21, 1997
    Date of Patent: June 9, 1998
    Assignee: Corning Incorporated
    Inventors: You-Ping Chan, David Henry, Remy Meyrueix, Jacques Jean Vial