Patents by Inventor Jean-Luc Grapton

Jean-Luc Grapton 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).

  • Nickel-free and chromium-free forehearth colors for glass tanks
    Patent number: 9688566
    Abstract: The invention relates to the field of forehearth frits, pearls, and/or concentrates for use in glass compositions. In particular, the present invention provides a system of forehearth frits, pearls, and/or concentrates that is capable of imparting a brown color to a glass composition for forming colored glass in the forehearth of a glass furnace, and a method of using the colored system of forehearth frits, pearls, and/or concentrates. The invention further provides a glass composition for use in forming the color system or for use directly in a forehearth.
    Type: Grant
    Filed: August 3, 2016
    Date of Patent: June 27, 2017
    Assignee: Ferro Corporation
    Inventors: Benoit Darbouret, Jean-Luc Grapton, George E. Sakoske
  • Nickel-Free And Chromium-Free Forehearth Colors For Glass Tanks
    Publication number: 20170036947
    Abstract: The invention relates to the field of forehearth frits, pearls, and/or concentrates for use in glass compositions. In particular, the present invention provides a system of forehearth frits, pearls, and/or concentrates that is capable of imparting a brown color to a glass composition for forming colored glass in the forehearth of a glass furnace, and a method of using the colored system of forehearth frits, pearls, and/or concentrates. The invention further provides a glass composition for use in forming the color system or for use directly in a forehearth.
    Type: Application
    Filed: August 3, 2016
    Publication date: February 9, 2017
    Inventors: Benoit Darbouret, Jean-Luc Grapton, George E. Sakoske