Patents by Inventor Filippo Ranuzzi

Filippo Ranuzzi 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).

  • Method for obtaining pigments for ceramic and glass, and pigments obtained thereby
    Patent number: 6908600
    Abstract: A method for obtaining pigments for ceramic and glass, particularly for substrates and coatings, including a step of adding a solution of an iron salt to at least one silicon addition agent including silica in gel form.
    Type: Grant
    Filed: November 25, 2002
    Date of Patent: June 21, 2005
    Inventors: Franco Ambri, Filippo Ranuzzi
  • Method for obtaining dyes for ceramic and glass, particularly for substrates and coatings, and dyes obtained thereby
    Publication number: 20030099588
    Abstract: A method for obtaining dyes for ceramic and glass, particularly for substrates and coatings, comprises a step of adding a solution of at least one salt of a chromophorous element to at least one silicon addition agent selected from a group that consists of silicate solution and silica in gel form.
    Type: Application
    Filed: November 25, 2002
    Publication date: May 29, 2003
    Inventors: Franco Ambri, Filippo Ranuzzi