Patents Assigned to Cerdec Aktiengesellshcaft Keramische Farben
  • Color paste for manufacturing internally printed laminated glass panes
    Patent number: 5476894
    Abstract: The invention relates to an improved color paste for the manufacture of internally printed, curved laminated glass panes.Prior art color pastes cause problems with respect to adhesion and optical accuracy or require a higher technical complexity during the baking process for producing internally printed laminated glass panes.Color pastes which constitute the invention and overcome the previous drawbacks are characterized by a print medium which contains 5,6,8-trihydroxy-1,4-naphthoquinone in addition to solvents.
    Type: Grant
    Filed: November 4, 1994
    Date of Patent: December 19, 1995
    Assignee: Cerdec Aktiengesellshcaft Keramische Farben
    Inventor: Adalbert Huber