Ceramic inks for inkjet printers

US9039822B2 · kind B2 · utility

Assignee

• LAMBERTI SPA · IT

Inventors

• Dario Fornara · Novara, IT
• Alan Nappa · Modena, IT
• Tamara Verzotti · Novara, IT
• Paolo Prampolini · Castelnuovo Rangone, IT
• Stefano Crespi · Busto Arsizio, IT
• Giovanni Floridi · Novara, IT
• Giuseppe Li Bassi · Varese, IT

Key dates

• Filing date: Feb 9, 2012
• Grant date: May 26, 2015
• Expiry date: Feb 9, 2032

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09D11/326
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

Abstract

Ceramic inkjet inks comprising ceramic inorganic pigments having average particle size between 0.1 and 0.8 μm, an organic medium and a dispersant, the dispersant being the reaction product of a polyethyleneimine with a homo- or co-polyester based on lactic acid, and method for decorating green or fired ceramic bodies by the use of the above ceramic inkjet inks.