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AssigneesFerrania, S.p.A., OLIVETTI I-JET S.p.A.
InventorsDiego Brignone, Paola Franceschini, Andrea Gagliardo, Giovanni Maria Manca, Luigina Gino, Fulvio Cominetti
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An ink jet printing system comprises an ink receiving sheet and an ink-jet printer. The ink receiving sheet comprises a support, at least one receiving layer and a top coat layer. The ink-jet printer comprises an ink-jet cartridge comprising an ink. The receiving layer comprises a hydrophilic binder and a vinyl polymeric compound and has a total coverage weight of at least 12 g/m2, and the top coat layer is free of vinyl polymeric compounds and comprises a hydrophilic binder and a corn starch matting agent. The ink comprises a dye selected from the group consisting of azo and disazo dye at a concentration higher than 4% by weight, in order to achieve an optical density higher than 3.00.
An ink jet printing system comprising an ink receiving sheet and an ink-jet printer, said ink receiving sheet comprising a support, at least one ink receiving layer and a top coat layer, and said ink-jet printer comprising an ink-jet cartridge comprising an ink, characterized in that said ink receiving layer has a total coverage weight of at least 12 g/m2, and said top coat layer comprises a hydrophilic binder and a corn starch matting agent, the top coat layer being free of vinyl polymeric compounds and characterized in that said ink comprises a dye selected from the group consisting of azo and disazo dye at a concentration higher than 4% by weight.
Dependencies are inferred from the claim text.