Method of ink-jet printing with pigment preparations having a dispersant

US6332943A · kind A · utility

Assignee

• BASF SE

Inventors

• Manfred Herrmann
• Günther König · Frankenthal (Pfalz), DE
• Rudiger Sens · Ludwigshafen, DE
• Bernd Siegel · Ludwigshafen, DE
• Karl Siemensmeyer · Bischofswerda, DE

Key dates

• Filing date: Dec 30, 1999
• Grant date: Dec 25, 2001
• Expiry date: Dec 30, 2019

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09B67/0084
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

Pigment preparation for the ink-jet process which comprises A) at least one finely divided, organic or inorganic pigment, B) a dispersant based on arylsulfonic acid/formaldehyde condensation products or an alkoxylated phenols, and C) water, as essential constituents. It provides for prints of high light fastness, wash fastness and rub fastness.