Pigment preparations useful for ink-jet printing

US6245138A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Roger Nyssen · Dormagen, DE
• Dirk Pfutzenreuter · Leverkusen, DE
• Rolf Richter · East Greenwich, US
• Fritz Puchner · Cologne, DE
• Karin Hassenruck · Mülheim an der Ruhr, DE

Key dates

• Filing date: Aug 30, 1999
• Grant date: Jun 12, 2001
• Expiry date: Aug 30, 2019

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08G2650/34
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

The invention relates to aqueous pigment preparation containing an ionic alkoxylated styrene-phenol condensate or a mixture thereof with a hydroxy-terminated alkoxylated styrene-phenol condensate.