Pigment preparation

US6547870B1 · kind B1 · utility

Assignee

• MERCK PATENT GESELLSCHAFT MIT BESHRANK TER HAFTUNG · DE

Inventors

• Carsten Griessmann · Groß-Zimmern, DE
• Gerhard Herget · Ober-Ramstadt, DE

Key dates

• Filing date: Dec 13, 2000
• Grant date: Apr 15, 2003
• Expiry date: Dec 13, 2020

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T428/2998
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

The invention relates to a non-dusting, homogeneous pigment preparation, comprising≧40% by weight of one or more effect pigments,0.5-60% by weight of a polyalkylene glycol and/or one or more polyalkylene glycol derivatives,0-10% by weight of a redispersing auxiliary,0-40% by weight of water or an organic solvent or solvent mixture,0-40% by weight of at least one further hydroxyl-rich resin,and to its use as a precursor for printing inks.