Iron oxide yellow pigments, a method of producing iron oxide yellow pigments and the use thereof

US6042642A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Rolf Braun · Offenbach, DE
• Eckhard Bayer · Krefeld, DE
• Ulrich Meisen · Kall, DE

Key dates

• Filing date: Oct 15, 1998
• Grant date: Mar 28, 2000
• Expiry date: Oct 15, 2018

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C01P2006/80
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

The present invention relates to iron oxide yellow pigments, to a method of producing iron oxide yellow pigments by a precipitation method from iron(II) chloride and an alkaline component, and to the use thereof.