Pigment granulates for coloring building materials

US6780234B2 · kind B2 · utility

Assignee

• Brockhues GmbH & Co. · DE

Inventors

• Christian Egger · Höchberg, DE
• Klaus Nungess · Neu-Isenburg, DE
• Adolf Veit · Wiesbaden, DE
• Stefan Vogler · Eltville am Rhein, DE

Key dates

• Filing date: Dec 2, 2003
• Grant date: Aug 24, 2004
• Expiry date: Dec 2, 2023

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C01P2004/50
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

The invention pertains to pigment granulates for the coloring of asphalt, bitumen, bituminous materials, tar, and plastics as well as processes to manufacture such granulates. The mixture to be granulated comprises a mixture containing one or more pigments, at least one agent to promote the coloring and distribution in homopolar media and/or at least one dispersant for polar system as well as one or more solvents if necessary.