Pigment granulate for coloring non-polar media and methods for the production

US6706110B2 · 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: Jan 28, 2002
• Grant date: Mar 16, 2004
• Expiry date: Jan 28, 2022

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 systems as well as one or more solvents if necessary.