Beaded black

US7112618B2 · kind B2 · utility

Assignee

• Degussa AG · DE

Inventors

• Karin Otto · Bonn, DE
• Heinz Zoch · Maintal, DE
• Jan Kopietz · Lennestadt, DE

Key dates

• Filing date: Dec 14, 2001
• Grant date: Sep 26, 2006
• Expiry date: Nov 15, 2023

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C01P2006/19
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

A beaded black containing at least one pelletizing additive and at least one synthetic oil. The beaded black can be produced in a pelletizing machine and used as a filler and/or pigment in rubber and plastic articles and as a pigment for the production of printing inks.