Process for the production of mixed granulate from carbon black and light filler

US4430280A · kind A · utility

Assignee

• Degussa AG · DE

Inventors

• Alfons Kreher · Frankfurt, DE
• Gerhard Kuhner · Hanau, DE
• Lothar Rothbuhr · Hürth, DE
• Gunter Turk · Hanau, DE
• Siegfried Wolff · Bornheim, DE

Key dates

• Filing date: Mar 18, 1980
• Grant date: Feb 7, 1984
• Expiry date: Mar 18, 2000

Classification

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

Abstract

There are produced mixed granulates of carbon black-light filler using carbon black and an aqueous suspension of a light filler, e.g. precipitated in a pin containing screw granulator.