Process for the production of high quality carbon black forming material

US4225416A · kind A · utility

Assignee

• Deutsche Gold- und Silber-Scheideanstalt Vormals Roessler

Inventors

• Lothar Rothbuhr · Hürth, DE
• Werner Sroka · Münstermaifeld, DE
• Walter Fritz · Santa Clara, US

Key dates

• Filing date: Nov 20, 1978
• Grant date: Sep 30, 1980
• Expiry date: Nov 20, 1998

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C01P2006/19
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

High quality carbon black forming material convertible with high yield into furnace black having a high abrasion resistance in rubber is prepared by dissolving pitch with conventional thinly liquid carbon black feed stock and mechanically separating suspended matter from the mixture obtained.