Shaped articles made from expanded minerals

US4473404A · kind A · utility

Assignee

• Hoechst GmbH · DE

Inventors

• Peter Eckardt · Hofheim, DE
• Franz J. Voetz · Bad Camberg, DE

Key dates

• Filing date: Jan 13, 1984
• Grant date: Sep 25, 1984
• Expiry date: Jan 13, 2004

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S106/02
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

Abstract

Shaped articles made from expanded minerals, otained by using a mineral binder system composed either of calcium aluminate and aluminum phosphate or of waterglass and a catalyst to consolidate an expanded mineral which has been rendered hydrophobic and wherein the expanded mineral is rendered hydrophobic by means of an organosiloxane.