Silane-modified oxidic or siliceous filler, process for its production and its use

US7186768B2 · kind B2 · utility

Assignee

• Degussa AG · DE

Inventors

• Karsten Korth · Wyhlen, DE
• Kurt Eichenauer · Salmünster, DE
• Reimund Pieter · Bensheim, DE
• Oliver Klockmann
• Jurgen Heidlas · Trostberg, DE
• Martin Ober · Cham, DE
• Rudolf Zobel · Willanzheim, DE

Key dates

• Filing date: Apr 25, 2003
• Grant date: Mar 6, 2007
• Expiry date: Dec 27, 2024

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08K3/34
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

Silane-modified oxidic or siliceous filler with a bead fraction below 75 μm of less than 15 wt. % and a median particle size distribution between of 150 to 500 μm, which is produced by the reaction of at least one microbeaded or microgranular, oxidic or siliceous filler in a compressed gas with at least one silane. The silane-modified oxidic or siliceous fillers are used in rubber compounds.