Process for the preparation of mercaptoorganyl (alkoxysilanes)

US7332619B2 · kind B2 · utility

Assignee

• Degussa AG · DE

Inventors

• Karsten Korth · Wyhlen, DE
• Philipp Albert · Bad Kötzting, DE
• Dorit Wolf · Oberursel, DE
• Steffen Seebald · Großkrotzenburg, DE
• Reimund Pieter · Bensheim, DE
• Alfreg Alig · Pfalzgrafenweiler, DE

Key dates

• Filing date: Sep 7, 2005
• Grant date: Feb 19, 2008
• Expiry date: Jun 10, 2026

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07F7/1892
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

The invention relates to a process for the preparation of mercaptoorganyl(alkoxysilanes), wherein bis(alkoxysilylorganyl)polysulfides are hydrogenated with hydrogen and a transition metal catalyst in a solvent without the addition of alcohols, H2S or water.