Patent · US Active

Process for the preparation of organosilanes

US7501534B2 · kind B2 · utility

6Cited by

6References

9Claims

0Family size

Assignee

Degussa AG · DE

Inventors

Karsten Korth · Wyhlen, DE
Philipp Albert · Bad Kötzting, DE
Ingo Kiefer · Schopfheim, DE
Albert-Johannes Frings · Rheinfelden (Baden), DE
Louis Janssens · Merksem, BE
Horst Mertsch · Rheinfelden (Baden), DE

Key dates

Filing date	Mar 7, 2006
Grant date	Mar 10, 2009
Priority date	—
Expiry date	Oct 13, 2027

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07F7/1892
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

A process for the preparation or organosilanes of the formula Iby reacting a (haloorganyl)alkoxysilane of the formula IIwith a sulphurization reagent selected from the group consisting or alkali metal hydrogen sulphide, alkali metal sulphide Me2S, alkali metal polysulphide Me2Sg and any desired combinations thereof, and optionally additionally with sulphur and/or with H2S, in an alcohol, the Me2S or Me2Sg containing more than 10% by weight of water and the alkali metal hydrogen sulphide containing more than 3% by weight of water.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.