Patent · US Expired

Method of purifying alkoxysilanes

US5260470A · kind A · utility

6Cited by

26References

19Claims

0Family size

Assignee

Degussa AG · DE

Inventors

Thomas Goebel · Bad Kötzting, DE
Peter Panster · Rodenbach, DE
Werner Will · Gelnhausen, DE
Peter Kleinschmit · Hanau, DE

Key dates

Filing date	Sep 2, 1992
Grant date	Nov 9, 1993
Priority date	—
Expiry date	Sep 2, 2012

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07F7/20
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

A method of purifying alkoxysilanes contaminated by organosilicon compounds with hydrolyzable chlorine atoms is disclosed wherein the alkoxysilanes are reacted in a pressure reactor with an alcohol, preferably in the presence of an HCl acceptor, at a temperature of 5.degree. C. to 160.degree. C. above the boiling point of the alcohol used and at the pressure which develops in the reactor.

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