Process for preparing hydridosilanes

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United States of America Patent

PATENT NO 9011812
APP PUB NO 20130259791A1
SERIAL NO

13991986

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Abstract

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The present invention relates to a process for preparing hydridosilanes from halosilanes, in which a) i) at least one halosilane of the generic formula SinX2n+2 (where n≧3 and X=F, Cl, Br and/or I) and ii) at least one catalyst are converted to form a mixture comprising at least one halosilane of the generic formula SimX2m+2 (where m>n and X=F, Cl, Br and/or I) and SiX4 (where X=F, Cl, Br and/or I), and b) the at least one halosilane of the generic formula SimX2m+2 is hydrogenated to form a hydridosilane of the generic formula SimH2m+2, the hydridosilane of the generic formula SimH2m+2 is separated from partially halogenated hydridosilanes of the general formula SimH(2m+2−y)Xy (where 1mH(2m+2−y)Xy (where 1

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Patent Owner(s)

Patent OwnerAddress
EVONIK DEGUSSA GMBHRELLINGHAUSER STRASSE 1-11 ESSEN 45128

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Brausch, Nicole Essen, DE 13 158
Haubrock, Jens Duelmen, DE 2 8
Knippenberg, Udo Marl, US 12 227
Schwaertzke, Thorsten Marl, DE 2 8
Wieber, Stephan Karlsruhe, DE 20 104
Zoellner, Joerg Recklinghausen, DE 1 8

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