Processes for the production of tri-organo-monoalkoxysilanes and process for the production of tri-organo-monochlorosilanes

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United States of America Patent

PATENT NO 8163950
APP PUB NO 20110275849A1
SERIAL NO

13186031

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A silane containing a bulky hydrocarbon group or groups R therein and having the formula (III)

description='In-line Formulae' end='lead'R3−(x+y)(R1)x(R2)ySi(OR3)description='In-line Formulae' end='tail'

can be produced by reacting a silane of the formula (I)

description='In-line Formulae' end='lead'(R1)x(R2)ySiCl3−(x+y)(OR3)description='In-line Formulae' end='tail'

with a Grignard reagent of the formula (II)

description='In-line Formulae' end='lead'RMgXdescription='In-line Formulae' end='tail'

Further, a tri-organo-chlorosilane of the formula (XIIa)

description='In-line Formulae' end='lead'(R1)(R2)(R3)SiCldescription='In-line Formulae' end='tail'

can be produced by reacting a tri-organo-silane of the formula (XIa)

description='In-line Formulae' end='lead'(R1)(R2)(R3)SiZ1 description='In-line Formulae' end='tail'

with hydrochloric acid.

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Patent Owner(s)

Patent OwnerAddress
SHIN-ETSU CHEMICAL CO LTD6-1 OHTEMACHI 2-CHOME CHIYODA-KU TOKYO

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bannou, Tadashi Tamano, JP 3 1
Hayakawa, Yoshiki Tokyo, JP 14 47
Masaoka, Shin Atsugi, JP 7 17

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