US Patent 7396950 Process for production of trialkoxyhalosilanes

Patent 7396950 was granted and assigned to Ube Industries on July, 2008 by the United States Patent and Trademark Office.

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Patent Inventor Names

Hiroshi Sato0

Mikio Fujimoto0

Mitsumasa Tsugawa0

Motozo Yoshikiyo0

Nobuyuki Kuroda0

Sanae Hatakenaka0

Toshikazu Machida0

Yasuhiro Tanaka0

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Patent abstract

A process for the production of trialkoxyhalosilanes which comprises reacting a tetrahalosilane [37] with a tetra-alkoxysilane [38] in the presence of an alcohol whose alkoxy group is the same as those of the tetraalkoxysilane to thereby obtain a trialkoxyhalosilane [39], characterized in that the alcohol is used in an amount of 5 to 50% by mole based on the total amount of Si of the tetrahalosilane and the tetraalkoxysilane: SiX4 [37] (wherein X is halogeno) Si(OR1)4 [38] (wherein R1 is a hydrocarbon group having 1 to 6 carbon atoms) XSi(OR1)3 [39] (wherein X and R1 are each as defined above).

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https://pdfpiw.uspto.gov/.piw?Docid=07396950

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