Stephanie N Berger

US Patent:

20130251617, Sep 26, 2013

Filed:

Dec 13, 2011

Appl. No.:

13/877909

Inventors:

Stephanie Berger - Crestwood KY, US
Dimitris Katsoulis - Midland MI, US
Robert Larsen - Midland MI, US
Matthew McLaughlin - Midland MI, US
Unnikrishnan Pillai - Union KY, US
Jonathan Wineland - Bedford KY, US

International Classification:

C01B 33/107

US Classification:

423342

Abstract:

A method of making a trihalosilane comprising contacting an organotrihalosilane according to the formula RS1X3 (I), wherein R is C-Chydrocarbyl and each X independently is halo, with hydrogen, wherein the mole ratio of the organotrihalosilane to hydrogen is from 0.009:1 to 1:2300, in the presence of a catalyst comprising a metal selected from (i) Re, (ii) a mixture comprising Re and at least one element selected from Pd, Ru, Mn, Cu, and Rh, (iii) a mixture comprising Ir and at least one element selected from Pd and Rh, (iv) Mn, (v) a mixture comprising Mn and Rh, (vi) Ag, (vii) Mg, and (viii) Rh at from 300 to 800 C. to form a trihalosilane.