The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 18, 2011
Filed:
Jul. 21, 2005
Raymund Sonnenschein, Frankfurt am Main, DE;
Peter Adler, Rheinfelden, DE;
Tim Pöpken, Friesoythe, DE;
John Kahsnitz, Haltern am See, DE;
Raymund Sonnenschein, Frankfurt am Main, DE;
Peter Adler, Rheinfelden, DE;
Tim Pöpken, Friesoythe, DE;
John Kahsnitz, Haltern am See, DE;
Evonik Degussa GmbH, Essen, DE;
Abstract
Provided is an apparatus for preparing silanes of the general formula HnSiCU n where n=1, 2, 3 and/or 4 by dismutation of a chlorinated silane in the presence of a catalyst, wherein the apparatus includes: a distillation column having a column bottom, a column top, at least one feed inlet, a plurality of product offtakes, and a chimney tray; and a side reactor containing a catalyst bed having an upper edge, the side reactor being connected to the distillation column via at least three pipes including a first pipe, a second pipe, and a third pipe.