Patent · US Active

Apparatus and process for preparing silanes

US8038961B2 · kind B2 · utility

13Cited by

11References

22Claims

0Family size

Assignee

EVONIK DEGUSSA GMBH · DE

Inventors

Raymund Sonnenschein · Frankfurt, DE
Peter Adler · Los Angeles, US
Tim Popken · Friesoythe, DE
John Kahsnitz · Haltern, DE

Key dates

Filing date	Jul 21, 2005
Grant date	Oct 18, 2011
Priority date	—
Expiry date	Mar 31, 2028

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10S203/06
WIPO fieldChemical engineering
WIPO sectorChemistry

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.