Patent · US Expired

Device for treating gases at high temperatures

US4536642A · kind A · utility

29Cited by

3References

3Claims

0Family size

Assignee

Wacker-Chemitronic Gesellschaft fur Elektronik Grundstoffe mbH · DE

Inventors

Helmut Hamster · Burghausen, DE
Franz Koppl · Altötting, DE

Key dates

Filing date	Jul 13, 1983
Grant date	Aug 20, 1985
Priority date	—
Expiry date	Jul 13, 2003

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB01J2219/00155
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

A device is provided for treating gases or mixtures of gases at high temptures, such as, for example, for the reaction, known as tetraconversion, of silicon tetrachloride with hydrogen to form trichlorosilane. The device has a heat-insulated housing having gas-inlet and gas-outlet openings and a plurality of resistance heaters disposed in the housing that are directly electrically heated and around or through which the gases to be treated flow. According to a preferred embodiment, the device is also provided with an integrated heat-exchanger unit.

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