Patent · US Expired

Process for the manufacture of 1,2-dichloroethane

US4788358A · kind A · utility

4Cited by

9References

7Claims

0Family size

Assignee

BAYER HEALTHCARE LLC · DE

Inventors

Josef Riedl · Attenkirchen, DE
Wenzel Kuhn · Altötting, DE
Peter Widmann · Altötting, DE

Key dates

Filing date	Aug 5, 1985
Grant date	Nov 29, 1988
Priority date	—
Expiry date	Aug 5, 2005

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07C17/156
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

A process for the manufacture of 1,2-dichloroethane from ethylene by reaction with hydrogen chloride and inert gases containing oxygen, and also by reaction with chlorine, is described. The two chlorination reactions are carried out successively at 180.degree. to 360.degree. C. and under a pressure of 0.09 to 1.1 MPa in a common reaction space containing fluidized catalyst particles. A stoichiometric excess of ethylene is employed for the first chlorination reaction. The heat formed in the reaction space is removed by indirect cooling. The process is simple in terms of apparatus and permits a better re-use of the total heat of reaction of the chlorination of ethylene.

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