Patent · US Expired

Process for separating acetaldehyde from mixtures with chloroform, methylene chloride and chlorofuran

US4306092A · kind A · utility

1Cited by

3References

6Claims

0Family size

Assignee

Wacker Chemie AG · DE

Inventors

Werner Opavsky
Josef Reisner · Cologne, DE

Key dates

Filing date	Jul 11, 1980
Grant date	Dec 15, 1981
Priority date	—
Expiry date	Jul 11, 2000

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07C45/80
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

The invention provides a process by which acetaldehyde can be separated off from mixtures with chloroform, methylene chloride and chlorofuran. In this process, the aldehyde is separated off by adding water to separate the mixture into an aldehyde-containing phase and a phase comprising chloroform, methylene chloride and chlorofuran.

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