Patent · US Expired

Removal of organic iodine compounds from carbonylation products of methanol methyl acetate and dimethyl ether

US4908477A · kind A · utility

43Cited by

4References

5Claims

0Family size

Assignee

BASF SE

Inventors

Horst Hartmann · Dresden, DE
Waldhelm Hochstein · Freinsheim, DE
Gerd Kaibel · Lampertheim, DE
Franz Mueller · Fort Wayne, US

Key dates

Filing date	Mar 9, 1987
Grant date	Mar 13, 1990
Priority date	—
Expiry date	Mar 9, 2007

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07C67/58
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

Organic iodine compounds are separated from carbonylation products of methanol, methyl acetate and dimethyl ether and from mixtures of such carbonylation products by a process wherein the iodine compounds are removed by liquid phase extraction with a non-aromatic hydrocarbon.

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