Patent Number: 7,132,538

Title: Isolation of high-purity triethylenediamine (TEDA) by distillation

Abstract: Process for purifying triethylenediamine (TEDA) by disillation, in which the fractionation is carried out in a dividing wall column.

Inventors: Lang; Ortmund (Quirnbach, DE), Rumpf; Bernd (Hockenheim, DE), Frauenkron; Matthias (Freinsheim, DE), Bosch; Marco (Mannheim, NL), Berrsche; Helmut (Hassloch, DE), Meier; Anton (Birkenheide, DE)

Assignee: BASF Aktiengesellschaft

International Classification: C07D 487/00 (20060101)

Expiration Date: 2019-11-07 0:00:00