EP 1966216 A1 20080910 - WORKUP IN THE PREPARATION OF HIGH-PURITY TRIETHYLENEDIAMINE
Title (en)
WORKUP IN THE PREPARATION OF HIGH-PURITY TRIETHYLENEDIAMINE
Title (de)
AUFARBEITUNG BEI DER HERSTELLUNG VON HOCHREINEM TRIETHYLENDIAMIN
Title (fr)
TRAITEMENT POUR LA FABRICATION DE TRIETHYLENE DIAMINE ULTRA PUR
Publication
Application
Priority
- EP 2006069445 W 20061207
- DE 102005061956 A 20051223
Abstract (en)
[origin: DE102005061956A1] Method for processing triethylene diamine comprises evaporating the triethylene diamine, introducing the gaseous triethylene diamine into a solvent, subsequently crystallizing and separating the mixture, extracting the obtained mother liquor with an extracting agent and obtaining a raffinate phase by an adsorption process.
IPC 8 full level
C07D 487/08 (2006.01); C07C 209/86 (2006.01)
CPC (source: EP US)
C07D 487/08 (2013.01 - EP US)
Citation (search report)
See references of WO 2007074034A1
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR
DOCDB simple family (publication)
DE 102005061956 A1 20070705; CN 101321764 A 20081210; EP 1966216 A1 20080910; US 2008312439 A1 20081218; WO 2007074034 A1 20070705
DOCDB simple family (application)
DE 102005061956 A 20051223; CN 200680045704 A 20061207; EP 06830449 A 20061207; EP 2006069445 W 20061207; US 9586806 A 20061207