Global Patent Index - EP 1843998 A1

EP 1843998 A1 20071017 - METHOD FOR PRODUCING A XYLYLENE DIAMINE

Title (en)

METHOD FOR PRODUCING A XYLYLENE DIAMINE

Title (de)

VERFAHREN ZUR HERSTELLUNG EINES XYLYLENDIAMINS

Title (fr)

PROCEDE DE FABRICATION D'UNE XYLENE DIAMINE

Publication

EP 1843998 A1 20071017 (DE)

Application

EP 06707753 A 20060119

Priority

  • EP 2006050302 W 20060119
  • DE 102005003315 A 20050124

Abstract (en)

[origin: WO2006077233A1] The invention relates to a method for producing a xylylene diamine by the heterogeneously catalysed hydration of a phthalodinitrile. According to the invention, the hydration is carried out in the presence of a cobalt skeleton catalyst, an alkali metal hydroxide and an alcohol and/or ether as the solvent, at an absolute pressure ranging between 1 and 100 bar and a temperature of between 40 and 150 °C.

IPC 8 full level

C07C 209/48 (2006.01); C07C 211/27 (2006.01)

CPC (source: EP KR US)

C07C 209/48 (2013.01 - EP KR US); C07C 211/27 (2013.01 - KR)

Citation (search report)

See references of WO 2006077233A1

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)

WO 2006077233 A1 20060727; CN 101107215 A 20080116; DE 102005003315 A1 20060803; EP 1843998 A1 20071017; JP 2008528459 A 20080731; KR 20070107714 A 20071107; US 2008214871 A1 20080904

DOCDB simple family (application)

EP 2006050302 W 20060119; CN 200680003035 A 20060119; DE 102005003315 A 20050124; EP 06707753 A 20060119; JP 2007551670 A 20060119; KR 20077019237 A 20070823; US 81439006 A 20060119