Global Patent Index - EP 1856025 A1

EP 1856025 A1 20071121 - METHOD FOR PRODUCING A XYLYLENEDIAMINE

Title (en)

METHOD FOR PRODUCING A XYLYLENEDIAMINE

Title (de)

VERFAHREN ZUR HERSTELLUNG EINES XYLYLENDIAMINS

Title (fr)

PROCEDE POUR PRODUIRE UNE XYLYLENEDIAMINE

Publication

EP 1856025 A1 20071121 (DE)

Application

EP 06708480 A 20060223

Priority

  • EP 2006060226 W 20060223
  • DE 102005008929 A 20050224

Abstract (en)

[origin: DE102005008929A1] Preparation of xylylenediamine compounds (I) comprises heterogeneous catalyzed hydrogenation of phthalodinitrile compound (II), where the hydrogenation takes place in the presence of a nickel containing catalyst (III), water, alkali metal hydroxide (IV) and ethers as solvents, at 1-100 bars and 40-150[deg]C and in the absence of ammonia.

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)

C-Set (source: EP US)

C07C 209/48 + C07C 211/27

Citation (search report)

See references of WO 2006089931A1

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 102005008929 A1 20060831; CN 101128416 A 20080220; EP 1856025 A1 20071121; JP 2008531521 A 20080814; KR 20070105382 A 20071030; US 2008154061 A1 20080626; WO 2006089931 A1 20060831

DOCDB simple family (application)

DE 102005008929 A 20050224; CN 200680005924 A 20060223; EP 06708480 A 20060223; EP 2006060226 W 20060223; JP 2007556608 A 20060223; KR 20077021773 A 20070921; US 81687806 A 20060223