公开(公告)号：MY119691A

公开(公告)日：2005-06-30

申请号：MYPI9905194

申请日：1999-11-30

Applicant: BASF AG

Inventor： RUIDER GUNTHER DR ,  ROSS KARL-HEINZ DR

IPC: C07C213/04 ,  C07C213/10 ,  C07C215/08

Abstract: METHOD OF PURIFYING TRIETHANOLAMINE PREPARED BY REACTING AQUEOUS AMMONIA WITH ETHYLENE OXIDE IN THE LIQUID PHASE UNDER PRESSURE AND AT ELEVATED TEMPERATURE BY REMOVING EXCESS AMMONIA, WATER AND MONOETHANOL AMINE FROM THE REACTION PRODUCT, REACTING THE RESULTING CRUDE PRODUCT WITH ETHYLENE OXIDE AT TEMPERATURES OF FROM 110 TO 180°C, AND THEN RECTIFYING THE MIXTURE IN THE PRESENCE OF PHOSPHOROUS OR HYPOPHOSPHOROUS ACID OR COMPOUNDS THEREOF.

公开(公告)号：ES2203558T3

公开(公告)日：2004-04-16

申请号：ES01104959

申请日：2001-03-01

Applicant: BASF AG

Inventor： RUIDER GUNTHER DR ,  ROSS KARL-HEINZ DR ,  MELDER JOHANN-PETER DR ,  SCHULZ GERHARD DR ,  GUTSCHOVEN FRANK ,  BUSKENS PHILIP DR

IPC: C07C213/10 ,  C07C215/08 ,  C07C215/12 ,  C07C215/14