公开(公告)号：MY128234A

公开(公告)日：2007-01-31

申请号：MYPI20020724

申请日：2002-03-01

Applicant: BASF AG

Inventor： WEIGL HAGEN DR ,  EBEL KLAUS DR ,  HUBER-DIRR SYLVIA DR ,  KUSCHE ANDREAS DR ,  ELLER KARSTEN DR ,  HESSE MICHAEL DR ,  HN ARTHUR H XD DR

IPC: B01J23/89 ,  B01J27/045 ,  B01J37/02 ,  B01J37/20 ,  C07B61/00 ,  C07C31/20 ,  C07D307/28 ,  C07D309/18 ,  C07D319/12

Abstract: A PROCESS FOR THE PRODUCTION OF UNSATURATED CYCLIC ETHERS OF THE GENERAL FORMULA I IN WHICH ZDENOTES -(CHR⁴)q- OR -(CHR⁴)q-0-,qIS O,1, 2 OR 3 AND R¹, R², R³, AND R⁴ DENOTE HYDROGEN OR C₁- C₄ ALKYL BY CONVERSION OF DIOLS OF THE GENERAL FORMULA I IN WHICH Z, R¹, R² AND R³ HAVE THE AFOREMENTIONED MEANINGS, IN LIQUID PHASE AT TEMPERATURES OF FROM 150° TO 300°C IN THE PRESENCE OF A SULFUR-DOPED, COBALT-CONTAINING SUPPORTED CATALYST NOT ACTIVATED BY REDUCTION BEFORE USE AND CONTAINING COBALT AND A NOBLE METAL APPLIED TO AN INERT SUPPORT BY SOL IMPREGNATION AND SELECTED FROM THE GROUP COMPRISING PLATINUM, PALLADIUM, RHODIUM, IRIDIUM, RUTHENIUM, OSMIUM, RHENIUM, OR MIXTURE THEREOF, WHEREIN WATER IS ADDED.

公开(公告)号：MY136238A

公开(公告)日：2008-08-29

申请号：MYPI20013802

申请日：2001-08-14

Applicant: BASF AG

Inventor： SIGWART CHRISTOPH DR ,  MEIER ANTON DR ,  HESSE MICHAEL DR ,  MENGER VOLKMAR DR ,  PFAFF KLAUS-PETER DR ,  HN ARTHUR H XD DR ,  FRANZ LOTHAR DR

IPC: C08G65/30 ,  C08G65/20 ,  C08G65/322

Abstract: IN A PROCESS FOR PREPARING POLYTETRAHYDROFURAN, TETRAHYDROFURAN COPOLYMERS, DIESTERS OR MONOESTERS OF THESE POLYMERS HAVING A LOW COLOR NUMBER, THE POLYMERS OBTAINED BY CATIONIC POLYMERIZATION OF TETRAHYDROFURAN ARE HYDROGENATED IN THE PRESENCE OF A MACROPOROUS, SUPPORTED HETEROGENEOUS CATALYST COMPRISING AT LEAST ONE METAL OF GROUPS 7 TO 10 OF THE PERIODIC TABLE OF THE ELEMENTS AS ACTIVE METAL.