公开(公告)号：US20170333877A1

公开(公告)日：2017-11-23

申请号：US15524893

申请日：2015-11-05

Applicant: BASF SE

Inventor： Sven TITLBACH ,  Stephan A. SCHUNK ,  Robert MUELLER ,  Andreas SUNDERMANN ,  Michael GOEBEL ,  Andrey KARPOV ,  Michel DEEBA ,  Xiaolai ZHENG ,  Robert GLAUM ,  Andreas SCHMITZ

IPC: B01J23/10 ,  B01D53/94 ,  B01J37/06 ,  B01J37/08 ,  B01J37/02 ,  B01J37/03

CPC classification number: B01J23/10 ,  B01D53/945 ,  B01D2255/2065 ,  B01D2255/2066 ,  B01D2255/2092 ,  B01D2255/40 ,  B01D2255/908 ,  B01D2255/9202 ,  B01D2255/9207 ,  B01J21/04 ,  B01J35/1014 ,  B01J37/0201 ,  B01J37/0236 ,  B01J37/031 ,  B01J37/035 ,  B01J37/06 ,  B01J37/08 ,  C01F7/02 ,  C01F17/0043 ,  C01G25/02 ,  C01P2004/62 ,  C01P2004/64 ,  C01P2006/12 ,  C01P2006/13 ,  Y02T10/22

Abstract: The present invention relates to a composite oxide comprising ceria, praseodymia and alumina, wherein the cerium:praseodymium molar ratio of the composite oxide is 84:16 or less, as well as to a method of preparing the composite oxide and to its use, in particular in a method of treating an exhaust gas stream.