公开(公告)号：US20170128916A1

公开(公告)日：2017-05-11

申请号：US15348217

申请日：2016-11-10

Applicant: BASF SE

Inventor： Michael LEJKOWSKI ,  Yong LIU ,  Marco HARTMANN ,  Till Christian BRUEGGEMANN ,  Lukas SCHULZ ,  Johannes LIEBERKNECHT ,  Armin LANGE DE OLIVEIRA ,  Stephan A. SCHUNK ,  Andrei-Nicolae PARVULESCU ,  Martin DIETERLE ,  Nicolai Tonio WOERZ ,  Rolf TOMPERS ,  Robert MUELLER

IPC: B01J27/199 ,  C07C51/353 ,  B01J37/08 ,  B01J35/00 ,  B01J37/02

CPC classification number: B01J27/199 ,  B01J23/007 ,  B01J23/14 ,  B01J23/22 ,  B01J23/30 ,  B01J35/0006 ,  B01J37/0205 ,  B01J37/0236 ,  B01J37/024 ,  B01J37/086 ,  B01J37/088 ,  C07C51/353 ,  C07C57/04

Abstract: An oxidic composition comprising vanadium, tungsten, phosphorus, oxygen and optionally tin, where the molar ratio of phosphorus to the sum total of vanadium, tungsten and any tin in the oxidic composition is in the range from 1.4:1 to 2.4:1.