Patent ID: 6294011
Filing Date: 2001-09-25
Classification: C01G,C01P

Abstract:
A compound comprising:a) a titanium-, cerium- and alkaline- or alkaline-earth-based compound of the formula (1):M.sub.x Ce.sub.y Ti.sub.z O.sub.twherein:M represents an alkaline or an alkaline-earth metal, andx, y and z satisfy the following equations:0.1.ltoreq.y/z.ltoreq.1.5,1.ltoreq.(x+z)/y.ltoreq.15,x+y+z=1, and(x+3y+4z)/2.ltoreq.t.ltoreq.(x+4y+4z)/2, andb) an additional rare earth element other than cerium.