Method for the incorporation of metals into high temperature antimony oxide

Abstract

A method for incorporation of metals into antimony oxide to form a compound having the formula Sb.sub.100 M.sub.x A.sub.y O.sub.z where M is Mo, Te or both, A is V, Nb, Ta, W, Bi and mixtures thereof, x is 0.1 to 5, y is 0 to 10 and z is a number sufficient to satisfy the valence of the other elements. The method compriss mixing an antimony compound with an oxide or salt of at least one metal selected from the group consisting of M and A and heating the mixture to a temperature of up to about 850.degree. C. to produce the compound, the Sb.sub.2 O.sub.4 component of which is substantially present in the beta form. These steps are also employed in a method for converting low temperature antimony oxide into high temperature antimony oxide. High temperature antimony oxides containing Mo or Te are novel.

Dependencies are inferred from the claim text.