Process for preparing mixed metal oxide powders

Details Process for preparing mixed metal oxide powders Process for preparing mixed metal oxide powders

2007-05-09

2011-11-01

Nguyen, Cam N. (Department: 1736)

Chemistry of inorganic compounds

Oxygen or compound thereof

Metal containing

C423S592100, C423S594100, C423S594200, C423S594300, C423S594400, C423S594500, C423S594600, C423S594700, C423S594800, C423S594900, C423S594120, C423S594130, C423S594140, C423S594150, C423S594160, C423S595000, C423S596000, C423S598000, C423S599000, C423S600000, C423S604000, C423S605000, C423S606000, C423S607000, C423S608000, C423S609000, C423S610000, C423S617000, C423S618000, C423S622000, C423S624000, C423S625000, C423S636000, C423S641000, C502S300000, C501S001000

Reexamination Certificate

active

08048398

ABSTRACT:
Process for preparing a mixed metal oxide powder, in which oxidizable starting materials are evaporated and oxidized, the reaction mixture is cooled after the reaction and the pulverulent solids are removed from gaseous substances, wherein as starting materials, at least one pulverulent metal and at least one metal compound, the metal and the metal component of the metal compound being different and the proportion of metal being at least 80% by weight based on the sum of metal and metal component from metal compound, together with one or more combustion gases, are fed to an evaporation zone of a reactor, where metal and metal compound are evaporated completely under nonoxidizing conditions, subsequently, the mixture flowing out of the evaporation zone is reacted in the oxidation zone of this reactor with a stream of a supplied oxygen-containing gas whose oxygen content is at least sufficient to oxidize the starting materials and combustion gases completely.

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Chinese Office Action issued on Jun. 11, 2010 in corresponding Chinese Application No. 200780021913.X (English Translation Only).

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