Finely divided metal oxides and sintered objects therefrom
 Finely-divided metal oxides are prepared by the steps of (a) contacting a compound of a metal with a carbohydrate material to obtain an intimate mixture thereof, (b) igniting this mixture to oxidize the same and to insure conversion of substantially all of said metal compound to a fragile agglomerate of its metal oxide, and (c) pulverizing the product of step (b) to form a finely-divided metal oxide powder having a mean particle size below about 1.0 micron. Certain of the finely-divided metal oxide powders produced by this process have the useful property of sinterability at temperatures significantly lower than metal oxide powders heretofore readily available. The powders are useful in the preparation of high strength compacted shapes for use in high temperature and/or corrosive environment, in the preparation of refractory cements, catalysts, catalysts supports and the like. 
Union Carbide Corporation
C C C C C C C C C C C C G C C C C C C C C C C C C C C B B C H
C04B C01P C01F C04B C01P C01G C01P C01P C01P C04B C01P C01P G11B C04B C01B C01G C04B C01F C01G C01P C04B C01G C04B C04B C01P C01P C04B B01J B82Y C01B H01F
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Bernard H. Alfred W.
Hamling Naumann