Diffusion-coated metals
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United States of America Patent
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Dec 31, 1991
Issued Date -
N/A
app pub date -
Jan 30, 1990
filing date -
Nov 21, 1989
priority date (Note) -
Expired
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Abstract
Porous metal aluminide catalysts are formed by sintering together a mixture of aluminum powder with a powdered pyrophorically activatable metal in the proportion of about 11/2 to 3 atoms of aluminum for every atom of the activatable metal to cause the metal to interact and form a coherent mass, then leaching aluminum out of the mass to render it pyrophoric and then destroying that pyrophoricity.
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