Sintering resistant catalyst material and a method for the preparation thereof
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United States of America Patent
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Oct 23, 2007
Grant Date -
Oct 21, 2004
app pub date -
May 23, 2002
filing date -
May 23, 2001
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Abstract
Preparation of sintering resistant hexaaluminates, AAl11O18, wherein A is an alka-line earth or rare earth metal, and more particularly lanthanum, by a combination of sol-gel and microemulsion techniques using a water soluble salt of A, and a method of forming spherical pellets thereof are disclosed.
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