Mesoporous crystalline composition with a high surface area of a tetravalent metal which can be used as catalyst
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United States of America Patent
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Nov 30, 1999
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N/A
app pub date -
Dec 29, 1997
filing date -
Jan 16, 1997
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Expired
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Abstract
Solid mesoporous crystalline composition of a pyrophosphate-phosphate of a tetravalent metal, with a high surface area and narrow distribution of the mesopores, having formula (I): M(P.sub.2 O.sub.7).sub.1-z (HPO.sub.4).sub.2z (I) wherein: M is a tetravalent metal and z varies from 0.05 to 0.25. The process for its production is described together with its uses.
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