Superacid catalyst for the hydroisomerization of n-paraffins and process for its preparation
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United States of America Patent
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Mar 14, 2000
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N/A
app pub date -
Feb 6, 1998
filing date -
Feb 20, 1997
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Expired
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Abstract
A superacid catalyst comprising zirconium oxide having a purely tetragonal crystalline phase structure and whose surface has sulfate groups thereon in a quantity corresponding to the total coverage of the surface of the zirconium oxide by a monolayer of said sulfate groups, the zirconium oxide having a porosimetric distribution consisting of at least 70% of pores having a diameter ranging from 1-4 nm.
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