Difunctional catalyst effective in wax hydroisomerization and process for preparing it
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United States of America Patent
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Nov 9, 1999
Issued Date -
N/A
app pub date -
Nov 23, 1998
filing date -
Jul 23, 1993
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Abstract
Process for the hydroisomerization of n-paraffins in the presence of a difunctional catalyst which comprises: (a) a porous crystalline material isostructural with beta-zeolite selected from boro-silicate (BOR-B) and boro-alumino-silicate (AL-BOR-B) in which the molar SiO.sub.2 :Al.sub.2 O.sub.3 ratio is higher than 300:1; (b) one or more metal(s) belonging to Group VIIIA, selected from platinum and palladium, in an amount comprised within the range of from 0.05 to 5% by weight.
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