Catalyst and process for the preparation of alkylated aromatic hydrocarbons
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United States of America Patent
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Oct 4, 2011
Grant Date -
Nov 29, 2007
app pub date -
Jun 21, 2005
filing date -
Jun 25, 2004
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Abstract
The present invention relates to a new zeolite having a beta-type crystalline structure, characterized by a distribution of the Lewis acid sites and Brønsted acid sites corresponding to a molar ratio [Lewis sites] [Brønsted sites] equal to or higher than 1.5. This new zeolite is useful in preparation processes of alkylated aromatic hydrocarbons through the alkylation and/or transalkylation of aromatic compounds. The preparation method of the new zeolite is also object of the present invention.
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