Catalyst that comprises at least one bog-structured zeolite...

Catalyst – solid sorbent – or support therefor: product or process – Zeolite or clay – including gallium analogs – And group viii containing

Reexamination Certificate

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Details

C502S060000, C502S063000, C502S073000, C423S700000, C585S475000

Reexamination Certificate

active

10972148

ABSTRACT:
This invention relates to a catalyst that contains at least one BOG-structured zeolite that comprises silicon and at least one Element T that is selected from the group that is formed by aluminum, iron, gallium and boron. The catalyst contains at least one metal that is selected from the group that is formed by the non-noble elements of groups VIB, VIIB and VIII of the periodic table. Said catalyst is used in a process for transalkylation of alkyl-aromatic hydrocarbons such as toluene and the alkyl-aromatic compounds with at least 9 carbon atoms.

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patent: 6613709 (2003-09-01), Merlen et al.
patent: 2005/0234279 (2005-10-01), Serra et al.
patent: 2006/0100471 (2006-05-01), Serra Alfaro et al.
patent: 1077083 (2001-02-01), None
patent: 2821075 (2002-08-01), None
J.J. Pluth and J.V. Smith, “Crystal structure of boggsite, a new high-silica zeolite with the first three-dimensional channel system bound by both 12- and 10- rings,” American Mineralogist, vol. 75, 1990, pp. 501-507.
Adair Brian et al., “Reactions of meta-xylene on zeolites with intersecting medium and large pores. I. Basic studies,” Microporous Materials, vol. 7, No. 5, Nov. 1996, pp. 261-270.

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