Alkyl aromatic isomerization process using a catalyst...

Details Alkyl aromatic isomerization process using a catalyst... Alkyl aromatic isomerization process using a catalyst...

2009-11-06

2010-06-29

Dang, Thuan Dinh (Department: 1797)

Chemistry of hydrocarbon compounds

Aromatic compound synthesis

By isomerization

C585S482000

Reexamination Certificate

active

07745678

ABSTRACT:
A process for isomerizing alkyl aromatic hydrocarbons using a catalyst comprising a zeolite and a platinum group metal component is described. The zeolite comprises a new family of zeolites designated UZM-8HS which are derived from UZM-8 zeolites by treating the UZM-8 with a fluoro-silicate salt, an acid, etc. The UZM-8HS zeolites have unique x-ray diffraction patterns.

REFERENCES:
patent: 7091390 (2006-08-01), Jan et al.
patent: 2006/0247480 (2006-11-01), Jan et al.
U.S. Appl. No. 11/457,184, filed Jul. 13, 2006, Deng-Yang Jan et al., Amendment After Notice of Allowance dated Oct. 28, 2009.
U.S. Appl. No. 11/457,184, filed Jul. 13, 2006, Deng-Yang Jan et al., Notice of Allowance mailed Sep. 29, 2009.
U.S. Appl. No. 11/457,184, filed Jul. 13, 2006, Deng-Yang Jan et al., Response to Election/Restriction Filed dated Jun. 18, 2009.
U.S. Appl. No. 11/457,184, filed Jul. 13, 2006, Deng-Yang Jan et al., USPTO Office Action mailed Mar. 26, 2009.
U.S. Appl. No. 11/457,184, filed Jul. 13, 2006, Deng-Yang Jan et al., Response to Election/Restriction Filed dated Dec. 11, 2008.
U.S. Appl. No. 11/457,184, filed Jul. 13, 2006, Deng-Yang Jan et al., Office Action mailed Nov. 28, 2008.

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