Xylenes isomerization catalyst system and use thereof

Details Xylenes isomerization catalyst system and use thereof Xylenes isomerization catalyst system and use thereof

2007-09-18

2007-09-18

Wood, Elizabeth D. (Department: 1755)

Catalyst, solid sorbent, or support therefor: product or process

Zeolite or clay, including gallium analogs

And additional al or si containing component

C502S064000, C502S067000, C502S069000, C502S071000

Reexamination Certificate

active

10902322

ABSTRACT:
A catalyst system that exhibits a ratio of ethylene saturation to aromatics ring saturation of greater than 3,500. The catalyst system comprises two components and each component comprises a crystalline molecular sieve having a Constraint Index of from about 1 to about 12 and an effective amount of Group VIII metal. The catalyst system finds particular application in ethylbenzene conversion/xylenes isomerization reactions. The catalyst system can be prepared by incorporating the Group VIII metal into the molecular sieves by competitive ion exchange.

REFERENCES:
patent: 3354078 (1967-11-01), Miale et al.
patent: 4117026 (1978-09-01), Haag et al.
patent: 4159282 (1979-06-01), Olson et al.
patent: RE31919 (1985-06-01), Butter et al.
patent: 4899011 (1990-02-01), Chu et al.
patent: 5476823 (1995-12-01), Beck et al.
patent: 5516956 (1996-05-01), Abichandani et al.
patent: 5689027 (1997-11-01), Abichandani et al.
patent: 5705726 (1998-01-01), Abichandani et al.
patent: 6028238 (2000-02-01), Beck et al.
patent: 6198013 (2001-03-01), Mohr et al.
patent: 6245704 (2001-06-01), Benazzi et al.
patent: 6504074 (2003-01-01), Verduijn et al.
patent: 6576581 (2003-06-01), Sharma et al.
patent: 6958305 (2005-10-01), Verduijn et al.
patent: 2002/0115555 (2002-08-01), van den Berge et al.
patent: 2004/0029716 (2004-02-01), Mohr et al.
patent: WO 02/45851 (2002-06-01), None
patent: WO 2006/022991 (2006-03-01), None
Poole, Charles P. Jr.,An Electron Spin Resonance Study of Coke Deposits on a Silica-Alumina Catalyst, Journal of Catalysis, vol. 4, 1965, p. 518-522, no month.
Miale, J.N., “Catalysis by Crystalline Aluminosilicates,” Journal of Catalysis, vol. 6, p. 278-287, 1966, no month.
Olson, D.H., “Chemical and Physical Properties of the ZSM-5 Substitutional Series,” Journal of Catalysis, vol. 61, p. 390-396, (1980), no month.
U.S. Appl. No. 10/309,634, filed Dec. 4, 2002, Buchanan et al.

Affiliated with

Also associated with

Rating

Xylenes isomerization catalyst system and use thereof does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Xylenes isomerization catalyst system and use thereof, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Xylenes isomerization catalyst system and use thereof will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3726524