Microporous crystalline material (ITQ-19) with laminar...

Details Microporous crystalline material (ITQ-19) with laminar... Microporous crystalline material (ITQ-19) with laminar...

2006-04-18

2006-04-18

Sample, David (Department: 1755)

Chemistry of inorganic compounds

Zeolite

Structure defined x-ray diffraction pattern

C423S706000, C423S707000, C423S708000, C423S329100, C208S027000, C208S028000, C585S475000, C502S060000

Reexamination Certificate

active

07029651

ABSTRACT:
The invention relates to a novel microporous crystalline material ITQ-19 used in the catalytic conversion of organic compounds, such as, for example, the dewaxing and isodewaxing of paraffins and the disproportionation of toluene. Said material has a characteristic X-ray diffractogram, a high absorption capacity and the empirical formula x(M1
XO2):yYO2:(1−y)SiO2wherein x has a value less than 0.2; y has a value less than 0.1; M is at least an inorganic cation with a +n charge; X is at least a chemical element having oxidation state +3, preferably selected among Al, Ga, B, Cr, Fe; Y is at least a chemical element with oxidation stated +4, preferably selected among Ge, Ti, Sn, V. The inventive material can be obtained by means of a preparation process involving the use of one or more organic additives in a reaction mix which is crystallized by heating.

REFERENCES:
patent: 3642434 (1972-02-01), Dwyer
patent: 3692470 (1972-09-01), Ciric
patent: 4331643 (1982-05-01), Rubin et al.
patent: 4414189 (1983-11-01), Kokotailo et al.
patent: 4855270 (1989-08-01), Haddad et al.
patent: 5958370 (1999-09-01), Zones et al.
patent: 6710218 (2004-03-01), Pop et al.
patent: 2003073115 (2003-03-01), None

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