Molecular sieve compositions

Details Molecular sieve compositions Molecular sieve compositions

1988-04-18

1990-11-27

Pal, Asok

Chemistry of hydrocarbon compounds

Aromatic compound synthesis

By isomerization

208111, 208120, 208136, 585266, 585275, 585415, 585475, 585514, 585527, 585533, 585667, 585666, 585731, 585740, C07C 527

Patent

active

049737856

ABSTRACT:
Crystalline molecular sieves having three-dimensional microporous framework structures of ELO.sub.2, AlO.sub.2, SiO.sub.2 and PO.sub.2 framework oxide units are disclosed. The molecular sieves have an empirical chemical composition on an anhydrous basis expressed by the formula:
mR: (EL.sub.w Al.sub.x P.sub.y Si.sub.z)O.sub.2
wherein "R" represents at least one organic templating agent present in the intracrystalline pore system; "m" represents the molar amount of "R" present per mole of (EL.sub.w Al.sub.x P.sub.y Si.sub.z)O.sub.2 ; "EL" represents at least one element capable of forming a framework oxide unit; and "w", "x", "y" and "z" represent the mole fractions of element(s) "EL", aluminum, phosphorus and silicon, respectively, present as framework oxides. Their use as adsorbents, catalysts, etc. is also disclosed.

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"Aluminophosphates Broaden Shape Selective Catalyst Types", Haggin, Chemical and Engineering News, Jun. 20, 1983, pp. 36-37.

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