Binary molecular sieves having a core and shell of different str

Details Binary molecular sieves having a core and shell of different str Binary molecular sieves having a core and shell of different str

1995-10-25

1999-03-30

Bos, Steven

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

Zeolite or clay, including gallium analogs

And additional al or si containing component

502 71, 502208, 502214, B01J 2906

Patent

active

058889213

ABSTRACT:
Disclosed is a novel binary sieve catalyst useful for olefin upgrading and fluid catalytic cracking which comprises a crystalline zeolite metallosilicate core and a shell selected from an aluminum phosphate molecular sieve (AlPO.sub.4), a silicon-substituted aluminophosphate (SAPO), a metal aluminophosphate (MeAPO), and a crystalline metal aluminophosphate (MeAPSO) and is generally synthesized by a method comprising:

REFERENCES:
patent: 4605637 (1986-08-01), Chang et al.
patent: 4791083 (1988-12-01), Pellet et al.
patent: 4803184 (1989-02-01), Long et al.
patent: 4814316 (1989-03-01), Pellet et al.
patent: 4867861 (1989-09-01), Abdo et al.
patent: 5179054 (1993-01-01), Schipper et al.

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