Synthesis of ZSM-48 crystals with heterostructural, non...

Details Synthesis of ZSM-48 crystals with heterostructural, non... Synthesis of ZSM-48 crystals with heterostructural, non...

2005-08-02

2005-08-02

Sample, David (Department: 1755)

Chemistry of inorganic compounds

Zeolite

Seed used

C423S705000, C423S708000, C423S716000

Reexamination Certificate

active

06923949

ABSTRACT:
Pure phase, high activity ZSM-48 crystals having a SiO2/Al2O3ratio of less than about 150/1, substantially free from ZSM-50 and Kenyaite, and fibrous morphology crystals. The crystals may further have a specific cross morphology. A method for making such crystals using heterostructural, zeolite seeds, other than ZSM-48 and ZSM-50 seeds.

REFERENCES:
patent: 4423021 (1983-12-01), Rollmann et al.
patent: 4585747 (1986-04-01), Valyocsik
patent: 5961951 (1999-10-01), Kennedy et al.
patent: 142317 (1985-05-01), None

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