Pentasil-structuer zeolithic material the production and use...

Details Pentasil-structuer zeolithic material the production and use... Pentasil-structuer zeolithic material the production and use...

2011-03-08

2011-03-08

Wood, Elizabeth D (Department: 1732)

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

Zeolite or clay, including gallium analogs

C502S063000, C502S064000, C502S068000, C502S071000, C502S077000, C423S700000, C423S702000, C423S704000, C423S707000

Reexamination Certificate

active

07902102

ABSTRACT:
Zeolite material of the pentasil type has an alkali metal and alkaline earth metal content of not more than 100 ppm and a molar ratio of Si to Al of from 250 to 1500, at least 90% of the primary particles of the zeolite material being spherical and 95% by weight of the spherical primary particles having a diameter of less than or equal to 1 μm.

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