Clathrasil of the dodecasil 1 H structural type having a small a

Chemistry of inorganic compounds – Zeolite – Organic compound used to form zeolite

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4233281, 4233282, 423331, 423333, 423704, 423709, 502 64, C01B 3326, B01J 2906

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active

054359880

ABSTRACT:
The invention relates to a process for the preparation of crystalline clathrasil of the dodecasil 1 H structural type having an average crystal size of not more than 20 .mu.m, characterised in that an alkaline aqueous silicate-containing medium comprising templates and crystallisation seeds is heat-treated, the crystallisation seeds content, relative to the SiO.sub.2 content of the medium, being not less than 1% by weight.

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patent: 4199556 (1980-04-01), Plank et al.
patent: 4526878 (1985-07-01), Takegami et al.
patent: 4562166 (1985-12-01), Valyocsik
patent: 4665110 (1987-05-01), Zones
patent: 4714601 (1987-12-01), Vaughan
patent: 5157185 (1992-10-01), Chu et al.

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