Method for preparing zeolites

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United States of America Patent

PATENT NO 4366135
SERIAL NO

06214763

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Abstract

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Preparation of zeolites having the formula: (1.5.+-.0.6) M.sub.2/n O.Al.sub.2 O.sub.3.ySiO.sub.2.zH.sub.2 O [wherein y ranges from 20 to 90, z ranges from 2 to 12, M is at least one cation and n is the valence of M], comprising the admixing of diethyl-piperidinium hydroxide, or a salt thereof, with H.sub.2 O and with at least one Na compound, one Al compound and one Si compound, the molar ratios (ratios of oxides) being: SiO.sub.2 :Al.sub.2 O.sub.3 =from 20 to 120; H.sub.2 O:Na.sub.2 O=from 50 to 600; Na.sub.2 O:SiO.sub.2 =from 0.07 to 0.50; (DEPP).sub.2 O:SiO.sub.2 =from 0.05 to 0.50. The invention concerns also the thus obtained zeolites and their use for acid-catalyzed conversions of hydrocarbons.

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Patent Owner(s)

Patent OwnerAddress
MONTEDISON S P AMILAN

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Covini, Romano Milan, IT 3 19
Genoni, Fausto Samarate, IT 5 33
Le, Van Mao Raymond Milan, IT 19 230
Moretti, Enrico Bollate, IT 5 44
Pilati, Orlando Milan, IT 1 12

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