Shape selective reactions with zeolite catalyst modified with gr

Details Shape selective reactions with zeolite catalyst modified with gr Shape selective reactions with zeolite catalyst modified with gr

1980-04-07

1981-07-14

Davis, Curtis R.

Chemistry of hydrocarbon compounds

Aromatic compound synthesis

By condensation of entire molecules or entire hydrocarbyl...

585470, 585474, 585475, C07C 268, C07C 522, C07C 552

Patent

active

042788277

ABSTRACT:
A process for the conversion of aromatic compounds to dialkylbenzene compounds rich in the 1,4-dialkylbenzene isomer. The reaction is carried out in the presence of a particular type of zeolite catalyst having a silica to alumina mole ratio of at least 12 and a constraint index of about 1-12, said catalyst having been modified by treatment with compounds of germanium, tin and/or lead, and optionally phosphorus, to deposit a minor proportion of such elements on the zeolite.

REFERENCES:
patent: 3965208 (1976-06-01), Butter et al.
patent: 3972832 (1976-08-01), Butter et al.
patent: 3979472 (1976-09-01), Butter
patent: 4002697 (1977-01-01), Chen
patent: 4034053 (1977-07-01), Kaeding et al.
patent: 4052476 (1977-10-01), Morrison
patent: 4067920 (1978-01-01), Kaeding
patent: 4101597 (1978-07-01), Breckenridge
patent: 4117026 (1978-09-01), Haag et al.
patent: 4128592 (1978-12-01), Kaeding
patent: 4137195 (1979-01-01), Chu

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