Preparation of para-xylene by toluene methylation

Details Preparation of para-xylene by toluene methylation Preparation of para-xylene by toluene methylation

1989-03-13

1990-06-19

Davis, Curtis R.

Chemistry of hydrocarbon compounds

Aromatic compound synthesis

By condensation of entire molecules or entire hydrocarbyl...

C07C 268

Patent

active

049355740

ABSTRACT:
A silica catalyst that retains its high initial activity for a longer time is obtained by forming the catalyst from an aquasol that was obtained by mixing an alkali metal aluminate with an aqueous solution of alkali metal silicate.

REFERENCES:
patent: 4444989 (1984-04-01), Herkes
patent: 4520220 (1985-05-01), Watson et al.
patent: 4740649 (1988-04-01), Chu et al.
patent: 4758327 (1988-07-01), Young
patent: 4758328 (1988-07-01), Young
patent: 4774379 (1988-09-01), Butter et al.

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