Compositions – Preservative agents – Anti-oxidants or chemical change inhibitants
Patent
1980-11-14
1983-07-19
Dees, Carl F.
Compositions
Preservative agents
Anti-oxidants or chemical change inhibitants
B01J 2928
Patent
active
043943004
ABSTRACT:
A modified zeolite composition useful 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 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 prior to use by treatment with compounds of germanium, tin and/or lead, and optionally phosphorus, the deposit a minor proportion of such elements on the zeolite.
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Chu Chin C.
Kaeding Warren W.
Allen G. W.
Cier R. J.
Dees Carl F.
Huggett C. A.
Mobil Oil Corporation
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