Compositions – Preservative agents – Anti-oxidants or chemical change inhibitants
Patent
1980-04-14
1982-01-26
Dees, Carl F.
Compositions
Preservative agents
Anti-oxidants or chemical change inhibitants
B01J 2932
Patent
active
043127908
ABSTRACT:
A method of preparing aromatics processing catalysts which comprises incorporating a noble metal with a member or members of a useful class of zeolites, with such incorporation occurring after zeolite crystallization, but prior to final catalyst particle formation, i.e. extrusion into particles. Said useful class of zeolites is characterized by a silica to alumina mole ratio of at least 12 and a Constraint Index in the approximate range of 1 to 12.
REFERENCES:
patent: 3702886 (1972-11-01), Argauer et al.
patent: 3766056 (1973-10-01), Young
Butter Stephen A.
Chester Arthur W.
Dees Carl F.
Gilman Michael G.
Huggett Charles A.
Mobil Oil Corporation
Santini Dennis P.
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