Chemistry of hydrocarbon compounds – Aromatic compound synthesis – Having alkenyl moiety – e.g. – styrene – etc.
Patent
1989-11-09
1991-04-30
Pal, Asok
Chemistry of hydrocarbon compounds
Aromatic compound synthesis
Having alkenyl moiety, e.g., styrene, etc.
502326, 502327, 502328, 502330, 502349, 502352, 502514, 502523, 502527, 585660, C07C 200, C07C 400, C07C 500
Patent
active
050120271
ABSTRACT:
A novel catalytic composite and a process for its use is disclosed. The catalyst composite comprises a first component selected from Group IA and Group IIA elements of the Periodic Table of the Elements, a second component selected from iridium, and osmium, or mixtures thereof, a third component selected from the elements of Group IVA of the Periodic Table of the Elements, platinum, and a support having a nominal dimension (d) of from 50 to 10,000 microns. The catalytic composite is characterized in that both the second component and platinum are surface-impregnated upon the support, with the concentration gradient of the second component being steeper than that of platinum. The second component is eggshell surface-impregnated.
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Abrevaya Hayim
Imai Tamotsu
McBride Thomas K.
Pal Asok
Spears Jr. John F.
UOP
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