Catalyst – solid sorbent – or support therefor: product or process – Catalyst or precursor therefor – Organic compound containing
Reexamination Certificate
2009-04-29
2011-12-20
Wood, Elizabeth (Department: 1732)
Catalyst, solid sorbent, or support therefor: product or process
Catalyst or precursor therefor
Organic compound containing
C502S216000, C502S219000, C502S220000, C502S221000, C502S170000, C502S152000, C502S208000, C502S209000, C502S211000, C502S213000, C502S223000
Reexamination Certificate
active
08080492
ABSTRACT:
A catalyst precursor for preparing a bulk multi-metallic catalyst upon sulfidation is provided. The precursor has an essentially monomodal pore volume distribution with at least 90% of the pores being macropores, and a total pore volume of at least 0.08 g/cc. The bulk multi-metallic prepared from the precursor is particularly suitable for hydrotreating heavy oil feeds having a boiling point in the range of 343° C. (650° F.)—to 454° C. (850° F.), an average molecular weight Mn ranging from 300 to 400, and an average molecular diameter ranging from 0.9 nm to 1.7 nm.
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Dykstra Dennis
Fong Darren
Kuperman Alexander E.
Maesen Theodorus
Uckung Soy
Chevron U.S.A. Inc.
Wood Elizabeth
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