Catalyst – solid sorbent – or support therefor: product or process – Catalyst or precursor therefor – Inorganic carbon containing
Reexamination Certificate
2007-10-11
2009-11-10
Wood, Elizabeth D (Department: 1793)
Catalyst, solid sorbent, or support therefor: product or process
Catalyst or precursor therefor
Inorganic carbon containing
C502S173000, C502S174000, C502S180000, C502S182000, C502S216000, C502S219000, C502S220000, C502S221000
Reexamination Certificate
active
07615509
ABSTRACT:
Supported metallic catalysts comprised of a Group VIII metal, a Group VIB metal, and an organic additive, and methods for synthesizing supported metallic catalysts are provided. The catalysts are prepared by a method wherein precursors of both metals are mixed and interacted with at least one organic additive, dried, calcined, and sulfided. The catalysts are used for hydroprocessing, particularly hydrodesulfurization and hydrodenitrogenation, of hydrocarbon feedstocks.
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Bai Chuansheng
El-Malki EL-Mekki
Elks Jeff
Giaquinta Daniel M.
Hagemeyer Alfred
ExxonMobil Research and Engineering Company
Wood Elizabeth D
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