Mineral oils: processes and products – Chemical conversion of hydrocarbons – Plural serial stages of chemical conversion
Reexamination Certificate
2005-03-22
2005-03-22
Griffin, Walter D. (Department: 1764)
Mineral oils: processes and products
Chemical conversion of hydrocarbons
Plural serial stages of chemical conversion
C208S070000, C208S074000, C208S075000, C208S076000, C208S077000
Reexamination Certificate
active
06869521
ABSTRACT:
A process and apparatus are disclosed contacting hydrocarbon feed with catalyst in a reactor vessel under conditions more vigorous than bubbling bed conditions and preferably fast fluidized flow conditions. The vigorous conditions assure thorough mixing of catalyst and feed to suppress formation of dry gas and the promotion of hydrogen transfer reactions.
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Article “A Modified FCC Process MIP for Maximizing Iso-Paraffins in Cracked Naphtha” by Xu Youhao et al.,Petroleum Processing and Petrochemicals.
U.S. Appl. No. 09/944,511, filed Aug. 31, 2001, Lomas.
Griffin Walter D.
Paschall James C.
Tolomej John G.
UOP LLC
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