Mineral oils: processes and products – Chemical conversion of hydrocarbons – Solids contacting and mixing
Reexamination Certificate
2008-09-25
2011-11-22
Griffin, Walter (Department: 1774)
Mineral oils: processes and products
Chemical conversion of hydrocarbons
Solids contacting and mixing
C208S150000, C422S144000, C422S145000, C422S147000, C502S034000, C502S055000
Reexamination Certificate
active
08062507
ABSTRACT:
A process for stripping gases from catalyst material in which catalyst travels down baffles at a first acute angle and then at a second acute angle on the same baffle. Traveling down the baffle at the second angle assures the catalyst will cross a downcomer channel and land on an adjacent baffle.
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U.S. Appl. No. 12/237,729, filed Sep. 25, 2008, Jason P. Lambin et al.
Couch Keith A.
Lambin Jason P.
Palmas Paolo
Spinelli Giovanni
Griffin Walter
Paschall James C.
Seifu Lessanework
UOP LLC
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