1
Robert F Millar, Paul J Persico, Robert H Jensen: Moving-bed radial flow solids-fluid contacting apparatus. UOP, James R Hoatson Jr, John F Spears Jr, William H Page II, August 29, 1978: US04110081 (20 worldwide citation)

An improved radial flow moving bed reactor, or other type of fluid-solid contacting vessel, in which stagnant catalyst volumes are reduced. The improvement results from the placement of a plurality of catalyst collection scoops or a single discoid cover plate just above the catalyst withdrawal condu ...


2
Paul J Persico, Robert F Millar, Robert H Jensen: Catalytic reaction chamber for gravity-flowing catalyst particles. UOP, James R Hoatson Jr, Robert W Erickson, William H Page II, September 11, 1979: US04167553 (12 worldwide citation)

A catalytic reaction chamber for contacting a reactant stream with catalyst particles which are disposed as an annular-form bed and are downwardly movable therethrough via gravity-flow. The annular catalyst bed is spaced between a catalyst-retaining screen and a scalloped, perforated centerpipe. A p ...


3
Paul J Persico, Robert F Millar, Robert H Jensen: Catalytic reaction chamber for gravity-flowing catalyst particles. UOP, James R Hoatson Jr, Robert W Erickson, William H Page II, February 27, 1979: US04141690 (8 worldwide citation)

A catalytic reaction chamber for contacting a reactant stream with catalyst particles which are disposed as an annular-form bed and are downwardly movable therethrough via gravity-flow. The annular bed is spaced between a catalyst-retaining screen and a perforated centerpipe. A plurality of vertical ...