Inventor
FREIRE PAULO SERGIO
BR8 patents
⚠️ This page may combine multiple inventors who share the name “FREIRE PAULO SERGIO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PETROLEO BRASILEIRO SA
6 patentsUS7531142B2May 12, 2009
Multifunctional entry device for a downward flow tube reactor
PETROLEO BRASILEIRO SA38 citations89
US7087154B2Aug 8, 2006
Apparatus and process for downflow fluid catalytic cracking
PETROLEO BRASILEIRO SA24 citations86
US7332133B2Feb 19, 2008
Cyclone system for disengaging solid and gaseous particles in FCC systems with reduced coke formation in disengager vessels
PETROLEO BRASILEIRO SA0 citations49
US7867321B2Jan 11, 2011
Process for disengaging solid and gaseous particles in FCC processes with reduced coke formation in disengager vessels
PETROLEO BRASILEIRO SA0 citations39
US7967897B2Jun 28, 2011
System and process for the separation of suspensions of spent catalysts and hydrocarbons formed in a fluid catalytic cracking unit with multiple ascending flow reaction tubes
PETROLEO BRASILEIRO SA0 citations35
US7638102B2Dec 29, 2009
Fluid flow inversion chamber for feed spray nozzles in FCC unit risers
PETROLEO BRASILEIRO SA0 citations28